Document and Entity Information - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Jan. 31, 2016 |
Jun. 30, 2015 |
|
| Document and Entity Information [Abstract] | |||
| Document Type | 10-K | ||
| Amendment Flag | false | ||
| Document Period End Date | Dec. 31, 2015 | ||
| Document Fiscal Year Focus | 2015 | ||
| Document Fiscal Period Focus | FY | ||
| Trading Symbol | SIVB | ||
| Entity Registrant Name | SVB FINANCIAL GROUP | ||
| Entity Central Index Key | 0000719739 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Current Reporting Status | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Filer Category | Large Accelerated Filer | ||
| Entity Common Stock, Shares Outstanding | 51,613,882 | ||
| Entity Public Float | $ 7,409,425,988 |
Consolidated Balance Sheets - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|||||
|---|---|---|---|---|---|---|---|
| Assets | |||||||
| Cash and cash equivalents | $ 1,503,257 | $ 1,796,062 | |||||
| Available-for-sale securities, at fair value (cost of $16,375,941 and $13,497,945, respectively) | 16,380,748 | 13,540,655 | |||||
| Held-to-maturity securities, at cost (fair value of $8,758,622 and $7,415,656, respectively) | 8,790,963 | 7,421,042 | |||||
| Non-marketable and other securities | [1],[2] | 674,946 | 1,728,140 | ||||
| Total investment securities | 25,846,657 | 22,689,837 | |||||
| Loans, net of unearned income | 16,742,070 | 14,384,276 | |||||
| Allowance for loan losses | (217,613) | (165,359) | |||||
| Net loans | 16,524,457 | 14,218,917 | |||||
| Premises and equipment, net of accumulated depreciation and amortization | 102,625 | 79,845 | |||||
| Accrued interest receivable and other assets | [2] | 709,707 | 553,208 | ||||
| Total assets | 44,686,703 | 39,337,869 | |||||
| Liabilities: | |||||||
| Noninterest-bearing demand deposits | 30,867,497 | 24,583,682 | |||||
| Interest-bearing deposits | 8,275,279 | 9,759,817 | |||||
| Total deposits | 39,142,776 | 34,343,499 | |||||
| Short-term borrowings | 774,900 | 7,781 | |||||
| Other liabilities | 639,094 | 483,493 | |||||
| Long-term debt | 796,702 | 451,362 | |||||
| Total liabilities | $ 41,353,472 | $ 35,286,135 | |||||
| Commitments and contingencies (Note 19 and Note 25) | |||||||
| SVBFG stockholders’ equity: | |||||||
| Preferred stock, $0.001 par value, 20,000,000 shares authorized; no shares issued and outstanding | $ 0 | $ 0 | |||||
| Common stock, $0.001 par value, 150,000,000 shares authorized; 51,610,226 shares and 50,924,925 shares outstanding, respectively | 52 | 51 | |||||
| Additional paid-in capital | 1,189,032 | 1,120,350 | |||||
| Retained earnings | [2] | 1,993,646 | 1,649,967 | ||||
| Accumulated other comprehensive income | 15,404 | 42,704 | |||||
| Total SVBFG stockholders’ equity | 3,198,134 | 2,813,072 | |||||
| Noncontrolling interests | [1] | 135,097 | 1,238,662 | ||||
| Total equity | 3,333,231 | 4,051,734 | |||||
| Total liabilities and total equity | $ 44,686,703 | $ 39,337,869 | |||||
| |||||||
Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Available-for-sale Securities, Amortized Cost | $ 16,375,941 | $ 13,497,945 |
| Held-to-maturity Securities, Fair Value | $ 8,758,622 | $ 7,415,656 |
| Preferred stock, par value | $ 0.001 | $ 0.001 |
| Preferred stock, shares authorized | 20,000,000 | 20,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Common stock, par value | $ 0.001 | $ 0.001 |
| Common stock, shares authorized | 150,000,000 | 150,000,000 |
| Common stock, shares outstanding | 51,610,226 | 50,924,925 |
Consolidated Statements of Income - USD ($) $ in Thousands |
12 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|||||||||||||||||
| Interest income: | |||||||||||||||||||
| Loans | $ 693,147 | $ 610,945 | $ 542,204 | ||||||||||||||||
| Investment securities: | |||||||||||||||||||
| Taxable | 344,646 | 271,371 | 180,162 | ||||||||||||||||
| Non-taxable | 2,905 | 3,136 | 3,201 | ||||||||||||||||
| Federal funds sold, securities purchased under agreements to resell and other short-term investment securities | 6,067 | 6,464 | 4,054 | ||||||||||||||||
| Total interest income | 1,046,765 | 891,916 | 729,621 | ||||||||||||||||
| Interest expense: | |||||||||||||||||||
| Deposits | 5,447 | 12,114 | 9,128 | ||||||||||||||||
| Borrowings | 34,893 | 23,207 | 23,149 | ||||||||||||||||
| Total interest expense | 40,340 | 35,321 | 32,277 | ||||||||||||||||
| Net interest income | 1,006,425 | 856,595 | 697,344 | ||||||||||||||||
| Provision for loan losses | 97,629 | 59,486 | 63,693 | ||||||||||||||||
| Net interest income after provision for loan losses | 908,796 | 797,109 | 633,651 | ||||||||||||||||
| Noninterest income: | |||||||||||||||||||
| Reclassification adjustment for (gains) losses included in net income | 89,445 | [1] | 267,023 | 419,408 | |||||||||||||||
| Gains on derivative instruments, net | 83,805 | 96,845 | 42,184 | ||||||||||||||||
| Foreign exchange fees | 87,007 | 71,659 | 57,411 | ||||||||||||||||
| Credit card fees | 56,657 | 41,792 | 32,461 | ||||||||||||||||
| Deposit service charges | 46,683 | 39,937 | 35,948 | ||||||||||||||||
| Lending related fees | 32,536 | 25,711 | 20,980 | ||||||||||||||||
| Letters of credit and standby letters of credit fees | 20,889 | 15,649 | 14,716 | ||||||||||||||||
| Client investment fees | 21,610 | 14,883 | 13,959 | ||||||||||||||||
| Other | 34,162 | (1,260) | 36,139 | ||||||||||||||||
| Total noninterest income | 472,794 | 572,239 | 673,206 | ||||||||||||||||
| Noninterest expense: | |||||||||||||||||||
| Compensation and benefits | 473,841 | 409,486 | 366,801 | ||||||||||||||||
| Professional services | 82,839 | 94,377 | 76,178 | ||||||||||||||||
| Premises and equipment | 51,927 | 49,716 | 45,935 | ||||||||||||||||
| Business development and travel | 39,524 | 40,057 | 33,334 | ||||||||||||||||
| Net occupancy | 34,674 | 30,004 | 24,937 | ||||||||||||||||
| FDIC assessments | 25,455 | 19,206 | 12,784 | ||||||||||||||||
| Correspondent bank fees | 13,415 | 13,118 | 12,142 | ||||||||||||||||
| (Reduction of) Provision for unfunded credit commitments | (1,946) | 6,511 | 7,642 | ||||||||||||||||
| Other | [2] | 58,287 | 44,705 | 35,491 | |||||||||||||||
| Total noninterest expense | [2] | 778,016 | 707,180 | 615,244 | |||||||||||||||
| Income before income tax expense | [2] | 603,574 | [1] | 662,168 | 691,613 | ||||||||||||||
| Income tax expense | [2] | 228,754 | 183,508 | 146,830 | |||||||||||||||
| Net income before noncontrolling interests | [2],[3],[4] | 374,820 | [1] | 478,660 | [5],[6] | 544,783 | [5],[6] | ||||||||||||
| Net income attributable to noncontrolling interests | [3] | (30,916) | [1] | (214,790) | (330,266) | ||||||||||||||
| Net income available to common stockholders | [2] | $ 343,904 | [1] | $ 263,870 | $ 214,517 | ||||||||||||||
| Earnings per common share—basic, in dollars per share | [2] | $ 6.70 | $ 5.39 | $ 4.73 | |||||||||||||||
| Earnings per common share—diluted, in dollars per share | [2] | $ 6.62 | $ 5.31 | $ 4.67 | |||||||||||||||
| |||||||||||||||||||
Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands |
12 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|||||||||||||||||
| Statement of Comprehensive Income [Abstract] | |||||||||||||||||||
| Net income before noncontrolling interests | [2],[3],[4] | $ 374,820 | [1] | $ 478,660 | [5],[6] | $ 544,783 | [5],[6] | ||||||||||||
| Change in cumulative translation gains (losses): | |||||||||||||||||||
| Foreign currency translation gains (losses) | 2,570 | 10,982 | (5,483) | ||||||||||||||||
| Related tax (expense) benefit | (957) | (4,425) | 2,179 | ||||||||||||||||
| Change in unrealized (losses) gains on available-for-sale securities: | |||||||||||||||||||
| Unrealized holding (losses) gains | (36,702) | 92,815 | (259,193) | ||||||||||||||||
| Related tax benefit (expense) | 14,730 | (37,383) | 105,500 | ||||||||||||||||
| Reclassification adjustment for (gains) losses included in net income | (1,201) | 18,598 | (538) | ||||||||||||||||
| Related tax expense (benefit) | 481 | (7,510) | 218 | ||||||||||||||||
| Cumulative-effect adjustment for unrealized gains on securities transferred from available-for-sale to held-to-maturity | 0 | 37,700 | 0 | ||||||||||||||||
| Related tax expense | 0 | (15,178) | 0 | ||||||||||||||||
| Amortization of unrealized gains on securities transferred from available-for-sale to held-to-maturity | (10,412) | (6,915) | 0 | ||||||||||||||||
| Related tax benefit | 4,191 | 2,784 | 0 | ||||||||||||||||
| Other comprehensive (loss) income, net of tax | (27,300) | 91,468 | (157,317) | ||||||||||||||||
| Comprehensive income | 347,520 | 570,128 | 387,466 | ||||||||||||||||
| Comprehensive income attributable to noncontrolling interests | [2] | (30,916) | [1] | (214,790) | (330,266) | ||||||||||||||
| Comprehensive income attributable to SVBFG | $ 316,604 | $ 355,338 | $ 57,200 | ||||||||||||||||
| |||||||||||||||||||
Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands |
Total |
Common stock |
Additional Paid-in Capital |
Retained Earnings |
Accumulated Other Comprehensive Income |
Total SVBFG Stockholders’ Equity |
Noncontrolling Interests |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance (in shares) (Previously Reported) at Dec. 31, 2012 | 44,627,182 | ||||||||||||||||||||
| Balance (in shares) at Dec. 31, 2012 | 44,627,182 | ||||||||||||||||||||
| Balance (Previously Reported) at Dec. 31, 2012 | $ 2,605,233 | $ 45 | $ 547,079 | $ 1,174,878 | $ 108,553 | $ 1,830,555 | $ 774,678 | ||||||||||||||
| Balance at Dec. 31, 2012 | $ 45 | 547,079 | 108,553 | 774,678 | |||||||||||||||||
| Balance (Accounting Standards Update 2014-01) at Dec. 31, 2012 | 2,601,934 | 1,171,579 | 1,827,256 | ||||||||||||||||||
| Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares) | 1,098,290 | ||||||||||||||||||||
| Common stock issued under employee benefit plans, net of restricted stock cancellations | 41,404 | $ 1 | 41,403 | 41,404 | |||||||||||||||||
| Common stock issued upon settlement of 3.875% Convertible Notes, net of shares received from associated convertible note hedge (in shares) | 74,946 | ||||||||||||||||||||
| Common stock issued upon settlement of 3.875% Convertible Notes, net of shares received from associated convertible note hedge | 5,166 | 5,166 | 5,166 | ||||||||||||||||||
| Income tax benefit from stock options exercised, vesting of restricted stock and other | 5,658 | 5,658 | 5,658 | ||||||||||||||||||
| Net income | [5] | 544,783 | [1],[2],[3],[4] | 214,517 | 214,517 | 330,266 | |||||||||||||||
| Capital calls and distributions, net | 8,114 | 8,114 | |||||||||||||||||||
| Net change in unrealized gains on available-for-sale securities, net of tax | (154,013) | (154,013) | (154,013) | ||||||||||||||||||
| Foreign currency translation adjustments, net of tax | (3,304) | (3,304) | (3,304) | ||||||||||||||||||
| Share-based compensation expense | 24,947 | 24,947 | 24,947 | ||||||||||||||||||
| Other, net | 4 | 3 | 1 | 4 | |||||||||||||||||
| Balance (in shares) at Dec. 31, 2013 | 45,800,418 | ||||||||||||||||||||
| Balance at Dec. 31, 2013 | 3,074,693 | $ 46 | 624,256 | 1,386,097 | (48,764) | 1,961,635 | 1,113,058 | ||||||||||||||
| Cumulative effect of adopting ASU 2014-01 | Accounting Standards Update 2014-01 | [5] | (3,299) | (3,299) | (3,299) | |||||||||||||||||
| Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares) | 608,745 | ||||||||||||||||||||
| Common stock issued under employee benefit plans, net of restricted stock cancellations | 18,256 | $ 0 | 18,256 | 18,256 | |||||||||||||||||
| Common stock issued under ESOP (in shares) | 30,762 | ||||||||||||||||||||
| Common stock issued under ESOP | 3,890 | 3,890 | 3,890 | ||||||||||||||||||
| Income tax benefit from stock options exercised, vesting of restricted stock and other | 9,595 | 9,595 | 9,595 | ||||||||||||||||||
| Net income | [5] | 478,660 | [1],[2],[3],[4] | 263,870 | 263,870 | 214,790 | |||||||||||||||
| Capital calls and distributions, net | (89,186) | (89,186) | |||||||||||||||||||
| Net change in unrealized gains on available-for-sale securities, net of tax | 66,520 | 66,520 | 66,520 | ||||||||||||||||||
| Held-to-maturity Securities, Transferred Securities, Unrealized Gains, Net Of Tax | 22,522 | 22,522 | 22,522 | ||||||||||||||||||
| Foreign currency translation adjustments, net of tax | 6,557 | 6,557 | 6,557 | ||||||||||||||||||
| Share-based compensation expense | 29,491 | 29,491 | 29,491 | ||||||||||||||||||
| Other, net | 1 | 1 | 0 | 1 | |||||||||||||||||
| Amortization of unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of tax | (4,131) | (4,131) | (4,131) | ||||||||||||||||||
| Common stock issued in public offering (in shares) | 4,485,000 | ||||||||||||||||||||
| Common stock issued in public offering, shares | 434,866 | $ 5 | 434,861 | 434,866 | |||||||||||||||||
| Balance (in shares) at Dec. 31, 2014 | 50,924,925 | ||||||||||||||||||||
| Balance at Dec. 31, 2014 | 4,051,734 | $ 51 | 1,120,350 | 1,649,967 | 42,704 | 2,813,072 | 1,238,662 | ||||||||||||||
| Common stock issued under employee benefit plans, net of restricted stock cancellations (in shares) | 657,876 | ||||||||||||||||||||
| Common stock issued under employee benefit plans, net of restricted stock cancellations | 18,898 | $ 1 | 18,897 | 18,898 | |||||||||||||||||
| Common stock issued under ESOP (in shares) | 27,425 | ||||||||||||||||||||
| Common stock issued under ESOP | 3,512 | 3,512 | 3,512 | ||||||||||||||||||
| Income tax benefit from stock options exercised, vesting of restricted stock and other | 16,602 | 16,602 | 16,602 | ||||||||||||||||||
| Deconsolidation of noncontrolling interest | [5] | (1,069,437) | (1,069,437) | ||||||||||||||||||
| Net income | 374,820 | [2],[3],[4],[6] | 343,904 | 343,904 | 30,916 | ||||||||||||||||
| Capital calls and distributions, net | (65,044) | (65,044) | |||||||||||||||||||
| Net change in unrealized gains on available-for-sale securities, net of tax | (22,692) | (22,692) | (22,692) | ||||||||||||||||||
| Foreign currency translation adjustments, net of tax | 1,613 | 1,613 | 1,613 | ||||||||||||||||||
| Share-based compensation expense | 29,671 | 29,671 | 29,671 | ||||||||||||||||||
| Other, net | (225) | (225) | (225) | ||||||||||||||||||
| Amortization of unrealized gains on securities transferred from available-for-sale to held-to-maturity, net of tax | (6,221) | (6,221) | (6,221) | ||||||||||||||||||
| Balance (in shares) at Dec. 31, 2015 | 51,610,226 | ||||||||||||||||||||
| Balance at Dec. 31, 2015 | $ 3,333,231 | $ 52 | $ 1,189,032 | 1,993,646 | $ 15,404 | $ 3,198,134 | $ 135,097 | ||||||||||||||
| Cumulative effect of adopting ASU 2014-01 | Accounting Standards Update 2014-01 | [5] | $ 4,700 | |||||||||||||||||||
| |||||||||||||||||||||
Consolidated Statements of Cash Flows $ in Thousands |
12 Months Ended | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
||||||||||||||||||||
| Cash flows from operating activities: | ||||||||||||||||||||||
| Net income before noncontrolling interests | $ 374,820 | [1],[2],[3],[4] | $ 478,660 | [2],[3],[4],[5],[6] | $ 544,783 | [2],[3],[4],[5],[6] | ||||||||||||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||||||||||||||
| Provision for loan losses | 97,629 | 59,486 | 63,693 | |||||||||||||||||||
| (Reduction of) Provision for unfunded credit commitments | (1,946) | 6,511 | 7,642 | |||||||||||||||||||
| Changes in fair values of derivatives, net | (53,470) | (22,139) | (31,508) | |||||||||||||||||||
| Gains on investment securities, net | (89,445) | (267,023) | (419,408) | |||||||||||||||||||
| Depreciation and amortization | 40,008 | 39,345 | [5] | 36,260 | [5] | |||||||||||||||||
| Impairment loss on SVBIF Sale Transaction | 0 | 13,934 | 0 | |||||||||||||||||||
| Impairment (gain) loss on SVBIF Sale Transaction | (1,287) | 13,934 | 0 | |||||||||||||||||||
| Amortization of premiums and discounts on available-for-sale securities, net | 18,271 | 25,311 | 29,774 | |||||||||||||||||||
| Amortization of share-based compensation | 32,239 | 29,545 | 25,413 | |||||||||||||||||||
| Amortization of deferred loan fees | (89,384) | (82,724) | (73,008) | |||||||||||||||||||
| Deferred income tax (benefit) expense | (9,133) | (43,110) | [5] | 15,050 | [5] | |||||||||||||||||
| Changes in other assets and liabilities: | ||||||||||||||||||||||
| Accrued interest receivable and payable, net | (8,397) | (26,642) | (3,241) | |||||||||||||||||||
| Accounts receivable and payable, net | (24,029) | (302) | (21) | |||||||||||||||||||
| Income tax payable and receivable, net | (9,857) | (4,804) | (24,811) | |||||||||||||||||||
| Accrued compensation | 30,293 | 3,707 | 22,925 | |||||||||||||||||||
| Foreign exchange spot contracts, net | (31,159) | 25,725 | 2,086 | |||||||||||||||||||
| Other, net | 64,660 | 20,037 | (23,851) | |||||||||||||||||||
| Net cash provided by operating activities | 339,813 | 255,517 | 171,778 | |||||||||||||||||||
| Cash flows from investing activities: | ||||||||||||||||||||||
| Purchases of available-for-sale securities | (4,586,680) | (8,462,071) | (3,336,476) | |||||||||||||||||||
| Proceeds from sales of available-for-sale securities | 8,054 | 30,398 | 14,753 | |||||||||||||||||||
| Proceeds from maturities and pay downs of available-for-sale securities | 1,704,918 | 1,569,173 | 2,428,023 | |||||||||||||||||||
| Purchases of held-to-maturity securities | (2,888,805) | (2,612,848) | 0 | |||||||||||||||||||
| Proceeds from maturities and paydowns of held-to-maturity securities | 1,495,362 | 598,454 | 0 | |||||||||||||||||||
| Purchases of nonmarketable securities (cost and equity method accounting) | (32,427) | (60,202) | (24,847) | |||||||||||||||||||
| Proceeds from sales of nonmarketable securities (cost and equity method accounting) | 89,826 | 59,442 | 58,828 | |||||||||||||||||||
| Purchases of non-marketable and other securities (fair value accounting) | (7,028) | (275,640) | (149,707) | |||||||||||||||||||
| Proceeds from sales and distributions of non-marketable and other securities (fair value accounting) | 48,627 | 436,170 | 132,931 | |||||||||||||||||||
| Net increase in loans | (2,335,153) | (3,480,531) | (1,943,650) | |||||||||||||||||||
| Proceeds from recoveries of charged-off loans | 5,593 | 6,155 | 11,161 | |||||||||||||||||||
| Purchases of premises and equipment | (53,918) | (42,431) | (30,004) | |||||||||||||||||||
| Effect of deconsolidation due to adoption of ASU 2015-02 | 15,995 | 0 | 0 | |||||||||||||||||||
| Net proceeds from SVBIF sale transaction | 39,284 | [7] | 0 | 0 | ||||||||||||||||||
| Net cash used for investing activities | (6,496,352) | (12,233,931) | (2,838,988) | |||||||||||||||||||
| Cash flows from financing activities: | ||||||||||||||||||||||
| Net increase in deposits | 4,719,738 | 11,870,520 | 3,296,527 | |||||||||||||||||||
| Increase (decrease) in short-term borrowings | 767,119 | 2,701 | (161,030) | |||||||||||||||||||
| (Distributions to noncontrolling interests), net of contributions from noncontrolling interests | (23,518) | (89,186) | 8,114 | |||||||||||||||||||
| Tax benefit from stock exercises | 16,602 | 9,602 | 6,826 | |||||||||||||||||||
| Proceeds from issuance of common stock, ESPP, and ESOP | 22,410 | 22,146 | 46,569 | |||||||||||||||||||
| Proceeds from issuance of 3.50% Senior Notes | 346,431 | 0 | 0 | |||||||||||||||||||
| Net proceeds from public equity offering | 0 | 434,866 | 0 | |||||||||||||||||||
| Net cash provided by financing activities | 5,848,782 | 12,250,649 | 3,197,006 | |||||||||||||||||||
| Net increase (decrease) in cash and cash equivalents | (307,757) | 272,235 | 529,796 | |||||||||||||||||||
| Cash and cash equivalents at beginning of period | 1,796,062 | 1,538,779 | [7] | 1,008,983 | ||||||||||||||||||
| Cash and cash equivalents at end of period | 1,503,257 | 1,796,062 | 1,538,779 | [7] | ||||||||||||||||||
| Cash and cash equivalents, at end of period, including discontinued operations | 1,503,257 | 1,811,014 | [7] | |||||||||||||||||||
| Cash paid during the period for: | ||||||||||||||||||||||
| Interest | 35,280 | 35,181 | 31,913 | |||||||||||||||||||
| Income taxes | 220,484 | 208,558 | 142,231 | |||||||||||||||||||
| Noncash items during the period: | ||||||||||||||||||||||
| Changes in unrealized gains and losses on available-for-sale securities, net of tax | (22,692) | 66,520 | (154,013) | |||||||||||||||||||
| Distributions Of Stock From Investments | 64,503 | [8] | 20,621 | 1,116 | ||||||||||||||||||
| Transfers from available-for-sale securities to held-to-maturity | 0 | $ 5,418,572 | $ 0 | |||||||||||||||||||
| Distributions of stock from investments to NCI | $ 41,500 | |||||||||||||||||||||
| ||||||||||||||||||||||
Consolidated Statements of Cash Flows (Parenthetical) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2015
USD ($)
| ||||
| Long Lived Assets Held-for-sale [Line Items] | ||||
| Cash and cash equivalents | $ 1,503,257 | |||
| Net proceeds from SVBIF sale transaction | 39,284 | [1] | ||
| Sales price of assets sold | 48,600 | |||
| Cash and cash equivalents included in sale of assets | 9,300 | |||
| Other Assets | ||||
| Long Lived Assets Held-for-sale [Line Items] | ||||
| Cash and cash equivalents | $ 15,000 | |||
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Nature of Business |
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| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Nature of Business | Nature of Business SVB Financial Group is a diversified financial services company, as well as a bank holding company and a financial holding company. SVB Financial was incorporated in the state of Delaware in March 1999. Through our various subsidiaries and divisions, we offer a variety of banking and financial products and services to support our clients of all sizes and stages throughout their life cycles. In these notes to our consolidated financial statements, when we refer to “SVB Financial Group,” “SVBFG”, the “Company,” “we,” “our,” “us” or use similar words, we mean SVB Financial Group and all of its subsidiaries collectively, including Silicon Valley Bank (the “Bank”), unless the context requires otherwise. When we refer to “SVB Financial” or the “Parent” we are referring only to the parent company, SVB Financial Group, unless the context requires otherwise. We offer commercial banking products and services through our principal subsidiary, the Bank, which is a California-chartered bank founded in 1983 and a member of the Federal Reserve System. Through its subsidiaries, the Bank also offers investment advisory, asset management, private wealth management and brokerage services. We also offer non-banking products and services, such as funds management, private equity/venture capital investment and business valuation services, through our other subsidiaries and divisions. We primarily focus on serving corporate clients in the following niches: technology, life science/healthcare, private equity/venture capital and premium wine. Our corporate clients range widely in terms of size and stage of maturity. Additionally, we focus on cultivating strong relationships with firms within the venture capital and private equity community worldwide, many of which are also our clients and may invest in our corporate clients. Headquartered in Santa Clara, California, we operate in centers of innovation in the United States and around the world. For reporting purposes, SVB Financial Group has three operating segments for which we report financial information in this report: Global Commercial Bank, SVB Private Bank, and SVB Capital. Financial information, results of operations and a description of the services provided by our operating segments are set forth in Note 22-“Segment Reporting” in this report. |
Summary of Significant Accounting Policies |
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| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary of Significant Accounting Policies | Summary of Significant Accounting Policies Use of Estimates and Assumptions The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Estimates may change as new information is obtained. Significant items that are subject to such estimates include measurements of fair value, the valuation of non-marketable and other securities, the valuation of equity warrant assets, the adequacy of the allowance for loan losses and reserve for unfunded credit commitments and the recognition and measurement of income tax assets and liabilities. The following discussion provides additional background on our significant accounting policies. Principles of Consolidation and Presentation Prior to April 1, 2015, the Company’s consolidated financial statements included the accounts of SVB Financial Group and entities in which we had a controlling interest. The determination of whether we had a controlling interest was based on consolidation principles prescribed by ASC Topic 810, Consolidation, and whether the controlling interest in an entity was a voting interest entity or a variable interest entity (“VIE”). However, during the three months ended June 30, 2015, we early adopted the provisions of ASU 2015-02, Amendments to the Consolidation Analysis (ASU 2015-02)(see "Adoption of New Accounting Standards" below), which simplifies consolidation accounting by reducing the number of consolidation models and changing various aspects of current GAAP, including certain consolidation criteria for variable interest entities. The new guidance eliminates the presumption that a general partner of a limited partnership arrangement should consolidate a limited partnership. The amendments to ASC Topic 810 in ASU 2015-02 modify the evaluation of whether limited partnerships and similar entities are VIEs or voting entities. With these changes, we determined that the majority of our investments in limited partnership arrangements are VIEs under the new guidance while these entities were typically voting interest entities under the prior guidance. ASU 2015-02 provided a single model for evaluating VIE entities for consolidation. VIEs are entities where investors lack sufficient equity at risk for the entity to finance its activities without additional subordinated financial support or equity investors, as a group, lack one of the following characteristics: (a) the power to direct the activities that most significantly impact the entity’s economic performance, (b) the obligation to absorb the expected losses of the entity, or (c) the right to receive the expected returns of the entity. We assess VIEs to determine if we are the primary beneficiary of a VIE. A primary beneficiary is defined as a variable interest holder that has a controlling financial interest. A controlling financial interest requires both: (a) the power to direct the activities that most significantly impact the VIEs economic performance, and (b) the obligation to absorb losses or receive benefits of a VIE that could potentially be significant to a VIE. Under this analysis, we also evaluate kick-out rights and other participating rights, which could provide us a controlling financial interest. The primary beneficiary of a VIE is required to consolidate the VIE. ASU 2015-02 also changed how we evaluate fees paid to managers of our limited partnership investments. Under the new guidance, we exclude those fee arrangements that are not deemed to be variable interests from the analysis of our interests in our investments in VIEs and the determination of a primary beneficiary, if any. Fee arrangements based on terms that are customary and commensurate with the services provided are deemed not to be variable interests and are, therefore, excluded. Our consolidated financial statements include the accounts of SVB Financial Group and consolidated entities. We consolidate voting entities in which we have control through voting interests. We determine whether we have a controlling financial interest in a VIE by determining if we have the power to direct the activities of the VIE that most significantly impact the entity’s economic performance and whether we have significant variable interests. Generally, we have significant variable interests if our commitments to a limited partnership investment represent a significant amount of the total commitments to the entity. We also evaluate the impact of related parties on our determination of variable interests in our consolidation conclusions. We consolidate VIEs in which we are the primary beneficiary based on a controlling financial interest. If we are not the primary beneficiary of a VIE, we record our pro-rata interests or our cost basis in the VIE, as appropriate, based on other accounting guidance within GAAP. All significant intercompany accounts and transactions with consolidated entities have been eliminated. We have not provided financial or other support during the periods presented to any VIE that we were not previously contractually required to provide. Cash and Cash Equivalents Cash and cash equivalents consist of cash on hand, cash balances due from banks, interest-earning deposits, Federal Reserve deposits, federal funds sold, securities purchased under agreements to resell and other short-term investment securities. For the consolidated statements of cash flows, we consider cash equivalents to be investments that are readily convertible to known amounts of cash, so near to their maturity that they present an insignificant risk of change in fair value due to changes in market interest rates, and purchased in conjunction with our cash management activities. Investment Securities Available-for-Sale Securities Our available-for-sale securities portfolio is a fixed income investment portfolio that is managed to earn an appropriate portfolio yield over the long-term while maintaining sufficient liquidity and credit diversification as well as addressing our asset/liability management objectives. Unrealized gains and losses on available-for-sale securities, net of applicable taxes, are reported in accumulated other comprehensive income, which is a separate component of SVBFG's stockholders' equity, until realized. We analyze available-for-sale securities for other-than-temporary impairment each quarter. Market valuations represent the current fair value of a security at a specified point in time and incorporates the risk of timing of interest due and the return of principal over the contractual life of each security. Gains and losses on securities are realized when there is a sale of the security prior to maturity. A credit downgrade represents an increased level of risk of other-than-temporary impairment, and as a part of our consideration of recording an other-than-temporary impairment we will assess the issuer's ability to service the debt and to repay the principal at contractual maturity. We apply the other-than-temporary impairment standards of ASC 320, Investments-Debt and Equity Securities. For our debt securities, we have the intent and ability to hold these securities until we recover our cost less any credit-related loss. We separate the amount of the other-than-temporary impairment, if any, into the amount that is credit related (credit loss component) and the amount due to all other factors. The credit loss component is recognized in earnings and is the difference between a security's amortized cost basis and the present value of expected future cash flows discounted at the security's effective interest rate. The amount due to all other factors is recognized in other comprehensive income. We consider numerous factors in determining whether a credit loss exists and the period over which the debt security is expected to recover. The following list is not meant to be all inclusive. All of the following factors are considered:
In accordance with ASC 310-20, Receivables-Nonrefundable Fees and Other Costs, we use estimates of future principal prepayments, provided by third-party market-data vendors, in addition to actual principal prepayment experience to calculate the constant effective yield necessary to apply the effective interest method in the amortization of purchase discounts or premiums on mortgage-backed securities and fixed rate collateralized mortgage obligations (“CMO”). The accretion and amortization of discounts and premiums, respectively, are included in interest income over the contractual terms of the underlying securities replicating the effective interest method. Held-to-Maturity Securities Debt securities purchased in which we have the positive intent and ability to hold to its maturity are classified as held-to-maturity securities and are recorded at amortized cost. During the second quarter of 2014, we re-designated certain securities from the classification of "available-for-sale" ("AFS") to "held-to-maturity" ("HTM"). Transfers of investment securities into the held-to-maturity category from the available-for-sale category are made at fair value at the date of transfer. The unrealized gains (losses), net of tax, are retained in other comprehensive income, and the carrying value of the held-to-maturity securities are amortized over the life of the securities in a manner consistent with the amortization of a premium or discount. Our decision to re-designate the securities was based on our ability and intent to hold these securities to maturity. Non-Marketable and Other Securities Non-marketable and other securities include investments in venture capital and private equity funds, debt funds, direct equity investments in companies and low income housing tax credit funds. A majority of these investments are managed through our SVB Capital funds business in funds of funds and direct venture funds. Our accounting for investments in non-marketable and other securities depends on several factors, including the level of ownership, power to control and the legal structure of the subsidiary making the investment. As further described below, we base our accounting for such securities on: (i) fair value accounting, (ii) equity method accounting, (iii) cost method accounting, and (iv) the proportional amortization method which is used only for low income housing tax credit funds. Fair Value Accounting Our managed funds are investment companies under the AICPA Audit and Accounting Guide for Investment Companies (codified in ASC 946) and accordingly, these funds report their investments at estimated fair value, with unrealized gains and losses resulting from changes in fair value reflected as investment gains or losses in our consolidated statements of income. Our non-marketable and other securities recorded pursuant to fair value accounting consist of our investments through the following funds:
A summary of our ownership interests in the investments held under fair value accounting as of December 31, 2015 is presented in the following table:
The general partner interests of these funds are controlled, and in some cases, owned by SVB Financial. The limited partners of these funds do not have substantive participating or kick-out rights. Therefore, these funds are consolidated and any gains or losses resulting from changes in the estimated fair value of the investments are recorded as investment gains or losses in our consolidated net income. Under fair value accounting, investments are carried at their estimated fair value based on financial information obtained as the general partner of the fund or obtained from the funds' respective general partner. For direct private company investments, valuations are based upon consideration of a range of factors including, but not limited to, the price at which the investment was acquired, the term and nature of the investment, local market conditions, values for comparable securities, current and projected operating performance, exit strategies, and financing transactions subsequent to the acquisition of the investment. For direct equity investments in public companies, valuations are based on quoted market prices less a discount if the securities are subject to certain sales restrictions. Sales restriction discounts generally range from 10% to 20% depending on the duration of the sale restrictions which typically range from 3 to 6 months. The valuation of non-marketable securities in shares of private company capital stock and the valuation of other securities in shares of public company stock with certain sales restrictions is subject to significant judgment. The inherent uncertainty in the process of valuing securities for which a ready market does not exist may cause our estimated values of these securities to differ significantly from the values that would have been derived had a ready market for the securities existed, and those differences could be material. For our fund investments, we utilize the net asset value as obtained from the general partners of the fund investments as the funds do not have a readily determinable fair value. The general partners of our fund investments prepare their financial statements using guidance consistent with fair value accounting. We account for differences between our measurement date and the date of the fund investment's net asset value by using the most recent available financial information from the investee general partner, for example September 30th, for our December 31st consolidated financial statements. We adjust the value of our investments for any contributions paid, distributions received from the investment, and known significant fund transactions or market events about which we are aware through information provided by the fund managers or from publicly available transaction data during the reporting period. Gains or losses resulting from changes in the estimated fair value of the investments and from distributions received are recorded as gains on investment securities, net, a component of noninterest income. The portion of any investment gains or losses attributable to the limited partners is reflected as net income attributable to noncontrolling interests and adjusts our net income to reflect its percentage ownership. Equity Method Our equity method non-marketable securities consist of investments in venture capital and private equity funds, privately-held companies, debt funds, and joint ventures. Our equity method non-marketable securities and related accounting policies are described as follows:
We recognize our proportionate share of the results of operations of these equity method investees in our results of operations, based on the most current financial information available from the investee. We review our investments accounted for under the equity method at least quarterly for possible other-than-temporary impairment. Our review typically includes an analysis of facts and circumstances for each investment, the expectations of the investment's future cash flows and capital needs, variability of its business and the company's exit strategy. For our fund investments, we utilize the net asset value per share as provided by the general partners of the fund investments. We account for differences between our measurement date and the date of the fund investment's net asset value by using the most recent available financial information from the investee general partner, for example September 30th, for our December 31st consolidated financial statements. We adjust the value of our investments for any contributions paid, distributions received from the investment, and known significant fund transactions or market events about which we are aware through information provided by the fund managers or from publicly available transaction data during the reporting period. We reduce our investment value when we consider declines in value to be other-than-temporary and recognize the estimated loss as a loss on investment securities, a component of noninterest income. Cost Method Our cost method non-marketable securities and related accounting policies are described as follows:
We record these investments at cost and recognize distributions or returns received from net accumulated earnings of the investee since the date of acquisition as income. Our share of net accumulated earnings of the investee after the date of investment are recognized in consolidated net income only to the extent distributed by the investee. Distributions or returns received in excess of accumulated earnings are considered a return of investment and are recorded as reductions in the cost basis of the investment. We review our investments accounted for under the cost method at least quarterly for possible other-than-temporary impairment. Our review typically includes an analysis of facts and circumstances of each investment, the expectations of the investment's future cash flows and capital needs, variability of its business and the company's exit strategy. To help determine impairment, if any, for our fund investments, we utilize the net asset value per share as provided by the general partners of the fund investments. We reduce our investment value when we consider declines in value to be other-than-temporary and recognize the estimated loss as a loss on investment securities, a component of noninterest income. Gains or losses on cost method investment securities that result from a portfolio company being acquired by a publicly traded company are determined using the fair value of the consideration received when the acquisition occurs. The resulting gains or losses are recognized in consolidated net income in the period of acquisition. Proportional Amortization Method In order to fulfill our responsibilities under the Community Reinvestment Act, we invest as a limited partner in low income housing partnerships that operate qualified affordable housing projects and generate tax benefits, including federal low income housing tax credits, for investors. The partnerships are deemed to be VIEs because they do not have sufficient equity investment at risk and are structured with non-substantive voting rights. We are not the primary beneficiary of the VIEs and do not consolidate them. Our investments in low income housing partnerships are recorded in non-marketable and other securities within our investment securities portfolio on the consolidated balance sheet. As a practical expedient, we amortize the investment in proportion to the allocated tax benefits under the proportional amortization method of accounting and present such benefits net of investment amortization in income tax expense. Loans Loans are reported at the principal amount outstanding, net of unearned loan fees. Unearned loan fees reflect unamortized deferred loan origination and commitment fees net of unamortized deferred loan origination costs. In addition to cash loan fees, we often obtain equity warrant assets that give us an option to purchase a position in a client company's stock in consideration for providing credit facilities. The grant date fair values of these equity warrant assets are deemed to be loan fees and are deferred as unearned income and recognized as an adjustment of loan yield through loan interest income. The net amount of unearned loan fees is amortized into loan interest income over the contractual terms of the underlying loans and commitments using the constant effective yield method, adjusted for actual loan prepayment experience, or the straight-line method, as applicable. Allowance for Loan Losses The allowance for loan losses considers credit risk and is established through a provision for loan losses charged to expense. Our allowance for loan losses is established for estimated loan losses that are probable but not yet realized. Our evaluation process is designed to determine that the allowance for loan losses is appropriate at the balance sheet date. The process of estimating loan losses is inherently imprecise. We maintain a systematic process for the evaluation of individual loans and pools of loans for inherent risk of loan losses. At the time of approval of a new loan, a Credit risk rating is assigned a Credit Risk Rating and industry niche. Credit Risk Ratings are assigned on a scale of 1 to 10, with 1 representing loans with a low risk of nonpayment, 9 representing loans with the highest risk of nonpayment, and 10 representing loans which have been charged-off. The credit risk ratings for each loan are monitored and updated on an ongoing basis. This Credit Risk Rating process includes, but is not limited to, consideration of such factors as payment status, the financial condition and operating performance of the borrower, borrower compliance with loan covenants, underlying collateral values and performance trends, the degree of access to additional capital, the presence of credit enhancements such as third party guarantees (where applicable), the degree to which the borrower is sensitive to external factors, the depth and experience of the borrower's management team, potential loan concentrations, and general economic conditions. Our policies require a committee of senior management to review, at least quarterly, credit relationships with a credit risk rating of 5 through 9 that exceed specific dollar values. Our review process evaluates the appropriateness of the credit risk rating and allocation of the allowance for loan losses, as well as other account management functions. The allowance for loan losses is determined based on a qualitative analysis and a formula allocation for similarly risk-rated loans by portfolio segment and individually for impaired loans. The formula allocation provides the average loan loss experience for each portfolio segment, which considers our quarterly historical loss experience since the year 2000, both by risk-rating category and client industry sector. The resulting loan loss factors for each risk-rating category and client industry sector are ultimately applied to the respective period-end client loan balances for each corresponding risk-rating category by client industry sector to provide an estimation of the allowance for loan losses. The probable loan loss experience for any one year period of time is reasonably expected to be greater or less than the average as determined by the loss factors. As such, management applies a qualitative allocation to the results of the aforementioned model to ascertain the total allowance for loan losses. This qualitative allocation is based on management's assessment of the risks that may lead to a future loan loss experience different from our historical loan loss experience. Based on management's prediction or estimate of changing risks in the lending environment, the qualitative allocation may vary significantly from period to period and includes, but is not limited to, consideration of the following factors:
While the evaluation process of our allowance for loan losses uses historical and other objective information, the classification of loans and the establishment of the allowance for loan losses rely, to a great extent, on the judgment and experience of our management. Reserve for Unfunded Credit Commitments We record a liability for probable and estimable losses associated with our unfunded credit commitments being funded and subsequently being charged off. Each quarter, every unfunded client credit commitment is allocated to a credit risk-rating in accordance with each client's credit risk rating. We use the historical loan loss factors described under our allowance for loan losses to calculate the loan loss experience if unfunded credit commitments are funded. Separately, we use historical trends to calculate a probability of an unfunded credit commitment being funded. We apply the loan funding probability factor to risk-factor adjusted unfunded credit commitments by credit risk-rating to derive the reserve for unfunded credit commitments, similar to funded loans. The reserve for unfunded credit commitments also includes certain qualitative allocations as deemed appropriate by our management. We include the reserve for unfunded credit commitments in other liabilities and the related provision in other expenses. Uncollectible Loans and Write-offs Our charge-off policy applies to all loans, regardless of portfolio segment. Commercial loans are considered for a full or partial charge-off in the event that principal or interest is over 180 days past due and the loan lacks sufficient collateral and it is not in the process of collection, provided that a loss event has been defined and the charge-off is consistent with GAAP. Consumer loans are considered for a full or partial charge-off in the event that principal interest is over 120 days past due and the loan lacks sufficient collateral and it is not in the process of collection, provided that a loss event has been defined and the charge-off is consistent with GAAP. We also consider writing off loans in the event of any of the following circumstances: 1) the loan, or a portion of the loan is deemed uncollectible due to: a) the borrower's inability to make recurring payments, b) material changes in the borrower's financial condition, c) the expected sale of all or a portion of the borrower's business is insufficient to repay the loan in full, or 2) the loan has been identified for charge-off by regulatory authorities. Troubled Debt Restructurings A TDR arises from the modification of a loan where we have granted a concession to the borrower related to the borrower's financial difficulties that we would not have otherwise considered for economic or legal reasons. These concessions may include: (1) deferral of payment for more than an insignificant period of time that does not include sufficient offsetting borrower concessions; (2) interest rate reductions; (3) extension of the maturity date outside of ordinary course extension; (4) principal forgiveness; and or (5) reduction of accrued interest. We use the factors in ASC 310-40, Receivables, Troubled Debt Restructurings by Creditors, to help determine when a borrower is experiencing financial difficulty, and when we have granted a concession, both of which must be present for a restructuring to meet the criteria of a TDR. If we determine that a TDR exists, we measure impairment based on the present value of expected future cash flows discounted at the loan's effective interest rate, except that as a practical expedient, we may also measure impairment based on a loan's observable market price, or the fair value of the collateral less selling costs if the loan is a collateral-dependent loan. Impaired Loans A loan is considered impaired when, based upon currently known information, it is deemed probable that we will be unable to collect all amounts due according to the contractual terms of the agreement. On a quarterly basis, we review our loan portfolio for impairment. Within each class of loans, we review individual loans for impairment based on credit risk ratings. Loans risk-rated 5 through 7 are performing loans; however, we consider them as demonstrating higher risk, which requires more frequent review of the individual exposures; these translate to an internal rating of "Performing (Criticized)" and could be classified as a performing impaired loan. For each loan identified as impaired, we measure the impairment based upon the present value of expected future cash flows discounted at the loan's effective interest rate. In limited circumstances, we may measure impairment based on the loan's observable market price or the fair value of the collateral less selling costs if the loan is collateral dependent. Impaired collateral dependent loans will have independent appraisals completed and accepted at least annually. The fair value of the collateral will be determined by the most recent appraisal, as adjusted to reflect a reasonable marketing period for the sale of the asset(s) and an estimate of reasonable selling expenses. If it is determined that the value of an impaired loan is less than the recorded investment in the loan, net of previous charge-offs and payments collected, we recognize impairment through the allowance for loan losses as determined by our analysis. Nonaccrual Loans Loans are placed on nonaccrual status when they become 90 days past due as to principal or interest payments (unless the principal and interest are well secured and in the process of collection); or when we have determined, based upon currently known information, that the timely collection of principal or interest is not probable. When a loan is placed on nonaccrual status, the accrued interest and fees are reversed against interest income and the loan is accounted for using the cost recovery method thereafter until qualifying for return to accrual status. Historically, loans that have been placed on nonaccrual status have remained as nonaccrual loans until the loan is either charged-off, or the principal balances have been paid off. For a loan to be returned to accrual status, all delinquent principal and interest must become current in accordance with the terms of the loan agreement and future collection of remaining principal and interest must be deemed probable. We apply a cost recovery method in which all cash received is applied to the loan principal until it has been collected. Under this approach, interest income is recognized after total cash flows received exceed the recorded investment at the date of initial nonaccrual. All of our nonaccrual loans have credit risk ratings of 8 or 9 and are classified under the nonperforming impaired category. Standby Letters of Credit We recognize a liability at the inception of a standby letter of credit equivalent to the premium or the fee received for such guarantee. This fee is recognized in noninterest income over the commitment period using the straight-line method. Premises and Equipment Premises and equipment are reported at cost less accumulated depreciation and amortization. Depreciation and amortization are computed using the straight-line method over the estimated useful lives of the assets or the terms of the related leases, whichever is shorter. The maximum estimated useful lives by asset classification are as follows:
We capitalize the costs of computer software developed or obtained for internal use, including costs related to developed software, purchased software licenses and certain implementation costs. For property and equipment that is retired or otherwise disposed of, the cost and related accumulated depreciation are removed from the accounts and the resulting gain or loss is included in noninterest expense in consolidated net income. Lease Obligations We lease all of our properties. At the inception of the lease, each property is evaluated to determine whether the lease will be accounted for as an operating or capital lease. For leases that contain rent escalations or landlord incentives, we record the total rent payable during the lease term, using the straight-line method over the term of the lease and record the difference between the minimum rents paid and the straight-line rent as lease obligations. We had no capitalized lease obligations at December 31, 2015 and 2014. Fair Value Measurements Our available-for-sale securities, derivative instruments and certain marketable, non-marketable and other securities are financial instruments recorded at fair value on a recurring basis. We make estimates regarding valuation of assets and liabilities measured at fair value in preparing our consolidated financial statements. Fair Value Measurement-Definition and Hierarchy Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (the “exit price”) in an orderly transaction between market participants at the measurement date. There is a three-level hierarchy for disclosure of assets and liabilities recorded at fair value. The classification of assets and liabilities within the hierarchy is based on whether the inputs to the valuation methodology used for measurement are observable or unobservable and the significance of those inputs in the fair value measurement. Observable inputs reflect market-derived or market-based information obtained from independent sources, while unobservable inputs reflect our estimates about market data and views of market participants. The three levels for measuring fair value are based on the reliability of inputs and are as follows: Level 1 Fair value measurements based on quoted prices in active markets for identical assets or liabilities that we have the ability to access. Since valuations are based on quoted prices that are readily and regularly available in an active market, valuation of these instruments does not entail a significant degree of judgment. Assets utilizing Level 1 inputs include U.S. Treasury securities, exchange-traded equity securities and certain marketable securities accounted for under fair value accounting. Level 2 Fair value measurements based on quoted prices in markets that are not active or for which all significant inputs are observable, directly or indirectly. Valuations for the available-for-sale securities are provided by independent external pricing service providers who have experience in valuing these securities and by comparison to and/or average of quoted market prices obtained from independent external brokers. We perform a monthly analysis on the values received from third parties to ensure that the prices represent a reasonable estimate of the fair value. The procedures include, but are not limited to, initial and ongoing review of third party pricing methodologies, review of pricing trends and monitoring of trading volumes. Additional corroboration, such as obtaining a non-binding price from a broker, may be obtained depending on the frequency of trades of the security and the level of liquidity or depth of the market. We ensure prices received from independent brokers represent a reasonable estimate of the fair value through the use of observable market inputs including comparable trades, yield curve, spreads and, when available, market indices. As a result of this analysis, if the Company determines that there is a more appropriate fair value based upon the available market data, the price received from the third party is adjusted accordingly. Below is a summary of the significant inputs used for each class of Level 2 assets and liabilities: U.S. agency debentures: Fair value measurements of U.S. agency debentures are based on the characteristics specific to bonds held, such as issuer name, issuance date, coupon rate, maturity date and any applicable issuer call option features. Valuations are based on market spreads relative to similar term benchmark market interest rates, generally U.S. Treasury securities. Agency-issued mortgage-backed securities: Agency-issued mortgage-backed securities are pools of individual conventional mortgage loans underwritten to U.S. agency standards with similar coupon rates, tenor, and other attributes such as geographic location, loan size and origination vintage. Fair value measurements of these securities are based on observable price adjustments relative to benchmark market interest rates taking into consideration estimated loan prepayment speeds. Agency-issued collateralized mortgage obligations: Agency-issued collateralized mortgage obligations are structured into classes or tranches with defined cash flow characteristics and are collateralized by U.S. agency-issued mortgage pass-through securities. Fair value measurements of these securities incorporate similar characteristics of mortgage pass-through securities such as coupon rate, tenor, geographic location, loan size and origination vintage, in addition to incorporating the effect of estimated prepayment speeds on the cash flow structure of the class or tranche. These measurements incorporate observable market spreads over an estimated average life after considering the inputs listed above. Agency-issued commercial mortgage-backed securities: Fair value measurements of these securities are based on spreads to benchmark market interest rates (usually U.S. Treasury rates or rates observable in the swaps market), prepayment speeds, loan default rate assumptions and loan loss severity assumptions on underlying loans. Municipal bonds and notes: Bonds issued by municipal governments generally have stated coupon rates, final maturity dates and are subject to being called ahead of the final maturity date at the option of the issuer. Fair value measurements of these securities are priced based on spreads to other municipal benchmark bonds with similar characteristics; or, relative to market rates on U.S. Treasury bonds of similar maturity. Interest rate derivative assets and liabilities: Fair value measurements of interest rate derivatives are priced considering the coupon rate of the fixed leg of the contract and the variable coupon on the floating leg of the contract. Valuation is based on both spot and forward rates on the swap yield curve and the credit worthiness of the contract counterparty. Foreign exchange forward and option contract assets and liabilities: Fair value measurements of these assets and liabilities are priced based on spot and forward foreign currency rates and option volatility assumptions. Equity warrant assets (public portfolio): Fair value measurements of equity warrant assets of publicly-traded portfolio companies are valued based on the Black-Scholes option pricing model. The model uses the price of publicly-traded companies (underlying stock price), stated strike prices, warrant expiration dates, the risk-free interest rate and market-observable option volatility assumptions. Level 3 The fair value measurement is derived from valuation techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect our own estimates of assumptions we believe market participants would use in pricing the asset. Below is a summary of the valuation techniques used for each class of Level 3 assets: Other venture capital investments: Fair value measurements are based on consideration of a range of factors including, but not limited to, the price at which the investment was acquired, the term and nature of the investment, local market conditions, values for comparable securities, and as it relates to the private company, the current and projected operating performance, exit strategies, and financing transactions subsequent to the acquisition of the investment. The significant unobservable inputs used in the fair value measurement include the information about each portfolio company, including actual and forecasted results, cash position, recent or planned transactions and market comparable companies. Significant changes to any one of these inputs in isolation could result in a significant change in the fair value measurement, however, we generally consider all factors available through ongoing communication with the portfolio companies and venture capital fund managers to determine whether there are changes to the portfolio company or the environment that indicate a change in the fair value measurement. Other securities: Fair value measurements of equity securities of public companies are priced based on quoted market prices less a discount if the securities are subject to certain sales restrictions. Certain sales restriction discounts generally range from 10% to 20% depending on the duration of the sale restrictions which typically range from 3 to 6 months. Equity warrant assets (public portfolio): Fair value measurements of equity warrant assets of publicly-traded portfolio companies are valued based on the Black-Scholes option pricing model. The model uses the price of publicly-traded companies (underlying stock price), stated strike prices, warrant expiration dates, the risk-free interest rate and market-observable option volatility assumptions. Modeled asset values are further adjusted by applying a discount of up to 20% for certain warrants that have certain sales restrictions or other features that indicate a discount to fair value is warranted. As sale restrictions are lifted, discounts are adjusted downward to zero once all restrictions expire or are removed. Equity warrant assets (private portfolio): Fair value measurements of equity warrant assets of private portfolio companies are priced based on a modified Black-Scholes option pricing model to estimate the asset value by using stated strike prices, option expiration dates, risk-free interest rates and option volatility assumptions. Option volatility assumptions used in the modified Black-Scholes model are based on public market indices whose members operate in similar industries as companies in our private company portfolio. Option expiration dates are modified to account for estimates to actual life relative to stated expiration. Overall model asset values are further adjusted for a general lack of liquidity due to the private nature of the associated underlying company. There is a direct correlation between changes in the volatility and remaining life assumptions in isolation and the fair value measurement while there is an inverse correlation between changes in the liquidity discount assumption and the fair value measurement. It is our policy to maximize the use of observable inputs and minimize the use of unobservable inputs when developing fair value measurements. When available, we use quoted market prices to measure fair value. If market prices are not available, fair value measurement is based upon valuation techniques that use primarily market-based or independently-sourced market parameters, including interest rate yield curves, prepayment speeds, option volatilities and currency rates. Substantially all of our financial instruments use the foregoing methodologies, and are categorized as a Level 1 or Level 2 measurement in the fair value hierarchy. However, in certain cases, when market observable inputs for our valuation techniques may not be readily available, we are required to make judgments about assumptions we believe market participants would use in estimating the fair value of the financial instrument, and based on the significance of those judgments, the measurement may be determined to be a Level 3 fair value measurement. The degree of management judgment involved in determining the fair value of a financial instrument is dependent upon the availability of quoted market prices or observable market parameters. For financial instruments that trade actively and have quoted market prices or observable market parameters, there is minimal subjectivity involved in measuring fair value. When observable market prices and parameters are not fully available, management judgment is necessary to estimate fair value. For inactive markets, there is little information, if any, to evaluate if individual transactions are orderly. Accordingly, we are required to estimate, based upon all available facts and circumstances, the degree to which orderly transactions are occurring and provide more weighting to price quotes that are based upon orderly transactions. In addition, changes in the market conditions may reduce the availability of quoted prices or observable data. For example, reduced liquidity in the capital markets or changes in secondary market activities could result in observable market inputs becoming unavailable. Therefore, when market data is not available, we use valuation techniques requiring more management judgment to estimate the appropriate fair value measurement. Accordingly, the degree of judgment exercised by management in determining fair value is greater for financial assets and liabilities categorized as Level 3. Fee-based Services Revenue Recognition Letters of Credit and Standby Letters of Credit Fee Income Fees generated from letters of credit and standby letters of credit are deferred as a component of other liabilities and recognized in noninterest income over the commitment period using the straight-line method, based on the likelihood that the commitment being drawn down will be remote. Client Investment Fees Client investment fees include fees earned from Rule 12(b)-1 fees, revenue sharing and from customer transactional based fees. Rule 12(b)-1 fees and revenue sharing are recognized as earned based on client funds that are invested in the period. Transactional based fees are earned and recognized on fixed income securities when the transaction is executed on the clients' behalf. Foreign Exchange Fees Foreign exchange fees represent the income differential between purchases and sales of foreign currency on behalf of our clients and are recognized as earned. Lending Related Fees Unused commitment fees, minimum finance fees and unused line fees are recognized as earned on a monthly and quarterly basis. Fees that qualify for syndication treatment are recognized at the completion of the syndicated loan deal for which the fees were received. Other Fee Income Credit card fees, net of rewards expense, and deposit service charge fee income are recognized as earned on a monthly basis. Other Service Revenue Other service revenue primarily includes revenue from valuation services. We recognize revenue when (i) persuasive evidence of an arrangement exists, (ii) we have performed the service, provided we have no other remaining obligations to the customer, (iii) the fee is fixed or determinable and, (iv) collectability is probable. Fund Management Fees and Carried Interest Fund management fees are comprised of fees charged directly to our managed funds of funds and direct venture funds. Fund management fees are based upon the contractual terms of the limited partnership agreements and are recognized as earned over the specified contract period, which is generally equal to the life of the individual fund. Fund management fees are recorded as a component of other noninterest income. Carried interest is comprised of preferential allocations of profits recognizable when the return on assets of our individual managed fund of funds and direct venture funds exceeds certain performance targets and is payable to us, as the general partners of the managed funds. The carried interest we earn is often shared with employees, who are also members of the general partner entities. We record carried interest on a quarterly basis by measuring fund performance to date versus the performance target. For our unconsolidated managed funds, carried interest is recorded as gains on investment securities, net. For our consolidated managed funds, it is recorded as a component of net income attributable to noncontrolling interests. Carried interest allocated to others is recorded as a component of net income attributable to noncontrolling interests. Income Taxes Income taxes are accounted for under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carryforwards. Our federal, state and foreign income tax provisions are based upon taxes payable for the current year, current year changes in deferred taxes related to temporary differences between the tax basis and financial statement balances of assets and liabilities, and a reserve for uncertain tax positions. Deferred tax assets and liabilities are included in the consolidated financial statements at currently enacted income tax rates applicable to the period in which the deferred tax assets and liabilities are expected to be realized. As changes in tax laws or rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes. We file a consolidated federal income tax return, and consolidated, combined, or separate state income tax returns as appropriate. Our foreign incorporated subsidiaries file tax returns in the applicable foreign jurisdictions. We record interest and penalties related to unrecognized tax benefits in other noninterest expense, a component of consolidated net income. Share-Based Compensation For all stock-based awards granted, stock-based compensation expense is amortized on a straight-line basis over the requisite service period, including consideration of vesting conditions and anticipated forfeitures. The fair value of stock options are measured using the Black-Scholes option-pricing model and the fair value for restricted stock awards and restricted stock units are based on the quoted price of our common stock on the date of grant. Earnings Per Share Basic earnings per common share is computed using the weighted average number of common stock shares outstanding during the period. Diluted earnings per common share is computed using the weighted average number of common stock shares and potential common shares outstanding during the period. Potential common shares consist of stock options, ESPP shares and restricted stock units. Common stock equivalent shares are excluded from the computation if the effect is antidilutive. Derivative Financial Instruments All derivative instruments are recorded on the balance sheet at fair value. The accounting for changes in fair value of a derivative financial instrument depends on whether the derivative financial instrument is designated and qualifies as part of a hedging relationship and, if so, the nature of the hedging activity. Changes in fair value are recognized through earnings for derivatives that do not qualify for hedge accounting treatment, or that have not been designated in a hedging relationship. Fair Value Hedges For derivative instruments that are designated and qualify as a fair value hedge, the gain or loss on the hedging instrument is recorded in the statement of income in the same line item as the hedged item and is intended to offset the loss or gain on the hedged item attributable to the hedged risk. Any difference that does arise would be the result of hedge ineffectiveness, and impacts earnings. Equity Warrant Assets In connection with negotiated credit facilities and certain other services, we may obtain equity warrant assets giving us the right to acquire stock in primarily private, venture-backed companies in the technology and life science/healthcare industries. We hold these assets for prospective investment gains. We do not use them to hedge any economic risks nor do we use other derivative instruments to hedge economic risks stemming from equity warrant assets. We account for equity warrant assets in certain private and public client companies as derivatives when they contain net settlement terms and other qualifying criteria under ASC 815, Derivatives and Hedging. In general, equity warrant assets entitle us to buy a specific number of shares of stock at a specific price within a specific time period. Certain equity warrant assets contain contingent provisions, which adjust the underlying number of shares or purchase price upon the occurrence of certain future events. Our warrant agreements typically contain net share settlement provisions, which permit us to receive at exercise a share count equal to the intrinsic value of the warrant divided by the share price (otherwise known as a “cashless” exercise). These equity warrant assets are recorded at fair value and are classified as derivative assets, a component of other assets, on our consolidated balance sheet at the time they are obtained. The grant date fair values of equity warrant assets received in connection with the issuance of a credit facility are deemed to be loan fees and recognized as an adjustment of loan yield through loan interest income. Similar to other loan fees, the yield adjustment related to grant date fair value of warrants is recognized over the life of that credit facility. Any changes in fair value from the grant date fair value of equity warrant assets will be recognized as increases or decreases to other assets on our balance sheet and as net gains or losses on derivative investments, in noninterest income, a component of consolidated net income. When a portfolio company completes an IPO on a publicly reported market or is acquired, we may exercise these equity warrant assets for shares or cash. In the event of an exercise for shares, the basis or value in the securities is reclassified from other assets to investment securities on the balance sheet on the latter of the exercise date or corporate action date. The shares in public companies are classified as available-for-sale securities (provided they do not have a significant restriction from sale). Changes in fair value of securities designated as available-for-sale, after applicable taxes, are reported in accumulated other comprehensive income, which is a separate component of SVBFG stockholders' equity. The shares in private companies are classified as non-marketable securities. We, typically, account for these securities at cost and only record adjustments to the value at the time of exit or liquidation though gains (losses) on investments securities, net, which is a component of noninterest income. The fair value of the equity warrant assets portfolio is a critical accounting estimate and is reviewed quarterly. We value our equity warrant assets using a modified Black-Scholes option pricing model, which incorporates the following significant inputs:
Foreign Exchange Forwards and Foreign Currency Option Contracts We enter into foreign exchange forward contracts and foreign currency option contracts with clients involved in international activities, either as the purchaser or seller, depending upon the clients' need. We also enter into an opposite-way forward or option contract with a correspondent bank to economically hedge client contracts to mitigate the fair value risk to us from fluctuations in currency rates. Settlement, credit, and operational risks remain. We also enter into forward contracts with correspondent banks to economically hedge currency exposure risk related to certain foreign currency denominated assets and liabilities. These contracts are not designated as hedging instruments and are recorded at fair value in our consolidated balance sheets. The contracts generally have terms of one year or less, although we may have contracts extending for up to five years. Generally, we have not experienced nonperformance on these contracts, have not incurred credit losses, and anticipate performance by all counterparties to such agreements. Changes in the fair value of these contracts are recognized in consolidated net income under gains (losses) on derivative instruments, net, a component of noninterest income. Period-end gross positive fair values are recorded in other assets and gross negative fair values are recorded in other liabilities. Interest Rate Contracts We sell interest rate contracts to clients who wish to mitigate their interest rate exposure. We economically reduce the interest rate risk from this business by entering into opposite way contracts with correspondent banks. We do not designate any of these contracts (which are derivative instruments) as qualifying for hedge accounting. Contracts in an asset position are included in other assets and contracts in a liability position are included in other liabilities. The net change in the fair value of these derivatives is recorded through net gains on derivative instruments, in noninterest income, a component of consolidated net income. Adoption of New Accounting Standards In May 2015, the FASB issued a new accounting standard (ASU 2015-07, Fair Value Measurement (Topic 820)), which removes the requirement to categorize within the fair value hierarchy all investments for which fair value is measured using the net asset value per share practical expedient. The standard is required to be applied retrospectively to all periods presented. The guidance will be effective for fiscal years beginning after December 15, 2015, with early adoption permitted. We early adopted this guidance in the second quarter of 2015. The adoption of this guidance impacts our fair value disclosures and has no impact on our financial position, results of operations or stockholders' equity. In April 2015, the FASB issued a new accounting standard (ASU 2015-03, Interest- Imputation of Interest (Subtopic 835-30), which simplifies the presentation of debt issuance costs. The guidance will be effective for annual and quarterly periods beginning on January 1, 2016, with early adoption permitted. We early adopted this guidance in the third quarter of 2015 using the retrospective method, which required the restatement of prior period results. The adoption of this guidance impacted our statement of financial position, but had no impact on our results of operations or retained earnings. We reclassified $4.8 million and $2.1 million of debt issuance costs from other assets to a direct deduction from the carrying amounts of long-term debt for the periods ended December 31, 2015, and December 31, 2014, respectively. In February 2015, the FASB issued a new accounting standard, ASU 2015-02, which amends the consolidation requirement for certain legal entities. As outlined above in "Principles of Consolidation and Presentation", we early adopted this guidance in the second quarter of 2015 using the modified retrospective method, which results in an effective date of adoption of January 1, 2015 and did not require the restatement of prior period results. The adoption of this guidance impacted our statement of financial position and results of operations, but had no impact on retained earnings, SVBFG stockholders' equity or net income as investments that were consolidated in previous reporting periods are now deconsolidated and no new investments were consolidated. Refer to Note 5—”Variable Interest Entities” of the “Notes to the Consolidated Financial Statements” under Part II, Item 8 of this report for additional details regarding our assessment of the adoption of this guidance. In April 2014, the FASB issued a new accounting standard (ASU 2014-08, Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity), which changes the criteria for reporting discontinued operations. Under the new guidance, only disposals representing a strategic shift in operations should be presented as discontinued operations. Those strategic shifts should have a major effect on the organization's operations and financial results. Additionally, the new guidance requires expanded disclosures about the assets, liabilities, income, and expenses of discontinued operations and requires disclosures of the pre-tax income attributable to a disposal of a significant part of an organization that does not qualify for discontinued operations reporting. The amendments in this update are effective for fiscal years beginning after December, 15, 2014, with early adoption permitted only for disposals or classifications as held for sale that have not been previously reported. The Company adopted this ASU in the fourth quarter of 2014. The adoption of this ASU modified the disclosure requirements for discontinued operations and did not have any impact on our financial position, results of operations or stockholders’ equity. In January 2014, the FASB issued a new accounting standard (ASU 2014-01, Investments - Equity Method and Joint Ventures (Topic 323), Accounting for Investments in Qualified Affordable Housing Projects), which is effective for us for interim and annual reporting periods beginning after December 15, 2014. The standard is required to be applied retrospectively, with an adjustment to retained earnings in the earliest period presented. The ASU is applicable to our portfolio of low income housing tax credit ("LIHTC") partnership interests. We adopted this guidance in the first quarter of 2015. For prior periods, pursuant to ASU 2014-01, (i) amortization expense related to our low income housing tax credits was reclassified from Other noninterest expense to Income tax expense, (ii) additional amortization, net of the associated tax benefits, was recognized in Income tax expense as a result of our adoption of the proportional amortization method and (iii) net deferred tax assets, related to our low income housing tax investments, were written-off. The cumulative effect to retained earnings as of January 1, 2015 of adopting this guidance was a reduction of $4.7 million, inclusive of a $3.3 million reduction to retained earnings as of January 1, 2013. Our previously reported net income and diluted earnings per share for the years ended December 31, 2014 and 2013 were not materially impacted by the adoption of ASU 2014-01. In June 2013, the FASB issued a new accounting standard (ASU No. 2013-08, Amendments to the Scope, Measurement and Disclosure Requirement for Investment Companies), which modified the guidance in ASC 946 for determining whether an entity is an investment company, as well as the measurement and disclosure requirements for investment companies. The ASU does not change current accounting where a noninvestment company parent retains the specialized accounting applied by an investment company subsidiary in consolidation. ASU 2013-08 was effective on a prospective basis for the interim and annual reporting periods beginning after December 15, 2013, and was therefore adopted in the first quarter of 2014. This standard did not have any impact on our financial position, results of operations or stockholders' equity. In July 2013, the FASB issued a new accounting standard (ASU No. 2013-11, Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists), which requires an unrecognized tax benefit to be presented as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward that the entity intends to use and is available for settlement at the reporting date. ASU 2013-11 was effective for, and adopted by the Company, in the first quarter of 2014. The adoption of ASU 2013-11 did not have a material impact on the Company’s consolidated financial position, results of operations or stockholders' equity. Recent Accounting Pronouncements In May 2014, the FASB issued a new accounting standard (ASU 2014-09, Revenue from Contracts with Customers (Topic 606)), which provides revenue recognition guidance that is intended to create greater consistency with respect to how and when revenue from contracts with customers is shown in the income statement. This guidance will be effective on a retrospective basis beginning on January 1, 2018. We do not expect the adoption of this guidance to have a material impact on our financial position, results of operations or stockholders' equity. In April 2015, the FASB issued a new accounting standard (ASU 2015-05, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40)). This guidance will help entities evaluate the accounting for fees paid by a customer in a cloud computing arrangement. The amendments in this Update provide guidance to customers about whether a cloud computing arrangement includes a software license. If a cloud computing arrangement includes a software license, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The guidance will be effective on a January 1, 2016, with early adoption permitted. We do not expect the adoption of this guidance to have a material impact on our financial position, results of operations or stockholders' equity. In January 2016, the FASB issued a new accounting standard (ASU 2016-01, Recognition and Measurement of Financial Assets and Financial Liabilities (Topic 825)), which will significantly change the income statement impact of equity investments, and the recognition of changes in fair value of financial liabilities when the fair value option is elected. This guidance will be effective on January 1, 2018, on a prospective basis with a cumulative-effect adjustment to the balance sheet as of the beginning of the fiscal year of adoption. We are currently evaluating the impact this guidance will have on our consolidated financial statements, as well as the expected timing and method of adoption. Reclassifications Certain prior period amounts, including amounts related to the adoption of ASU 2014-01, ASU 2015-03 and ASU 2015-07, have been reclassified to conform to current period presentations. |
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Stockholders' Equity and EPS |
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| Stockholders' Equity and EPS | Stockholders’ Equity and EPS Common Stock In the second quarter of 2014, to support the continued growth of our balance sheet, we completed a registered public offering of 4,485,000 shares of our common stock at an offering price of $101.00 per share. We received net proceeds of $434.9 million after deducting underwriting discounts and commissions. Accumulated Other Comprehensive Income The following table summarizes the items reclassified out of accumulated other comprehensive income into the Consolidated Statements of Income for 2015, 2014, and 2013:
EPS Basic EPS is the amount of earnings available to each share of common stock outstanding during the reporting period. Diluted EPS is the amount of earnings available to each share of common stock outstanding during the reporting period adjusted to include the effect of potentially dilutive common shares. Potentially dilutive common shares include incremental shares issued for stock option and restricted stock unit awards outstanding under our equity incentive plan and our ESPP. Potentially dilutive common shares are excluded from the computation of dilutive EPS in periods in which the effect would be antidilutive. The following is a reconciliation of basic EPS to diluted EPS for 2015, 2014 and 2013:
The following table summarizes the weighted average common shares excluded from the diluted EPS calculation as they were deemed to be antidilutive for 2015, 2014 and 2013:
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Share-Based Compensation |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share-Based Compensation | Share-Based Compensation Share-based compensation expense was recorded net of estimated forfeitures for 2015, 2014 and 2013, such that expense was recorded only for those share-based awards that are expected to vest. In 2015, 2014 and 2013, we recorded share-based compensation and related benefits as follows:
Equity Incentive Plan On May 11, 2006, our stockholders approved the 2006 Equity Incentive Plan (the “2006 Incentive Plan”). Our previous 1997 Equity Incentive Plan expired in December 2006. The 2006 Incentive Plan provides for the grant of various types of incentive awards, of which the following have been granted: (i) stock options; (ii) restricted stock awards; (iii) restricted stock units; and (iv) other cash or stock settled equity awards. Subject to the provisions of Section 16 of the 2006 Incentive Plan, the maximum aggregate number of shares that may be awarded and sold thereunder is 9,528,505. Restricted stock awards and restricted stock units will be counted against the available-for-issuance limits of the 2006 Incentive Plan as two shares for every one share awarded. Further, if shares acquired under any such award are forfeited or otherwise canceled and would otherwise return to the 2006 Incentive Plan, two times the number of such forfeited or repurchased shares will return to the 2006 Incentive Plan and will again become available for issuance. Eligible participants in the 2006 Incentive Plan include directors, employees, and consultants. Options granted under the 2006 Incentive Plan expire seven years after the grant date. Options generally vest annually over four years, from the grant date based on continued employment or other service. Restricted stock awards and units also generally vest annually over four years and require continued employment or other service through the vesting period. Performance-based restricted stock units generally vest upon meeting certain performance-based objectives and, typically the passage of time and require continued employment or other service through the vesting period. The vesting period for restricted stock units cannot be less than three years unless they are subject to certain performance-based objectives, in which case the vesting period cannot be less than 12 months. Employee Stock Purchase Plan We maintain the 1999 ESPP under which participating employees may annually contribute up to 10 percent of their gross compensation (not to exceed $25,000) to purchase shares of our common stock at 85 percent of its fair market value at either the beginning or end of each six-month offering period, whichever price is less. To be eligible to participate in the ESPP, an employee must, among other requirements, be employed by the Company on both the date of offering and date of purchase, and be employed customarily for at least 20 hours per week and at least five months per calendar year. We issued 140,471 shares and received $13.9 million in cash under the ESPP in 2015. At December 31, 2015, a total of 425,728 shares of our common stock were still available for future issuance under the ESPP. Unrecognized Compensation Expense As of December 31, 2015, unrecognized share-based compensation expense was as follows:
Valuation Assumptions The fair values of share-based awards for employee stock options and employee stock purchases made under our ESPP were estimated using the Black-Scholes option pricing model. The fair values of restricted stock units were based on our closing stock price on the date of grant. The following weighted average assumptions and fair values were used for our employee stock options and restricted stock units:
The following weighted average assumptions and fair values were used for our ESPP:
The expected term is based on the implied term of the stock options using factors based on historical exercise behavior. The expected volatilities are based on a blended rate consisting of our historic volatility and our expected volatility over a five-year term which is an indicator of expected volatility and future stock price trends. For 2015, 2014 and 2013, expected volatilities for the ESPP were equal to the historical volatility for the previous six-month periods. The expected risk-free interest rates were based on the yields of U.S. Treasury securities, as reported by the Federal Reserve Bank of New York, with maturities equal to the expected terms of the employee stock options. Share-Based Payment Award Activity The table below provides stock option information related to the 2006 Equity Incentive Plan for the year ended December 31, 2015:
The aggregate intrinsic value of outstanding options shown in the table above represents the pre-tax intrinsic value based on our closing stock price of $118.90 as of December 31, 2015. The following table summarizes information regarding stock options outstanding and exercisable as of December 31, 2015:
We expect to satisfy the exercise of stock options by issuing shares registered under the 2006 Incentive Plan. All future awards of stock options and restricted stock units will be issued from the 2006 Incentive Plan. At December 31, 2015, 2,664,121 shares were available for future issuance. The table below provides information for restricted stock units under the 2006 Equity Incentive Plan for the year ended December 31, 2015:
The following table summarizes information regarding stock option and restricted stock activity during 2015, 2014 and 2013:
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Variable Interest Entities |
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| Investments In Variable Interest Entities [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Variable Interest Entities | Variable Interest Entities Our involvement with VIEs includes our investments in venture capital and private equity funds, debt funds, private and public portfolio companies and our investments in qualified affordable housing projects. The following table presents the carrying amounts and classification of significant variable interests in consolidated and unconsolidated VIEs as of December 31, 2015:
Non-marketable and other securities Our non-marketable and other securities portfolio primarily represents investments in venture capital and private equity funds, debt funds, private and public portfolio companies and investments in qualified affordable housing projects. A majority of these investments are through third party funds held by SVB Financial in which we do not have controlling or significant variable interests. These investments represent our unconsolidated VIEs in the table above. Our non-marketable and other securities portfolio also includes investments from SVB Capital. SVB Capital is the venture capital investment arm of SVB Financial, which focuses primarily on funds management. The SVB Capital family of funds is comprised of direct venture funds that invest in companies and funds of funds that invest in other venture capital funds. We have a controlling and significant variable interest in five of these SVB Capital funds and consolidate these funds for financial reporting purposes. All investments are generally non-redeemable and distributions are expected to be received through the liquidation of the underlying investments throughout the life of the investment fund. Investments may be sold or transferred subject to the notice and approval provisions of the underlying investment agreement. Subject to applicable regulatory requirements, including the Volcker Rule, we also make commitments to invest in venture capital and private equity funds, but are not obligated to fund commitments beyond our initial investment. For additional details, see Note 19—"Off-Balance Sheet Arrangements, Guarantees, and Other Commitments" of the "Notes to the Consolidated Financial Statements" under Part II, Item 8 of this report. The Bank also has variable interests in low income housing tax credit funds that are designed to generate a return primarily through the realization of federal tax credits. These investments are typically limited partnerships in which the general partner, other than the Bank, holds the power over significant activities of the VIE. We have not consolidated these investments in accordance with the new guidelines in ASU 2015-02. For additional information on our investments in qualified affordable housing projects see Note 8—“Investment Securities" of the "Notes to the Consolidated Financial Statements" under Part II, Item 8 of this report. As of December 31, 2015, our exposure to loss with respect to the consolidated VIEs is limited to our net assets of $215.6 million and our exposure to loss for our unconsolidated VIEs is equal to our investment in these assets of $364.5 million. |
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Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock |
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| Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock | Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock The Bank is required to maintain reserves against customer deposits by keeping balances with the Federal Reserve. The cash balances at the Federal Reserve are classified as cash and cash equivalents. Additionally, as a member of the FHLB and FRB, we are required to hold shares of FHLB and FRB stock under the Bank's borrowing agreement. FHLB and FRB stock are recorded at cost as a component of other assets, and any cash dividends received are recorded as a component of other noninterest income. The tables below provide information on the required reserve balances at the Federal Reserve, as well as shares held at the FHLB and FRB for the years ended and as of December 31, 2015 and 2014:
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Cash and Cash Equivalents |
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| Cash and Cash Equivalents | Cash and Cash Equivalents The following table details our cash and cash equivalents at December 31, 2015 and December 31, 2014:
Additional information regarding our securities purchased under agreements to resell for 2015 and 2014 is as follows:
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Investment Securities |
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| Investments, Debt and Equity Securities [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Securities | Investment Securities Our investment securities portfolio consists of: (i) an available-for-sale securities portfolio and a held-to-maturity securities portfolio, both of which represent interest-earning investment securities; and (ii) a non-marketable and other securities portfolio, which primarily represents investments managed as part of our funds management business. Available-for-Sale Securities The major components of our available-for-sale investment securities portfolio at December 31, 2015 and December 31, 2014 are as follows:
The following table summarizes our unrealized losses on our AFS securities portfolio into categories of less than 12 months, or 12 months or longer as of December 31, 2015:
The following table summarizes our unrealized losses on our AFS securities portfolio into categories of less than 12 months, or 12 months or longer as of December 31, 2014:
The following table summarizes the remaining contractual principal maturities and fully taxable equivalent yields on fixed income securities classified as available-for-sale as of December 31, 2015. The weighted average yield is computed using the amortized cost of fixed income investment securities, which are reported at fair value. For U.S. Treasury securities, the expected maturity is the actual contractual maturity of the notes. Expected remaining maturities for certain U.S. agency debentures may occur earlier than their contractual maturities because the note issuers have the right to call outstanding amounts ahead of their contractual maturity. Expected maturities for mortgage-backed securities may differ significantly from their contractual maturities because mortgage borrowers have the right to prepay outstanding loan obligations with or without penalties. Mortgage-backed securities classified as available-for-sale typically have original contractual maturities from 10 to 30 years whereas expected average lives of these securities tend to be significantly shorter and vary based upon structure and prepayments in lower rate environments.
Held-to-Maturity Securities The components of our held-to-maturity investment securities portfolio at December 31, 2015 and December 31, 2014 are as follows:
The following table summarizes our unrealized losses on our held-to-maturity securities portfolio into categories of less than 12 months and 12 months or longer as of December 31, 2015:
The following table summarizes our unrealized losses on our held-to-maturity securities portfolio into categories of less than 12 months and 12 months or longer as of December 31, 2014:
The following table summarizes the remaining contractual principal maturities and fully taxable equivalent yields on fixed income investment securities classified as held-to-maturity as of December 31, 2015. Interest income on certain municipal bonds and notes (non-taxable investments) are presented on a fully taxable equivalent basis using the federal statutory tax rate of 35.0 percent. The weighted average yield is computed using the amortized cost of fixed income investment securities. For U.S. agency debentures, the expected maturity is the actual contractual maturity of the notes. Expected maturities for mortgage-backed securities may differ significantly from their contractual maturities because mortgage borrowers have the right to prepay outstanding loan obligations with or without penalties. Mortgage-backed securities classified as held-to-maturity typically have original contractual maturities from 10 to 30 years whereas expected average lives of these securities tend to be significantly shorter and vary based upon structure and prepayments in lower rate environments.
Non-marketable and Other Securities The major components of our non-marketable and other investment securities portfolio at December 31, 2015 and December 31, 2014 are as follows:
The following table presents the balances of our investments in qualified affordable housing projects and related unfunded commitments at December 31, 2015 and December 31, 2014:
The following table presents other information relating to our investments in qualified affordable housing projects for the year ended December 31, 2015, 2014 and 2013:
The following table presents the components of gains and losses (realized and unrealized) on investment securities in 2015, 2014 and 2013:
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Loans and Allowance for Loan Losses |
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| Receivables [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans and Allowance for Loan Losses | Loans and Allowance for Loan Losses We serve a variety of commercial clients in the technology, life science/healthcare, private equity/venture capital and premium wine industries. Our technology clients generally tend to be in the industries of hardware (semiconductors, communications and electronics), software and related services, and energy and resource innovation. Because of the diverse nature of ERI products and services, for our loan-related reporting purposes, ERI-related loans are reported under our hardware, software and internet, life science/healthcare and other commercial loan categories, as applicable. Our life science/healthcare clients primarily tend to be in the industries of biotechnology, medical devices, healthcare information technology and healthcare services. Loans made to private equity/venture capital firm clients typically enable them to fund investments prior to their receipt of funds from capital calls. Loans to the premium wine industry focus on vineyards and wineries that produce grapes and wines of high quality. In addition to commercial loans, we make consumer loans through SVB Private Bank and provide real estate secured loans to eligible employees through our EHOP. Our private banking clients are primarily private equity/venture capital professionals and executive leaders in the innovation companies they support. These products and services include real estate secured home equity lines of credit, which may be used to finance real estate investments and loans used to purchase, renovate or refinance personal residences. These products and services also include restricted stock purchase loans and capital call lines of credit. We also provide community development loans made as part of our responsibilities under the Community Reinvestment Act. These loans are included within “Construction loans” below and are primarily secured by real estate. The composition of loans, net of unearned income of $115 million and $104 million at December 31, 2015 and 2014, respectively, is presented in the following table:
Credit Quality The composition of loans, net of unearned income of $115 million and $104 million at December 31, 2015 and December 31, 2014, respectively, broken out by portfolio segment and class of financing receivable, is as follows:
The following table summarizes the aging of our gross loans, broken out by portfolio segment and class of financing receivable as of December 31, 2015 and 2014:
The following table summarizes our impaired loans as they relate to our allowance for loan losses, broken out by portfolio segment and class of financing receivable for the years ended December 31, 2015 and 2014:
The following table summarizes our average impaired loans and the related interest income while impaired, broken out by portfolio segment and class of financing receivable during 2015, 2014 and 2013:
The following tables summarize the activity relating to our allowance for loan losses for 2015, 2014, and 2013 broken out by portfolio segment:
The following table summarizes the allowance for loan losses individually and collectively evaluated for impairment as of December 31, 2015 and 2014, broken out by portfolio segment:
Credit Quality Indicators For each individual client, we establish an internal credit risk rating for that loan, which is used for assessing and monitoring credit risk as well as performance of the loan and the overall portfolio. Our internal credit risk ratings are also used to summarize the risk of loss due to failure by an individual borrower to repay the loan. For our internal credit risk ratings, each individual loan is given a risk rating of 1 through 10. Loans risk-rated 1 through 4 are performing loans and translate to an internal rating of “Pass”, with loans risk-rated 1 being cash secured. Loans risk-rated 5 through 7 are performing loans, however, we consider them as demonstrating higher risk, which requires more frequent review of the individual exposures; these translate to an internal rating of “Performing (Criticized)”. When a significant payment delay occurs on a criticized loan, the loan is impaired. The loan is also considered for nonaccrual status if full repayment is determined to be improbable. All of our nonaccrual loans are risk-rated 8 or 9 and are classified under the nonperforming impaired category. (For further description of nonaccrual loans, refer to Note 2—“Summary of Significant Accounting Policies”). Loans rated 10 are charged-off and are not included as part of our loan portfolio balance. We review our credit quality indicators for performance and appropriateness of risk ratings as part of our evaluation process for our allowance for loan losses. The following table summarizes the credit quality indicators, broken out by portfolio segment and class of financing receivables as of December 31, 2015 and 2014:
TDRs As of December 31, 2015 we had 17 TDRs with a total carrying value of $111.7 million where concessions have been granted to borrowers experiencing financial difficulties, in an attempt to maximize collection. This compares to seven TDRs with a total carrying value of $7.2 million as of December 31, 2014. There were unfunded commitments available for funding of $1.0 million to the clients associated with these TDRs as of December 31, 2015. The following table summarizes our loans modified in TDRs, broken out by portfolio segment and class of financing receivables at December 31, 2015 and 2014:
The following table summarizes the recorded investment in loans modified in TDRs, broken out by portfolio segment and class of financing receivable, for modifications made during 2015, 2014, and 2013:
All new TDRs in 2015 were modified through payment deferrals granted to our clients. New TDRs in 2014 included $1.7 million of payment deferrals and $1.0 million of principal forgiveness. In 2013 all new TDRs were modified through payment deferrals. The related allowance for loan losses for the majority of our TDRs is determined on an individual basis by comparing the carrying value of the loan to the present value of the estimated future cash flows, discounted at the pre-modification contractual interest rate. For certain TDRs, the related allowance for loan losses is determined based on the fair value of the collateral if the loan is collateral dependent. The following table summarizes the recorded investment in loans modified in TDRs within the previous 12 months that subsequently defaulted during their respective periods, broken out by portfolio segment and class of financing receivable. During the 2014 year, there were no TDRs modified within the previous 12 months that defaulted.
Charge-offs and defaults on previously restructured loans are evaluated to determine the impact to the allowance for loan losses, if any. The evaluation of these defaults may impact the assumptions used in calculating the reserve on other TDRs and impaired loans as well as management’s overall outlook of macroeconomic factors that affect the reserve on the loan portfolio as a whole. After evaluating the charge-offs and defaults experienced on our TDRs we determined that no change to our reserving methodology was necessary to determine the allowance for loan losses as of December 31, 2015. |
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Premises and Equipment |
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| Property, Plant and Equipment [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Premises and Equipment | Premises and Equipment Premises and equipment at December 31, 2015 and 2014 consisted of the following:
Depreciation and amortization expense for premises and equipment was $28.3 million, $30.0 million, and $29.1 million in 2015, 2014 and 2013, respectively. Additionally, in 2015 we wrote-off $23.2 million of certain fully depreciated assets, primarily computer hardware. |
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Disposal - Assets Held-for-Sale |
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| Discontinued Operations and Disposal Groups [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disposal - Assets Held-for-Sale | Disposal - Assets Held-for-Sale At December 31, 2014, we had net assets held-for-sale of $44.3 million related to our agreement to sell all of the outstanding capital stock of the Bank’s subsidiary, SVB India Finance Private Limited, a non-banking financial company in India. The sale was completed on April 13, 2015 and no held-for-sale operations remain at December 31, 2015. As a result of the held-for-sale designation we recognized a $13.9 million impairment loss in 2014 and a gain of $1.3 million upon completion of the sale in 2015. The following table details selected financial information included in the loss from the then pending sale:
The following table presents the composition of SVBIF assets held-for-sale included in accrued interest receivable and other assets at December 31, 2014:
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Deposits |
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| Deposits [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposits | Deposits The following table presents the composition of our deposits at December 31, 2015 and 2014:
The aggregate amount of time deposit accounts individually equal to or greater than $250,000 totaled $54 million and $106 million at December 31, 2015 and 2014, respectively. At December 31, 2015, time deposit accounts individually equal to or greater than $250,000 totaling $54 million were scheduled to mature within one year. |
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Short-Term Borrowings and Long-Term Debt |
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| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Short-Term Borrowings and Long-Term Debt | Short-Term Borrowings and Long-Term Debt The following table represents outstanding short-term borrowings and long-term debt at December 31, 2015 and 2014:
The aggregate annual maturities of long-term debt obligations as of December 31, 2015 are as follows:
Interest expense related to short-term borrowings and long-term debt was $34.9 million, $23.2 million and $23.1 million in 2015, 2014 and 2013, respectively. Interest expense is net of the hedge accounting impact from our interest rate swap agreements related to our 6.05% Subordinated Notes. The weighted average interest rate associated with our short-term borrowings as of December 31, 2015 was 0.32 percent. 3.50% Senior Notes In January 2015, the Company issued $350 million of 3.50% Senior Notes due in January 2025. We received net proceeds of approximately $346.4 million after deducting underwriting discounts and commissions and issuance costs. The balance of our 3.50% Senior Notes at December 31, 2015 was $346.7 million, which is reflective of $3.0 million of debt issuance costs and a $0.3 million discount. 5.375% Senior Notes In September 2010, we issued $350 million of 5.375% Senior Notes due in September 2020. We received net proceeds of $345 million after deducting underwriting discounts and commissions and other expenses. We used approximately $250 million of the net proceeds from the sale of the notes to meet obligations due on our 3.875% Convertible Notes, which matured in April 2011. The remaining net proceeds were used for general corporate purposes, including working capital. 6.05% Subordinated Notes In May 2007, the Bank issued 6.05% Subordinated Notes, due in June 2017, in an aggregate principal amount of $250 million ("6.05% Subordinated Notes"). Concurrent with the issuance of the 6.05% Subordinated Notes, we entered into a fixed-to-variable interest rate swap agreement. See Note 14-“Derivative Financial Instruments” of the "Notes to the Consolidated Financial Statements" under Part II, Item 8 of this report for additional details. 7.0% Junior Subordinated Debentures In October 2003, we issued $50 million in 7.0% Junior Subordinated Debentures to a special-purpose trust, SVB Capital II. Distributions to SVB Capital II are cumulative and are payable quarterly at a fixed rate of 7.0 percent per annum of the face value of the junior subordinated debentures. Distributions for each of 2015, 2014 and 2013 were $3.5 million. The junior subordinated debentures are mandatorily redeemable upon maturity in October 2033, or may currently be redeemed prior to maturity in whole or in part, at our option, at any time. Issuance costs of $2.2 million related to the junior subordinated debentures were deferred and are being amortized over the period until mandatory redemption of the debentures in October 2033. Available Lines of Credit We have certain facilities in place to enable us to access short-term borrowings on a secured (using available-for-sale securities as collateral) and an unsecured basis. These include repurchase agreements and uncommitted federal funds lines with various financial institutions. As of December 31, 2015, we borrowed $135 million against our uncommitted federal funds lines. We also pledge securities to the FHLB of San Francisco and the discount window at the FRB. The market value of collateral pledged to the FHLB of San Francisco (comprised primarily of U.S. agency debentures) at December 31, 2015 totaled $1.3 billion, of which $0.6 billion was unused and available to support additional borrowings. The market value of collateral pledged at the discount window of the FRB at December 31, 2015 totaled $0.9 billion, all of which was unused and available to support additional borrowings. |
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Derivative Financial Instruments |
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| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative Financial Instruments | Derivative Financial Instruments We primarily use derivative financial instruments to manage interest rate risk, currency exchange rate risk, and to assist customers with their risk management objectives. Also, in connection with negotiating credit facilities and certain other services, we often obtain equity warrant assets giving us the right to acquire stock in private, venture-backed companies in the technology and life science/healthcare industries. Interest Rate Risk Interest rate risk is our primary market risk and can result from timing and volume differences in the repricing of our interest rate sensitive assets and liabilities and changes in market interest rates. To manage interest rate risk for our 6.05% Subordinated Notes, we entered into a fixed-for-floating interest rate swap agreement at the time of debt issuance based upon LIBOR with matched-terms. Net cash benefits associated with our interest rate swap is recorded as a reduction in “Interest expense—Borrowings,” a component of net interest income. The fair value of our interest rate swaps is calculated using a discounted cash flow method and adjusted for credit valuation associated with counterparty risk. Changes in fair value of the interest rate swaps are reflected in either other assets (for swaps in an asset position) or other liabilities (for swaps in a liability position). We assess hedge effectiveness under ASC 815, Derivatives and Hedging, using the long-haul method. Any differences associated with our interest rate swaps that arise as a result of hedge ineffectiveness are recorded through net gains on derivative instruments, in noninterest income, a component of consolidated net income. Currency Exchange Risk We enter into foreign exchange forward contracts to economically reduce our foreign exchange exposure risk associated with the net difference between foreign currency denominated assets and liabilities. We do not designate any foreign exchange forward contracts as derivative instruments that qualify for hedge accounting. Gains or losses from changes in currency rates on foreign currency denominated instruments are included in other noninterest income, a component of noninterest income. We may experience ineffectiveness in the economic hedging relationship, because the instruments are revalued based upon changes in the currency’s spot rate on the principal value, while the forwards are revalued on a discounted cash flow basis. We record forward agreements in gain positions in other assets and loss positions in other liabilities, while net changes in fair value are recorded through net gains on derivative instruments, in noninterest income, a component of consolidated net income. Additionally, through our global banking operations we maintain customer deposits denominated in a variety of global currencies, which are used to fund certain loans in these currencies to limit our exposure to currency fluctuations. Other Derivative Instruments Also included in our derivative instruments are equity warrant assets, loan conversion options, forward and option contracts, and interest rate contracts. For further description of these other derivative instruments, refer to Note 2-“Summary of Significant Accounting Policies." Counterparty Credit Risk We are exposed to credit risk if counterparties to our derivative contracts do not perform as expected. We mitigate counterparty credit risk through credit approvals, limits, monitoring procedures and obtaining collateral, as appropriate. With respect to measuring counterparty credit risk for derivative instruments, we measure the fair value of a group of financial assets and financial liabilities on a net risk basis by counterparty portfolio. The total notional or contractual amounts, fair value, collateral and net exposure of our derivative financial instruments at December 31, 2015 and 2014 were as follows:
A summary of our derivative activity and the related impact on our consolidated statements of income for 2015, 2014 and 2013 is as follows:
Balance Sheet Offsetting Certain of our derivative and other financial instruments are subject to enforceable master netting arrangements with our counterparties. These agreements provide for the net settlement of multiple contracts with a single counterparty through a single payment, in a single currency, in the event of default on or termination of any one contract. The following table summarizes our assets subject to enforceable master netting arrangements as of December 31, 2015 and 2014:
The following table summarizes our liabilities subject to enforceable master netting arrangements as of December 31, 2015 and 2014:
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Other Noninterest Income (Loss) and Other Noninterest Expense |
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| Other Income and Expenses [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Noninterest Income (Loss) and Other Noninterest Expense | Other Noninterest Income (Loss) and Other Noninterest Expense A summary of other noninterest (loss) income for 2015, 2014 and 2013 is as follows:
A summary of other noninterest expense for 2015, 2014 and 2013 is as follows:
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Income Taxes |
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| Income Tax Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Income Taxes | Income Taxes We are subject to income tax in the U.S. federal jurisdiction and various state and foreign jurisdictions and have identified our federal tax return and tax returns in California and Massachusetts as major tax filings. Our U.S. federal tax returns for 2012 and subsequent years remain open to full examination. Our California and Massachusetts tax returns for 2011 and subsequent tax years remain open to full examination. The components of our provision for income taxes for 2015, 2014 and 2013 were as follows:
Our effective tax rate is calculated by dividing income tax expense by the sum of income before income tax expense and the net income attributable to noncontrolling interests. The reconciliation between the federal statutory income tax rate and our effective income tax rate for 2015, 2014 and 2013, is as follows:
Deferred tax assets and liabilities at December 31, 2015 and 2014, consisted of the following:
At December 31, 2015 and 2014, federal net operating loss carryforwards totaled $10 million and $16 million, respectively. State net operating loss carryforwards totaled $2 million and $6 million as of December 31, 2015 and 2014, respectively. Our foreign net operating loss carryforwards totaled $4 million and $13 million at December 31, 2015 and 2014, respectively. These net operating loss carryforwards expire at various dates beginning in 2019. A portion of our net operating loss carryforwards will be subject to provisions of the tax law that limits the use of losses that existed at the time there is a change in control of an enterprise. At December 31, 2015, the amount of our federal net operating loss carryforwards subject to these limitations was $5 million. At December 31, 2015, none of our state net operating loss carryforwards are subject to these limitations. Currently, we believe that it is more likely than not that the benefit from these net operating loss carryforwards, which are associated with our former eProsper business unit, part of SVB Analytics, and our UK operations, will not be realized in the near term due to uncertainties in the timing of future profitability in those businesses. In recognition of this, our valuation allowance is $5 million on the deferred tax assets related to these net operating loss carryforwards and research and development credits at December 31, 2015. We believe it is more likely than not that the remaining deferred tax assets will be realized through recovery of taxes previously paid and/or future taxable income. Therefore, no valuation allowance was provided for the remaining deferred tax assets. At December 31, 2015, our unrecognized tax benefit was $3 million, the recognition of which would reduce our income tax expense by $2 million. We do not expect that our unrecognized tax benefit will materially change in the next 12 months. A summary of changes in our unrecognized tax benefit (including interest and penalties) in 2015 is as follows:
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Related Parties |
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Dec. 31, 2015 | |
| Related Party Transactions [Abstract] | |
| Related Parties | Related Parties During 2015, the Bank made loans to related parties, including certain companies in which certain of our directors or their affiliated venture funds are beneficial owners of ten percent or more of the equity securities of such companies. Such loans: (a) were made in the ordinary course of business; (b) were made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with other non-related persons; and (c) did not involve more than the normal risk of collectability or present other unfavorable features. Additionally, we also provide real estate secured loans to eligible employees through our EHOP. For additional details, see Note 9—"Loans and Allowance for Loan Losses" of the "Notes to the Consolidated Financial Statements" under Part II, Item 8 of this report. |
Employee Compensation and Benefit Plans |
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| Compensation and Retirement Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Employee Compensation and Benefit Plans | Employee Compensation and Benefit Plans Our employee compensation and benefit plans include: (i) Incentive Compensation Plan; (ii) Direct Drive Incentive Compensation Plan; (iii) Retention Program; (iv) Warrant Incentive Plan; (v) Deferred Compensation Plan; (vi) 401(k) and ESOP; (vii) EHOP; (viii) 2006 Incentive Plan; and (ix) ESPP. The 2006 Incentive Plan and the ESPP are described in Note 4–“Share-Based Compensation.” A summary of expenses incurred under certain employee compensation and benefit plans for 2015, 2014 and 2013 is as follows:
Incentive Compensation Plan Our Incentive Compensation Plan (“ICP”) is an annual cash incentive plan that rewards performance based on our financial results and other performance criteria. Awards are made based on company performance, the employee's target bonus level, and management's assessment of individual employee performance. Direct Drive Incentive Compensation Plan The Direct Drive Incentive Compensation Plan (“Direct Drive”) is an annual sales cash incentive program. Awards are based on sales teams' performance to predetermined financial targets and other company/individual performance criteria. Actual awards for each sales team member under Direct Drive are based on: (i) the actual results and financial performance with respect to the incentive gross profit targets; (ii) the sales team payout targets; and (iii) the sales team member's sales position and team payout allocation. Retention Program The Retention Program (“RP”) is a long-term incentive plan that allows designated employees to share directly in our investment success. Plan participants were granted an interest in the distributions of gains from certain designated investments made by us during the applicable year. Specifically, participants share in: (i) returns from designated investments made by us, including investments in certain venture capital and private equity funds, debt funds, and direct equity investments in companies; (ii) income realized from the exercise of, and the subsequent sale of shares obtained through the exercise of, warrants held by us; and (iii) other designated amounts as determined by us. Since 2009, no new participants have been added and no new investments have been designated to the plan. Warrant Incentive Plan The Warrant Incentive Plan provides individual and team awards to those employees who negotiate warrants on our behalf. Designated participants, as determined by the Company, share in the cash proceeds received by the Company from the exercise of equity warrant assets. Deferred Compensation Plan Under the Deferred Compensation Plan (the “DC Plan”), eligible employees may elect to defer up to 50 percent of their base salary and/or up to 100 percent of any eligible bonus payment to which they are entitled, for a period of 12 consecutive months, beginning January 1 and ending December 31. Any amounts deferred under the DC Plan will be invested and administered by us (or such person we designate). We do not match employee deferrals to the DC Plan. From time to time, we may also offer deferred special retention incentives under this plan to key plan participants. The deferred incentives are eligible for investment in the DC Plan during the retention qualifying period. Voluntary deferrals under the DC Plan were $3.7 million $3.9 million and $3.6 million in 2015, 2014 and 2013, respectively. As of December 31, 2015, special retention incentives totaled $11.5 million. The DC Plan overall, had investment losses of $0.1 million in 2015, gains of $1.4 million in 2014 and gains of $3.1 million in 2013. 401(k) and ESOP The 401(k) Plan and ESOP, collectively referred to as the “Plan”, is a combined 401(k) tax-deferred savings plan and employee stock ownership plan in which all regular U.S. employees are eligible to participate. Employees participating in the 401(k) Plan are allowed to contribute up to 75 percent of their pre-tax pay as defined in the Plan, up to the maximum annual amount allowable under federal income tax regulations of $18,000 for the year 2015 and $17,500 for 2014 and 2013. We match the employee's contributions dollar-for-dollar, up to 5 percent of the employee's pre-tax pay as defined in the Plan. Our matching contributions vest immediately. The amount of salary deferred, up to the allowed maximum, is not subject to federal or state income taxes at the time of deferral. Discretionary ESOP contributions, based on our company performance, are made by us to all eligible individuals employed by us on the last day of the fiscal year. We may elect to contribute cash or our common stock (or a combination of cash and stock), in an amount not exceeding 10 percent of the employee's eligible pay earned in the fiscal year. The ESOP contributions vest in equal annual increments over a participant's first five years of service (thereafter, all subsequent ESOP contributions are fully vested). EHOP The EHOP is a benefit plan that provides for the issuance of mortgage loans at favorable interest rates to eligible employees. Eligible employees may apply for a fixed-rate mortgage for their primary residence, which is due and payable in either five or seven years and is based on amortization over a 30 year period. Applicants must qualify for a loan through the normal mortgage review and approval process, which is typical of industry standards. The maximum loan amount generally cannot be greater than 80 percent of the lesser of the purchase price or the appraised value. The interest rate on the loan is written at the then market rate for five year (5/1) or seven year (7/1) mortgage loans as determined by us. However, provided that the applicant continues to meet all the eligibility requirements, including employment, the actual rate charged to the borrower shall be up to 2 percent below the market rate. The loan rate shall not be less than the greater of either the jumbo conforming market rate (corresponding to the maturity of the loan) or the monthly Applicable Federal Rate for medium-term loans as published by the Internal Revenue Service. The loan rate will be fixed at the time of approval and locked in for 30 days. |
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Off-Balance Sheet Arrangements, Guarantees and Other Commitments |
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| Disclosure Off Balance Sheet Arrangements Guarantees And Other Commitments Additional Information [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Off-Balance Sheet Arrangements, Guarantees and Other Commitments | Off-Balance Sheet Arrangements, Guarantees and Other Commitments Operating Leases We are obligated under a number of noncancelable operating leases for premises and equipment that expire at various dates, through 2030, and in most instances, include options to renew or extend at market rates and terms. Such leases may provide for periodic adjustments of rentals during the term of the lease based on changes in various economic indicators. The following table presents minimum future payments under noncancelable operating leases as of December 31, 2015:
Rent expense for premises and equipment leased under operating leases totaled $21.9 million, $20.3 million and $16.3 million in 2015, 2014 and 2013, respectively. Commitments to Extend Credit A commitment to extend credit is a formal agreement to lend funds to a client as long as there is no violation of any condition established in the agreement. Such commitments generally have fixed expiration dates, or other termination clauses, and usually require a fee paid by the client upon us issuing the commitment. The following table summarizes information related to our commitments to extend credit at December 31, 2015 and 2014, respectively:
Our potential exposure to credit loss for commitments to extend credit, in the event of nonperformance by the other party to the financial instrument, is the contractual amount of the available unused loan commitment. We use the same credit approval and monitoring process in extending credit commitments as we do in making loans. The actual liquidity needs and the credit risk that we have experienced have historically been lower than the contractual amount of commitments to extend credit because a significant portion of these commitments expire without being drawn upon. We evaluate each potential borrower and the necessary collateral on an individual basis. The type of collateral varies, but may include real property, intellectual property, bank deposits, or business and personal assets. The credit risk associated with these commitments is considered in the reserve for unfunded credit commitments. Commercial and Standby Letters of Credit Commercial and standby letters of credit represent conditional commitments issued by us on behalf of a client to guarantee the performance of the client to a third party when certain specified future events have occurred. Commercial letters of credit are issued primarily for inventory purchases by a client and are typically short-term in nature. We provide two types of standby letters of credit: performance and financial standby letters of credit. Performance standby letters of credit are issued to guarantee the performance of a client to a third party when certain specified future events have occurred and are primarily used to support performance instruments such as bid bonds, performance bonds, lease obligations, repayment of loans, and past due notices. Financial standby letters of credit are conditional commitments issued by us to guarantee the payment by a client to a third party (beneficiary) and are primarily used to support many types of domestic and international payments. These standby letters of credit have fixed expiration dates and generally require a fee to be paid by the client at the time we issue the commitment. Fees generated from these standby letters of credit are recognized in noninterest income over the commitment period using the straight-line method. The credit risk involved in issuing letters of credit is essentially the same as that involved with extending credit commitments to clients, and accordingly, we use a credit evaluation process and collateral requirements similar to those for credit commitments. Our standby letters of credit often are cash secured by our clients. The actual liquidity needs and the credit risk that we have experienced historically have been lower than the contractual amount of letters of credit issued because a significant portion of these conditional commitments expire without being drawn upon. The table below summarizes our commercial and standby letters of credit at December 31, 2015. The maximum potential amount of future payments represents the amount that could be remitted under letters of credit if there were a total default by the guaranteed parties, without consideration of possible recoveries under recourse provisions or from the collateral held or pledged.
Deferred fees related to financial and performance standby letters of credit were $10 million at December 31, 2015 and $8 million at December 31, 2014. At December 31, 2015, collateral in the form of cash of $652 million and available-for-sale securities of $0.5 million were available to us to reimburse losses, if any, under financial and performance standby letters of credit. Commitments to Invest in Venture Capital and Private Equity Funds We make commitments to invest in venture capital and private equity funds, which in turn make investments generally in, or in some cases make loans to, privately-held companies. Commitments to invest in these funds are generally made for a 10-year period from the inception of the fund. Although the limited partnership agreements governing these investments typically do not restrict the general partners from calling 100% of committed capital in one year, it is customary for these funds to generally call most of the capital commitments over 5 to 7 years; however in certain cases, the funds may not call 100% of committed capital over the life of the fund. The actual timing of future cash requirements to fund these commitments is generally dependent upon the investment cycle, overall market conditions, and the nature and type of industry in which the privately held companies operate. The following table details our total capital commitments, unfunded capital commitments, and our ownership percentage in each fund at December 31, 2015:
The following table details the amounts of remaining unfunded commitments to venture capital and private equity funds by our consolidated managed funds of funds (including our interest and the noncontrolling interests) at December 31, 2015:
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Fair Value of Financial Instruments |
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| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value of Financial Instruments | Fair Value of Financial Instruments Fair Value Measurements Our available-for-sale securities, derivative instruments and certain non-marketable and other securities are financial instruments recorded at fair value on a recurring basis. We make estimates regarding valuation of assets and liabilities measured at fair value in preparing our consolidated financial statements. We disclose our method and approach for fair value measurements of assets and liabilities in Note 2-“Summary of Significant Accounting Policies”. The following fair value hierarchy table presents information about our assets and liabilities that are measured at fair value on a recurring basis as of December 31, 2015:
The following fair value hierarchy table presents information about our assets and liabilities that are measured at fair value on a recurring basis as of December 31, 2014:
The following table presents additional information about Level 3 assets measured at fair value on a recurring basis for 2015, 2014 and 2013, respectively:
The following table presents the amount of unrealized gains (losses) included in earnings (which is inclusive of noncontrolling interest) attributable to Level 3 assets still held at December 31, 2015 and December 31, 2014, respectively:
The extent to which any unrealized gains will become realized is subject to a variety of factors, including, among other things, the expiration of current sales restrictions to which these securities are subject, the actual sales of securities and the timing of such actual sales. The following table presents quantitative information about the significant unobservable inputs used for certain of our Level 3 fair value measurements at December 31, 2015 and 2014. We have not included in this table our venture capital and private equity fund investments (fair value accounting) as we use net asset value per share (as obtained from the general partners of the investments) as a practical expedient to determine fair value.
During 2015, 2014 and 2013 there were no transfers between Level 2 and Level 1. During 2015, there were no transfers in our other venture capital investments from Level 3 to Level 2. Transfers of our non-marketable and other securities from Level 3 to Level 2 for 2014 and 2013 included $380.1 million and $3.6 million, respectively, as a result of the expiration of lock-up, and other sales restrictions on certain of our other securities and venture capital investments. During 2013, a new sales restriction discount was applied to the valuation of public equity warrant assets, which were subject to certain sales restrictions. The application of this discount resulted in a transfer of $24.2 million of public equity warrant assets from Level 2 to Level 3. All other transfers from Level 3 to Level 2 during 2015, 2014 and 2013 were due to the transfer of equity warrant assets from our private portfolio to our public portfolio (see our Level 3 reconciliation above). All amounts reported as transfers represent the fair value as of the date of the change in circumstances that caused the transfer. Assets and Liabilities Recorded at Fair Value on a Nonrecurring Basis Net long-lived assets held-for-sale The fair value of assets held-for-sale is estimated by their net realizable value, which represents the potential sales price less costs to sell. Valuation techniques utilized are significant assumptions not observable in the market, accordingly, we classify these assets as Level 3. At December 31, 2014, the carrying value and fair value of our net long-lived assets held-for-sale was $44.3 million and $45.4 million, respectively. The sale of our assets held-for-sale was completed on April 13, 2015 and no held-for-sale operations remain at December 31, 2015. Financial Instruments not Carried at Fair Value FASB guidance over financial instruments requires that we disclose estimated fair values for our financial instruments not carried at fair value. Fair value estimates, methods and assumptions, set forth below for our financial instruments, are made solely to comply with these requirements. Fair values are based on estimates or calculations at the transaction level using present value techniques in instances where quoted market prices are not available. Because broadly traded markets do not exist for many of our financial instruments, the fair value calculations attempt to incorporate the effect of current market conditions at a specific time. The aggregation of the fair value calculations presented herein does not represent, and should not be construed to represent, the underlying value of the Company. The following describes the methods and assumptions used in estimating the fair values of financial instruments for which carrying value approximates fair value and assets and liabilities measured at fair value on a nonrecurring basis and excludes financial instruments already recorded at fair value as described above. Financial Instruments for which Carrying Value Approximates Fair Value Certain financial instruments that are not carried at fair value on the Consolidated Balance Sheets are carried at amounts that approximate fair value, due to their short-term nature and generally negligible credit risk. These instruments include cash and cash equivalents; FHLB and FRB stock; accrued interest receivable; short-term borrowings; short-term time deposits; and accrued interest payable. In addition, U.S. GAAP requires that the fair value of deposit liabilities with no stated maturity (i.e., demand, savings and certain money market deposits) be equal to their carrying value; recognition of the inherent funding value of these instruments is not permitted. Estimated Fair Values of Financial Instruments Not Recorded at Fair Value on a Recurring Basis Held-to-Maturity Securities Held-to-maturity securities include similar investments held in our available-for-sale securities portfolio and are valued using the same methodologies. All securities included in our held-to-maturity securities portfolio are valued using Level 2 inputs. See Level 2 fair value measurements in Note 2- “Summary of Significant Accounting Policies” for significant inputs used in the valuation of our held-to-maturity investment securities. Non-Marketable (Cost and Equity Method Accounting) Non-marketable securities includes other investments (equity method accounting), venture capital and private equity fund investments (cost method accounting) and other venture capital investments (cost method accounting). Other investments (equity method accounting) includes our investment in SPD-SVB, our joint venture bank in China. At this time, the carrying value of our investment in SPD-SVB is a reasonable estimate of fair value. The fair value of the remaining other investments (equity method accounting) and the fair value of venture capital and private equity fund investments (cost method accounting) and other venture capital investments (cost method accounting) is based on financial information obtained from the investee or obtained from the fund investments’ or debt fund investments’ respective general partners. For private company investments, estimated fair value is based on consideration of a range of factors including, but not limited to, the price at which the investment was acquired, the term and nature of the investment, local market conditions, values for comparable securities, current and projected operating performance, exit strategies, and financing transactions subsequent to the acquisition of the investment. For our fund investments, we utilize the net asset value per share as obtained from the general partners of the investments. We adjust the net asset value per share for differences between our measurement date and the date of the fund investment’s net asset value by using the most recently available financial information from the investee general partner, for example September 30th, for our December 31st consolidated financial statements, adjusted for any contributions paid, distributions received from the investment, and significant fund transactions or market events during the reporting period. Loans The fair value of fixed and variable rate loans is estimated by discounting contractual cash flows using rates that reflect current pricing for similar loans and the projected forward yield curve. This method is not based on the exit price concept of fair value required under ASC 820, Fair Value Measurements and Disclosures. Long-Term Deposits The fair value of long-term time deposits is estimated by discounting the cash flows using our cost of borrowings and the projected forward yield curve over their remaining contractual term. Long-Term Debt The fair value of long-term debt is generally based on quoted market prices, when available, or is estimated based on calculations utilizing third party pricing services and current market spread, price indications from reputable dealers or observable market prices of the underlying instrument(s), whichever is deemed more reliable. Also included in the estimated fair value of our 6.05% Subordinated Notes are amounts related to hedge accounting associated with the notes. Off-Balance Sheet Financial Instruments The fair value of net available commitments to extend credit is estimated based on the average amount we would receive or pay to execute a new agreement with identical terms and pricing, while taking into account the counterparties’ credit standing. Letters of credit are carried at their fair value, which is equivalent to the residual premium or fee at December 31, 2015 and 2014. Commitments to extend credit and letters of credit typically result in loans with a market interest rate if funded. The following fair value hierarchy table presents the estimated fair values of our financial instruments that are not carried at fair value at December 31, 2015 and 2014:
Investments in Entities that Calculate Net Asset Value Per Share FASB guidance over certain fund investments requires that we disclose the fair value of funds, significant investment strategies of the investees, redemption features of the investees, restrictions on the ability to sell investments, estimate of the period of time over which the underlying assets are expected to be liquidated by the investee, and unfunded commitments related to the investments. Our investments in debt funds and venture capital and private equity fund investments generally cannot be redeemed. Alternatively, we expect distributions, if any, to be received primarily through IPOs and M&A activity of the underlying assets of the fund. We currently do not have any plans to sell any of these fund investments. If we decide to sell these investments in the future, the investee fund’s management must approve of the buyer before the sale of the investments can be completed. The fair values of the fund investments have been estimated using the net asset value per share of the investments, adjusted for any differences between our measurement date and the date of the fund investment’s net asset value by using the most recently available financial information from the investee general partner, for example September 30th, for our December 31st consolidated financial statements, adjusted for any contributions paid, distributions received from the investment, and significant fund transactions or market events during the reporting period. The following table is a summary of the estimated fair values of these investments and remaining unfunded commitments for each major category of these investments as of December 31, 2015:
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Regulatory Matters |
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| Banking and Thrift [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Regulatory Matters | Regulatory Matters The Company and the Bank are subject to various regulatory capital adequacy requirements administered by the Federal Reserve Board and the California Department of Business Oversight - Division of Financial Institutions. The Federal Deposit Insurance Corporation Improvement Act of 1991 (“FDICIA”) required that the federal regulatory agencies adopt regulations defining five capital categories for banks: well capitalized, adequately capitalized, undercapitalized, significantly undercapitalized and critically undercapitalized. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on our consolidated financial statements. Quantitative measures, established by the regulators to ensure capital adequacy, require that SVB Financial Group and the Bank maintain minimum ratios (set forth in the table below) of capital to risk-weighted assets. Effective January 1, 2015, SVB Financial Group and the Bank became subject to a new regulatory capital measure called "Common Equity Tier 1" and a related regulatory capital ratio of CET 1 to risk-weighted assets implemented under "Basel III" regulatory capital reforms and changes required by the Dodd-Frank Act. There are three categories of capital under the new Basel III standards; 1) CET 1, 2) additional tier 1 and 3) tier 2. CET 1 includes common stock plus related surplus and retained earnings, less certain deductions. Additional tier 1 capital includes qualifying preferred stock and trust preferred securities, less certain deductions. Additional tier 1, together with CET 1, equal total tier 1 capital. Tier 2 capital includes primarily certain qualifying unsecured subordinated debt and qualifying allowances for loan and lease losses. Tier 1 capital, together with Tier 2 capital, equal total capital. As of December 31, 2015, both SVB Financial and the Bank were considered “well-capitalized” for regulatory purposes under existing capital guidelines. There are no conditions or events since that date that management believes would have a material impact on that capital category. The following table presents the capital ratios for the Company and the Bank under federal regulatory guidelines, compared to the minimum regulatory capital requirements for an adequately capitalized and a well-capitalized depository institution, as of December 31, 2015 and 2014:
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Segment Reporting |
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Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segment Reporting [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segment Reporting | Segment Reporting We have three reportable segments for management reporting purposes: Global Commercial Bank, SVB Private Bank and SVB Capital. The results of our operating segments are based on our internal management reporting process. Our operating segments’ primary source of revenue is from net interest income, which is primarily the difference between interest earned on loans, net of funds transfer pricing and interest paid on deposits, net of FTP. Accordingly, our segments are reported using net interest income, net of FTP. FTP is an internal measurement framework designed to assess the financial impact of a financial institution’s sources and uses of funds. It is the mechanism by which an earnings credit is given for deposits raised, and an earnings charge is made for funded loans. FTP is calculated at an instrument level based on account characteristics. We also evaluate performance based on provision for loan losses, noninterest income and noninterest expense, which are presented as components of segment operating profit or loss. In calculating each operating segment’s noninterest expense, we consider the direct costs incurred by the operating segment as well as certain allocated direct costs. As part of this review, we allocate certain corporate overhead costs to a corporate account. We do not allocate income taxes to our segments. Additionally, our management reporting model is predicated on average asset balances; therefore, period-end asset balances are not presented for segment reporting purposes. Changes in an individual client’s primary relationship designation have resulted, and in the future may result, in the inclusion of certain clients in different segments in different periods. Unlike financial reporting, which benefits from the comprehensive structure provided by GAAP, our internal management reporting process is highly subjective, as there is no comprehensive, authoritative guidance for management reporting. Our management reporting process measures the performance of our operating segments based on our internal operating structure, which is subject to change from time to time, and is not necessarily comparable with similar information for other financial services companies. For reporting purposes, SVB Financial Group has three operating segments for which we report our financial information (for further description of these reportable segments, refer to "Business–Business Overview" under Part I, Item 1 of this report):
The summary financial results of our operating segments are presented along with a reconciliation to our consolidated results. Our segment information for 2015, 2014 and 2013 is as follows:
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Parent Company Only Condensed Financial Information |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Condensed Financial Information of Parent Company Only Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Parent Company Only Condensed Financial Information | Parent Company Only Condensed Financial Information The condensed balance sheets of SVB Financial at December 31, 2015 and 2014, and the related condensed statements of income, comprehensive income and cash flows for 2015, 2014 and 2013, are presented below. Condensed Balance Sheets
Condensed Statements of Income
Condensed Statements of Comprehensive Income
Condensed Statements of Cash Flows
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Unaudited Quarterly Financial Data |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Quarterly Financial Information Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Unaudited Quarterly Financial Data | Unaudited Quarterly Financial Data Our supplemental consolidated financial information for each three month period in 2015 and 2014 are as follows:
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Legal Matters |
12 Months Ended |
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Dec. 31, 2015 | |
| Commitments and Contingencies Disclosure [Abstract] | |
| Legal Matters | Legal Matters Certain lawsuits and claims arising in the ordinary course of business have been filed or are pending against us or our affiliates. In accordance with applicable accounting guidance, we establish accruals for all lawsuits, claims and expected settlements when we believe it is probable that a loss has been incurred and the amount of the loss is reasonably estimable. When a loss contingency is not both probable and estimable, we do not establish an accrual. Any such loss estimates are inherently uncertain, based on currently available information and are subject to management’s judgment and various assumptions. Due to the inherent subjectivity of these estimates and unpredictability of outcomes of legal proceedings, any amounts accrued may not represent the ultimate resolution of such matters. To the extent we believe any potential loss relating to such lawsuits and claims may have a material impact on our liquidity, consolidated financial position, results of operations, and/or our business as a whole and is reasonably possible but not probable, we disclose information relating to any such potential loss, whether in excess of any established accruals or where there is no established accrual. We also disclose information relating to any material potential loss that is probable but not reasonably estimable. Where reasonably practicable, we will provide an estimate of loss or range of potential loss. No disclosures are generally made for any loss contingencies that are deemed to be remote. Based upon information available to us, our review of lawsuits and claims filed or pending against us to date and consultation with our outside legal counsel, we have not recognized a material accrual liability for these matters, nor do we currently expect it is reasonably possible that these matters will result in a material liability to the Company. However, the outcome of litigation and other legal and regulatory matters is inherently uncertain, and it is possible that one or more of such matters currently pending or threatened could have an unanticipated material adverse effect on our liquidity, consolidated financial position, results of operations, and/or our business as a whole, in the future. |
Summary of Significant Accounting Policies (Policies) |
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Dec. 31, 2015 | |||||||||||||||||||||||||||||||||||||||||
| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||
| Use of Estimates and Assumptions | Use of Estimates and Assumptions The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Estimates may change as new information is obtained. Significant items that are subject to such estimates include measurements of fair value, the valuation of non-marketable and other securities, the valuation of equity warrant assets, the adequacy of the allowance for loan losses and reserve for unfunded credit commitments and the recognition and measurement of income tax assets and liabilities. The following discussion provides additional background on our significant accounting policies. |
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| Principles of Consolidation and Presentation | Principles of Consolidation and Presentation Prior to April 1, 2015, the Company’s consolidated financial statements included the accounts of SVB Financial Group and entities in which we had a controlling interest. The determination of whether we had a controlling interest was based on consolidation principles prescribed by ASC Topic 810, Consolidation, and whether the controlling interest in an entity was a voting interest entity or a variable interest entity (“VIE”). However, during the three months ended June 30, 2015, we early adopted the provisions of ASU 2015-02, Amendments to the Consolidation Analysis (ASU 2015-02)(see "Adoption of New Accounting Standards" below), which simplifies consolidation accounting by reducing the number of consolidation models and changing various aspects of current GAAP, including certain consolidation criteria for variable interest entities. The new guidance eliminates the presumption that a general partner of a limited partnership arrangement should consolidate a limited partnership. The amendments to ASC Topic 810 in ASU 2015-02 modify the evaluation of whether limited partnerships and similar entities are VIEs or voting entities. With these changes, we determined that the majority of our investments in limited partnership arrangements are VIEs under the new guidance while these entities were typically voting interest entities under the prior guidance. ASU 2015-02 provided a single model for evaluating VIE entities for consolidation. VIEs are entities where investors lack sufficient equity at risk for the entity to finance its activities without additional subordinated financial support or equity investors, as a group, lack one of the following characteristics: (a) the power to direct the activities that most significantly impact the entity’s economic performance, (b) the obligation to absorb the expected losses of the entity, or (c) the right to receive the expected returns of the entity. We assess VIEs to determine if we are the primary beneficiary of a VIE. A primary beneficiary is defined as a variable interest holder that has a controlling financial interest. A controlling financial interest requires both: (a) the power to direct the activities that most significantly impact the VIEs economic performance, and (b) the obligation to absorb losses or receive benefits of a VIE that could potentially be significant to a VIE. Under this analysis, we also evaluate kick-out rights and other participating rights, which could provide us a controlling financial interest. The primary beneficiary of a VIE is required to consolidate the VIE. ASU 2015-02 also changed how we evaluate fees paid to managers of our limited partnership investments. Under the new guidance, we exclude those fee arrangements that are not deemed to be variable interests from the analysis of our interests in our investments in VIEs and the determination of a primary beneficiary, if any. Fee arrangements based on terms that are customary and commensurate with the services provided are deemed not to be variable interests and are, therefore, excluded. Our consolidated financial statements include the accounts of SVB Financial Group and consolidated entities. We consolidate voting entities in which we have control through voting interests. We determine whether we have a controlling financial interest in a VIE by determining if we have the power to direct the activities of the VIE that most significantly impact the entity’s economic performance and whether we have significant variable interests. Generally, we have significant variable interests if our commitments to a limited partnership investment represent a significant amount of the total commitments to the entity. We also evaluate the impact of related parties on our determination of variable interests in our consolidation conclusions. We consolidate VIEs in which we are the primary beneficiary based on a controlling financial interest. If we are not the primary beneficiary of a VIE, we record our pro-rata interests or our cost basis in the VIE, as appropriate, based on other accounting guidance within GAAP. All significant intercompany accounts and transactions with consolidated entities have been eliminated. We have not provided financial or other support during the periods presented to any VIE that we were not previously contractually required to provide. |
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| Cash and Cash Equivalents | Cash and Cash Equivalents Cash and cash equivalents consist of cash on hand, cash balances due from banks, interest-earning deposits, Federal Reserve deposits, federal funds sold, securities purchased under agreements to resell and other short-term investment securities. For the consolidated statements of cash flows, we consider cash equivalents to be investments that are readily convertible to known amounts of cash, so near to their maturity that they present an insignificant risk of change in fair value due to changes in market interest rates, and purchased in conjunction with our cash management activities. |
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| Available-for-Sale Securities | Available-for-Sale Securities Our available-for-sale securities portfolio is a fixed income investment portfolio that is managed to earn an appropriate portfolio yield over the long-term while maintaining sufficient liquidity and credit diversification as well as addressing our asset/liability management objectives. Unrealized gains and losses on available-for-sale securities, net of applicable taxes, are reported in accumulated other comprehensive income, which is a separate component of SVBFG's stockholders' equity, until realized. We analyze available-for-sale securities for other-than-temporary impairment each quarter. Market valuations represent the current fair value of a security at a specified point in time and incorporates the risk of timing of interest due and the return of principal over the contractual life of each security. Gains and losses on securities are realized when there is a sale of the security prior to maturity. A credit downgrade represents an increased level of risk of other-than-temporary impairment, and as a part of our consideration of recording an other-than-temporary impairment we will assess the issuer's ability to service the debt and to repay the principal at contractual maturity. We apply the other-than-temporary impairment standards of ASC 320, Investments-Debt and Equity Securities. For our debt securities, we have the intent and ability to hold these securities until we recover our cost less any credit-related loss. We separate the amount of the other-than-temporary impairment, if any, into the amount that is credit related (credit loss component) and the amount due to all other factors. The credit loss component is recognized in earnings and is the difference between a security's amortized cost basis and the present value of expected future cash flows discounted at the security's effective interest rate. The amount due to all other factors is recognized in other comprehensive income. We consider numerous factors in determining whether a credit loss exists and the period over which the debt security is expected to recover. The following list is not meant to be all inclusive. All of the following factors are considered:
In accordance with ASC 310-20, Receivables-Nonrefundable Fees and Other Costs, we use estimates of future principal prepayments, provided by third-party market-data vendors, in addition to actual principal prepayment experience to calculate the constant effective yield necessary to apply the effective interest method in the amortization of purchase discounts or premiums on mortgage-backed securities and fixed rate collateralized mortgage obligations (“CMO”). The accretion and amortization of discounts and premiums, respectively, are included in interest income over the contractual terms of the underlying securities replicating the effective interest method. |
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| Marketable Securities, Held-to-maturity Securities, Policy | Held-to-Maturity Securities Debt securities purchased in which we have the positive intent and ability to hold to its maturity are classified as held-to-maturity securities and are recorded at amortized cost. During the second quarter of 2014, we re-designated certain securities from the classification of "available-for-sale" ("AFS") to "held-to-maturity" ("HTM"). Transfers of investment securities into the held-to-maturity category from the available-for-sale category are made at fair value at the date of transfer. The unrealized gains (losses), net of tax, are retained in other comprehensive income, and the carrying value of the held-to-maturity securities are amortized over the life of the securities in a manner consistent with the amortization of a premium or discount. Our decision to re-designate the securities was based on our ability and intent to hold these securities to maturity. |
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| Non-Marketable and Other Securities | Non-Marketable and Other Securities Non-marketable and other securities include investments in venture capital and private equity funds, debt funds, direct equity investments in companies and low income housing tax credit funds. A majority of these investments are managed through our SVB Capital funds business in funds of funds and direct venture funds. Our accounting for investments in non-marketable and other securities depends on several factors, including the level of ownership, power to control and the legal structure of the subsidiary making the investment. As further described below, we base our accounting for such securities on: (i) fair value accounting, (ii) equity method accounting, (iii) cost method accounting, and (iv) the proportional amortization method which is used only for low income housing tax credit funds. |
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| Fair Value Accounting | Fair Value Accounting Our managed funds are investment companies under the AICPA Audit and Accounting Guide for Investment Companies (codified in ASC 946) and accordingly, these funds report their investments at estimated fair value, with unrealized gains and losses resulting from changes in fair value reflected as investment gains or losses in our consolidated statements of income. Our non-marketable and other securities recorded pursuant to fair value accounting consist of our investments through the following funds:
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| Equity Method Investment | Equity Method Our equity method non-marketable securities consist of investments in venture capital and private equity funds, privately-held companies, debt funds, and joint ventures. Our equity method non-marketable securities and related accounting policies are described as follows:
We recognize our proportionate share of the results of operations of these equity method investees in our results of operations, based on the most current financial information available from the investee. We review our investments accounted for under the equity method at least quarterly for possible other-than-temporary impairment. Our review typically includes an analysis of facts and circumstances for each investment, the expectations of the investment's future cash flows and capital needs, variability of its business and the company's exit strategy. For our fund investments, we utilize the net asset value per share as provided by the general partners of the fund investments. We account for differences between our measurement date and the date of the fund investment's net asset value by using the most recent available financial information from the investee general partner, for example September 30th, for our December 31st consolidated financial statements. We adjust the value of our investments for any contributions paid, distributions received from the investment, and known significant fund transactions or market events about which we are aware through information provided by the fund managers or from publicly available transaction data during the reporting period. We reduce our investment value when we consider declines in value to be other-than-temporary and recognize the estimated loss as a loss on investment securities, a component of noninterest income. |
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| Cost Method Investment | Cost Method Our cost method non-marketable securities and related accounting policies are described as follows:
We record these investments at cost and recognize distributions or returns received from net accumulated earnings of the investee since the date of acquisition as income. Our share of net accumulated earnings of the investee after the date of investment are recognized in consolidated net income only to the extent distributed by the investee. Distributions or returns received in excess of accumulated earnings are considered a return of investment and are recorded as reductions in the cost basis of the investment. We review our investments accounted for under the cost method at least quarterly for possible other-than-temporary impairment. Our review typically includes an analysis of facts and circumstances of each investment, the expectations of the investment's future cash flows and capital needs, variability of its business and the company's exit strategy. To help determine impairment, if any, for our fund investments, we utilize the net asset value per share as provided by the general partners of the fund investments. We reduce our investment value when we consider declines in value to be other-than-temporary and recognize the estimated loss as a loss on investment securities, a component of noninterest income. Gains or losses on cost method investment securities that result from a portfolio company being acquired by a publicly traded company are determined using the fair value of the consideration received when the acquisition occurs. The resulting gains or losses are recognized in consolidated net income in the period of acquisition. Proportional Amortization Method In order to fulfill our responsibilities under the Community Reinvestment Act, we invest as a limited partner in low income housing partnerships that operate qualified affordable housing projects and generate tax benefits, including federal low income housing tax credits, for investors. The partnerships are deemed to be VIEs because they do not have sufficient equity investment at risk and are structured with non-substantive voting rights. We are not the primary beneficiary of the VIEs and do not consolidate them. Our investments in low income housing partnerships are recorded in non-marketable and other securities within our investment securities portfolio on the consolidated balance sheet. As a practical expedient, we amortize the investment in proportion to the allocated tax benefits under the proportional amortization method of accounting and present such benefits net of investment amortization in income tax expense. |
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| Loans | Loans Loans are reported at the principal amount outstanding, net of unearned loan fees. Unearned loan fees reflect unamortized deferred loan origination and commitment fees net of unamortized deferred loan origination costs. In addition to cash loan fees, we often obtain equity warrant assets that give us an option to purchase a position in a client company's stock in consideration for providing credit facilities. The grant date fair values of these equity warrant assets are deemed to be loan fees and are deferred as unearned income and recognized as an adjustment of loan yield through loan interest income. The net amount of unearned loan fees is amortized into loan interest income over the contractual terms of the underlying loans and commitments using the constant effective yield method, adjusted for actual loan prepayment experience, or the straight-line method, as applicable. |
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| Allowance for Loan Losses | Allowance for Loan Losses The allowance for loan losses considers credit risk and is established through a provision for loan losses charged to expense. Our allowance for loan losses is established for estimated loan losses that are probable but not yet realized. Our evaluation process is designed to determine that the allowance for loan losses is appropriate at the balance sheet date. The process of estimating loan losses is inherently imprecise. We maintain a systematic process for the evaluation of individual loans and pools of loans for inherent risk of loan losses. At the time of approval of a new loan, a Credit risk rating is assigned a Credit Risk Rating and industry niche. Credit Risk Ratings are assigned on a scale of 1 to 10, with 1 representing loans with a low risk of nonpayment, 9 representing loans with the highest risk of nonpayment, and 10 representing loans which have been charged-off. The credit risk ratings for each loan are monitored and updated on an ongoing basis. This Credit Risk Rating process includes, but is not limited to, consideration of such factors as payment status, the financial condition and operating performance of the borrower, borrower compliance with loan covenants, underlying collateral values and performance trends, the degree of access to additional capital, the presence of credit enhancements such as third party guarantees (where applicable), the degree to which the borrower is sensitive to external factors, the depth and experience of the borrower's management team, potential loan concentrations, and general economic conditions. Our policies require a committee of senior management to review, at least quarterly, credit relationships with a credit risk rating of 5 through 9 that exceed specific dollar values. Our review process evaluates the appropriateness of the credit risk rating and allocation of the allowance for loan losses, as well as other account management functions. The allowance for loan losses is determined based on a qualitative analysis and a formula allocation for similarly risk-rated loans by portfolio segment and individually for impaired loans. The formula allocation provides the average loan loss experience for each portfolio segment, which considers our quarterly historical loss experience since the year 2000, both by risk-rating category and client industry sector. The resulting loan loss factors for each risk-rating category and client industry sector are ultimately applied to the respective period-end client loan balances for each corresponding risk-rating category by client industry sector to provide an estimation of the allowance for loan losses. The probable loan loss experience for any one year period of time is reasonably expected to be greater or less than the average as determined by the loss factors. As such, management applies a qualitative allocation to the results of the aforementioned model to ascertain the total allowance for loan losses. This qualitative allocation is based on management's assessment of the risks that may lead to a future loan loss experience different from our historical loan loss experience. Based on management's prediction or estimate of changing risks in the lending environment, the qualitative allocation may vary significantly from period to period and includes, but is not limited to, consideration of the following factors:
While the evaluation process of our allowance for loan losses uses historical and other objective information, the classification of loans and the establishment of the allowance for loan losses rely, to a great extent, on the judgment and experience of our management. |
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| Commitments and Contingencies, Policy | Reserve for Unfunded Credit Commitments We record a liability for probable and estimable losses associated with our unfunded credit commitments being funded and subsequently being charged off. Each quarter, every unfunded client credit commitment is allocated to a credit risk-rating in accordance with each client's credit risk rating. We use the historical loan loss factors described under our allowance for loan losses to calculate the loan loss experience if unfunded credit commitments are funded. Separately, we use historical trends to calculate a probability of an unfunded credit commitment being funded. We apply the loan funding probability factor to risk-factor adjusted unfunded credit commitments by credit risk-rating to derive the reserve for unfunded credit commitments, similar to funded loans. The reserve for unfunded credit commitments also includes certain qualitative allocations as deemed appropriate by our management. We include the reserve for unfunded credit commitments in other liabilities and the related provision in other expenses. |
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| Uncollectible Loans and Write-offs | Uncollectible Loans and Write-offs Our charge-off policy applies to all loans, regardless of portfolio segment. Commercial loans are considered for a full or partial charge-off in the event that principal or interest is over 180 days past due and the loan lacks sufficient collateral and it is not in the process of collection, provided that a loss event has been defined and the charge-off is consistent with GAAP. Consumer loans are considered for a full or partial charge-off in the event that principal interest is over 120 days past due and the loan lacks sufficient collateral and it is not in the process of collection, provided that a loss event has been defined and the charge-off is consistent with GAAP. We also consider writing off loans in the event of any of the following circumstances: 1) the loan, or a portion of the loan is deemed uncollectible due to: a) the borrower's inability to make recurring payments, b) material changes in the borrower's financial condition, c) the expected sale of all or a portion of the borrower's business is insufficient to repay the loan in full, or 2) the loan has been identified for charge-off by regulatory authorities |
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| Troubled Debt Restructurings (TDRs) | Troubled Debt Restructurings A TDR arises from the modification of a loan where we have granted a concession to the borrower related to the borrower's financial difficulties that we would not have otherwise considered for economic or legal reasons. These concessions may include: (1) deferral of payment for more than an insignificant period of time that does not include sufficient offsetting borrower concessions; (2) interest rate reductions; (3) extension of the maturity date outside of ordinary course extension; (4) principal forgiveness; and or (5) reduction of accrued interest. We use the factors in ASC 310-40, Receivables, Troubled Debt Restructurings by Creditors, to help determine when a borrower is experiencing financial difficulty, and when we have granted a concession, both of which must be present for a restructuring to meet the criteria of a TDR. If we determine that a TDR exists, we measure impairment based on the present value of expected future cash flows discounted at the loan's effective interest rate, except that as a practical expedient, we may also measure impairment based on a loan's observable market price, or the fair value of the collateral less selling costs if the loan is a collateral-dependent loan. |
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| Nonaccrual Loans and Impaired Loans | Nonaccrual Loans Loans are placed on nonaccrual status when they become 90 days past due as to principal or interest payments (unless the principal and interest are well secured and in the process of collection); or when we have determined, based upon currently known information, that the timely collection of principal or interest is not probable. When a loan is placed on nonaccrual status, the accrued interest and fees are reversed against interest income and the loan is accounted for using the cost recovery method thereafter until qualifying for return to accrual status. Historically, loans that have been placed on nonaccrual status have remained as nonaccrual loans until the loan is either charged-off, or the principal balances have been paid off. For a loan to be returned to accrual status, all delinquent principal and interest must become current in accordance with the terms of the loan agreement and future collection of remaining principal and interest must be deemed probable. We apply a cost recovery method in which all cash received is applied to the loan principal until it has been collected. Under this approach, interest income is recognized after total cash flows received exceed the recorded investment at the date of initial nonaccrual. All of our nonaccrual loans have credit risk ratings of 8 or 9 and are classified under the nonperforming impaired category. |
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| Standby Letters of Credit | Standby Letters of Credit We recognize a liability at the inception of a standby letter of credit equivalent to the premium or the fee received for such guarantee. This fee is recognized in noninterest income over the commitment period using the straight-line method. |
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| Premises and Equipment | Premises and Equipment Premises and equipment are reported at cost less accumulated depreciation and amortization. Depreciation and amortization are computed using the straight-line method over the estimated useful lives of the assets or the terms of the related leases, whichever is shorter. The maximum estimated useful lives by asset classification are as follows:
We capitalize the costs of computer software developed or obtained for internal use, including costs related to developed software, purchased software licenses and certain implementation costs. For property and equipment that is retired or otherwise disposed of, the cost and related accumulated depreciation are removed from the accounts and the resulting gain or loss is included in noninterest expense in consolidated net income. |
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| Lease Obligations | Lease Obligations We lease all of our properties. At the inception of the lease, each property is evaluated to determine whether the lease will be accounted for as an operating or capital lease. For leases that contain rent escalations or landlord incentives, we record the total rent payable during the lease term, using the straight-line method over the term of the lease and record the difference between the minimum rents paid and the straight-line rent as lease obligations. We had no capitalized lease obligations at December 31, 2015 and 2014. |
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| Fair Value Measurements | Fair Value Measurements Our available-for-sale securities, derivative instruments and certain marketable, non-marketable and other securities are financial instruments recorded at fair value on a recurring basis. We make estimates regarding valuation of assets and liabilities measured at fair value in preparing our consolidated financial statements. Fair Value Measurement-Definition and Hierarchy Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (the “exit price”) in an orderly transaction between market participants at the measurement date. There is a three-level hierarchy for disclosure of assets and liabilities recorded at fair value. The classification of assets and liabilities within the hierarchy is based on whether the inputs to the valuation methodology used for measurement are observable or unobservable and the significance of those inputs in the fair value measurement. Observable inputs reflect market-derived or market-based information obtained from independent sources, while unobservable inputs reflect our estimates about market data and views of market participants. The three levels for measuring fair value are based on the reliability of inputs and are as follows: Level 1 Fair value measurements based on quoted prices in active markets for identical assets or liabilities that we have the ability to access. Since valuations are based on quoted prices that are readily and regularly available in an active market, valuation of these instruments does not entail a significant degree of judgment. Assets utilizing Level 1 inputs include U.S. Treasury securities, exchange-traded equity securities and certain marketable securities accounted for under fair value accounting. Level 2 Fair value measurements based on quoted prices in markets that are not active or for which all significant inputs are observable, directly or indirectly. Valuations for the available-for-sale securities are provided by independent external pricing service providers who have experience in valuing these securities and by comparison to and/or average of quoted market prices obtained from independent external brokers. We perform a monthly analysis on the values received from third parties to ensure that the prices represent a reasonable estimate of the fair value. The procedures include, but are not limited to, initial and ongoing review of third party pricing methodologies, review of pricing trends and monitoring of trading volumes. Additional corroboration, such as obtaining a non-binding price from a broker, may be obtained depending on the frequency of trades of the security and the level of liquidity or depth of the market. We ensure prices received from independent brokers represent a reasonable estimate of the fair value through the use of observable market inputs including comparable trades, yield curve, spreads and, when available, market indices. As a result of this analysis, if the Company determines that there is a more appropriate fair value based upon the available market data, the price received from the third party is adjusted accordingly. Below is a summary of the significant inputs used for each class of Level 2 assets and liabilities: U.S. agency debentures: Fair value measurements of U.S. agency debentures are based on the characteristics specific to bonds held, such as issuer name, issuance date, coupon rate, maturity date and any applicable issuer call option features. Valuations are based on market spreads relative to similar term benchmark market interest rates, generally U.S. Treasury securities. Agency-issued mortgage-backed securities: Agency-issued mortgage-backed securities are pools of individual conventional mortgage loans underwritten to U.S. agency standards with similar coupon rates, tenor, and other attributes such as geographic location, loan size and origination vintage. Fair value measurements of these securities are based on observable price adjustments relative to benchmark market interest rates taking into consideration estimated loan prepayment speeds. Agency-issued collateralized mortgage obligations: Agency-issued collateralized mortgage obligations are structured into classes or tranches with defined cash flow characteristics and are collateralized by U.S. agency-issued mortgage pass-through securities. Fair value measurements of these securities incorporate similar characteristics of mortgage pass-through securities such as coupon rate, tenor, geographic location, loan size and origination vintage, in addition to incorporating the effect of estimated prepayment speeds on the cash flow structure of the class or tranche. These measurements incorporate observable market spreads over an estimated average life after considering the inputs listed above. Agency-issued commercial mortgage-backed securities: Fair value measurements of these securities are based on spreads to benchmark market interest rates (usually U.S. Treasury rates or rates observable in the swaps market), prepayment speeds, loan default rate assumptions and loan loss severity assumptions on underlying loans. Municipal bonds and notes: Bonds issued by municipal governments generally have stated coupon rates, final maturity dates and are subject to being called ahead of the final maturity date at the option of the issuer. Fair value measurements of these securities are priced based on spreads to other municipal benchmark bonds with similar characteristics; or, relative to market rates on U.S. Treasury bonds of similar maturity. Interest rate derivative assets and liabilities: Fair value measurements of interest rate derivatives are priced considering the coupon rate of the fixed leg of the contract and the variable coupon on the floating leg of the contract. Valuation is based on both spot and forward rates on the swap yield curve and the credit worthiness of the contract counterparty. Foreign exchange forward and option contract assets and liabilities: Fair value measurements of these assets and liabilities are priced based on spot and forward foreign currency rates and option volatility assumptions. Equity warrant assets (public portfolio): Fair value measurements of equity warrant assets of publicly-traded portfolio companies are valued based on the Black-Scholes option pricing model. The model uses the price of publicly-traded companies (underlying stock price), stated strike prices, warrant expiration dates, the risk-free interest rate and market-observable option volatility assumptions. Level 3 The fair value measurement is derived from valuation techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect our own estimates of assumptions we believe market participants would use in pricing the asset. Below is a summary of the valuation techniques used for each class of Level 3 assets: Other venture capital investments: Fair value measurements are based on consideration of a range of factors including, but not limited to, the price at which the investment was acquired, the term and nature of the investment, local market conditions, values for comparable securities, and as it relates to the private company, the current and projected operating performance, exit strategies, and financing transactions subsequent to the acquisition of the investment. The significant unobservable inputs used in the fair value measurement include the information about each portfolio company, including actual and forecasted results, cash position, recent or planned transactions and market comparable companies. Significant changes to any one of these inputs in isolation could result in a significant change in the fair value measurement, however, we generally consider all factors available through ongoing communication with the portfolio companies and venture capital fund managers to determine whether there are changes to the portfolio company or the environment that indicate a change in the fair value measurement. Other securities: Fair value measurements of equity securities of public companies are priced based on quoted market prices less a discount if the securities are subject to certain sales restrictions. Certain sales restriction discounts generally range from 10% to 20% depending on the duration of the sale restrictions which typically range from 3 to 6 months. Equity warrant assets (public portfolio): Fair value measurements of equity warrant assets of publicly-traded portfolio companies are valued based on the Black-Scholes option pricing model. The model uses the price of publicly-traded companies (underlying stock price), stated strike prices, warrant expiration dates, the risk-free interest rate and market-observable option volatility assumptions. Modeled asset values are further adjusted by applying a discount of up to 20% for certain warrants that have certain sales restrictions or other features that indicate a discount to fair value is warranted. As sale restrictions are lifted, discounts are adjusted downward to zero once all restrictions expire or are removed. Equity warrant assets (private portfolio): Fair value measurements of equity warrant assets of private portfolio companies are priced based on a modified Black-Scholes option pricing model to estimate the asset value by using stated strike prices, option expiration dates, risk-free interest rates and option volatility assumptions. Option volatility assumptions used in the modified Black-Scholes model are based on public market indices whose members operate in similar industries as companies in our private company portfolio. Option expiration dates are modified to account for estimates to actual life relative to stated expiration. Overall model asset values are further adjusted for a general lack of liquidity due to the private nature of the associated underlying company. There is a direct correlation between changes in the volatility and remaining life assumptions in isolation and the fair value measurement while there is an inverse correlation between changes in the liquidity discount assumption and the fair value measurement. It is our policy to maximize the use of observable inputs and minimize the use of unobservable inputs when developing fair value measurements. When available, we use quoted market prices to measure fair value. If market prices are not available, fair value measurement is based upon valuation techniques that use primarily market-based or independently-sourced market parameters, including interest rate yield curves, prepayment speeds, option volatilities and currency rates. Substantially all of our financial instruments use the foregoing methodologies, and are categorized as a Level 1 or Level 2 measurement in the fair value hierarchy. However, in certain cases, when market observable inputs for our valuation techniques may not be readily available, we are required to make judgments about assumptions we believe market participants would use in estimating the fair value of the financial instrument, and based on the significance of those judgments, the measurement may be determined to be a Level 3 fair value measurement. The degree of management judgment involved in determining the fair value of a financial instrument is dependent upon the availability of quoted market prices or observable market parameters. For financial instruments that trade actively and have quoted market prices or observable market parameters, there is minimal subjectivity involved in measuring fair value. When observable market prices and parameters are not fully available, management judgment is necessary to estimate fair value. For inactive markets, there is little information, if any, to evaluate if individual transactions are orderly. Accordingly, we are required to estimate, based upon all available facts and circumstances, the degree to which orderly transactions are occurring and provide more weighting to price quotes that are based upon orderly transactions. In addition, changes in the market conditions may reduce the availability of quoted prices or observable data. For example, reduced liquidity in the capital markets or changes in secondary market activities could result in observable market inputs becoming unavailable. Therefore, when market data is not available, we use valuation techniques requiring more management judgment to estimate the appropriate fair value measurement. Accordingly, the degree of judgment exercised by management in determining fair value is greater for financial assets and liabilities categorized as Level 3. |
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| Fee-based Services Revenue Recognition | Fee-based Services Revenue Recognition Letters of Credit and Standby Letters of Credit Fee Income Fees generated from letters of credit and standby letters of credit are deferred as a component of other liabilities and recognized in noninterest income over the commitment period using the straight-line method, based on the likelihood that the commitment being drawn down will be remote. Client Investment Fees Client investment fees include fees earned from Rule 12(b)-1 fees, revenue sharing and from customer transactional based fees. Rule 12(b)-1 fees and revenue sharing are recognized as earned based on client funds that are invested in the period. Transactional based fees are earned and recognized on fixed income securities when the transaction is executed on the clients' behalf. Foreign Exchange Fees Foreign exchange fees represent the income differential between purchases and sales of foreign currency on behalf of our clients and are recognized as earned. Lending Related Fees Unused commitment fees, minimum finance fees and unused line fees are recognized as earned on a monthly and quarterly basis. Fees that qualify for syndication treatment are recognized at the completion of the syndicated loan deal for which the fees were received. Other Fee Income Credit card fees, net of rewards expense, and deposit service charge fee income are recognized as earned on a monthly basis. Other Service Revenue Other service revenue primarily includes revenue from valuation services. We recognize revenue when (i) persuasive evidence of an arrangement exists, (ii) we have performed the service, provided we have no other remaining obligations to the customer, (iii) the fee is fixed or determinable and, (iv) collectability is probable. Fund Management Fees and Carried Interest Fund management fees are comprised of fees charged directly to our managed funds of funds and direct venture funds. Fund management fees are based upon the contractual terms of the limited partnership agreements and are recognized as earned over the specified contract period, which is generally equal to the life of the individual fund. Fund management fees are recorded as a component of other noninterest income. Carried interest is comprised of preferential allocations of profits recognizable when the return on assets of our individual managed fund of funds and direct venture funds exceeds certain performance targets and is payable to us, as the general partners of the managed funds. The carried interest we earn is often shared with employees, who are also members of the general partner entities. We record carried interest on a quarterly basis by measuring fund performance to date versus the performance target. For our unconsolidated managed funds, carried interest is recorded as gains on investment securities, net. For our consolidated managed funds, it is recorded as a component of net income attributable to noncontrolling interests. Carried interest allocated to others is recorded as a component of net income attributable to noncontrolling interests. |
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| Income Taxes | Income Taxes Income taxes are accounted for under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carryforwards. Our federal, state and foreign income tax provisions are based upon taxes payable for the current year, current year changes in deferred taxes related to temporary differences between the tax basis and financial statement balances of assets and liabilities, and a reserve for uncertain tax positions. Deferred tax assets and liabilities are included in the consolidated financial statements at currently enacted income tax rates applicable to the period in which the deferred tax assets and liabilities are expected to be realized. As changes in tax laws or rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes. We file a consolidated federal income tax return, and consolidated, combined, or separate state income tax returns as appropriate. Our foreign incorporated subsidiaries file tax returns in the applicable foreign jurisdictions. We record interest and penalties related to unrecognized tax benefits in other noninterest expense, a component of consolidated net income. |
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| Share-Based Compensation | Share-Based Compensation For all stock-based awards granted, stock-based compensation expense is amortized on a straight-line basis over the requisite service period, including consideration of vesting conditions and anticipated forfeitures. The fair value of stock options are measured using the Black-Scholes option-pricing model and the fair value for restricted stock awards and restricted stock units are based on the quoted price of our common stock on the date of grant. |
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| Earnings Per Share | Earnings Per Share Basic earnings per common share is computed using the weighted average number of common stock shares outstanding during the period. Diluted earnings per common share is computed using the weighted average number of common stock shares and potential common shares outstanding during the period. Potential common shares consist of stock options, ESPP shares and restricted stock units. Common stock equivalent shares are excluded from the computation if the effect is antidilutive. |
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| Derivative Financial Instruments | Derivative Financial Instruments All derivative instruments are recorded on the balance sheet at fair value. The accounting for changes in fair value of a derivative financial instrument depends on whether the derivative financial instrument is designated and qualifies as part of a hedging relationship and, if so, the nature of the hedging activity. Changes in fair value are recognized through earnings for derivatives that do not qualify for hedge accounting treatment, or that have not been designated in a hedging relationship. Fair Value Hedges For derivative instruments that are designated and qualify as a fair value hedge, the gain or loss on the hedging instrument is recorded in the statement of income in the same line item as the hedged item and is intended to offset the loss or gain on the hedged item attributable to the hedged risk. Any difference that does arise would be the result of hedge ineffectiveness, and impacts earnings. Equity Warrant Assets In connection with negotiated credit facilities and certain other services, we may obtain equity warrant assets giving us the right to acquire stock in primarily private, venture-backed companies in the technology and life science/healthcare industries. We hold these assets for prospective investment gains. We do not use them to hedge any economic risks nor do we use other derivative instruments to hedge economic risks stemming from equity warrant assets. We account for equity warrant assets in certain private and public client companies as derivatives when they contain net settlement terms and other qualifying criteria under ASC 815, Derivatives and Hedging. In general, equity warrant assets entitle us to buy a specific number of shares of stock at a specific price within a specific time period. Certain equity warrant assets contain contingent provisions, which adjust the underlying number of shares or purchase price upon the occurrence of certain future events. Our warrant agreements typically contain net share settlement provisions, which permit us to receive at exercise a share count equal to the intrinsic value of the warrant divided by the share price (otherwise known as a “cashless” exercise). These equity warrant assets are recorded at fair value and are classified as derivative assets, a component of other assets, on our consolidated balance sheet at the time they are obtained. The grant date fair values of equity warrant assets received in connection with the issuance of a credit facility are deemed to be loan fees and recognized as an adjustment of loan yield through loan interest income. Similar to other loan fees, the yield adjustment related to grant date fair value of warrants is recognized over the life of that credit facility. Any changes in fair value from the grant date fair value of equity warrant assets will be recognized as increases or decreases to other assets on our balance sheet and as net gains or losses on derivative investments, in noninterest income, a component of consolidated net income. When a portfolio company completes an IPO on a publicly reported market or is acquired, we may exercise these equity warrant assets for shares or cash. In the event of an exercise for shares, the basis or value in the securities is reclassified from other assets to investment securities on the balance sheet on the latter of the exercise date or corporate action date. The shares in public companies are classified as available-for-sale securities (provided they do not have a significant restriction from sale). Changes in fair value of securities designated as available-for-sale, after applicable taxes, are reported in accumulated other comprehensive income, which is a separate component of SVBFG stockholders' equity. The shares in private companies are classified as non-marketable securities. We, typically, account for these securities at cost and only record adjustments to the value at the time of exit or liquidation though gains (losses) on investments securities, net, which is a component of noninterest income. The fair value of the equity warrant assets portfolio is a critical accounting estimate and is reviewed quarterly. We value our equity warrant assets using a modified Black-Scholes option pricing model, which incorporates the following significant inputs:
Foreign Exchange Forwards and Foreign Currency Option Contracts We enter into foreign exchange forward contracts and foreign currency option contracts with clients involved in international activities, either as the purchaser or seller, depending upon the clients' need. We also enter into an opposite-way forward or option contract with a correspondent bank to economically hedge client contracts to mitigate the fair value risk to us from fluctuations in currency rates. Settlement, credit, and operational risks remain. We also enter into forward contracts with correspondent banks to economically hedge currency exposure risk related to certain foreign currency denominated assets and liabilities. These contracts are not designated as hedging instruments and are recorded at fair value in our consolidated balance sheets. The contracts generally have terms of one year or less, although we may have contracts extending for up to five years. Generally, we have not experienced nonperformance on these contracts, have not incurred credit losses, and anticipate performance by all counterparties to such agreements. Changes in the fair value of these contracts are recognized in consolidated net income under gains (losses) on derivative instruments, net, a component of noninterest income. Period-end gross positive fair values are recorded in other assets and gross negative fair values are recorded in other liabilities. Interest Rate Contracts We sell interest rate contracts to clients who wish to mitigate their interest rate exposure. We economically reduce the interest rate risk from this business by entering into opposite way contracts with correspondent banks. We do not designate any of these contracts (which are derivative instruments) as qualifying for hedge accounting. Contracts in an asset position are included in other assets and contracts in a liability position are included in other liabilities. The net change in the fair value of these derivatives is recorded through net gains on derivative instruments, in noninterest income, a component of consolidated net income. |
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| New Accounting Pronouncements, Policy | Recent Accounting Pronouncements In May 2014, the FASB issued a new accounting standard (ASU 2014-09, Revenue from Contracts with Customers (Topic 606)), which provides revenue recognition guidance that is intended to create greater consistency with respect to how and when revenue from contracts with customers is shown in the income statement. This guidance will be effective on a retrospective basis beginning on January 1, 2018. We do not expect the adoption of this guidance to have a material impact on our financial position, results of operations or stockholders' equity. In April 2015, the FASB issued a new accounting standard (ASU 2015-05, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40)). This guidance will help entities evaluate the accounting for fees paid by a customer in a cloud computing arrangement. The amendments in this Update provide guidance to customers about whether a cloud computing arrangement includes a software license. If a cloud computing arrangement includes a software license, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The guidance will be effective on a January 1, 2016, with early adoption permitted. We do not expect the adoption of this guidance to have a material impact on our financial position, results of operations or stockholders' equity. In January 2016, the FASB issued a new accounting standard (ASU 2016-01, Recognition and Measurement of Financial Assets and Financial Liabilities (Topic 825)), which will significantly change the income statement impact of equity investments, and the recognition of changes in fair value of financial liabilities when the fair value option is elected. This guidance will be effective on January 1, 2018, on a prospective basis with a cumulative-effect adjustment to the balance sheet as of the beginning of the fiscal year of adoption. We are currently evaluating the impact this guidance will have on our consolidated financial statements, as well as the expected timing and method of adoption. |
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| Reclassifications | Reclassifications Certain prior period amounts, including amounts related to the adoption of ASU 2014-01, ASU 2015-03 and ASU 2015-07, have been reclassified to conform to current period presentations. |
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Summary of Significant Accounting Policies (Tables) |
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| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||
| Summary of Ownership Interests in Investments Held Under Fair Value Accounting | A summary of our ownership interests in the investments held under fair value accounting as of December 31, 2015 is presented in the following table:
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| Maximum Estimated Useful Lives by Asset Classification | The maximum estimated useful lives by asset classification are as follows:
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Stockholders' Equity and EPS (Tables) |
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| Equity and Earnings Per Share [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reclassification out of Accumulated Other Comprehensive Income | Accumulated Other Comprehensive Income The following table summarizes the items reclassified out of accumulated other comprehensive income into the Consolidated Statements of Income for 2015, 2014, and 2013:
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| Reconciliation of Basic EPS to Diluted EPS | The following is a reconciliation of basic EPS to diluted EPS for 2015, 2014 and 2013:
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| Common Shares Excluded from Diluted EPS Calculation as They Were Deemed to be Anti-Dilutive | The following table summarizes the weighted average common shares excluded from the diluted EPS calculation as they were deemed to be antidilutive for 2015, 2014 and 2013:
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Share-Based Compensation (Tables) |
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share Based Compensation and Related Benefits | In 2015, 2014 and 2013, we recorded share-based compensation and related benefits as follows:
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| Unrecognized Share Based Compensation Expense | As of December 31, 2015, unrecognized share-based compensation expense was as follows:
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| Weighted Average Assumptions and Fair Values Used for Employee Stock Options and Restricted Stock Units | The following weighted average assumptions and fair values were used for our employee stock options and restricted stock units:
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| Weighted Average Assumptions and Fair Values Used for ESPP | The following weighted average assumptions and fair values were used for our ESPP:
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| Stock Option Information Related to Equity Incentive Plan | The table below provides stock option information related to the 2006 Equity Incentive Plan for the year ended December 31, 2015:
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| Stock Options Outstanding | The following table summarizes information regarding stock options outstanding and exercisable as of December 31, 2015:
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| Information for Restricted Stock Units under Equity Incentive Plan | The table below provides information for restricted stock units under the 2006 Equity Incentive Plan for the year ended December 31, 2015:
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| Summary of Information Regarding Stock Option and Restricted Stock Activity | The following table summarizes information regarding stock option and restricted stock activity during 2015, 2014 and 2013:
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Variable Interest Entities (Tables) |
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| Investments In Variable Interest Entities [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Variable Interest Entities | The following table presents the carrying amounts and classification of significant variable interests in consolidated and unconsolidated VIEs as of December 31, 2015:
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Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock (Tables) |
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| Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Required Reserve Balances | The tables below provide information on the required reserve balances at the Federal Reserve, as well as shares held at the FHLB and FRB for the years ended and as of December 31, 2015 and 2014:
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| Shares Held at Federal Reserve Bank and Federal Home Loan Bank |
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Cash and Cash Equivalents (Tables) |
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| Cash and Cash Equivalents [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash and Cash Equivalents | The following table details our cash and cash equivalents at December 31, 2015 and December 31, 2014:
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| Securities Purchased Under Agreements to Resell | Additional information regarding our securities purchased under agreements to resell for 2015 and 2014 is as follows:
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Investment Securities (Tables) |
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| Investments, Debt and Equity Securities [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Major Components of Investment Securities Portfolio | The major components of our available-for-sale investment securities portfolio at December 31, 2015 and December 31, 2014 are as follows:
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| Summary of Unrealized Losses on Available for Sale Securities | The following table summarizes our unrealized losses on our AFS securities portfolio into categories of less than 12 months, or 12 months or longer as of December 31, 2015:
The following table summarizes our unrealized losses on our AFS securities portfolio into categories of less than 12 months, or 12 months or longer as of December 31, 2014:
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| Summary of Remaining Contractual Principal Maturities and Fully Taxable Equivalent Yields on Securities | The following table summarizes the remaining contractual principal maturities and fully taxable equivalent yields on fixed income securities classified as available-for-sale as of December 31, 2015. The weighted average yield is computed using the amortized cost of fixed income investment securities, which are reported at fair value. For U.S. Treasury securities, the expected maturity is the actual contractual maturity of the notes. Expected remaining maturities for certain U.S. agency debentures may occur earlier than their contractual maturities because the note issuers have the right to call outstanding amounts ahead of their contractual maturity. Expected maturities for mortgage-backed securities may differ significantly from their contractual maturities because mortgage borrowers have the right to prepay outstanding loan obligations with or without penalties. Mortgage-backed securities classified as available-for-sale typically have original contractual maturities from 10 to 30 years whereas expected average lives of these securities tend to be significantly shorter and vary based upon structure and prepayments in lower rate environments.
The following table summarizes the remaining contractual principal maturities and fully taxable equivalent yields on fixed income investment securities classified as held-to-maturity as of December 31, 2015. Interest income on certain municipal bonds and notes (non-taxable investments) are presented on a fully taxable equivalent basis using the federal statutory tax rate of 35.0 percent. The weighted average yield is computed using the amortized cost of fixed income investment securities. For U.S. agency debentures, the expected maturity is the actual contractual maturity of the notes. Expected maturities for mortgage-backed securities may differ significantly from their contractual maturities because mortgage borrowers have the right to prepay outstanding loan obligations with or without penalties. Mortgage-backed securities classified as held-to-maturity typically have original contractual maturities from 10 to 30 years whereas expected average lives of these securities tend to be significantly shorter and vary based upon structure and prepayments in lower rate environments.
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| Held-to-maturity Securities | The components of our held-to-maturity investment securities portfolio at December 31, 2015 and December 31, 2014 are as follows:
The following table summarizes our unrealized losses on our held-to-maturity securities portfolio into categories of less than 12 months and 12 months or longer as of December 31, 2015:
The following table summarizes our unrealized losses on our held-to-maturity securities portfolio into categories of less than 12 months and 12 months or longer as of December 31, 2014:
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| Schedule of Nonmarketable and Other Securities | The major components of our non-marketable and other investment securities portfolio at December 31, 2015 and December 31, 2014 are as follows:
The following table presents the balances of our investments in qualified affordable housing projects and related unfunded commitments at December 31, 2015 and December 31, 2014:
The following table presents other information relating to our investments in qualified affordable housing projects for the year ended December 31, 2015, 2014 and 2013:
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| Components of Gains and Losses (Realized and Unrealized) on Investment Securities | The following table presents the components of gains and losses (realized and unrealized) on investment securities in 2015, 2014 and 2013:
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Loans and Allowance for Loan Losses (Tables) |
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| Receivables [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans and Allowance for Loan Losses | The composition of loans, net of unearned income of $115 million and $104 million at December 31, 2015 and 2014, respectively, is presented in the following table:
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| Composition of Loans, Net of Unearned Income, Broken Out by Portfolio Segment and Class of Financing Receivable | The composition of loans, net of unearned income of $115 million and $104 million at December 31, 2015 and December 31, 2014, respectively, broken out by portfolio segment and class of financing receivable, is as follows:
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| Aging of Gross Loans, Broken out by Portfolio Segment and Class of Financing Receivable | The following table summarizes the aging of our gross loans, broken out by portfolio segment and class of financing receivable as of December 31, 2015 and 2014:
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| Impaired Loans and Allowance for Loan Losses, Broken out by Portfolio Segment and Class of Financing Receivable | The following table summarizes our impaired loans as they relate to our allowance for loan losses, broken out by portfolio segment and class of financing receivable for the years ended December 31, 2015 and 2014:
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| Average Impaired Loans, Broken out by Portfolio Segment and Class of Financing Receivable | The following table summarizes our average impaired loans and the related interest income while impaired, broken out by portfolio segment and class of financing receivable during 2015, 2014 and 2013:
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| Activity in Allowance for Loan Losses Broken out by Portfolio Segment | The following tables summarize the activity relating to our allowance for loan losses for 2015, 2014, and 2013 broken out by portfolio segment:
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| Allowance for Loan Losses Individually and Collectively Evaluated for Impairment | The following table summarizes the allowance for loan losses individually and collectively evaluated for impairment as of December 31, 2015 and 2014, broken out by portfolio segment:
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| Credit Quality Indicators, Broken out by Portfolio Segment and Class of Financing Receivables | The following table summarizes the credit quality indicators, broken out by portfolio segment and class of financing receivables as of December 31, 2015 and 2014:
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| Summary of Loans Modified in Troubled Debt Restructurings ("TDRs") by Portfolio Segment and Class of Financing Receivables | The following table summarizes our loans modified in TDRs, broken out by portfolio segment and class of financing receivables at December 31, 2015 and 2014:
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| Recorded Investment in Loans Modified in TDRs | The following table summarizes the recorded investment in loans modified in TDRs, broken out by portfolio segment and class of financing receivable, for modifications made during 2015, 2014, and 2013:
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| Recorded Investment in Loans Modified in TDRs within Previous 12 months Subsequently Defaulted | The following table summarizes the recorded investment in loans modified in TDRs within the previous 12 months that subsequently defaulted during their respective periods, broken out by portfolio segment and class of financing receivable. During the 2014 year, there were no TDRs modified within the previous 12 months that defaulted.
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Premises and Equipment (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of Premises and Equipment | Premises and equipment at December 31, 2015 and 2014 consisted of the following:
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Disposal - Assets Held-for-Sale (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Discontinued Operations and Disposal Groups [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Financial Information Related to Pending Sale of Assets Held-for-Sale | The following table details selected financial information included in the loss from the then pending sale:
The following table presents the composition of SVBIF assets held-for-sale included in accrued interest receivable and other assets at December 31, 2014:
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Deposits (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposits [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Composition of Deposits | The following table presents the composition of our deposits at December 31, 2015 and 2014:
T |
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Short-Term Borrowings and Long-Term Debt (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Outstanding Short Term Borrowings and Long Term Debt | The following table represents outstanding short-term borrowings and long-term debt at December 31, 2015 and 2014:
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| Aggregate Annual Maturities of Long-Term Debt Obligations | The aggregate annual maturities of long-term debt obligations as of December 31, 2015 are as follows:
|
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Derivative Financial Instruments (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Notional or Contractual Amounts, Fair Value, Collateral and Net Exposure of Derivative Financial Instruments | The total notional or contractual amounts, fair value, collateral and net exposure of our derivative financial instruments at December 31, 2015 and 2014 were as follows:
|
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| Summary of Derivative Activity and Related Impact on Consolidated Statements of Income | A summary of our derivative activity and the related impact on our consolidated statements of income for 2015, 2014 and 2013 is as follows:
|
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| Offsetting Assets | The following table summarizes our assets subject to enforceable master netting arrangements as of December 31, 2015 and 2014:
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| Offsetting Liabilities | The following table summarizes our liabilities subject to enforceable master netting arrangements as of December 31, 2015 and 2014:
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Other Noninterest Income (Loss) and Other Noninterest Expense (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Other Income and Expenses [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary of Other Noninterest Income | A summary of other noninterest (loss) income for 2015, 2014 and 2013 is as follows:
|
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| Summary of Other Noninterest Expense | A summary of other noninterest expense for 2015, 2014 and 2013 is as follows:
|
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Income Taxes (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Income Tax Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of Provision for Income Taxes | The components of our provision for income taxes for 2015, 2014 and 2013 were as follows:
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| Reconciliation between Federal Statutory Income Tax Rate and Effective Income Tax Rate | Our effective tax rate is calculated by dividing income tax expense by the sum of income before income tax expense and the net income attributable to noncontrolling interests. The reconciliation between the federal statutory income tax rate and our effective income tax rate for 2015, 2014 and 2013, is as follows:
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| Deferred Tax Assets (Liabilities) | Deferred tax assets and liabilities at December 31, 2015 and 2014, consisted of the following:
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| Changes in Unrecognized Tax Benefit (Including Interest and Penalties) | A summary of changes in our unrecognized tax benefit (including interest and penalties) in 2015 is as follows:
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Employee Compensation and Benefit Plans (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Compensation and Retirement Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expenses Incurred under Certain Employee Compensation and Benefit Plans | A summary of expenses incurred under certain employee compensation and benefit plans for 2015, 2014 and 2013 is as follows:
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Off-Balance Sheet Arrangements, Guarantees and Other Commitments (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Disclosure Off Balance Sheet Arrangements Guarantees And Other Commitments Additional Information [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Minimum Future Payments under Noncancelable Operating Leases | The following table presents minimum future payments under noncancelable operating leases as of December 31, 2015:
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| Summary Information Related to Commitments to Extend Credit (Excluding Letters of Credit) | The following table summarizes information related to our commitments to extend credit at December 31, 2015 and 2014, respectively:
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| Summary of Commercial and Standby Letters of Credit | The table below summarizes our commercial and standby letters of credit at December 31, 2015. The maximum potential amount of future payments represents the amount that could be remitted under letters of credit if there were a total default by the guaranteed parties, without consideration of possible recoveries under recourse provisions or from the collateral held or pledged.
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| Total Capital Commitments, Unfunded Capital Commitments, and Ownership in Each Fund | The following table details our total capital commitments, unfunded capital commitments, and our ownership percentage in each fund at December 31, 2015:
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| Remaining Unfunded Commitments to Venture Capital or Private Equity Funds by Consolidated Managed Funds | The following table details the amounts of remaining unfunded commitments to venture capital and private equity funds by our consolidated managed funds of funds (including our interest and the noncontrolling interests) at December 31, 2015:
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Fair Value of Financial Instruments (Tables) |
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| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value Hierarchy Tables Present Information about Assets and Liabilities Measured at Fair Value on a Recurring Basis | The following fair value hierarchy table presents information about our assets and liabilities that are measured at fair value on a recurring basis as of December 31, 2015:
The following fair value hierarchy table presents information about our assets and liabilities that are measured at fair value on a recurring basis as of December 31, 2014:
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| Additional Information about Level 3 Assets Measured at Fair Value on a Recurring Basis | The following table presents additional information about Level 3 assets measured at fair value on a recurring basis for 2015, 2014 and 2013, respectively:
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| Unrealized Gains Included in Earnings Attributable to Level 3 Assets Held | The following table presents the amount of unrealized gains (losses) included in earnings (which is inclusive of noncontrolling interest) attributable to Level 3 assets still held at December 31, 2015 and December 31, 2014, respectively:
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| Quantitative Information About Significant Unobservable Inputs | The following table presents quantitative information about the significant unobservable inputs used for certain of our Level 3 fair value measurements at December 31, 2015 and 2014. We have not included in this table our venture capital and private equity fund investments (fair value accounting) as we use net asset value per share (as obtained from the general partners of the investments) as a practical expedient to determine fair value.
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| Summary of Estimated Fair Values of Financial Instruments Not Carried at Fair Value | The following fair value hierarchy table presents the estimated fair values of our financial instruments that are not carried at fair value at December 31, 2015 and 2014:
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| Summary of Estimated Fair Values of Investments and Remaining Unfunded Commitments for Each Major Category of Investments | The following table is a summary of the estimated fair values of these investments and remaining unfunded commitments for each major category of these investments as of December 31, 2015:
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Regulatory Matters (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Banking and Thrift [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Capital Ratios for Company and Bank under Federal Regulatory Guidelines, Compared to Minimum Regulatory Capital Requirements for Adequately Capitalized and Well Capitalized Depository Institution | The following table presents the capital ratios for the Company and the Bank under federal regulatory guidelines, compared to the minimum regulatory capital requirements for an adequately capitalized and a well-capitalized depository institution, as of December 31, 2015 and 2014:
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Segment Reporting (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segment Reporting [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segment Reporting | Our segment information for 2015, 2014 and 2013 is as follows:
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Parent Company Only Condensed Financial Information (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Condensed Financial Information of Parent Company Only Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Condensed Balance Sheets | Condensed Balance Sheets
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| Condensed Statements of Income | Condensed Statements of Income
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| Condensed Statements of Cash Flows | Condensed Statements of Cash Flows
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Unaudited Quarterly Financial Data (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Quarterly Financial Information Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Supplemental Consolidated Financial Information | Our supplemental consolidated financial information for each three month period in 2015 and 2014 are as follows:
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Nature of Business (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
Segment
| |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Number of operating segments | 3 |
Summary of Significant Accounting Policies Maximum Estimated Useful Lives by Asset Classification (Detail) |
12 Months Ended |
|---|---|
Dec. 31, 2015 | |
| Leasehold Improvements | |
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Premises and equipment, description of estimated useful life | Lesser of lease term or asset life |
| Furniture and equipment | |
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Premises and equipment, description of estimated useful life | 7 years |
| Premises and equipment, estimated useful life | 7 years |
| Software | |
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Premises and equipment, description of estimated useful life | 3-7 years |
| Software | Lower Limit | |
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Premises and equipment, estimated useful life | 3 years |
| Software | Upper Limit | |
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Premises and equipment, estimated useful life | 7 years |
| Computer hardware | |
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Premises and equipment, description of estimated useful life | 3-5 years |
| Computer hardware | Lower Limit | |
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Premises and equipment, estimated useful life | 3 years |
| Computer hardware | Upper Limit | |
| Property Plant and Equipment Estimated Useful Lives [Line Items] | |
| Premises and equipment, estimated useful life | 5 years |
Stockholders' Equity and Earnings Per Share ("EPS") - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Stockholders Equity Note [Line Items] | ||||
| Proceeds from issuance of common stock | $ 434,900 | $ 0 | $ 434,866 | $ 0 |
| Common stock | ||||
| Stockholders Equity Note [Line Items] | ||||
| Common stock issued in public offering (in shares) | 4,485,000 | 4,485,000 | ||
| Common stock offering price per share (usd per share) | $ 101.00 | |||
Stockholders' Equity and EPS Reclassification of AOCI (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
||||||||
| Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | ||||||||||||||||||
| Reclassification adjustment for (gains) losses included in net income | $ 89,445 | [1] | $ 267,023 | $ 419,408 | ||||||||||||||
| Related tax expense (benefit) | $ (53,697) | $ (57,017) | $ (54,974) | $ (63,066) | $ (46,077) | $ (40,207) | $ (35,928) | $ (61,296) | (228,754) | [2] | (183,508) | [2] | (146,830) | [2] | ||||
| Net income available to common stockholders | $ 87,512 | $ 81,733 | $ 86,143 | $ 88,516 | $ 57,990 | $ 63,977 | $ 50,953 | $ 90,950 | 343,904 | [1],[2] | 263,870 | [2] | 214,517 | [2] | ||||
| Accumulated Net Unrealized Investment Gain (Loss) | Reclassification out of Accumulated Other Comprehensive Income | ||||||||||||||||||
| Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | ||||||||||||||||||
| Reclassification adjustment for (gains) losses included in net income | (1,201) | 18,598 | (538) | |||||||||||||||
| Related tax expense (benefit) | 481 | (7,510) | 218 | |||||||||||||||
| Net income available to common stockholders | $ (720) | $ 11,088 | $ (320) | |||||||||||||||
| ||||||||||||||||||
Stockholders' Equity and EPS Reconciliation of Basic EPS to Diluted EPS (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
||||||||
| Numerator: | ||||||||||||||||||
| Net income available to common stockholders | $ 87,512 | $ 81,733 | $ 86,143 | $ 88,516 | $ 57,990 | $ 63,977 | $ 50,953 | $ 90,950 | $ 343,904 | [1],[2] | $ 263,870 | [2] | $ 214,517 | [2] | ||||
| Denominator: | ||||||||||||||||||
| Weighted average common shares outstanding-basic (in shares) | 51,318 | 48,931 | 45,309 | |||||||||||||||
| Denominator for diluted calculation (in shares) | 51,916 | 49,662 | 45,944 | |||||||||||||||
| Earnings per common share: | ||||||||||||||||||
| Basic (usd per share) | $ 1.70 | $ 1.59 | $ 1.68 | $ 1.74 | $ 1.14 | $ 1.26 | $ 1.06 | $ 1.98 | $ 6.70 | [2] | $ 5.39 | [2] | $ 4.73 | [2] | ||||
| Diluted (usd per share) | $ 1.68 | $ 1.57 | $ 1.66 | $ 1.71 | $ 1.13 | $ 1.24 | $ 1.04 | $ 1.95 | $ 6.62 | [2] | $ 5.31 | [2] | $ 4.67 | [2] | ||||
| Stock options and ESPP | ||||||||||||||||||
| Denominator: | ||||||||||||||||||
| Weighted average effect of dilutive securities (in shares) | 387 | 485 | 431 | |||||||||||||||
| Restricted stock units | ||||||||||||||||||
| Denominator: | ||||||||||||||||||
| Weighted average effect of dilutive securities (in shares) | 211 | 246 | 204 | |||||||||||||||
| ||||||||||||||||||
Stockholders' Equity and EPS Common Shares Excluded from Diluted EPS Calculation as They Were Deemed to be Anti-Dilutive (Detail) - shares shares in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||
| Shares excluded from diluted earnings per share calculation | 185 | 161 | 366 |
| Stock options | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||
| Shares excluded from diluted earnings per share calculation | 185 | 161 | 261 |
| Restricted stock unit | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||
| Shares excluded from diluted earnings per share calculation | 0 | 0 | 105 |
Share Based Compensation and Related Benefits (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||
| Share-based compensation expense | $ 32,239 | $ 29,545 | $ 25,413 |
| Income tax benefit related to share-based compensation expense | (11,395) | (9,923) | (7,989) |
| Capitalized compensation costs | $ 2,226 | $ 2,048 | $ 2,809 |
Share-Based Compensation - Additional Information (Detail) |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
$ / shares
shares
| |
| Compensation Related Costs Share Based Payments Disclosure [Line Items] | |
| Expected volatility term | 5 years |
| Closing stock price | $ / shares | $ 118.90 |
| Equity Incentive Plan | |
| Compensation Related Costs Share Based Payments Disclosure [Line Items] | |
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 2,664,121 |
| Maximum aggregate number of shares that may be awarded and sold | 9,528,505 |
| Conversion ratio for awards granted | 2 |
| Conversion ratio for awards forfeited | 2 |
| Options granted under the 2006 Incentive Plan, expiration period | 7 years |
| Options, exercisable period | 4 years |
| Equity Incentive Plan | Restricted stock units | Lower Limit | |
| Compensation Related Costs Share Based Payments Disclosure [Line Items] | |
| Vesting period | 3 years |
| Equity Incentive Plan | Performance-based restricted stock | Lower Limit | |
| Compensation Related Costs Share Based Payments Disclosure [Line Items] | |
| Vesting period | 12 months |
| Employee Stock Purchase Plan | |
| Compensation Related Costs Share Based Payments Disclosure [Line Items] | |
| Maximum percentage of gross compensation that participating employees may annually contribute towards ESPP | 10.00% |
| Maximum amount that participating employees may annually contribute towards ESPP | $ | $ 25,000 |
| Percentage of fair market value of common stock at which employees may purchase shares under ESPP | 85.00% |
| Number of shares issued under ESPP | 140,471 |
| Proceeds from issuance of shares under ESPP | $ | $ 13,900,000 |
| Number of shares available for issuance | 425,728 |
Share-Based Compensation Unrecognized Share-Based Compensation Expense (Detail) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Unrecognized Share Based Compensation Expense [Line Items] | |
| Unrecognized Expense | $ 49,097 |
| Stock option | |
| Unrecognized Share Based Compensation Expense [Line Items] | |
| Unrecognized Expense | $ 11,194 |
| Average Expected Recognition Period - in Years | 2 years 3 months 19 days |
| Restricted stock units | |
| Unrecognized Share Based Compensation Expense [Line Items] | |
| Unrecognized Expense | $ 37,903 |
| Average Expected Recognition Period - in Years | 2 years 6 months 11 days |
Share-Based Compensation Weighted Average Assumptions and Fair Values Used for Employee Stock Options and Restricted Stock Units (Detail) - Equity Incentive Plan - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items] | |||
| Weighted average expected term of options in years | 4 years 8 months 27 days | 4 years 7 months 3 days | 4 years 8 months 12 days |
| Weighted average expected volatility of the Company's underlying common stock | 31.30% | 35.90% | 44.60% |
| Risk-free interest rate | 1.49% | 1.72% | 0.70% |
| Expected dividend yield | $ 0 | $ 0 | $ 0 |
| Weighted average grant date fair value-stock options (usd per share) | $ 37.86 | $ 35.65 | $ 27.28 |
| Weighted average grant date fair value-restricted stock units (usd per share) | $ 129.23 | $ 107.76 | $ 71.57 |
Share-Based Compensation Weighted Average Assumptions and Fair Values Used for ESPP (Detail) - Employee Stock Purchase Plan - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items] | |||
| Expected term in years | 6 months | 6 months | 6 months |
| Weighted average expected volatility of the Company's underlying common stock | 25.90% | 23.70% | 22.30% |
| Risk-free interest rate | 0.12% | 0.08% | 0.11% |
| Expected dividend yield | $ 0 | $ 0 | $ 0 |
| Weighted average fair value | $ 29.27 | $ 24.00 | $ 15.35 |
Share-Based Compensation Stock Option Information Related to Equity Incentive Plan (Detail) |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
$ / shares
shares
| |
| Options | |
| Outstanding, beginning of period (in shares) | shares | 1,394,888 |
| Granted (in shares) | shares | 123,561 |
| Exercised (in shares) | shares | (357,441) |
| Forfeited (in shares) | shares | (22,260) |
| Expired (in shares) | shares | (1,520) |
| Outstanding, end of period (in shares) | shares | 1,137,228 |
| Vested and expected to vest (in shares) | shares | 1,107,168 |
| Exercisable (in shares) | shares | 613,873 |
| Weighted average exercise price | |
| Outstanding, beginning of period (usd per share) | $ / shares | $ 66.03 |
| Granted (usd per share) | $ / shares | 129.20 |
| Exercised (usd per share) | $ / shares | 51.52 |
| Forfeited (usd per share) | $ / shares | 84.17 |
| Expired (usd per share) | $ / shares | 48.76 |
| Outstanding, end of period (usd per share) | $ / shares | 77.12 |
| Vested and expected to vest (usd per share) | $ / shares | 76.33 |
| Exercisable (usd per share) | $ / shares | $ 60.86 |
| Weighted Average Remaining Contractual Life in Years | |
| Outstanding (in years) | 3 years 9 months 23 days |
| Vested and expected to vest (in years) | 3 years 9 months 7 days |
| Exercisable (in years) | 2 years 9 months 19 days |
| Aggregate Intrinsic Value of In-The-Money Options | |
| Outstanding | $ | $ 48,803,591 |
| Vested and expected to vest | $ | 48,309,612 |
| Exercisable | $ | $ 35,630,862 |
Share-Based Compensation Stock Options Outstanding (Detail) |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
$ / shares
shares
| |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Outstanding Options, Shares | shares | 1,137,228 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 3 years 9 months 23 days |
| Outstanding Options, Weighted Average Exercise Price | $ 77.12 |
| Exercisable Options, Shares | shares | 613,873 |
| Exercisable Options, Weighted Average Exercise Price | $ 60.86 |
| $19.48-49.47 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 19.48 |
| Range of Exercise Prices, maximum | $ 49.47 |
| Outstanding Options, Shares | shares | 170,043 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 1 year 1 month 1 day |
| Outstanding Options, Weighted Average Exercise Price | $ 38.70 |
| Exercisable Options, Shares | shares | 169,806 |
| Exercisable Options, Weighted Average Exercise Price | $ 38.68 |
| 49.48-60.51 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 49.48 |
| Range of Exercise Prices, maximum | $ 60.51 |
| Outstanding Options, Shares | shares | 160,003 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 2 years 4 months 23 days |
| Outstanding Options, Weighted Average Exercise Price | $ 59.52 |
| Exercisable Options, Shares | shares | 155,136 |
| Exercisable Options, Weighted Average Exercise Price | $ 59.60 |
| 60.52-64.40 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 60.52 |
| Range of Exercise Prices, maximum | $ 64.4 |
| Outstanding Options, Shares | shares | 210,364 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 3 years 3 months 29 days |
| Outstanding Options, Weighted Average Exercise Price | $ 64.32 |
| Exercisable Options, Shares | shares | 135,521 |
| Exercisable Options, Weighted Average Exercise Price | $ 64.31 |
| 64.41-67.77 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 64.41 |
| Range of Exercise Prices, maximum | $ 67.77 |
| Outstanding Options, Shares | shares | 2,654 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 3 years 3 months 1 day |
| Outstanding Options, Weighted Average Exercise Price | $ 64.43 |
| Exercisable Options, Shares | shares | 1,675 |
| Exercisable Options, Weighted Average Exercise Price | $ 64.43 |
| 67.78-79.77 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 67.78 |
| Range of Exercise Prices, maximum | $ 79.77 |
| Outstanding Options, Shares | shares | 237,835 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 4 years 3 months 30 days |
| Outstanding Options, Weighted Average Exercise Price | $ 71.11 |
| Exercisable Options, Shares | shares | 98,120 |
| Exercisable Options, Weighted Average Exercise Price | $ 71.11 |
| 79.78-107.93 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 79.78 |
| Range of Exercise Prices, maximum | $ 107.93 |
| Outstanding Options, Shares | shares | 26,764 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 5 years 4 months 23 days |
| Outstanding Options, Weighted Average Exercise Price | $ 101.18 |
| Exercisable Options, Shares | shares | 6,805 |
| Exercisable Options, Weighted Average Exercise Price | $ 99.07 |
| 107.94-108.59 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 107.94 |
| Range of Exercise Prices, maximum | $ 108.59 |
| Outstanding Options, Shares | shares | 197,920 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 5 years 3 months 28 days |
| Outstanding Options, Weighted Average Exercise Price | $ 107.98 |
| Exercisable Options, Shares | shares | 44,859 |
| Exercisable Options, Weighted Average Exercise Price | $ 107.98 |
| 108.60-127.44 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 108.6 |
| Range of Exercise Prices, maximum | $ 127.44 |
| Outstanding Options, Shares | shares | 16,685 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 6 years 2 months 4 days |
| Outstanding Options, Weighted Average Exercise Price | $ 119.00 |
| Exercisable Options, Shares | shares | 1,951 |
| Exercisable Options, Weighted Average Exercise Price | $ 117.01 |
| 127.45-129.81 | |
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
| Range of Exercise Prices, minimum | 127.45 |
| Range of Exercise Prices, maximum | $ 129.81 |
| Outstanding Options, Shares | shares | 114,960 |
| Outstanding Options ,Weighted Average Remaining Contractual Life in Years | 6 years 3 months 30 days |
| Outstanding Options, Weighted Average Exercise Price | $ 129.81 |
| Exercisable Options, Shares | shares | 0 |
| Exercisable Options, Weighted Average Exercise Price | $ 0.00 |
Share-Based Compensation Information for Restricted Stock Units under Equity Incentive Plan (Detail) - Restricted stock units |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
$ / shares
shares
| |
| Shares | |
| Nonvested, beginning of period (in shares) | shares | 614,666 |
| Granted (in shares) | shares | 241,548 |
| Vested (in shares) | shares | (264,884) |
| Forfeited (in shares) | shares | (19,292) |
| Nonvested, end of period (in shares) | shares | 572,038 |
| Weighted Average Grant Date Fair Value | |
| Nonvested, beginning of period (usd per share) | $ / shares | $ 79.92 |
| Granted (usd per share) | $ / shares | 129.23 |
| Vested (usd per share) | $ / shares | 73.35 |
| Forfeited (usd per share) | $ / shares | 88.51 |
| Nonvested, end of period (usd per share) | $ / shares | $ 103.50 |
Share-Based Compensation Summary of Information Regarding Stock Option and Restricted Stock Activity (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Stock options | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Total intrinsic value of stock options exercised | $ 27,430 | $ 21,288 | $ 25,520 |
| Total grant date fair value of stock options vested | 21,052 | 20,291 | 18,168 |
| Restricted stock unit | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Total intrinsic value of restricted stock vested | 34,009 | 25,453 | 14,176 |
| Total grant date fair value of restricted stock vested | $ 19,428 | $ 14,935 | $ 10,940 |
Variable Interest Entities - Carrying Amounts and Classification of Significant Variable Interests (Details)(Details) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
[1] | Dec. 31, 2012 |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variable Interest Entity [Line Items] | ||||||||||||
| Cash and cash equivalents | $ 1,503,257 | $ 1,796,062 | $ 1,538,779 | $ 1,008,983 | ||||||||
| Non-marketable and other securities | [2],[3] | 674,946 | 1,728,140 | |||||||||
| Accrued interest receivable and other assets | [3] | 709,707 | 553,208 | |||||||||
| Total assets | 44,686,703 | 39,337,869 | ||||||||||
| Other liabilities | 639,094 | 483,493 | ||||||||||
| Total liabilities | 41,353,472 | $ 35,286,135 | ||||||||||
| Maximum Exposure to Loss in Unconsolidated VIEs | 364,450 | |||||||||||
| Variable Interest Entity, Primary Beneficiary | ||||||||||||
| Variable Interest Entity [Line Items] | ||||||||||||
| Cash and cash equivalents | 11,811 | |||||||||||
| Non-marketable and other securities | 203,714 | |||||||||||
| Accrued interest receivable and other assets | 494 | |||||||||||
| Total assets | 216,019 | |||||||||||
| Other liabilities | 433 | |||||||||||
| Accrued expenses and other liabilities | 0 | |||||||||||
| Total liabilities | 433 | |||||||||||
| Maximum Exposure to Loss in Unconsolidated VIEs | 215,600 | |||||||||||
| Variable Interest Entity, Not Primary Beneficiary | ||||||||||||
| Variable Interest Entity [Line Items] | ||||||||||||
| Non-marketable and other securities | 364,450 | |||||||||||
| Total assets | 364,450 | |||||||||||
| Accrued expenses and other liabilities | 90,978 | |||||||||||
| Total liabilities | $ 90,978 | |||||||||||
| ||||||||||||
Variable Interest Entities - Additional Information (Details) $ in Thousands |
Dec. 31, 2015
USD ($)
entity
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
|---|---|---|---|
| Variable Interest Entity [Line Items] | |||
| Number of deconsolidated entities | entity | 16 | ||
| Total assets | $ (44,686,703) | $ (39,337,869) | |
| Total equity | $ (3,333,231) | (4,051,734) | $ (3,074,693) |
| Number of consolidated entities | entity | 5 | ||
| Maximum Exposure to Loss in Unconsolidated VIEs | $ 364,450 | ||
| Variable Interest Entity, Not Primary Beneficiary | |||
| Variable Interest Entity [Line Items] | |||
| Total assets | (364,450) | ||
| Accrued expenses and other liabilities | 90,978 | ||
| Variable Interest Entity, Primary Beneficiary | |||
| Variable Interest Entity [Line Items] | |||
| Total assets | (216,019) | ||
| Accrued expenses and other liabilities | 0 | ||
| Maximum Exposure to Loss in Unconsolidated VIEs | 215,600 | ||
| Cumulative-Effect Adjustment, Deconsolidation of Variable Interest Entity | |||
| Variable Interest Entity [Line Items] | |||
| Total assets | 1,100,000 | ||
| Total equity | 1,200,000 | ||
| Low income housing tax credit funds | |||
| Variable Interest Entity [Line Items] | |||
| Non-marketable and other securities | $ 154,356 | $ 121,155 |
Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock Average Required Reserve Balances (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock [Abstract] | ||
| Average required reserve balances at FRB San Francisco | $ 278,101 | $ 168,387 |
Reserves on Deposit with the Federal Reserve Bank and Federal Bank Stock Shares Held at Federal Reserve Bank and Federal Home Loan Bank (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Disclosure Shares Held At Federal Reserve Bank And Federal Home Loan Bank [Abstract] | ||
| FHLB stock holdings | $ 17,250 | $ 25,000 |
| FRB stock holdings | $ 39,741 | $ 28,496 |
Cash and Cash Equivalents (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
[1] | Dec. 31, 2012 |
||
|---|---|---|---|---|---|---|---|
| Cash and Cash Equivalents [Abstract] | |||||||
| Cash and due from banks | $ 1,372,743 | $ 1,694,329 | |||||
| Securities purchased under agreements to resell | 125,391 | 95,611 | |||||
| Other short-term investment securities | 5,123 | 6,122 | |||||
| Total cash and cash equivalents | $ 1,503,257 | $ 1,796,062 | $ 1,538,779 | $ 1,008,983 | |||
| |||||||
Cash and Cash Equivalents (Footnote Information) (Detail) - USD ($) |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Cash and Cash Equivalents [Abstract] | ||
| Deposits at the Federal Reserve Bank earning interest at the Federal Funds target rate | $ 405,000,000 | $ 861,000,000 |
| Interest-earning deposits in other financial institutions | 500,000,000 | 440,000,000 |
| Fair value of securities purchased under agreements to resell | 128,000,000 | 98,000,000 |
| Fair value of securities received as collateral that have been resold or repledged | $ 0 | $ 0 |
Cash and Cash Equivalents Securities Purchased Under Agreements (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Disclosure Securities Purchased Under Agreements [Abstract] | ||
| Average securities purchased under agreements to resell | $ 75,504 | $ 108,910 |
| Maximum amount outstanding at any month-end during the year | $ 338,612 | $ 283,215 |
Investment Securities - Major Components of Investment Securities Portfolio (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Investment Holdings [Line Items] | ||
| Amortized Cost | $ 16,375,941 | $ 13,497,945 |
| Unrealized Gains | 47,578 | 70,853 |
| Unrealized Losses | (42,771) | (28,143) |
| Carrying Value | 16,380,748 | 13,540,655 |
| U.S. treasury securities | ||
| Investment Holdings [Line Items] | ||
| Amortized Cost | 11,679,450 | 7,289,135 |
| Unrealized Gains | 19,134 | 17,524 |
| Unrealized Losses | (20,549) | (4,386) |
| Carrying Value | 11,678,035 | 7,302,273 |
| U.S. agency debentures | ||
| Investment Holdings [Line Items] | ||
| Amortized Cost | 2,677,453 | 3,540,055 |
| Unrealized Gains | 17,684 | 30,478 |
| Unrealized Losses | (5,108) | (8,977) |
| Carrying Value | 2,690,029 | 3,561,556 |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | ||
| Investment Holdings [Line Items] | ||
| Amortized Cost | 1,408,206 | 1,884,450 |
| Unrealized Gains | 6,591 | 14,851 |
| Unrealized Losses | (15,518) | (14,458) |
| Carrying Value | 1,399,279 | 1,884,843 |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | ||
| Investment Holdings [Line Items] | ||
| Amortized Cost | 604,236 | 779,103 |
| Unrealized Gains | 3,709 | 5,372 |
| Unrealized Losses | (9) | 0 |
| Carrying Value | 607,936 | 784,475 |
| Equity securities | ||
| Investment Holdings [Line Items] | ||
| Amortized Cost | 6,596 | 5,202 |
| Unrealized Gains | 460 | 2,628 |
| Unrealized Losses | (1,587) | (322) |
| Carrying Value | $ 5,469 | $ 7,508 |
Investment Securities - Summary of Available for Sale Securities (Detail) $ in Thousands |
Dec. 31, 2015
USD ($)
Investment
|
Dec. 31, 2014
USD ($)
Investment
|
|---|---|---|
| Investments, Unrealized Loss Position [Line Items] | ||
| Less than 12 months - Fair Value of Investments | $ 8,783,725 | $ 3,209,821 |
| Less than 12 months - Unrealized Losses | (31,934) | (8,301) |
| 12 months or longer - Fair Value of Investments | 373,284 | 961,186 |
| 12 months or longer - Unrealized Losses | (10,837) | (19,842) |
| Fair Value of Investments | 9,157,009 | 4,171,007 |
| Unrealized Losses | $ (42,771) | $ (28,143) |
| Number of investments in unrealized loss position | Investment | 243 | 115 |
| Number of investments with unrealized losses greater than 12 months | Investment | 18 | 33 |
| U.S. treasury securities | ||
| Investments, Unrealized Loss Position [Line Items] | ||
| Less than 12 months - Fair Value of Investments | $ 7,467,519 | $ 2,297,895 |
| Less than 12 months - Unrealized Losses | (20,549) | (4,386) |
| 12 months or longer - Fair Value of Investments | 0 | 0 |
| 12 months or longer - Unrealized Losses | 0 | 0 |
| Fair Value of Investments | 7,467,519 | 2,297,895 |
| Unrealized Losses | (20,549) | (4,386) |
| U.S. agency debentures | ||
| Investments, Unrealized Loss Position [Line Items] | ||
| Less than 12 months - Fair Value of Investments | 760,071 | 249,266 |
| Less than 12 months - Unrealized Losses | (5,108) | (489) |
| 12 months or longer - Fair Value of Investments | 0 | 507,385 |
| 12 months or longer - Unrealized Losses | 0 | (8,488) |
| Fair Value of Investments | 760,071 | 756,651 |
| Unrealized Losses | (5,108) | (8,977) |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | ||
| Investments, Unrealized Loss Position [Line Items] | ||
| Less than 12 months - Fair Value of Investments | 545,404 | 662,092 |
| Less than 12 months - Unrealized Losses | (4,681) | (3,104) |
| 12 months or longer - Fair Value of Investments | 373,284 | 453,801 |
| 12 months or longer - Unrealized Losses | (10,837) | (11,354) |
| Fair Value of Investments | 918,688 | 1,115,893 |
| Unrealized Losses | (15,518) | (14,458) |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | ||
| Investments, Unrealized Loss Position [Line Items] | ||
| Less than 12 months - Fair Value of Investments | 7,776 | |
| Less than 12 months - Unrealized Losses | (9) | |
| 12 months or longer - Fair Value of Investments | 0 | |
| 12 months or longer - Unrealized Losses | 0 | |
| Fair Value of Investments | 7,776 | |
| Unrealized Losses | (9) | |
| Equity securities | ||
| Investments, Unrealized Loss Position [Line Items] | ||
| Less than 12 months - Fair Value of Investments | 2,955 | 568 |
| Less than 12 months - Unrealized Losses | (1,587) | (322) |
| 12 months or longer - Fair Value of Investments | 0 | 0 |
| 12 months or longer - Unrealized Losses | 0 | 0 |
| Fair Value of Investments | 2,955 | 568 |
| Unrealized Losses | $ (1,587) | $ (322) |
Investment Securities - Summary of Remaining Contractual Principal Maturities and Fully Taxable Equivalent Yields on Debt Securities Classified as Available for Sale (Detail) - Available-for-sale Securities $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Investments Classified by Contractual Maturity Date [Line Items] | |
| Carrying Value | $ 16,375,279 |
| Weighted- Average Yield | 1.34% |
| One Year or Less - Carrying Value | $ 2,043,469 |
| One Year or Less - Weighted- Average Yield | 0.84% |
| After One Year to Five Years - Carrying Value | $ 11,918,727 |
| After One Year to Five Years - Weighted- Average Yield | 1.34% |
| After Five Years to Ten Years - Carrying Value | $ 1,176,232 |
| After Five Years to Ten Years - Weighted- Average Yield | 2.36% |
| After Ten Years - Carrying Value | $ 1,236,851 |
| After Ten Years - Weighted- Average Yield | 1.14% |
| U.S. treasury securities | |
| Investments Classified by Contractual Maturity Date [Line Items] | |
| Carrying Value | $ 11,678,035 |
| Weighted- Average Yield | 1.24% |
| One Year or Less - Carrying Value | $ 1,451,224 |
| One Year or Less - Weighted- Average Yield | 0.54% |
| After One Year to Five Years - Carrying Value | $ 9,870,288 |
| After One Year to Five Years - Weighted- Average Yield | 1.29% |
| After Five Years to Ten Years - Carrying Value | $ 356,523 |
| After Five Years to Ten Years - Weighted- Average Yield | 2.49% |
| After Ten Years - Carrying Value | $ 0 |
| After Ten Years - Weighted- Average Yield | 0.00% |
| U.S. agency debentures | |
| Investments Classified by Contractual Maturity Date [Line Items] | |
| Carrying Value | $ 2,690,029 |
| Weighted- Average Yield | 1.60% |
| One Year or Less - Carrying Value | $ 592,245 |
| One Year or Less - Weighted- Average Yield | 1.60% |
| After One Year to Five Years - Carrying Value | $ 2,048,439 |
| After One Year to Five Years - Weighted- Average Yield | 1.57% |
| After Five Years to Ten Years - Carrying Value | $ 49,345 |
| After Five Years to Ten Years - Weighted- Average Yield | 2.65% |
| After Ten Years - Carrying Value | $ 0 |
| After Ten Years - Weighted- Average Yield | 0.00% |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | |
| Investments Classified by Contractual Maturity Date [Line Items] | |
| Carrying Value | $ 1,399,279 |
| Weighted- Average Yield | 1.95% |
| One Year or Less - Carrying Value | $ 0 |
| One Year or Less - Weighted- Average Yield | 0.00% |
| After One Year to Five Years - Carrying Value | $ 0 |
| After One Year to Five Years - Weighted- Average Yield | 0.00% |
| After Five Years to Ten Years - Carrying Value | $ 770,364 |
| After Five Years to Ten Years - Weighted- Average Yield | 2.28% |
| After Ten Years - Carrying Value | $ 628,915 |
| After Ten Years - Weighted- Average Yield | 1.56% |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | |
| Investments Classified by Contractual Maturity Date [Line Items] | |
| Carrying Value | $ 607,936 |
| Weighted- Average Yield | 0.71% |
| One Year or Less - Carrying Value | $ 0 |
| One Year or Less - Weighted- Average Yield | 0.00% |
| After One Year to Five Years - Carrying Value | $ 0 |
| After One Year to Five Years - Weighted- Average Yield | 0.00% |
| After Five Years to Ten Years - Carrying Value | $ 0 |
| After Five Years to Ten Years - Weighted- Average Yield | 0.00% |
| After Ten Years - Carrying Value | $ 607,936 |
| After Ten Years - Weighted- Average Yield | 0.71% |
| Lower Limit | |
| Investments Classified by Contractual Maturity Date [Line Items] | |
| Mortgage-backed securities contractual maturities (in years) | 10 years |
| Upper Limit | |
| Investments Classified by Contractual Maturity Date [Line Items] | |
| Mortgage-backed securities contractual maturities (in years) | 30 years |
Investment Securities - Summary Held to Maturity Securities (Details) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2015
USD ($)
Investment
|
Dec. 31, 2014
USD ($)
Investment
|
Dec. 31, 2013
USD ($)
|
|
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Transfers from available-for-sale securities to held-to-maturity, carrying value | $ 0 | $ 5,418,572 | $ 0 |
| Amortized Cost | 8,790,963 | 7,421,042 | |
| Unrealized Gains | 16,694 | 16,314 | |
| Unrealized Losses | (49,035) | (21,700) | |
| Fair Value | 8,758,622 | 7,415,656 | |
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] | |||
| Fair Value of Investments, Less than 12 months | 6,302,783 | 3,438,894 | |
| Unrealized Losses, Less than 12 months | (44,391) | (16,520) | |
| Fair Value of Investments, 12 months or longer | 238,350 | 783,558 | |
| Unrealized Losses, 12 months or longer | (4,644) | (5,180) | |
| Fair Value of Investments | 6,541,133 | 4,222,452 | |
| Unrealized Losses | $ (49,035) | $ (21,700) | |
| Number of held-to-maturity investments with unrealized loss | Investment | 384 | 292 | |
| Number of held-to-maturity investments in continuous loss more than 12 months | Investment | 58 | 26 | |
| U.S. agency debentures | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | $ 545,473 | $ 405,899 | |
| Unrealized Gains | 8,876 | 4,589 | |
| Unrealized Losses | 0 | (38) | |
| Fair Value | 554,349 | 410,450 | |
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] | |||
| Fair Value of Investments, Less than 12 months | 48,335 | ||
| Unrealized Losses, Less than 12 months | (38) | ||
| Fair Value of Investments, 12 months or longer | 0 | ||
| Unrealized Losses, 12 months or longer | 0 | ||
| Fair Value of Investments | 48,335 | ||
| Unrealized Losses | (38) | ||
| Agency-issued mortgage-backed securities | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | 2,366,627 | 2,799,923 | |
| Unrealized Gains | 546 | 5,789 | |
| Unrealized Losses | (11,698) | (2,320) | |
| Fair Value | 2,355,475 | 2,803,392 | |
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] | |||
| Fair Value of Investments, Less than 12 months | 2,121,258 | 999,230 | |
| Unrealized Losses, Less than 12 months | (10,860) | (2,320) | |
| Fair Value of Investments, 12 months or longer | 22,507 | 0 | |
| Unrealized Losses, 12 months or longer | (838) | 0 | |
| Fair Value of Investments | 2,143,765 | 999,230 | |
| Unrealized Losses | (11,698) | (2,320) | |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | 4,225,781 | 3,185,109 | |
| Unrealized Gains | 3,054 | 4,521 | |
| Unrealized Losses | (32,999) | (14,885) | |
| Fair Value | 4,195,836 | 3,174,745 | |
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] | |||
| Fair Value of Investments, Less than 12 months | 3,153,483 | 1,682,348 | |
| Unrealized Losses, Less than 12 months | (30,230) | (9,705) | |
| Fair Value of Investments, 12 months or longer | 150,058 | 783,558 | |
| Unrealized Losses, 12 months or longer | (2,769) | (5,180) | |
| Fair Value of Investments | 3,303,541 | 2,465,906 | |
| Unrealized Losses | (32,999) | (14,885) | |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | 370,779 | 131,580 | |
| Unrealized Gains | 758 | 371 | |
| Unrealized Losses | (33) | 0 | |
| Fair Value | 371,504 | 131,951 | |
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] | |||
| Fair Value of Investments, Less than 12 months | 170,350 | ||
| Unrealized Losses, Less than 12 months | (33) | ||
| Fair Value of Investments, 12 months or longer | 0 | ||
| Unrealized Losses, 12 months or longer | 0 | ||
| Fair Value of Investments | 170,350 | ||
| Unrealized Losses | (33) | ||
| Agency-issued commercial mortgage-backed securities | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | 1,214,716 | 814,589 | |
| Unrealized Gains | 3,405 | 1,026 | |
| Unrealized Losses | (3,475) | (3,800) | |
| Fair Value | 1,214,646 | 811,815 | |
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] | |||
| Fair Value of Investments, Less than 12 months | 823,414 | 629,840 | |
| Unrealized Losses, Less than 12 months | (2,994) | (3,800) | |
| Fair Value of Investments, 12 months or longer | 40,276 | 0 | |
| Unrealized Losses, 12 months or longer | (481) | 0 | |
| Fair Value of Investments | 863,690 | 629,840 | |
| Unrealized Losses | (3,475) | (3,800) | |
| Municipal bonds and notes | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | 67,587 | 83,942 | |
| Unrealized Gains | 55 | 18 | |
| Unrealized Losses | (830) | (657) | |
| Fair Value | 66,812 | 83,303 | |
| Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract] | |||
| Fair Value of Investments, Less than 12 months | 34,278 | 79,141 | |
| Unrealized Losses, Less than 12 months | (274) | (657) | |
| Fair Value of Investments, 12 months or longer | 25,509 | 0 | |
| Unrealized Losses, 12 months or longer | (556) | 0 | |
| Fair Value of Investments | 59,787 | 79,141 | |
| Unrealized Losses | $ (830) | $ (657) | |
Investment Securities - Summary of Remaining Contractual Principal Maturities and Fully Taxable Equivalent Yields on Debt Securities Classified as Held to Maturity (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Federal statutory tax rate | 35.00% | 35.00% | 35.00% |
| Amortized Cost | $ 8,790,963 | $ 7,421,042 | |
| Held-to-maturity securities | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | $ 8,790,963 | ||
| Weighted- Average Yield | 2.01% | ||
| One Year or Less - Amortized Cost | $ 4,674 | ||
| One Year or Less - Weighted- Average Yield | 5.58% | ||
| One Year to Five Years - Amortized Cost | $ 66,329 | ||
| After One Year to Five Years - Weighted- Average Yield | 3.88% | ||
| After Five Years to Ten Years - Amortized Cost | $ 1,197,752 | ||
| After Five Years to Ten Years - Weighted- Average Yield | 2.52% | ||
| After Ten Years - Amortized Cost | $ 7,522,208 | ||
| After Ten Years - Weighted- Average Yield | 1.91% | ||
| Held-to-maturity securities | Lower Limit | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Mortgage-backed securities contractual maturities (in years) | 10 years | ||
| Held-to-maturity securities | Upper Limit | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Mortgage-backed securities contractual maturities (in years) | 30 years | ||
| U.S. agency debentures | Held-to-maturity securities | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | $ 545,473 | ||
| Weighted- Average Yield | 2.69% | ||
| One Year or Less - Amortized Cost | $ 0 | ||
| One Year or Less - Weighted- Average Yield | 0.00% | ||
| One Year to Five Years - Amortized Cost | $ 0 | ||
| After One Year to Five Years - Weighted- Average Yield | 0.00% | ||
| After Five Years to Ten Years - Amortized Cost | $ 545,473 | ||
| After Five Years to Ten Years - Weighted- Average Yield | 2.69% | ||
| After Ten Years - Amortized Cost | $ 0 | ||
| After Ten Years - Weighted- Average Yield | 0.00% | ||
| Agency-issued mortgage-backed securities | Held-to-maturity securities | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | $ 2,366,627 | ||
| Weighted- Average Yield | 2.40% | ||
| One Year or Less - Amortized Cost | $ 0 | ||
| One Year or Less - Weighted- Average Yield | 0.00% | ||
| One Year to Five Years - Amortized Cost | $ 38,436 | ||
| After One Year to Five Years - Weighted- Average Yield | 2.38% | ||
| After Five Years to Ten Years - Amortized Cost | $ 621,748 | ||
| After Five Years to Ten Years - Weighted- Average Yield | 2.20% | ||
| After Ten Years - Amortized Cost | $ 1,706,443 | ||
| After Ten Years - Weighted- Average Yield | 2.47% | ||
| Residential mortgage-backed securities | Held-to-maturity securities | Agency-issued collateralized mortgage obligations | Fixed rate | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | $ 4,225,781 | ||
| Weighted- Average Yield | 1.72% | ||
| One Year or Less - Amortized Cost | $ 0 | ||
| One Year or Less - Weighted- Average Yield | 0.00% | ||
| One Year to Five Years - Amortized Cost | $ 0 | ||
| After One Year to Five Years - Weighted- Average Yield | 0.00% | ||
| After Five Years to Ten Years - Amortized Cost | $ 0 | ||
| After Five Years to Ten Years - Weighted- Average Yield | 0.00% | ||
| After Ten Years - Amortized Cost | $ 4,225,781 | ||
| After Ten Years - Weighted- Average Yield | 1.72% | ||
| Residential mortgage-backed securities | Held-to-maturity securities | Agency-issued collateralized mortgage obligations | Variable rate | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | $ 370,779 | ||
| Weighted- Average Yield | 0.74% | ||
| One Year or Less - Amortized Cost | $ 0 | ||
| One Year or Less - Weighted- Average Yield | 0.00% | ||
| One Year to Five Years - Amortized Cost | $ 0 | ||
| After One Year to Five Years - Weighted- Average Yield | 0.00% | ||
| After Five Years to Ten Years - Amortized Cost | $ 0 | ||
| After Five Years to Ten Years - Weighted- Average Yield | 0.00% | ||
| After Ten Years - Amortized Cost | $ 370,779 | ||
| After Ten Years - Weighted- Average Yield | 0.74% | ||
| Agency-issued commercial mortgage-backed securities | Held-to-maturity securities | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | $ 1,214,716 | ||
| Weighted- Average Yield | 2.12% | ||
| One Year or Less - Amortized Cost | $ 0 | ||
| One Year or Less - Weighted- Average Yield | 0.00% | ||
| One Year to Five Years - Amortized Cost | $ 0 | ||
| After One Year to Five Years - Weighted- Average Yield | 0.00% | ||
| After Five Years to Ten Years - Amortized Cost | $ 0 | ||
| After Five Years to Ten Years - Weighted- Average Yield | 0.00% | ||
| After Ten Years - Amortized Cost | $ 1,214,716 | ||
| After Ten Years - Weighted- Average Yield | 2.12% | ||
| Municipal bonds and notes | Held-to-maturity securities | |||
| Schedule of Held-to-maturity Securities [Line Items] | |||
| Amortized Cost | $ 67,587 | ||
| Weighted- Average Yield | 6.04% | ||
| One Year or Less - Amortized Cost | $ 4,674 | ||
| One Year or Less - Weighted- Average Yield | 5.58% | ||
| One Year to Five Years - Amortized Cost | $ 27,893 | ||
| After One Year to Five Years - Weighted- Average Yield | 5.95% | ||
| After Five Years to Ten Years - Amortized Cost | $ 30,531 | ||
| After Five Years to Ten Years - Weighted- Average Yield | 6.14% | ||
| After Ten Years - Amortized Cost | $ 4,489 | ||
| After Ten Years - Weighted- Average Yield | 6.34% | ||
Investment Securities - Non-marketable and Other Securities (Detail) $ in Thousands |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
|
Dec. 31, 2015
USD ($)
Investment
|
Dec. 31, 2014
USD ($)
Investment
|
Dec. 31, 2013
USD ($)
Investment
|
|||||
| Investment Holdings [Line Items] | |||||||
| Total non-marketable and other securities | [1],[2] | $ 674,946 | $ 1,728,140 | ||||
| Upper Limit | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership interest percentage | 5.00% | 5.00% | |||||
| Fair value accounting | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 548 | $ 108,251 | |||||
| Debt Securities | Equity method accounting | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | 21,970 | 26,672 | |||||
| Debt Securities | Equity method accounting | Gold Hill Capital 2008, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 17,453 | $ 21,294 | |||||
| Ownership percentage of each Fund | 15.50% | 15.50% | |||||
| Debt Securities | Equity method accounting | Other investments | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 4,517 | $ 5,378 | |||||
| Venture capital and private equity fund investments | SVB Strategic Investors Fund II, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | 10,035 | ||||||
| Venture capital and private equity fund investments | SVB Strategic Investors Fund III, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | 23,926 | ||||||
| Venture capital and private equity fund investments | SVB Strategic Investors Fund IV, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | 26,411 | ||||||
| Venture capital and private equity fund investments | Other investments | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | 25,333 | ||||||
| Venture capital and private equity fund investments | Fair value accounting | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | 152,237 | 1,130,882 | |||||
| Non-marketable securities | 233,000 | 234,000 | |||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Strategic Investors Fund, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 20,794 | $ 24,645 | |||||
| Ownership percentage of each Fund | 12.60% | 12.60% | |||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Strategic Investors Fund II, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 97,250 | ||||||
| Ownership percentage of each Fund | 8.60% | 8.60% | |||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Strategic Investors Fund III, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 269,821 | ||||||
| Ownership percentage of each Fund | 5.90% | 5.90% | |||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Strategic Investors Fund IV, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 291,291 | ||||||
| Ownership percentage of each Fund | 5.00% | 5.00% | |||||
| Venture capital and private equity fund investments | Fair value accounting | Strategic Investors Fund V Funds | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 0 | $ 226,111 | |||||
| Venture capital and private equity fund investments | Fair value accounting | Strategic Investors Fund VI Funds | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 0 | $ 89,605 | |||||
| Ownership percentage of each Fund | 0.00% | 0.00% | |||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Capital Preferred Return Fund, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 60,619 | $ 62,110 | |||||
| Ownership percentage of each Fund | 20.00% | 20.00% | |||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Capital-NT Growth Partners, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 62,983 | $ 61,973 | |||||
| Ownership percentage of each Fund | 33.00% | 33.00% | |||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Capital Partners II, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 0 | $ 302 | |||||
| Ownership percentage of each Fund | 0.00% | 5.10% | |||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Capital Partners II, LP | Direct ownership interest | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership percentage of each Fund | 1.30% | ||||||
| Venture capital and private equity fund investments | Fair value accounting | SVB Capital Partners II, LP | Indirect ownership interest | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership percentage of each Fund | 3.80% | ||||||
| Venture capital and private equity fund investments | Fair value accounting | Other private equity fund | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 7,841 | $ 7,774 | |||||
| Ownership percentage of each Fund | 58.20% | 58.20% | |||||
| Venture capital and private equity fund investments | Fair value accounting | Other private equity fund | Direct ownership interest | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership percentage of each Fund | 41.50% | ||||||
| Venture capital and private equity fund investments | Equity method accounting | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 85,705 | $ 0 | |||||
| Venture capital and private equity fund investments | Cost method accounting | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 120,676 | $ 140,551 | |||||
| Number of investments | Investment | 267 | 281 | 288 | ||||
| Other venture capital investments | Fair value accounting | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 2,040 | $ 71,204 | |||||
| Other venture capital investments | Fair value accounting | SVB Capital Partners II, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 0 | $ 20,481 | |||||
| Ownership percentage of each Fund | 0.00% | 5.10% | |||||
| Other venture capital investments | Fair value accounting | Silicon Valley BancVentures, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 2,040 | $ 3,291 | |||||
| Ownership percentage of each Fund | 10.70% | 10.70% | |||||
| Other venture capital investments | Fair value accounting | Capital Partners III, LP | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 0 | $ 41,055 | |||||
| Ownership percentage of each Fund | 0.00% | 0.00% | |||||
| Other venture capital investments | Fair value accounting | SVB Capital Shanghai Yangpu Venture Capital Fund | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 0 | $ 6,377 | |||||
| Ownership percentage of each Fund | 0.00% | 6.80% | |||||
| Other investments | Fair value accounting | SVB Capital Preferred Return Fund, LP | Indirect ownership interest | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership percentage of each Fund | 4.10% | ||||||
| Other investments | Fair value accounting | SVB Capital-NT Growth Partners, LP | Indirect ownership interest | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership percentage of each Fund | 12.60% | ||||||
| Other investments | Fair value accounting | Other private equity fund | Direct ownership interest | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership percentage of each Fund | 41.50% | ||||||
| Other investments | Equity method accounting | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 118,532 | $ 116,002 | |||||
| Other investments | Equity method accounting | Gold Hill Capital 2008, LP | Direct ownership interest | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership percentage of each Fund | 11.50% | ||||||
| Other investments | Equity method accounting | Gold Hill Capital 2008, LP | Indirect ownership interest | |||||||
| Investment Holdings [Line Items] | |||||||
| Ownership percentage of each Fund | 4.00% | ||||||
| Other investments | Equity method accounting | China Joint Venture investment | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 78,799 | $ 79,569 | |||||
| Ownership percentage of each Fund | 50.00% | 50.00% | |||||
| Other investments | Equity method accounting | Other investments | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | $ 39,733 | $ 36,433 | |||||
| Other investments | Cost method accounting | |||||||
| Investment Holdings [Line Items] | |||||||
| Non-marketable securities | 18,882 | 13,423 | |||||
| Low income housing tax credit funds | |||||||
| Investment Holdings [Line Items] | |||||||
| Tax Credits And Other Tax Benefits Recognized | 14,375 | 12,109 | $ 8,762 | ||||
| Non-marketable and other securities | 154,356 | 121,155 | |||||
| Amortization Expense Included In Provision For Income Taxes | $ 10,389 | 9,340 | $ 6,802 | ||||
| Unfunded loan commitments | |||||||
| Investment Holdings [Line Items] | |||||||
| Accrued expenses and other liabilities | $ 65,921 | ||||||
| |||||||
Investment Securities - Components of Gains and Losses (Realized and Unrealized) on Investment Securities (Detail) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2015
USD ($)
Investment
|
Dec. 31, 2014
USD ($)
Investment
|
Dec. 31, 2013
USD ($)
Investment
|
|
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | $ 107,886,000 | $ 551,681,000 | $ 455,531,000 |
| Gross losses on investment securities | (18,441,000) | (284,658,000) | (36,123,000) |
| Gains on investment securities, net | 89,445,000 | 267,023,000 | 419,408,000 |
| Other than Temporary Impairment Losses, Investments | 0 | 0 | 3,900,000 |
| Cost method accounting | Venture capital and private equity fund investments | |||
| Gain (Loss) on Investments [Line Items] | |||
| Recognized other-than-temporary impairment (OTTI) losses | $ 600,000 | $ 800,000 | $ 1,400,000 |
| Number of other-than-temporary impaired investments | Investment | 22 | 27 | 43 |
| Number of investments | Investment | 267 | 281 | 288 |
| Available-for-sale Securities | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | $ 2,972,000 | $ 658,000 | $ 3,887,000 |
| Gross losses on investment securities | (1,770,000) | (19,255,000) | (3,349,000) |
| Non-marketable securities | Fair value accounting | Venture capital and private equity fund investments | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | 32,399,000 | 349,747,000 | 186,404,000 |
| Gross losses on investment securities | (9,210,000) | (86,263,000) | (17,185,000) |
| Non-marketable securities | Fair value accounting | Other venture capital investments | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | 1,512,000 | 17,309,000 | 9,241,000 |
| Gross losses on investment securities | (320,000) | (4,516,000) | (3,496,000) |
| Non-marketable securities | Fair value accounting | Other securities | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | 9,180,000 | 151,007,000 | 227,252,000 |
| Gross losses on investment securities | (1,559,000) | (170,890,000) | (2,962,000) |
| Non-marketable securities | Equity method accounting | Venture capital and private equity fund investments | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | 26,415,000 | 1,661,000 | 878,000 |
| Gross losses on investment securities | (909,000) | (231,000) | (2,536,000) |
| Non-marketable securities | Equity method accounting | Debt Securities | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | 4,111,000 | 4,749,000 | 9,988,000 |
| Gross losses on investment securities | (774,000) | (1,558,000) | (546,000) |
| Non-marketable securities | Equity method accounting | Other investments | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | 2,791,000 | 4,755,000 | 7,369,000 |
| Gross losses on investment securities | (3,146,000) | (759,000) | (29,000) |
| Non-marketable securities | Cost method accounting | Venture capital and private equity fund investments | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | 25,908,000 | 16,001,000 | 10,081,000 |
| Gross losses on investment securities | (729,000) | (827,000) | (1,700,000) |
| Non-marketable securities | Cost method accounting | Other investments | |||
| Gain (Loss) on Investments [Line Items] | |||
| Gross gains on investment securities | 2,598,000 | 5,794,000 | 431,000 |
| Gross losses on investment securities | $ (24,000) | $ (359,000) | $ (4,320,000) |
Loans and Allowance for Loan Losses - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Receivables [Abstract] | |||
| Deferred loan fee income | $ 115,000 | $ 104,000 | |
| Loans modified in TDRs | 111,725 | 7,151 | |
| Unfunded commitments available for funding | 1,000 | ||
| Loans modified in TDRs during the period | $ 110,371 | $ 2,738 | $ 13,848 |
Loans and Allowance for Loan Losses - Composition of Loans, Net of Unearned Income (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | $ 16,742,070 | $ 14,384,276 |
| Commercial loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 14,970,747 | 13,105,641 |
| Commercial loans | Software and internet | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 5,437,915 | 4,954,676 |
| Commercial loans | Hardware | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 1,071,528 | 1,131,006 |
| Commercial loans | Private equity/venture capital | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 5,467,577 | 4,582,906 |
| Commercial loans | Life science/healthcare | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 1,710,642 | 1,289,904 |
| Commercial loans | Premium wine | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 847,295 | 794,321 |
| Commercial loans | Commercial Other Financing Receivable | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 312,278 | 234,551 |
| Commercial loans | Commercial Loans Receivable excluding Construction and Real Estate Secured | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 14,201,115 | 12,380,611 |
| Commercial loans | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 435,790 | 352,828 |
| Real estate secured loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 2,235,390 | 1,764,519 |
| Real estate secured loans | Premium wine | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 646,120 | 606,753 |
| Real estate secured loans | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 44,830 | 39,651 |
| Construction Loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 78,682 | 78,626 |
| Consumer loans | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 226,883 | 160,520 |
| Consumer loans | Real estate secured consumer loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 1,544,440 | 1,118,115 |
| Non-real Estate Secured Commercial Loans | Commercial loans | Premium wine | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | $ 201,175 | $ 187,568 |
Loans and Allowance for Loan Losses - Composition of Loans, Net of Unearned Income (Footnote Information) (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | $ 16,742,070 | $ 14,384,276 |
| Credit card receivable | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Credit card loans | 177,000 | 131,000 |
| Premium wine | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Gross construction loans | 121,000 | 112,000 |
| Consumer loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 1,771,323 | 1,278,635 |
| Consumer loans | Real estate secured consumer loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 1,544,440 | 1,118,115 |
| Consumer loans | Real estate secured consumer loans | Loans for personal residence | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 1,312,818 | 918,629 |
| Consumer loans | Real estate secured consumer loans | Loans to eligible employees | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | 156,001 | 133,568 |
| Consumer loans | Real estate secured consumer loans | Home equity lines of credit | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Loans, net of unearned income | $ 75,621 | $ 65,918 |
Loans and Allowance for Loan Losses - Composition of Loans, Net of Unearned Income, Broken Out by Portfolio Segment and Class of Financing Receivable (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | $ 57,773 | $ 15,051 |
| Loans, net of unearned income | 16,742,070 | 14,384,276 |
| Financing Receivable, Individually Evaluated for Impairment | 182,684 | 38,137 |
| Collectively Evaluated for Impairment | 159,840 | 150,308 |
| Financing Receivable, Collectively Evaluated for Impairment | 16,559,386 | 14,346,139 |
| Commercial loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | 57,630 | 15,020 |
| Loans, net of unearned income | 14,970,747 | 13,105,641 |
| Financing Receivable, Individually Evaluated for Impairment | 182,541 | 37,820 |
| Collectively Evaluated for Impairment | 149,815 | 142,752 |
| Financing Receivable, Collectively Evaluated for Impairment | 14,788,206 | 13,067,821 |
| Commercial loans | Software and internet | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | 34,098 | 13,695 |
| Loans, net of unearned income | 5,437,915 | 4,954,676 |
| Financing Receivable, Individually Evaluated for Impairment | 100,866 | 33,287 |
| Collectively Evaluated for Impairment | 68,947 | 67,286 |
| Financing Receivable, Collectively Evaluated for Impairment | 5,337,049 | 4,921,389 |
| Commercial loans | Hardware | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | 3,160 | 1,133 |
| Loans, net of unearned income | 1,071,528 | 1,131,006 |
| Financing Receivable, Individually Evaluated for Impairment | 27,736 | 2,521 |
| Collectively Evaluated for Impairment | 19,925 | 24,727 |
| Financing Receivable, Collectively Evaluated for Impairment | 1,043,792 | 1,128,485 |
| Commercial loans | Private equity/venture capital | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | 0 | 0 |
| Loans, net of unearned income | 5,467,577 | 4,582,906 |
| Financing Receivable, Individually Evaluated for Impairment | 0 | 0 |
| Collectively Evaluated for Impairment | 35,282 | 27,997 |
| Financing Receivable, Collectively Evaluated for Impairment | 5,467,577 | 4,582,906 |
| Commercial loans | Life science/healthcare | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | 20,230 | 121 |
| Loans, net of unearned income | 1,710,642 | 1,289,904 |
| Financing Receivable, Individually Evaluated for Impairment | 51,354 | 475 |
| Collectively Evaluated for Impairment | 16,346 | 15,087 |
| Financing Receivable, Collectively Evaluated for Impairment | 1,659,288 | 1,289,429 |
| Commercial loans | Premium wine | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | 90 | 0 |
| Loans, net of unearned income | 847,295 | 794,321 |
| Financing Receivable, Individually Evaluated for Impairment | 2,065 | 1,304 |
| Collectively Evaluated for Impairment | 5,115 | 4,473 |
| Financing Receivable, Collectively Evaluated for Impairment | 845,230 | 793,017 |
| Commercial loans | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | 52 | 71 |
| Loans, net of unearned income | 435,790 | 352,828 |
| Financing Receivable, Individually Evaluated for Impairment | 520 | 233 |
| Collectively Evaluated for Impairment | 4,200 | 3,182 |
| Financing Receivable, Collectively Evaluated for Impairment | 435,270 | 352,595 |
| Consumer loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Individually Evaluated for Impairment | 143 | 31 |
| Financing Receivable, Individually Evaluated for Impairment | 143 | 317 |
| Collectively Evaluated for Impairment | 10,025 | 7,556 |
| Financing Receivable, Collectively Evaluated for Impairment | 1,771,180 | 1,278,318 |
| Consumer loans | Real estate secured consumer loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans, net of unearned income | 1,544,440 | 1,118,115 |
| Consumer loans | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans, net of unearned income | $ 226,883 | $ 160,520 |
Loans and Allowance for Loan Losses - Aging of Gross Loans, Broken out by Portfolio Segment and Class of Financing Receivable (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | $ 32,346 | $ 96,090 |
| Current | 16,824,785 | 14,392,676 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 1,302 |
| Total gross loans excluding impaired loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 24,792 | 71,879 |
| Current | 16,649,655 | 14,378,750 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 1,302 |
| Impaired loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 7,554 | 24,211 |
| Current | 175,130 | 13,926 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 0 |
| 30 - 59 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 10,800 | 68,292 |
| 30 - 59 Days Past Due | Total gross loans excluding impaired loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 10,467 | 67,694 |
| 30 - 59 Days Past Due | Impaired loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 333 | 598 |
| 60 - 89 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 14,325 | 4,176 |
| 60 - 89 Days Past Due | Total gross loans excluding impaired loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 14,325 | 2,883 |
| 60 - 89 Days Past Due | Impaired loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 1,293 |
| Greater Than 90 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 7,221 | 23,622 |
| Greater Than 90 Days Past Due | Total gross loans excluding impaired loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 1,302 |
| Greater Than 90 Days Past Due | Impaired loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 7,221 | 22,320 |
| Commercial loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 18,673 | 68,696 |
| Current | 14,885,865 | 13,104,252 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 52 |
| Commercial loans | Software and internet | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 10,022 | 12,668 |
| Current | 5,371,222 | 4,950,291 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 52 |
| Commercial loans | Hardware | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 1,127 | 13,550 |
| Current | 1,051,368 | 1,124,423 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 0 |
| Commercial loans | Private equity/venture capital | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 17 | 40,773 |
| Current | 5,511,912 | 4,580,526 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 0 |
| Commercial loans | Life science/healthcare | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 7,390 | 1,524 |
| Current | 1,665,801 | 1,298,728 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 0 |
| Commercial loans | Premium wine | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 81 | 0 |
| Current | 847,249 | 795,345 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 0 |
| Commercial loans | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 36 | 181 |
| Current | 438,313 | 354,939 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 0 |
| Commercial loans | 30 - 59 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 5,328 | 66,102 |
| Commercial loans | 30 - 59 Days Past Due | Software and internet | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 3,384 | 10,989 |
| Commercial loans | 30 - 59 Days Past Due | Hardware | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 1,061 | 13,424 |
| Commercial loans | 30 - 59 Days Past Due | Private equity/venture capital | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 40,773 |
| Commercial loans | 30 - 59 Days Past Due | Life science/healthcare | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 853 | 738 |
| Commercial loans | 30 - 59 Days Past Due | Premium wine | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 16 | 0 |
| Commercial loans | 30 - 59 Days Past Due | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 14 | 178 |
| Commercial loans | 60 - 89 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 13,345 | 2,542 |
| Commercial loans | 60 - 89 Days Past Due | Software and internet | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 6,638 | 1,627 |
| Commercial loans | 60 - 89 Days Past Due | Hardware | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 66 | 126 |
| Commercial loans | 60 - 89 Days Past Due | Private equity/venture capital | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 17 | 0 |
| Commercial loans | 60 - 89 Days Past Due | Life science/healthcare | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 6,537 | 786 |
| Commercial loans | 60 - 89 Days Past Due | Premium wine | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 65 | 0 |
| Commercial loans | 60 - 89 Days Past Due | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 22 | 3 |
| Commercial loans | Greater Than 90 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 52 |
| Commercial loans | Greater Than 90 Days Past Due | Software and internet | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 52 |
| Commercial loans | Greater Than 90 Days Past Due | Hardware | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 0 |
| Commercial loans | Greater Than 90 Days Past Due | Private equity/venture capital | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 0 |
| Commercial loans | Greater Than 90 Days Past Due | Life science/healthcare | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 0 |
| Commercial loans | Greater Than 90 Days Past Due | Premium wine | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 0 |
| Commercial loans | Greater Than 90 Days Past Due | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 0 |
| Consumer, Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 6,119 | 3,183 |
| Current | 1,763,790 | 1,274,498 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 1,250 |
| Consumer, Other | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 343 | 0 |
| Current | 226,369 | 160,212 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 0 |
| Consumer, Other | Real estate secured consumer loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 5,776 | 3,183 |
| Current | 1,537,421 | 1,114,286 |
| Loans Past Due 90 Days or More Still Accruing Interest | 0 | 1,250 |
| Consumer, Other | 30 - 59 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 5,139 | 1,592 |
| Consumer, Other | 30 - 59 Days Past Due | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 228 | 0 |
| Consumer, Other | 30 - 59 Days Past Due | Real estate secured consumer loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 4,911 | 1,592 |
| Consumer, Other | 60 - 89 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 980 | 341 |
| Consumer, Other | 60 - 89 Days Past Due | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 115 | 0 |
| Consumer, Other | 60 - 89 Days Past Due | Real estate secured consumer loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 865 | 341 |
| Consumer, Other | Greater Than 90 Days Past Due | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 1,250 |
| Consumer, Other | Greater Than 90 Days Past Due | Other | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | 0 | 0 |
| Consumer, Other | Greater Than 90 Days Past Due | Real estate secured consumer loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total Past Due | $ 0 | $ 1,250 |
Loans and Allowance for Loan Losses - Impaired Loans and Allowance for Loan Losses, Broken out by Portfolio Segment and Class of Financing Receivable (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | $ 182,684 | $ 38,137 |
| Impaired Financing Receivable, Unpaid Principal Balance | 213,190 | 42,899 |
| Impaired Financing Receivables With Related Allowance | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 180,592 | 35,523 |
| Impaired Financing Receivables With No Related Allowance | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 2,092 | 2,614 |
| Commercial loans | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 182,541 | 37,820 |
| Impaired Financing Receivable, Unpaid Principal Balance | 211,797 | 41,182 |
| Commercial loans | Software and internet | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 100,866 | 33,287 |
| Impaired Financing Receivable, Unpaid Principal Balance | 125,494 | 34,218 |
| Commercial loans | Hardware | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 27,736 | 2,521 |
| Impaired Financing Receivable, Unpaid Principal Balance | 27,869 | 2,535 |
| Commercial loans | Private equity/venture capital | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 0 |
| Impaired Financing Receivable, Unpaid Principal Balance | 0 | 0 |
| Commercial loans | Life science/healthcare | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 51,354 | 475 |
| Impaired Financing Receivable, Unpaid Principal Balance | 55,310 | 2,453 |
| Commercial loans | Premium wine | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 2,065 | 1,304 |
| Impaired Financing Receivable, Unpaid Principal Balance | 2,604 | 1,743 |
| Commercial loans | Other | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 520 | 233 |
| Impaired Financing Receivable, Unpaid Principal Balance | 520 | 233 |
| Commercial loans | Impaired Financing Receivables With Related Allowance | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 180,449 | 35,398 |
| Commercial loans | Impaired Financing Receivables With Related Allowance | Software and internet | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 100,866 | 33,287 |
| Commercial loans | Impaired Financing Receivables With Related Allowance | Hardware | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 27,736 | 1,403 |
| Commercial loans | Impaired Financing Receivables With Related Allowance | Private equity/venture capital | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 0 |
| Commercial loans | Impaired Financing Receivables With Related Allowance | Life science/healthcare | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 50,429 | 475 |
| Commercial loans | Impaired Financing Receivables With Related Allowance | Premium wine | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 898 | 0 |
| Commercial loans | Impaired Financing Receivables With Related Allowance | Other | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 520 | 233 |
| Commercial loans | Impaired Financing Receivables With No Related Allowance | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 2,092 | 2,422 |
| Commercial loans | Impaired Financing Receivables With No Related Allowance | Software and internet | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 0 |
| Commercial loans | Impaired Financing Receivables With No Related Allowance | Hardware | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 1,118 |
| Commercial loans | Impaired Financing Receivables With No Related Allowance | Private equity/venture capital | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 0 |
| Commercial loans | Impaired Financing Receivables With No Related Allowance | Life science/healthcare | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 925 | 0 |
| Commercial loans | Impaired Financing Receivables With No Related Allowance | Premium wine | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 1,167 | 1,304 |
| Commercial loans | Impaired Financing Receivables With No Related Allowance | Other | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 0 |
| Consumer loans | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 143 | 317 |
| Impaired Financing Receivable, Unpaid Principal Balance | 1,393 | 1,717 |
| Consumer loans | Other | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 125 |
| Impaired Financing Receivable, Unpaid Principal Balance | 0 | 305 |
| Consumer loans | Real estate secured consumer loans | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 143 | 192 |
| Impaired Financing Receivable, Unpaid Principal Balance | 1,393 | 1,412 |
| Consumer loans | Impaired Financing Receivables With Related Allowance | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 143 | 125 |
| Consumer loans | Impaired Financing Receivables With Related Allowance | Other | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 125 |
| Consumer loans | Impaired Financing Receivables With Related Allowance | Real estate secured consumer loans | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 143 | 0 |
| Consumer loans | Impaired Financing Receivables With No Related Allowance | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 192 |
| Consumer loans | Impaired Financing Receivables With No Related Allowance | Other | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | 0 | 0 |
| Consumer loans | Impaired Financing Receivables With No Related Allowance | Real estate secured consumer loans | ||
| Financing Receivable, Impaired [Line Items] | ||
| Impaired Financing Receivable, Recorded Investment | $ 0 | $ 192 |
Loans and Allowance for Loan Losses - Average Impaired Loans, Broken out by Portfolio Segment and Class of Financing Receivable (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | $ 95,188 | $ 24,516 | $ 40,846 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 1,070 | 0 | 0 |
| Private equity/venture capital | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 0 | 0 | 37 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 0 | 0 | 0 |
| Commercial loans | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 94,975 | 23,976 | 36,944 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 1,070 | 0 | 0 |
| Commercial loans | Software and internet | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 63,825 | 14,357 | 6,254 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 344 | 0 | 0 |
| Commercial loans | Hardware | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 8,854 | 6,634 | 24,508 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 574 | 0 | 0 |
| Commercial loans | Life science/healthcare | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 18,083 | 516 | 334 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 132 | 0 | 0 |
| Commercial loans | Premium wine | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 1,455 | 1,381 | 2,210 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 12 | 0 | 0 |
| Commercial loans | Other | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 2,758 | 1,088 | 3,601 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 8 | 0 | 0 |
| Consumer loans | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 213 | 540 | 3,902 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 0 | 0 | 0 |
| Consumer loans | Real estate secured consumer loans | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 172 | 218 | 2,957 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 0 | 0 | 0 |
| Consumer loans | Other Loans | |||
| Financing Receivable, Impaired [Line Items] | |||
| Average impaired loans | 41 | 322 | 945 |
| Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | $ 0 | $ 0 | $ 0 |
Loans and Allowance for Loan Losses - Activity in Allowance for Loan Losses Broken out by Portfolio Segment (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | $ 165,359 | $ 142,886 | $ 165,359 | $ 142,886 | $ 110,651 | ||||||
| Charge-offs | (50,968) | (43,168) | (42,666) | ||||||||
| Recoveries | 5,593 | 6,155 | 11,208 | ||||||||
| Provision for loan losses | $ 31,261 | $ 33,403 | $ 26,513 | 6,452 | $ 40,435 | $ 16,610 | $ 1,947 | 494 | 97,629 | 59,486 | 63,693 |
| Ending Balance | 217,613 | 165,359 | 217,613 | 165,359 | 142,886 | ||||||
| Software and internet | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 64,084 | 64,084 | 42,648 | ||||||||
| Charge-offs | (8,861) | ||||||||||
| Recoveries | 1,934 | ||||||||||
| Provision for loan losses | 28,363 | ||||||||||
| Ending Balance | 64,084 | ||||||||||
| Hardware | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 36,553 | 36,553 | 29,761 | ||||||||
| Charge-offs | (18,819) | ||||||||||
| Recoveries | 2,677 | ||||||||||
| Provision for loan losses | 22,934 | ||||||||||
| Ending Balance | 36,553 | ||||||||||
| Private equity/venture capital | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 16,385 | 16,385 | 9,963 | ||||||||
| Charge-offs | 0 | ||||||||||
| Recoveries | 0 | ||||||||||
| Provision for loan losses | 6,422 | ||||||||||
| Ending Balance | 16,385 | ||||||||||
| Life science/healthcare | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 11,926 | 11,926 | 13,606 | ||||||||
| Charge-offs | (6,010) | ||||||||||
| Recoveries | 1,860 | ||||||||||
| Provision for loan losses | 2,470 | ||||||||||
| Ending Balance | 11,926 | ||||||||||
| Premium wine | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 3,914 | 3,914 | 3,523 | ||||||||
| Charge-offs | 0 | ||||||||||
| Recoveries | 170 | ||||||||||
| Provision for loan losses | 221 | ||||||||||
| Ending Balance | 3,914 | ||||||||||
| Other | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 3,680 | 3,680 | 3,912 | ||||||||
| Charge-offs | (8,107) | ||||||||||
| Recoveries | 2,995 | ||||||||||
| Provision for loan losses | 4,880 | ||||||||||
| Ending Balance | 3,680 | ||||||||||
| Commercial loans | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 157,772 | 136,542 | 157,772 | 136,542 | 103,413 | ||||||
| Charge-offs | (50,672) | (43,168) | (41,797) | ||||||||
| Recoveries | 5,430 | 5,776 | 9,636 | ||||||||
| Provision for loan losses | 94,915 | 58,622 | 65,290 | ||||||||
| Ending Balance | 207,445 | 157,772 | 207,445 | 157,772 | 136,542 | ||||||
| Commercial loans | Software and internet | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 80,981 | 64,084 | 80,981 | 64,084 | |||||||
| Charge-offs | (33,246) | (21,031) | |||||||||
| Recoveries | 1,621 | 1,425 | |||||||||
| Provision for loan losses | 53,689 | 36,503 | |||||||||
| Ending Balance | 103,045 | 80,981 | 103,045 | 80,981 | 64,084 | ||||||
| Commercial loans | Hardware | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 25,860 | 36,553 | 25,860 | 36,553 | |||||||
| Charge-offs | (5,145) | (15,265) | |||||||||
| Recoveries | 3,332 | 2,238 | |||||||||
| Provision for loan losses | (962) | 2,334 | |||||||||
| Ending Balance | 23,085 | 25,860 | 23,085 | 25,860 | 36,553 | ||||||
| Commercial loans | Private equity/venture capital | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 27,997 | 16,385 | 27,997 | 16,385 | |||||||
| Charge-offs | 0 | 0 | |||||||||
| Recoveries | 0 | 0 | |||||||||
| Provision for loan losses | 7,285 | 11,612 | |||||||||
| Ending Balance | 35,282 | 27,997 | 35,282 | 27,997 | 16,385 | ||||||
| Commercial loans | Life science/healthcare | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 15,208 | 11,926 | 15,208 | 11,926 | |||||||
| Charge-offs | (7,291) | (2,951) | |||||||||
| Recoveries | 277 | 374 | |||||||||
| Provision for loan losses | 28,382 | 5,859 | |||||||||
| Ending Balance | 36,576 | 15,208 | 36,576 | 15,208 | 11,926 | ||||||
| Commercial loans | Premium wine | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 4,473 | 3,914 | 4,473 | 3,914 | |||||||
| Charge-offs | 0 | (35) | |||||||||
| Recoveries | 7 | 240 | |||||||||
| Provision for loan losses | 725 | 354 | |||||||||
| Ending Balance | 5,205 | 4,473 | 5,205 | 4,473 | 3,914 | ||||||
| Commercial loans | Other | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | 3,253 | 3,680 | 3,253 | 3,680 | |||||||
| Charge-offs | (4,990) | (3,886) | |||||||||
| Recoveries | 193 | 1,499 | |||||||||
| Provision for loan losses | 5,796 | 1,960 | |||||||||
| Ending Balance | 4,252 | 3,253 | 4,252 | 3,253 | 3,680 | ||||||
| Consumer loans | |||||||||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||||||||
| Beginning Balance | $ 7,587 | $ 6,344 | 7,587 | 6,344 | 7,238 | ||||||
| Charge-offs | (296) | 0 | (869) | ||||||||
| Recoveries | 163 | 379 | 1,572 | ||||||||
| Provision for loan losses | 2,714 | 864 | (1,597) | ||||||||
| Ending Balance | $ 10,168 | $ 7,587 | $ 10,168 | $ 7,587 | $ 6,344 | ||||||
Loans and Allowance for Loan Losses - Allowance for Loan Losses Individually and Collectively Evaluated for Impairment (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | $ 57,773 | $ 15,051 |
| Financing Receivable, Individually Evaluated for Impairment | 182,684 | 38,137 |
| Collectively Evaluated for Impairment | 159,840 | 150,308 |
| Financing Receivable, Collectively Evaluated for Impairment | 16,559,386 | 14,346,139 |
| Commercial loans | ||
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | 57,630 | 15,020 |
| Financing Receivable, Individually Evaluated for Impairment | 182,541 | 37,820 |
| Collectively Evaluated for Impairment | 149,815 | 142,752 |
| Financing Receivable, Collectively Evaluated for Impairment | 14,788,206 | 13,067,821 |
| Commercial loans | Software and internet | ||
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | 34,098 | 13,695 |
| Financing Receivable, Individually Evaluated for Impairment | 100,866 | 33,287 |
| Collectively Evaluated for Impairment | 68,947 | 67,286 |
| Financing Receivable, Collectively Evaluated for Impairment | 5,337,049 | 4,921,389 |
| Commercial loans | Hardware | ||
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | 3,160 | 1,133 |
| Financing Receivable, Individually Evaluated for Impairment | 27,736 | 2,521 |
| Collectively Evaluated for Impairment | 19,925 | 24,727 |
| Financing Receivable, Collectively Evaluated for Impairment | 1,043,792 | 1,128,485 |
| Commercial loans | Private equity/venture capital | ||
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | 0 | 0 |
| Financing Receivable, Individually Evaluated for Impairment | 0 | 0 |
| Collectively Evaluated for Impairment | 35,282 | 27,997 |
| Financing Receivable, Collectively Evaluated for Impairment | 5,467,577 | 4,582,906 |
| Commercial loans | Life science/healthcare | ||
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | 20,230 | 121 |
| Financing Receivable, Individually Evaluated for Impairment | 51,354 | 475 |
| Collectively Evaluated for Impairment | 16,346 | 15,087 |
| Financing Receivable, Collectively Evaluated for Impairment | 1,659,288 | 1,289,429 |
| Commercial loans | Premium wine | ||
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | 90 | 0 |
| Financing Receivable, Individually Evaluated for Impairment | 2,065 | 1,304 |
| Collectively Evaluated for Impairment | 5,115 | 4,473 |
| Financing Receivable, Collectively Evaluated for Impairment | 845,230 | 793,017 |
| Commercial loans | Other | ||
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | 52 | 71 |
| Financing Receivable, Individually Evaluated for Impairment | 520 | 233 |
| Collectively Evaluated for Impairment | 4,200 | 3,182 |
| Financing Receivable, Collectively Evaluated for Impairment | 435,270 | 352,595 |
| Consumer loans | ||
| Financing Receivable, Impaired [Line Items] | ||
| Individually Evaluated for Impairment | 143 | 31 |
| Financing Receivable, Individually Evaluated for Impairment | 143 | 317 |
| Collectively Evaluated for Impairment | 10,025 | 7,556 |
| Financing Receivable, Collectively Evaluated for Impairment | $ 1,771,180 | $ 1,278,318 |
Loans and Allowance for Loan Losses - Credit Quality Indicators, Broken out by Portfolio Segment and Class of Financing Receivables (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | $ 16,857,131 | $ 14,488,766 |
| Pass | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 15,926,946 | 13,729,421 |
| Performing (Criticized) | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 747,501 | 721,208 |
| Performing Impaired | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 59,292 | 0 |
| Non Performing Impaired | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 123,392 | 38,137 |
| Commercial loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 15,087,079 | 13,210,768 |
| Commercial loans | Software and internet | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 5,482,110 | 4,996,246 |
| Commercial loans | Hardware | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 1,080,231 | 1,140,494 |
| Commercial loans | Private equity/venture capital | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 5,511,929 | 4,621,299 |
| Commercial loans | Life science/healthcare | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 1,724,545 | 1,300,727 |
| Commercial loans | Premium wine | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 849,395 | 796,649 |
| Commercial loans | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 438,869 | 355,353 |
| Commercial loans | Pass | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 14,162,877 | 12,458,863 |
| Commercial loans | Pass | Software and internet | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 4,933,179 | 4,611,253 |
| Commercial loans | Pass | Hardware | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 955,675 | 945,998 |
| Commercial loans | Pass | Private equity/venture capital | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 5,474,929 | 4,615,231 |
| Commercial loans | Pass | Life science/healthcare | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 1,544,555 | 1,165,266 |
| Commercial loans | Pass | Premium wine | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 825,058 | 774,962 |
| Commercial loans | Pass | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 429,481 | 346,153 |
| Commercial loans | Performing (Criticized) | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 741,661 | 714,085 |
| Commercial loans | Performing (Criticized) | Software and internet | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 448,065 | 351,706 |
| Commercial loans | Performing (Criticized) | Hardware | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 96,820 | 191,975 |
| Commercial loans | Performing (Criticized) | Private equity/venture capital | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 37,000 | 6,068 |
| Commercial loans | Performing (Criticized) | Life science/healthcare | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 128,636 | 134,986 |
| Commercial loans | Performing (Criticized) | Premium wine | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 22,272 | 20,383 |
| Commercial loans | Performing (Criticized) | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 8,868 | 8,967 |
| Commercial loans | Performing Impaired | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 59,292 | 0 |
| Commercial loans | Performing Impaired | Software and internet | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 23,321 | 0 |
| Commercial loans | Performing Impaired | Hardware | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 27,306 | 0 |
| Commercial loans | Performing Impaired | Private equity/venture capital | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 0 | 0 |
| Commercial loans | Performing Impaired | Life science/healthcare | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 7,247 | 0 |
| Commercial loans | Performing Impaired | Premium wine | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 898 | 0 |
| Commercial loans | Performing Impaired | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 520 | 0 |
| Commercial loans | Non Performing Impaired | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 123,249 | 37,820 |
| Commercial loans | Non Performing Impaired | Software and internet | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 77,545 | 33,287 |
| Commercial loans | Non Performing Impaired | Hardware | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 430 | 2,521 |
| Commercial loans | Non Performing Impaired | Private equity/venture capital | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 0 | 0 |
| Commercial loans | Non Performing Impaired | Life science/healthcare | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 44,107 | 475 |
| Commercial loans | Non Performing Impaired | Premium wine | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 1,167 | 1,304 |
| Commercial loans | Non Performing Impaired | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 0 | 233 |
| Consumer loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 1,770,052 | 1,277,998 |
| Consumer loans | Real estate secured consumer loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 1,543,340 | 1,117,661 |
| Consumer loans | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 226,712 | 160,337 |
| Consumer loans | Pass | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 1,764,069 | 1,270,558 |
| Consumer loans | Pass | Real estate secured consumer loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 1,539,468 | 1,112,396 |
| Consumer loans | Pass | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 224,601 | 158,162 |
| Consumer loans | Performing (Criticized) | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 5,840 | 7,123 |
| Consumer loans | Performing (Criticized) | Real estate secured consumer loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 3,729 | 5,073 |
| Consumer loans | Performing (Criticized) | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 2,111 | 2,050 |
| Consumer loans | Performing Impaired | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 0 | 0 |
| Consumer loans | Performing Impaired | Real estate secured consumer loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 0 | 0 |
| Consumer loans | Performing Impaired | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 0 | 0 |
| Consumer loans | Non Performing Impaired | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 143 | 317 |
| Consumer loans | Non Performing Impaired | Real estate secured consumer loans | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | 143 | 192 |
| Consumer loans | Non Performing Impaired | Other | ||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Financing receivable | $ 0 | $ 125 |
Loans and Allowance for Loan Losses - Summary of Loans Modified in Troubled Debt Restructurings ("TDRs") by Portfolio Segment and Class of Financing Receivables (Detail) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2015
USD ($)
troubled_debt_restructuring
|
Dec. 31, 2014
USD ($)
troubled_debt_restructuring
|
Dec. 31, 2013
USD ($)
|
|
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | $ 110,371 | $ 2,738 | $ 13,848 |
| Number of TDRs | troubled_debt_restructuring | 17 | 7 | |
| Loans modified in TDRs | $ 111,725 | $ 7,151 | |
| Commercial loans | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 110,371 | 2,738 | 13,842 |
| Loans modified in TDRs | 111,725 | 7,026 | |
| Commercial loans | Software and internet | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 56,790 | 1,033 | 4,932 |
| Loans modified in TDRs | 56,790 | 3,784 | |
| Commercial loans | Hardware | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 286 | 1,118 | 8,143 |
| Loans modified in TDRs | 473 | 1,118 | |
| Commercial loans | Life science/healthcare | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 51,878 | 0 | 0 |
| Loans modified in TDRs | 51,878 | 0 | |
| Commercial loans | Premium wine | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 898 | 587 | 0 |
| Loans modified in TDRs | 2,065 | 1,891 | |
| Commercial loans | Other | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 519 | 0 | 690 |
| Loans modified in TDRs | 519 | 233 | |
| Consumer loans | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 0 | 0 | 6 |
| Loans modified in TDRs | 0 | 125 | |
| Consumer loans | Other | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 0 | 0 | $ 6 |
| Loans modified in TDRs | $ 0 | 125 | |
| Payment Deferrals Granted | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 1,700 | ||
| Forgiveness Of Principal | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | $ 1,000 | ||
Loans and Allowance for Loan Losses - Recorded Investment in Loans Modified in TDRs (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | $ 110,371,000 | $ 2,738,000 | $ 13,848,000 |
| Partial charge-offs on loans classified as TDRs | 23,500,000 | 0 | 11,100,000 |
| Commercial loans | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 110,371,000 | 2,738,000 | 13,842,000 |
| Commercial loans | Software and internet | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 56,790,000 | 1,033,000 | 4,932,000 |
| Commercial loans | Hardware | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 286,000 | 1,118,000 | 8,143,000 |
| Commercial loans | Private equity/venture capital | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 0 | 0 | 77,000 |
| Commercial loans | Life science/healthcare | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 51,878,000 | 0 | 0 |
| Commercial loans | Premium wine | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 898,000 | 587,000 | 0 |
| Commercial loans | Other | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 519,000 | 0 | 690,000 |
| Consumer loans | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | 0 | 0 | 6,000 |
| Consumer loans | Other | |||
| Financing Receivable, Modifications [Line Items] | |||
| Loans modified in TDRs during the period | $ 0 | $ 0 | $ 6,000 |
Loans and Allowance for Loan Losses - Recorded Investment in Loans Modified in TDRs within Previous 12 months Subsequently Defaulted (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | $ 18,033 | $ 0 | $ 2,036 |
| Commercial loans | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | 18,033 | 0 | 2,030 |
| Commercial loans | Software and internet | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | 16,804 | 0 | 0 |
| Commercial loans | Hardware | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | 286 | 0 | 1,627 |
| Commercial loans | Private equity/venture capital | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | 0 | 0 | 38 |
| Commercial loans | Life science/healthcare | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | 943 | 0 | 0 |
| Commercial loans | Other | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | 0 | 0 | 365 |
| Consumer loans | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | 0 | 0 | 6 |
| Consumer loans | Other | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | 0 | 0 | 6 |
| Consumer loans | Real estate secured consumer loans | |||
| Financing Receivable, Modifications [Line Items] | |||
| TDRs modified within the previous 12 months that defaulted in the period | $ 0 | $ 0 | $ 0 |
Premises and Equipment Components of Premises and Equipment (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Property, Plant and Equipment [Abstract] | ||
| Computer software | $ 170,625 | $ 149,579 |
| Computer hardware | 41,856 | 52,203 |
| Leasehold improvements | 60,339 | 48,780 |
| Furniture and equipment | 28,645 | 24,320 |
| Total | 301,465 | 274,882 |
| Accumulated depreciation and amortization | (198,840) | (195,037) |
| Premises and equipment, net | $ 102,625 | $ 79,845 |
Premises and Equipment Additional Information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Property, Plant and Equipment [Abstract] | |||
| Depreciation and amortization expense | $ 28.3 | $ 30.0 | $ 29.1 |
| Write-off of assets | $ 23.2 | ||
Disposal - Assets Held-for-Sale Income Statement Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |||
| Impairment loss on SVBIF Sale Transaction | $ 0 | $ 13,934 | $ 0 |
| Disposal Group, Held-for-sale, Not Discontinued Operations | SVB India Finance Private Limited, (SVBIF) | |||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |||
| Losses primarily attributable to cumulative foreign currency translation adjustment | 12,934 | ||
| Transaction-related expenses | 1,000 | ||
| Impairment loss on SVBIF Sale Transaction | $ 1,300 | 13,934 | |
| Tax impact of undistributed earnings of SVBIF | 2,900 | ||
| Tax impact from net losses on SVBIF Sale Transaction | (5,398) | ||
| Net tax impact included in income tax expense | (2,498) | ||
| Net Loss on SVBIF Sale Transaction | $ 11,436 | ||
Disposal - Assets Held-for-Sale Balance Sheet Information (Details) - SVB India Finance Private Limited, (SVBIF) $ in Thousands |
Dec. 31, 2014
USD ($)
|
|---|---|
| Global Commercial Bank | |
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |
| Total assets of SVBIF held-for-sale | $ 44,300 |
| Disposal Group, Held-for-sale, Not Discontinued Operations | |
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |
| Cash and due from banks | 3,054 |
| Securities purchased under agreement to resell and other short-term investments | 11,898 |
| Net loans | 26,800 |
| Premises and equipment, net | 24 |
| Accrued interest receivable and other assets | 7,163 |
| Total assets of SVBIF held-for-sale | 48,939 |
| Other Liabilities | 4,686 |
| Total liabilities of SVBIF held-for-sale | $ 4,686 |
Deposits Composition of Deposits (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Deposits [Abstract] | ||
| Noninterest-bearing demand deposits | $ 30,867,497 | $ 24,583,682 |
| Interest bearing checking and savings | 330,525 | 262,800 |
| Money market | 6,128,442 | 6,177,706 |
| Money market deposits in foreign offices | 88,656 | 242,526 |
| Sweep deposits in foreign offices | 1,657,177 | 2,948,658 |
| Time | 70,479 | 128,127 |
| Total deposits | $ 39,142,776 | $ 34,343,499 |
Deposits Additional Information (Detail) - USD ($) $ in Millions |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Deposits [Abstract] | ||
| Time Deposits, $250,000 or More | $ 54 | $ 106 |
| Time Deposit Maturities, Next Twelve Months | $ 54 |
Short-Term Borrowings and Long-Term Debt Outstanding Short Term Borrowings and Long Term Debt (Detail) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2015 |
Jan. 29, 2015 |
Dec. 31, 2014 |
Sep. 30, 2010 |
|
| Debt Outstanding [Line Items] | ||||
| Federal Home Loan Bank Advances | $ 638,000,000 | $ 0 | ||
| Short-term borrowings | 774,900,000 | 7,781,000 | ||
| Total long-term debt | $ 796,702,000 | 451,362,000 | ||
| Federal Home Loan Bank Advances | ||||
| Debt Outstanding [Line Items] | ||||
| Maturity | Jan. 04, 2016 | |||
| Principal value | $ 638,000,000 | |||
| Federal Funds Purchased | ||||
| Debt Outstanding [Line Items] | ||||
| Maturity | Jan. 04, 2016 | |||
| Principal value | $ 135,000,000 | |||
| Short-term borrowings | 135,000,000 | 0 | ||
| Other short-term borrowings | ||||
| Debt Outstanding [Line Items] | ||||
| Principal value | 1,900,000 | |||
| Short-term borrowings | $ 1,900,000 | 7,781,000 | ||
| 3.50% Senior Notes | ||||
| Debt Outstanding [Line Items] | ||||
| Maturity | Jan. 29, 2025 | |||
| Principal value | $ 350,000,000 | $ 350,000,000 | ||
| Senior Notes | $ 346,667,000 | 0 | ||
| 5.375% Senior Notes | ||||
| Debt Outstanding [Line Items] | ||||
| Maturity | Sep. 15, 2020 | |||
| Principal value | $ 350,000,000 | $ 350,000,000 | ||
| Senior Notes | $ 347,016,000 | 346,477,000 | ||
| 6.05% Subordinated Notes | ||||
| Debt Outstanding [Line Items] | ||||
| Maturity | Jun. 01, 2017 | |||
| Principal value | $ 45,964,000 | |||
| Subordinated Notes | $ 48,350,000 | 50,040,000 | ||
| 7.0% Junior Subordinated Debentures | ||||
| Debt Outstanding [Line Items] | ||||
| Maturity | Oct. 15, 2033 | |||
| Principal value | $ 50,000,000 | |||
| Junior Subordinated Debentures | $ 54,669,000 | $ 54,845,000 |
Short-Term Borrowings and Long-Term Debt Outstanding Short Term Borrowings and Long Term Debt (Additional Information) (Detail) - USD ($) |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Jan. 29, 2015 |
Sep. 30, 2010 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Debt Outstanding [Line Items] | |||||
| Proceeds from issuance of 3.50% Senior Notes | $ 346,431,000 | $ 0 | $ 0 | ||
| 3.50% Senior Notes | |||||
| Debt Outstanding [Line Items] | |||||
| Stated interest rate | 3.50% | ||||
| Principal value | $ 350,000,000 | $ 350,000,000 | |||
| Maturity | Jan. 29, 2025 | ||||
| Senior Notes | $ 346,667,000 | $ 0 | |||
| Deferred Finance Costs, Gross | 3,000,000 | ||||
| Debt Instrument, Unamortized Discount | $ 300,000 | ||||
| 5.375% Senior Notes | |||||
| Debt Outstanding [Line Items] | |||||
| Stated interest rate | 5.375% | 5.375% | |||
| Principal value | $ 350,000,000 | $ 350,000,000 | |||
| Maturity | Sep. 15, 2020 | ||||
| Proceeds from issuance of 3.50% Senior Notes | $ 346,400,000 | $ 345,000,000 | |||
| Senior Notes | $ 347,016,000 | $ 346,477,000 | |||
| 3.875% Convertible Notes | |||||
| Debt Outstanding [Line Items] | |||||
| Stated interest rate | 3.875% | ||||
| 6.05% Subordinated Notes | |||||
| Debt Outstanding [Line Items] | |||||
| Fair value of the interest rate swap associated with the notes | $ 2,800,000 | $ 4,600,000 | |||
| Stated interest rate | 6.05% | 6.05% | |||
| Principal value | $ 45,964,000 | ||||
| Maturity | Jun. 01, 2017 | ||||
| 6.05% Subordinated Notes | Interest rate swaps | |||||
| Debt Outstanding [Line Items] | |||||
| Fair value of the interest rate swap associated with the notes | $ 2,800,000 | $ 4,600,000 | |||
| 7.0% Junior Subordinated Debentures | |||||
| Debt Outstanding [Line Items] | |||||
| Stated interest rate | 7.00% | 7.00% | |||
| Principal value | $ 50,000,000 | ||||
| Maturity | Oct. 15, 2033 | ||||
Aggregate Annual Maturities of Long-Term Debt Obligations (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Debt Disclosure [Abstract] | ||
| 2016 | $ 0 | |
| 2017 | 48,350 | |
| 2018 | 0 | |
| 2019 | 0 | |
| 2020 | 347,016 | |
| 2021 and thereafter | 401,336 | |
| Total | $ 796,702 | $ 451,362 |
Short-Term Borrowings and Long-Term Debt - Additional Information (Detail) - USD ($) |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 29, 2015 |
Sep. 30, 2010 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
May. 15, 2007 |
Oct. 30, 2003 |
|
| Debt Disclosure [Line Items] | |||||||||||||||
| Interest expense, debt | $ 34,900,000 | $ 23,200,000 | $ 23,100,000 | ||||||||||||
| Weighted average interest rates associated with short-term borrowings | 0.32% | 0.32% | |||||||||||||
| Short-term borrowings | $ 774,900,000 | $ 7,781,000 | $ 774,900,000 | 7,781,000 | |||||||||||
| Proceeds from issuance of senior notes, net of discount and issuance cost | 346,431,000 | 0 | 0 | ||||||||||||
| Distributions | $ 10,163,000 | $ 10,131,000 | $ 10,155,000 | $ 9,891,000 | $ 8,988,000 | $ 8,761,000 | $ 8,876,000 | $ 8,696,000 | 40,340,000 | 35,321,000 | 32,277,000 | ||||
| Special Purpose Trust Entity | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Distributions | $ 3,500,000 | $ 3,500,000 | $ 3,500,000 | ||||||||||||
| 3.50% Senior Notes | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Stated interest rate | 3.50% | 3.50% | |||||||||||||
| Principal value | $ 350,000,000 | $ 350,000,000 | $ 350,000,000 | ||||||||||||
| Debt Instrument, Unamortized Discount | $ 300,000 | $ 300,000 | |||||||||||||
| Maturity | Jan. 29, 2025 | ||||||||||||||
| 5.375% Senior Notes | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Stated interest rate | 5.375% | 5.375% | 5.375% | 5.375% | |||||||||||
| Principal value | $ 350,000,000 | $ 350,000,000 | $ 350,000,000 | ||||||||||||
| Maturity | Sep. 15, 2020 | ||||||||||||||
| Payments for settlement of 3.875% Convertible Notes | 250,000,000 | ||||||||||||||
| Proceeds from issuance of senior notes, net of discount and issuance cost | $ 346,400,000 | $ 345,000,000 | |||||||||||||
| 3.875% Convertible Notes | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Stated interest rate | 3.875% | 3.875% | |||||||||||||
| 6.05% Subordinated Notes | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Debt Instrument, Unamortized Discount | $ 250,000,000 | ||||||||||||||
| 7.0% Junior Subordinated Debentures | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Principal value | $ 50,000,000.0 | ||||||||||||||
| Debt issuance costs | $ 2,200,000 | ||||||||||||||
| Federal Funds Purchased | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Principal value | 135,000,000 | $ 135,000,000 | |||||||||||||
| Maturity | Jan. 04, 2016 | ||||||||||||||
| Short-term borrowings | 135,000,000 | $ 0 | $ 135,000,000 | $ 0 | |||||||||||
| Federal Home Loan Bank Advances | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Principal value | 638,000,000 | $ 638,000,000 | |||||||||||||
| Maturity | Jan. 04, 2016 | ||||||||||||||
| Market value of collateral pledged | 1,300,000,000 | $ 1,300,000,000 | |||||||||||||
| Unused and available funds | 600,000,000 | 600,000,000 | |||||||||||||
| Federal Reserve Bank Advances | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Market value of collateral pledged | $ 900,000,000 | $ 900,000,000 | |||||||||||||
| 6.05% Subordinated Notes | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Stated interest rate | 6.05% | 6.05% | 6.05% | 6.05% | |||||||||||
| Principal value | $ 45,964,000 | $ 45,964,000 | |||||||||||||
| Maturity | Jun. 01, 2017 | ||||||||||||||
| 7.0% Junior Subordinated Debentures | |||||||||||||||
| Debt Disclosure [Line Items] | |||||||||||||||
| Stated interest rate | 7.00% | 7.00% | 7.00% | 7.00% | |||||||||||
| Principal value | $ 50,000,000 | $ 50,000,000 | |||||||||||||
| Maturity | Oct. 15, 2033 | ||||||||||||||
Derivative Financial Instruments - Additional Information (Detail) |
12 Months Ended |
|---|---|
Dec. 31, 2015 | |
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |
| Managing interest rate risk for senior notes and subordinated notes | To manage interest rate risk for our 6.05% Subordinated Notes, we entered into a fixed-for-floating interest rate swap agreement at the time of debt issuance based upon LIBOR with matched-terms. |
Derivative Financial Instruments Total Notional or Contractual Amounts, Fair Value, Collateral and Net Exposure of Derivative Financial Instruments (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Derivative [Line Items] | ||
| Net Exposure Derivative Instruments | $ 142,446 | $ 119,098 |
| Fair value | 144,346 | 126,879 |
| Collateral | 1,900 | 7,781 |
| Derivatives designated as hedging instruments | Interest rate risks | Interest rate swaps | Other Assets | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 45,964 | 45,964 |
| Fair value | 2,768 | 4,609 |
| Collateral | 0 | 2,970 |
| Net Exposure | 2,768 | 1,639 |
| Derivatives not designated as hedging instruments | Currency exchange risks | ||
| Derivative [Line Items] | ||
| Fair value | 140 | 4,561 |
| Net Exposure Derivative Instruments | 140 | 2,120 |
| Collateral | 0 | 2,441 |
| Derivatives not designated as hedging instruments | Currency exchange risks | Foreign exchange forwards | Other Assets | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 49,287 | 200,957 |
| Fair value | 809 | 5,050 |
| Collateral | 0 | 2,441 |
| Net Exposure | 809 | 2,609 |
| Derivatives not designated as hedging instruments | Currency exchange risks | Foreign exchange forwards | Other liability | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 6,586 | 6,226 |
| Fair value | (669) | (489) |
| Net Exposure Derivative Instruments Liabilities | (669) | (489) |
| Collateral | 0 | 0 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Equity warrant assets | Other Assets | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 210,102 | 197,878 |
| Fair value | 137,105 | 116,604 |
| Collateral | 0 | 0 |
| Net Exposure | 137,105 | 116,604 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Other derivatives | ||
| Derivative [Line Items] | ||
| Fair value | 4,333 | 1,105 |
| Net Exposure Derivative Instruments | 2,433 | (1,265) |
| Collateral | 1,900 | 2,370 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Other derivatives | Foreign exchange forwards | Other Assets | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 935,514 | 801,487 |
| Fair value | 29,722 | 28,954 |
| Collateral | 1,900 | 2,370 |
| Net Exposure | 27,822 | 26,584 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Other derivatives | Foreign exchange forwards | Other liability | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 841,182 | 774,355 |
| Fair value | (24,978) | (27,647) |
| Net Exposure Derivative Instruments Liabilities | (24,978) | (27,647) |
| Collateral | 0 | 0 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Other derivatives | Foreign currency options | Other Assets | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 46,625 | 34,926 |
| Fair value | 706 | 227 |
| Collateral | 0 | 0 |
| Net Exposure | 706 | 227 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Other derivatives | Foreign currency options | Other liability | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 46,625 | 34,926 |
| Fair value | (706) | (227) |
| Net Exposure Derivative Instruments Liabilities | (706) | (227) |
| Collateral | 0 | 0 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Other derivatives | Client interest rate derivatives | Other Assets | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 422,741 | 387,410 |
| Fair value | 3,973 | 2,546 |
| Collateral | 0 | 0 |
| Net Exposure | 3,973 | 2,546 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Other derivatives | Client interest rate derivatives | Other liability | ||
| Derivative [Line Items] | ||
| Notional or Contractual Amount | 422,741 | 387,410 |
| Fair value | (4,384) | (2,748) |
| Net Exposure Derivative Instruments Liabilities | (4,384) | (2,748) |
| Collateral | $ 0 | $ 0 |
Derivative Financial Instruments Total Notional or Contractual Amounts, Fair Value, Collateral and Net Exposure of Derivative Financial Instruments (Footnote Information) (Detail) |
12 Months Ended |
|---|---|
Dec. 31, 2015 | |
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |
| Credit rating of institutional counterparties | The credit ratings of our institutional counterparties as of December 31, 2015 remain at investment grade or higher and there were no material changes in their credit ratings for the year ended December 31, 2015 |
Derivative Financial Instruments Summary of Derivative Activity and Related Impact on Consolidated Statements of Income (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | $ 53,470 | $ 22,139 | $ 31,508 |
| Derivatives designated as hedging instruments | Interest rate risks | Interest rate swaps | Interest expense-borrowings | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | 2,526 | 2,553 | 2,536 |
| Derivatives designated as hedging instruments | Interest rate risks | Interest rate swaps | Net gains on derivative instruments | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | (20) | (50) | 14 |
| Derivatives designated as hedging instruments | Interest rate risks | Interest rate risk | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | 2,506 | 2,503 | 2,550 |
| Derivatives not designated as hedging instruments | Currency exchange risks | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | (358) | (38) | (1,197) |
| Derivatives not designated as hedging instruments | Currency exchange risks | Loans | Other noninterest income | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | (12,735) | (21,636) | 3,016 |
| Derivatives not designated as hedging instruments | Currency exchange risks | Foreign exchange forwards | Net gains on derivative instruments | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | 12,377 | 21,598 | (4,213) |
| Derivatives not designated as hedging instruments | Other derivative instruments | Foreign exchange forwards | Net gains on derivative instruments | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | 694 | 5,081 | (452) |
| Derivatives not designated as hedging instruments | Other derivative instruments | Equity warrant assets | Net gains on derivative instruments | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | 70,963 | 71,012 | 46,101 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Other derivatives | Net gains on derivative instruments | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Unrealized gain (loss) on derivatives | $ (209) | $ (796) | $ 734 |
Derivative Financial Instruments Master Netting Arrangements (Details) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Assets and Liabilities Subject to Master Netting Arrangements [Line Items] | ||
| Gross Amounts Of Recognized Assets | $ 163,374 | $ 137,271 |
| Gross Assets Offset Under Master Netting Arrangements | (5) | (274) |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 163,369 | 136,997 |
| Gross Assets Subject To Master Netting Arrangement Not Offset | (150,979) | (117,783) |
| Cash Collateral Received Subject to Master Netting Arrangements | (1,900) | (7,781) |
| Net Assets After Deducting Amounts Subject to Master Netting Arrangements | 10,490 | 11,433 |
| Gross Amounts Of Recognized Liabilities | 30,742 | 31,385 |
| Gross Liabilities Offset Under Master Netting Arrangements | (5) | (274) |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 30,737 | 31,111 |
| Gross Liabilities Subject To Master Netting Arrangement Not Offset | (15,202) | (19,639) |
| Cash Collateral Pledged Subject to Master Netting Arrangements | 0 | 0 |
| Net Liabilities After Deducting Amounts Subject to Master Netting Arrangements | 15,535 | 11,472 |
| Derivative | ||
| Assets and Liabilities Subject to Master Netting Arrangements [Line Items] | ||
| Gross Amounts Of Recognized Assets | 37,983 | 41,660 |
| Gross Assets Offset Under Master Netting Arrangements | (5) | (274) |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 37,978 | 41,386 |
| Gross Assets Subject To Master Netting Arrangement Not Offset | (25,588) | (22,172) |
| Cash Collateral Received Subject to Master Netting Arrangements | (1,900) | (7,781) |
| Net Assets After Deducting Amounts Subject to Master Netting Arrangements | 10,490 | 11,433 |
| Gross Amounts Of Recognized Liabilities | 30,742 | 31,385 |
| Gross Liabilities Offset Under Master Netting Arrangements | (5) | (274) |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 30,737 | 31,111 |
| Gross Liabilities Subject To Master Netting Arrangement Not Offset | (15,202) | (19,639) |
| Cash Collateral Pledged Subject to Master Netting Arrangements | 0 | 0 |
| Net Liabilities After Deducting Amounts Subject to Master Netting Arrangements | 15,535 | 11,472 |
| Derivative | Interest rate swaps | ||
| Assets and Liabilities Subject to Master Netting Arrangements [Line Items] | ||
| Gross Amounts Of Recognized Assets | 2,768 | 4,609 |
| Gross Assets Offset Under Master Netting Arrangements | 0 | 0 |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 2,768 | 4,609 |
| Gross Assets Subject To Master Netting Arrangement Not Offset | (2,768) | (1,639) |
| Cash Collateral Received Subject to Master Netting Arrangements | 0 | (2,970) |
| Net Assets After Deducting Amounts Subject to Master Netting Arrangements | 0 | 0 |
| Derivative | Foreign exchange forwards | ||
| Assets and Liabilities Subject to Master Netting Arrangements [Line Items] | ||
| Gross Amounts Of Recognized Assets | 30,531 | 34,004 |
| Gross Assets Offset Under Master Netting Arrangements | 0 | 0 |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 30,531 | 34,004 |
| Gross Assets Subject To Master Netting Arrangement Not Offset | (18,141) | (17,843) |
| Cash Collateral Received Subject to Master Netting Arrangements | (1,900) | (4,811) |
| Net Assets After Deducting Amounts Subject to Master Netting Arrangements | 10,490 | 11,350 |
| Gross Amounts Of Recognized Liabilities | 25,647 | 28,136 |
| Gross Liabilities Offset Under Master Netting Arrangements | 0 | 0 |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 25,647 | 28,136 |
| Gross Liabilities Subject To Master Netting Arrangement Not Offset | (10,818) | (16,808) |
| Cash Collateral Pledged Subject to Master Netting Arrangements | 0 | 0 |
| Net Liabilities After Deducting Amounts Subject to Master Netting Arrangements | 14,829 | 11,328 |
| Derivative | Foreign currency options | ||
| Assets and Liabilities Subject to Master Netting Arrangements [Line Items] | ||
| Gross Amounts Of Recognized Assets | 711 | 501 |
| Gross Assets Offset Under Master Netting Arrangements | (5) | (274) |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 706 | 227 |
| Gross Assets Subject To Master Netting Arrangement Not Offset | (706) | (144) |
| Cash Collateral Received Subject to Master Netting Arrangements | 0 | 0 |
| Net Assets After Deducting Amounts Subject to Master Netting Arrangements | 0 | 83 |
| Gross Amounts Of Recognized Liabilities | 711 | 501 |
| Gross Liabilities Offset Under Master Netting Arrangements | (5) | (274) |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 706 | 227 |
| Gross Liabilities Subject To Master Netting Arrangement Not Offset | 0 | (83) |
| Cash Collateral Pledged Subject to Master Netting Arrangements | 0 | 0 |
| Net Liabilities After Deducting Amounts Subject to Master Netting Arrangements | 706 | 144 |
| Derivative | Client interest rate derivatives | ||
| Assets and Liabilities Subject to Master Netting Arrangements [Line Items] | ||
| Gross Amounts Of Recognized Assets | 3,973 | 2,546 |
| Gross Assets Offset Under Master Netting Arrangements | 0 | 0 |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 3,973 | 2,546 |
| Gross Assets Subject To Master Netting Arrangement Not Offset | (3,973) | (2,546) |
| Cash Collateral Received Subject to Master Netting Arrangements | 0 | 0 |
| Net Assets After Deducting Amounts Subject to Master Netting Arrangements | 0 | 0 |
| Gross Amounts Of Recognized Liabilities | 4,384 | 2,748 |
| Gross Liabilities Offset Under Master Netting Arrangements | 0 | 0 |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 4,384 | 2,748 |
| Gross Liabilities Subject To Master Netting Arrangement Not Offset | (4,384) | (2,748) |
| Cash Collateral Pledged Subject to Master Netting Arrangements | 0 | 0 |
| Net Liabilities After Deducting Amounts Subject to Master Netting Arrangements | 0 | 0 |
| Reverse Repurchase Securities Borrowing And Similar Arrangements [Member] | ||
| Assets and Liabilities Subject to Master Netting Arrangements [Line Items] | ||
| Gross Amounts Of Recognized Assets | 125,391 | 95,611 |
| Gross Assets Offset Under Master Netting Arrangements | 0 | 0 |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 125,391 | 95,611 |
| Gross Assets Subject To Master Netting Arrangement Not Offset | (125,391) | (95,611) |
| Cash Collateral Received Subject to Master Netting Arrangements | 0 | 0 |
| Net Assets After Deducting Amounts Subject to Master Netting Arrangements | 0 | 0 |
| Gross Amounts Of Recognized Liabilities | 0 | 0 |
| Gross Liabilities Offset Under Master Netting Arrangements | 0 | 0 |
| Net Amounts Of Assets Presented in Statement Of Financial Position | 0 | 0 |
| Gross Liabilities Subject To Master Netting Arrangement Not Offset | 0 | 0 |
| Cash Collateral Pledged Subject to Master Netting Arrangements | 0 | 0 |
| Net Liabilities After Deducting Amounts Subject to Master Netting Arrangements | $ 0 | $ 0 |
Other Noninterest Income (Loss) and Other Noninterest Expense - Summary of Other Noninterest Income (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Other Income and Expenses [Abstract] | |||
| Fund management fees | $ 15,941 | $ 13,498 | $ 11,163 |
| Service-based fee income | 9,172 | 8,801 | 7,807 |
| Net losses on the sale of certain assets related to our SVBIF business | 0 | (13,934) | 0 |
| (Losses) gains on revaluation of foreign currency instruments | (12,735) | (21,636) | 3,016 |
| Other | 21,784 | 12,011 | 14,153 |
| Total other noninterest income | $ 34,162 | $ (1,260) | $ 36,139 |
Other Noninterest Income (Loss) and Other Noninterest Expense - Summary of Other Noninterest Expense (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|||
| Other Income and Expenses [Abstract] | |||||
| Client services | $ 15,944 | $ 10,692 | $ 8,181 | ||
| Data processing services | 7,316 | 8,079 | 7,895 | ||
| Telephone | 9,398 | 7,250 | 6,258 | ||
| Postage and supplies | 3,154 | 3,196 | 2,462 | ||
| Dues and publications | 2,476 | 2,549 | 1,745 | ||
| Other | 19,999 | 12,939 | 8,950 | ||
| Total other noninterest expense | [1] | $ 58,287 | $ 44,705 | $ 35,491 | |
| |||||
Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Income Taxes [Line Items] | ||
| Valuation allowance | $ (4,730) | $ (8,965) |
| Unrecognized tax benefit | 3,658 | 3,497 |
| Reduction in income tax expense resulting from recognition of unrecognized tax benefit | $ 2,000 | |
| Internal Revenue Service (IRS) | ||
| Income Taxes [Line Items] | ||
| Income tax examination description | Our U.S. federal tax returns for 2012 and subsequent years remain open to full examination. Our California and Massachusetts tax returns for 2011 and subsequent tax years remain open to full examination. | |
| Federal | ||
| Income Taxes [Line Items] | ||
| Operating Loss Carryforwards | $ 10,000 | 16,000 |
| Federal and state net operating loss carryforwards subject to limitations | 5,000 | |
| State and Local Jurisdiction | ||
| Income Taxes [Line Items] | ||
| Operating Loss Carryforwards | 2,000 | 6,000 |
| Federal and state net operating loss carryforwards subject to limitations | 0 | |
| Foreign Tax Authority | ||
| Income Taxes [Line Items] | ||
| Operating Loss Carryforwards | 4,000 | 13,000 |
| Unrecognized Tax Benefits Before Interest And Penalties | ||
| Income Taxes [Line Items] | ||
| Unrecognized tax benefit | $ 3,357 | $ 3,397 |
Income Taxes Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
||||||
| Current provision: | ||||||||||||||||
| Federal | $ 191,194 | $ 181,011 | $ 105,616 | |||||||||||||
| State | 50,815 | 45,488 | 26,204 | |||||||||||||
| Deferred expense (benefit): | ||||||||||||||||
| Federal | (11,270) | (36,067) | 11,960 | |||||||||||||
| State | (1,985) | (6,924) | 3,050 | |||||||||||||
| Income tax expense | $ 53,697 | $ 57,017 | $ 54,974 | $ 63,066 | $ 46,077 | $ 40,207 | $ 35,928 | $ 61,296 | $ 228,754 | [1] | $ 183,508 | [1] | $ 146,830 | [1] | ||
| ||||||||||||||||
Income Taxes Reconciliation between Federal Statutory Income Tax Rate and Effective Income Tax Rate (Detail) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Income Tax Disclosure [Abstract] | |||
| Federal statutory income tax rate | 35.00% | 35.00% | 35.00% |
| State income taxes, net of the federal tax effect | 5.70% | 5.60% | 5.20% |
| Meals and entertainment | 0.30% | 0.30% | 0.40% |
| Disallowed officer's compensation | 0.30% | 0.30% | 0.10% |
| Share-based compensation expense on incentive stock options and ESPP | 0.00% | 0.20% | (0.30%) |
| Tax-exempt interest income | (0.20%) | (0.30%) | (0.30%) |
| Low-income housing tax credit | (0.50%) | (0.50%) | (0.40%) |
| Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent | (0.40%) | (0.00%) | (0.00%) |
| Other, net | (0.30%) | 0.40% | 0.90% |
| Effective income tax rate | 39.90% | 41.00% | 40.60% |
Income Taxes Deferred Tax (Liabilities) Assets (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Deferred tax assets: | ||
| Allowance for loan losses | $ 102,410 | $ 80,554 |
| Loan fee income | 13,770 | 9,738 |
| Other accruals not currently deductible | 12,163 | 7,601 |
| Share-based compensation expense | 11,979 | 15,249 |
| State income taxes | 11,933 | 9,428 |
| Net operating loss | 4,406 | 8,641 |
| Premises and equipment and other intangibles | 1,748 | 1,344 |
| Net unrealized losses on foreign currency translation | 664 | 802 |
| Research and development credit | 324 | 324 |
| Other | 1,957 | 2,983 |
| Deferred tax assets | 161,354 | 136,664 |
| Valuation allowance | (4,730) | (8,965) |
| Net deferred tax assets after valuation allowance | 156,624 | 127,699 |
| Deferred tax liabilities: | ||
| Nonmarketable securities | (35,721) | (31,800) |
| Derivative equity warrant assets | (31,955) | (19,090) |
| Net unrealized gains on available-for-sale securities | (10,199) | (29,600) |
| FHLB stock dividend | (1,247) | (1,230) |
| Other | (3,561) | 0 |
| Deferred tax liabilities | (82,683) | (81,720) |
| Net deferred tax (liabilities) assets | $ 73,941 | $ 45,979 |
Income Taxes Changes in Unrecognized Tax Benefit (Including Interest and Penalties) (Detail) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Reconciliation of Unrecognized Tax Benefits [Line Items] | |
| Beginning Balance | $ 3,497 |
| Additions for tax positions for current year | 1,208 |
| Additions for tax positions for prior years | 228 |
| Reduction for tax positions for prior years | (1,250) |
| Lapse of the applicable statute of limitations | (25) |
| Ending Balance | 3,658 |
| Unrecognized Tax Benefits Before Interest And Penalties | |
| Reconciliation of Unrecognized Tax Benefits [Line Items] | |
| Beginning Balance | 3,397 |
| Additions for tax positions for current year | 1,208 |
| Additions for tax positions for prior years | 0 |
| Reduction for tax positions for prior years | (1,228) |
| Lapse of the applicable statute of limitations | (20) |
| Ending Balance | 3,357 |
| Interest & Penalties | |
| Reconciliation of Unrecognized Tax Benefits [Line Items] | |
| Beginning Balance | 100 |
| Additions for tax positions for current year | 0 |
| Additions for tax positions for prior years | 228 |
| Reduction for tax positions for prior years | (22) |
| Lapse of the applicable statute of limitations | (5) |
| Ending Balance | $ 301 |
Employee Compensation and Benefit Plans Expenses Incurred Under Certain Employee Compensation and Benefit Plans (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Employee Benefits Disclosure [Line Items] | |||
| Incentive Compensation Plans | $ 97,565 | $ 78,014 | $ 66,232 |
| Direct Drive Incentive Compensation Plan | 21,930 | 20,153 | 22,941 |
| Retention Program | 1,996 | 1,792 | 2,577 |
| Warrant Incentive Plan | 9,110 | 3,926 | 5,818 |
| Deferred Compensation Arrangement with Individual, Compensation Expense | 2,404 | 2,458 | 2,650 |
| SVBFG 401(k) Plan | 13,809 | 11,996 | 11,277 |
| SVBFG Employee Stock Ownership Plan | $ 8,585 | $ 6,691 | $ 7,429 |
Employee Compensation and Benefit Plans - Additional Information (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Employee Benefits Disclosure [Line Items] | |||
| Number of days loan rate locked | 30 days | ||
| Defined Contribution Plan Description of 401 K Plan | |||
| Employee Benefits Disclosure [Line Items] | |||
| Maximum percentage of pre-tax income employees are allowed to contribute towards 401(k) plan | 75.00% | ||
| Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount | $ 18,000 | $ 17,500 | $ 17,500 |
| Maximum percentage of employer matching contributions towards 401(k) plan | 5.00% | ||
| Employee Stock Ownership Plan (ESOP), Plan | |||
| Employee Benefits Disclosure [Line Items] | |||
| Maximum percentage of employee's eligible pay earned in the fiscal year contributed by the company in cash or common stock towards ESOP | 10.00% | ||
| ESOP contributions vesting period | 5 years | ||
| Employee Home Ownership Plan | |||
| Employee Benefits Disclosure [Line Items] | |||
| Fixed-rate mortgage loan term, minimum | 5 years | ||
| Fixed-rate mortgage loan term, maximum | 7 years | ||
| Amortization period | 30 years | ||
| Maximum loan amount percentage lesser of purchase price or the appraised value | 80.00% | ||
| Mortgage loans rate | 2.00% | ||
| Variable rate description | The loan rate shall not be less than the greater of either the jumbo conforming market rate (corresponding to the maturity of the loan) or the monthly Applicable Federal Rate for medium-term loans as published by the Internal Revenue Service. The loan rate will be fixed at the time of approval and locked in for 30 days. | ||
| Deferred Compensation Plan | |||
| Employee Benefits Disclosure [Line Items] | |||
| Maximum percentage of base salary that may be deferred under the DC Plan | 50.00% | ||
| Maximum percentage of eligible bonus payment that may be deferred under the DC Plan | 100.00% | ||
| Maximum deferral term under the DC Plan | 12 months | ||
| Deferrals under the DC Plan | $ 3,700,000 | 3,900,000 | 3,600,000 |
| Deferred compensation arrangement with individual employee mandatory retention incentive deferrals | 11,500,000 | ||
| DC Plan investment gains | $ 100,000 | $ 1,400,000 | $ 3,100,000 |
Off-Balance Sheet Arrangements, Guarantees and Other Commitments Minimum Future Payments Under Noncancelable Operating Leases (Detail) $ in Thousands |
Dec. 31, 2015
USD ($)
|
|---|---|
| Disclosure Minimum Future Payments Under Noncancelable Operating Leases [Abstract] | |
| 2016 | $ 21,260 |
| 2017 | 21,056 |
| 2018 | 22,743 |
| 2019 | 23,256 |
| 2020 | 20,667 |
| 2020 and thereafter | 79,428 |
| Net minimum operating lease payments | $ 188,410 |
Off-Balance Sheet Arrangements, Guarantees and Other Commitments Summary Information Related to Commitments to Extend Credit (Excluding Letters of Credit) (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Disclosure Summary Information Related To Commitments To Extend Credit [Abstract] | ||
| Fixed interest rate commitments | $ 1,312,734 | $ 1,591,408 |
| Variable interest rate commitments | 12,822,461 | 11,860,039 |
| Total loan commitments available for funding | 14,135,195 | 13,451,447 |
| Commercial and standby letters of credit | 1,479,164 | 1,254,338 |
| Total unfunded credit commitments | 15,614,359 | 14,705,785 |
| Commitments unavailable for funding | 2,026,532 | 1,868,489 |
| Maximum lending limits for accounts receivable factoring arrangements | 1,006,404 | 1,044,548 |
| Reserve for unfunded credit commitments | $ 34,415 | $ 36,419 |
Off-Balance Sheet Arrangements, Guarantees and Other Commitments Summary of Commercial and Standby Letters of Credit (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Guarantor Obligations [Line Items] | ||
| Expires In One Year or Less | $ 1,386,497 | |
| Expires After One Year | 92,667 | |
| Total Amount Outstanding | 1,479,164 | $ 1,254,338 |
| Maximum Amount of Future Payments | 1,479,164 | |
| Standby Letter of Credit | ||
| Guarantor Obligations [Line Items] | ||
| Securities Collateral Available To Reimburse Letter Of Credit Losses | 500 | |
| Deferred Revenue | 10,000 | $ 8,000 |
| Financial standby letters of credit | ||
| Guarantor Obligations [Line Items] | ||
| Expires In One Year or Less | 1,324,632 | |
| Expires After One Year | 85,790 | |
| Total Amount Outstanding | 1,410,422 | |
| Maximum Amount of Future Payments | 1,410,422 | |
| Performance standby letters of credit | ||
| Guarantor Obligations [Line Items] | ||
| Expires In One Year or Less | 56,599 | |
| Expires After One Year | 6,877 | |
| Total Amount Outstanding | 63,476 | |
| Maximum Amount of Future Payments | 63,476 | |
| Commercial letters of credit | ||
| Guarantor Obligations [Line Items] | ||
| Expires In One Year or Less | 5,266 | |
| Expires After One Year | 0 | |
| Total Amount Outstanding | 5,266 | |
| Maximum Amount of Future Payments | $ 5,266 |
Off-Balance Sheet Arrangements, Guarantees and Other Commitments - Additional Information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Commitments and Contingencies Disclosure [Line Items] | |||
| Rent expense for premises and equipment leased under operating leases | $ 21.9 | $ 20.3 | $ 16.3 |
| Venture capital and private equity fund investments | |||
| Commitments and Contingencies Disclosure [Line Items] | |||
| Commitments to invest, period from the inception of the fund | 10 years | ||
| Committed capital call not generally restricted | 100.00% | ||
| Venture capital and private equity fund investments | Lower Limit | |||
| Commitments and Contingencies Disclosure [Line Items] | |||
| Expected commitment period to invest in venture capital and private equity funds (in years) | 5 years | ||
| Venture capital and private equity fund investments | Upper Limit | |||
| Commitments and Contingencies Disclosure [Line Items] | |||
| Expected commitment period to invest in venture capital and private equity funds (in years) | 7 years | ||
| Standby Letter of Credit | |||
| Commitments and Contingencies Disclosure [Line Items] | |||
| Deferred Revenue | $ 10.0 | $ 8.0 | |
| Collateral in the form of cash | $ 652.0 | ||
Total Capital Commitments, Unfunded Capital Commitments, and Our Ownership in Each Fund (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Unfunded Commitments | $ 7,049 | |
| SVB Strategic Investors Fund, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Unfunded Commitments | 2,250 | |
| SVB Capital Preferred Return Fund, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Unfunded Commitments | 1,514 | |
| SVB Capital-NT Growth Partners, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Unfunded Commitments | 3,285 | |
| Parent Company | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | 470,017 | |
| Unfunded Commitments | 20,571 | |
| Parent Company | Silicon Valley BancVentures, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | 6,000 | |
| Unfunded Commitments | $ 270 | |
| Ownership percentage of each Fund | 10.70% | |
| Parent Company | SVB Capital Partners II, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 1,200 | |
| Unfunded Commitments | $ 162 | |
| Ownership percentage of each Fund | 5.10% | |
| Parent Company | SVB Capital Shanghai Yangpu Venture Capital Fund | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 894 | |
| Unfunded Commitments | $ 0 | |
| Ownership percentage of each Fund | 6.80% | |
| Parent Company | SVB Strategic Investors Fund, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 15,300 | |
| Unfunded Commitments | $ 688 | |
| Ownership percentage of each Fund | 12.60% | |
| Parent Company | SVB Strategic Investors Fund II, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 15,000 | |
| Unfunded Commitments | $ 1,050 | |
| Ownership percentage of each Fund | 8.60% | |
| Parent Company | SVB Strategic Investors Fund III, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 15,000 | |
| Unfunded Commitments | $ 1,275 | |
| Ownership percentage of each Fund | 5.90% | |
| Parent Company | SVB Strategic Investors Fund IV, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 12,239 | |
| Unfunded Commitments | $ 2,325 | |
| Ownership percentage of each Fund | 5.00% | |
| Parent Company | Strategic Investors Fund V Funds | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 515 | |
| Unfunded Commitments | 142 | |
| Parent Company | SVB Capital Preferred Return Fund, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | 12,688 | |
| Unfunded Commitments | $ 0 | |
| Ownership percentage of each Fund | 20.00% | |
| Parent Company | SVB Capital-NT Growth Partners, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 24,670 | |
| Unfunded Commitments | $ 1,340 | |
| Ownership percentage of each Fund | 33.00% | |
| Parent Company | Other private equity fund | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 9,338 | |
| Unfunded Commitments | $ 0 | |
| Ownership percentage of each Fund | 58.20% | |
| Parent Company | Debt Funds (Equity Method Accounting) | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | $ 58,283 | |
| Unfunded Commitments | 0 | |
| Parent Company | Other Fund Investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Capital Commitments | 298,890 | |
| Unfunded Commitments | $ 13,319 | |
| Fair value accounting | Venture capital and private equity fund investments | SVB Capital Partners II, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 0.00% | 5.10% |
| Fair value accounting | Venture capital and private equity fund investments | SVB Strategic Investors Fund, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 12.60% | 12.60% |
| Fair value accounting | Venture capital and private equity fund investments | SVB Strategic Investors Fund II, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 8.60% | 8.60% |
| Fair value accounting | Venture capital and private equity fund investments | SVB Strategic Investors Fund III, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 5.90% | 5.90% |
| Fair value accounting | Venture capital and private equity fund investments | SVB Strategic Investors Fund IV, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 5.00% | 5.00% |
| Fair value accounting | Venture capital and private equity fund investments | Strategic Investors Fund VI Funds | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 0.00% | 0.00% |
| Fair value accounting | Venture capital and private equity fund investments | SVB Capital Preferred Return Fund, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 20.00% | 20.00% |
| Fair value accounting | Venture capital and private equity fund investments | SVB Capital-NT Growth Partners, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 33.00% | 33.00% |
| Fair value accounting | Venture capital and private equity fund investments | Other private equity fund | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 58.20% | 58.20% |
| Fair value accounting | Venture capital and private equity fund investments | Direct ownership interest | SVB Capital Partners II, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 1.30% | |
| Fair value accounting | Venture capital and private equity fund investments | Direct ownership interest | Other private equity fund | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 41.50% | |
| Fair value accounting | Venture capital and private equity fund investments | Indirect ownership interest | SVB Capital Partners II, LP | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Ownership percentage of each Fund | 3.80% | |
Total Capital Commitments, Unfunded Capital Commitments, and Our Ownership in Each Fund (Footnote Information) (Detail) - Investment |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| SVB Capital Partners II, LP | Fair value accounting | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 0.00% | 5.10% |
| SVB Capital Partners II, LP | Fair value accounting | Direct ownership interest | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 1.30% | |
| SVB Capital Partners II, LP | Fair value accounting | Indirect ownership interest | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 3.80% | |
| Other private equity fund | Fair value accounting | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 58.20% | 58.20% |
| Other private equity fund | Fair value accounting | Direct ownership interest | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 41.50% | |
| Other private equity fund | Fair value accounting | Direct ownership interest | Other investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 41.50% | |
| Other Fund Investments | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Number of other funds with investment commitments | 273 | |
| Upper Limit | Other Fund Investments | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 5.00% | |
| SVB Capital-NT Growth Partners, LP | Other private equity fund | Fair value accounting | Indirect ownership interest | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 12.60% | |
| SVB Capital Preferred Return Fund, LP | Other private equity fund | Fair value accounting | Indirect ownership interest | Venture capital and private equity fund investments | ||
| Venture Capital and Private Equity Fund Investments [Line Items] | ||
| Company Direct and Indirect Ownership in Limited Partnership | 4.10% | |
Remaining Unfunded Commitments to Venture Capital or Private Equity Funds by our Consolidated Managed Funds (Detail) $ in Thousands |
Dec. 31, 2015
USD ($)
|
|---|---|
| Commitments and Contingencies Disclosure [Line Items] | |
| Unfunded Commitments | $ 7,049 |
| SVB Strategic Investors Fund, LP | |
| Commitments and Contingencies Disclosure [Line Items] | |
| Unfunded Commitments | 2,250 |
| SVB Capital Preferred Return Fund, LP | |
| Commitments and Contingencies Disclosure [Line Items] | |
| Unfunded Commitments | 1,514 |
| SVB Capital-NT Growth Partners, LP | |
| Commitments and Contingencies Disclosure [Line Items] | |
| Unfunded Commitments | $ 3,285 |
Fair Value of Financial Instruments Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | $ 16,380,748 | $ 13,540,655 |
| Derivatives designated as hedging instruments | Interest rate risks | Interest rate swaps | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 2,768 | 4,609 |
| Derivatives not designated as hedging instruments | Other derivative instruments | Equity warrant assets | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 137,105 | 116,604 |
| Fair value accounting | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 548 | 108,251 |
| Fair value accounting | Venture capital and private equity fund investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 152,237 | 1,130,882 |
| Fair value accounting | Other venture capital investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 2,040 | 71,204 |
| U.S. treasury securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 11,678,035 | 7,302,273 |
| U.S. agency debentures | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 2,690,029 | 3,561,556 |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 1,399,279 | 1,884,843 |
| Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 607,936 | 784,475 |
| Equity securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 5,469 | 7,508 |
| Fair Value, Measurements, Recurring | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 16,380,748 | 13,540,655 |
| Total assets | 16,710,656 | 15,008,982 |
| Total liabilities | 30,737 | 31,111 |
| Fair Value, Measurements, Recurring | Derivatives designated as hedging instruments | Interest rate risks | Interest rate swaps | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 2,768 | 4,609 |
| Fair Value, Measurements, Recurring | Derivatives not designated as hedging instruments | Currency exchange risks | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 31,237 | 34,231 |
| Fair Value, Measurements, Recurring | Derivatives not designated as hedging instruments | Currency exchange risks | Other liability | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 26,353 | 28,363 |
| Fair Value, Measurements, Recurring | Derivatives not designated as hedging instruments | Other derivative instruments | Equity warrant assets | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 137,105 | 116,604 |
| Fair Value, Measurements, Recurring | Derivatives not designated as hedging instruments | Other derivative instruments | Client interest rate derivatives | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 3,973 | 2,546 |
| Fair Value, Measurements, Recurring | Derivatives not designated as hedging instruments | Other derivative instruments | Client interest rate derivatives | Other liability | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 4,384 | 2,748 |
| Fair Value, Measurements, Recurring | Fair value accounting | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 154,825 | 1,310,337 |
| Fair Value, Measurements, Recurring | Fair value accounting | Venture capital and private equity fund investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 152,237 | 1,130,882 |
| Fair Value, Measurements, Recurring | Fair value accounting | Other venture capital investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 2,040 | 71,204 |
| Fair Value, Measurements, Recurring | Fair value accounting | Other Securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 548 | 108,251 |
| Fair Value, Measurements, Recurring | U.S. treasury securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 11,678,035 | 7,302,273 |
| Fair Value, Measurements, Recurring | U.S. agency debentures | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 2,690,029 | 3,561,556 |
| Fair Value, Measurements, Recurring | Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 1,399,279 | 1,884,843 |
| Fair Value, Measurements, Recurring | Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 607,936 | 784,475 |
| Fair Value, Measurements, Recurring | Equity securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 5,469 | 7,508 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 11,682,552 | 7,306,563 |
| Total assets | 11,683,100 | 7,414,814 |
| Total liabilities | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives designated as hedging instruments | Interest rate risks | Interest rate swaps | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives not designated as hedging instruments | Currency exchange risks | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives not designated as hedging instruments | Currency exchange risks | Other liability | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives not designated as hedging instruments | Other derivative instruments | Equity warrant assets | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives not designated as hedging instruments | Other derivative instruments | Client interest rate derivatives | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives not designated as hedging instruments | Other derivative instruments | Client interest rate derivatives | Other liability | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair value accounting | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 548 | 108,251 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair value accounting | Venture capital and private equity fund investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair value accounting | Other venture capital investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair value accounting | Other Securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 548 | 108,251 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. treasury securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 11,678,035 | 7,302,273 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. agency debentures | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 4,517 | 4,290 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 4,698,196 | 6,234,092 |
| Total assets | 4,738,111 | 6,277,384 |
| Total liabilities | 30,737 | 31,111 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Derivatives designated as hedging instruments | Interest rate risks | Interest rate swaps | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 2,768 | 4,609 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Derivatives not designated as hedging instruments | Currency exchange risks | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 31,237 | 34,231 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Derivatives not designated as hedging instruments | Currency exchange risks | Other liability | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 26,353 | 28,363 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Derivatives not designated as hedging instruments | Other derivative instruments | Equity warrant assets | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 1,937 | 1,906 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Derivatives not designated as hedging instruments | Other derivative instruments | Client interest rate derivatives | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 3,973 | 2,546 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Derivatives not designated as hedging instruments | Other derivative instruments | Client interest rate derivatives | Other liability | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 4,384 | 2,748 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Fair value accounting | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Fair value accounting | Venture capital and private equity fund investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Fair value accounting | Other venture capital investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Fair value accounting | Other Securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | U.S. treasury securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | U.S. agency debentures | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 2,690,029 | 3,561,556 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 1,399,279 | 1,884,843 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 607,936 | 784,475 |
| Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Equity securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 952 | 3,218 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Total assets | 137,208 | 185,902 |
| Total liabilities | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Derivatives designated as hedging instruments | Interest rate risks | Interest rate swaps | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Derivatives not designated as hedging instruments | Currency exchange risks | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Derivatives not designated as hedging instruments | Currency exchange risks | Other liability | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Derivatives not designated as hedging instruments | Other derivative instruments | Equity warrant assets | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 135,168 | 114,698 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Derivatives not designated as hedging instruments | Other derivative instruments | Client interest rate derivatives | Other Assets | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Derivatives not designated as hedging instruments | Other derivative instruments | Client interest rate derivatives | Other liability | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Fair value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fair value accounting | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 2,040 | 71,204 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fair value accounting | Venture capital and private equity fund investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fair value accounting | Other venture capital investments | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 2,040 | 71,204 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Fair value accounting | Other Securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Non-marketable securities | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | U.S. treasury securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | U.S. agency debentures | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Fixed rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Residential mortgage-backed securities | Agency-issued collateralized mortgage obligations | Variable rate | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | 0 | 0 |
| Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Equity securities | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Carrying Value | $ 0 | $ 0 |
Fair Value of Financial Instruments Assets and Liabilities Measured at Fair Value on a Recurring Basis (Footnote Information) (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Total assets | $ 16,710,656 | $ 15,008,982 |
| Quoted Prices in Active Markets for Identical Assets (Level 1) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Total assets | 11,683,100 | 7,414,814 |
| Significant Unobservable Inputs (Level 3) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Total assets | 137,208 | 185,902 |
| Significant Other Observable Inputs (Level 2) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Total assets | 4,738,111 | 6,277,384 |
| Noncontrolling Interests | Quoted Prices in Active Markets for Identical Assets (Level 1) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Total assets | 400 | 100,000 |
| Noncontrolling Interests | Significant Unobservable Inputs (Level 3) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Total assets | $ 1,800 | $ 69,000 |
Fair Value of Financial Instruments Additional Information about Level 3 Assets Measured at Fair Value on a Recurring Basis (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Beginning Balance | $ 185,902 | $ 451,979 | $ 193,220 |
| Total Realized and Unrealized Gains (Losses) Included in Income | (72,594) | (188,173) | (251,042) |
| Purchases | 0 | 51,407 | 2,712 |
| Sales | (63,400) | (138,077) | (17,904) |
| Issuances | 12,471 | 15,541 | 10,540 |
| Distributions and Other Settlements | (24) | (1,139) | (945) |
| Transfers Into Level 3 | 0 | 0 | 24,217 |
| Transfers Out of Level 3 | (2,422) | (381,982) | (10,903) |
| Ending Balance | 137,208 | 185,902 | 451,979 |
| Equity warrant assets | Other Assets | |||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Beginning Balance | 114,698 | 99,891 | 66,129 |
| Total Realized and Unrealized Gains (Losses) Included in Income | (71,402) | (71,516) | (22,929) |
| Purchases | 0 | 0 | 0 |
| Sales | (61,044) | (70,875) | (16,680) |
| Issuances | 12,471 | 15,541 | 10,540 |
| Distributions and Other Settlements | 63 | 345 | 98 |
| Transfers Into Level 3 | 0 | 0 | 24,217 |
| Transfers Out of Level 3 | (2,422) | (1,720) | (7,342) |
| Ending Balance | 135,168 | 114,698 | 99,891 |
| Non-marketable securities | Fair value accounting | |||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Beginning Balance | 71,204 | 352,088 | 127,091 |
| Total Realized and Unrealized Gains (Losses) Included in Income | (1,192) | (116,657) | (228,113) |
| Purchases | 0 | 51,407 | 2,712 |
| Sales | (2,356) | (67,202) | (1,224) |
| Issuances | 0 | 0 | 0 |
| Distributions and Other Settlements | (87) | (1,484) | (1,043) |
| Transfers Into Level 3 | 0 | 0 | 0 |
| Transfers Out of Level 3 | 0 | (380,262) | (3,561) |
| Ending Balance | 2,040 | 71,204 | 352,088 |
| Non-marketable securities | Fair value accounting | Other venture capital investments | |||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Beginning Balance | 71,204 | 32,839 | 127,091 |
| Total Realized and Unrealized Gains (Losses) Included in Income | (1,192) | (12,793) | (5,745) |
| Purchases | 0 | 51,407 | 2,712 |
| Sales | (2,356) | (20,362) | (1,224) |
| Issuances | 0 | 0 | 0 |
| Distributions and Other Settlements | (87) | (5,347) | (97,924) |
| Transfers Into Level 3 | 0 | 0 | 0 |
| Transfers Out of Level 3 | 0 | (126) | (3,561) |
| Ending Balance | 2,040 | 71,204 | 32,839 |
| Non-marketable securities | Fair value accounting | Other investments | |||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Beginning Balance | 0 | 319,249 | 0 |
| Total Realized and Unrealized Gains (Losses) Included in Income | (103,864) | (222,368) | |
| Purchases | 0 | 0 | |
| Sales | (46,840) | 0 | |
| Issuances | 0 | 0 | |
| Distributions and Other Settlements | 3,863 | 96,881 | |
| Transfers Into Level 3 | 0 | 0 | |
| Transfers Out of Level 3 | (380,136) | 0 | |
| Ending Balance | 0 | $ 319,249 | |
| Accounting Standards Update 2015-02 | |||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Beginning Balance | 117,989 | ||
| Ending Balance | 117,989 | ||
| Accounting Standards Update 2015-02 | Non-marketable securities | Fair value accounting | |||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Beginning Balance | 3,291 | ||
| Ending Balance | 3,291 | ||
| Accounting Standards Update 2015-02 | Non-marketable securities | Fair value accounting | Other venture capital investments | |||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Beginning Balance | $ 3,291 | ||
| Ending Balance | $ 3,291 | ||
Fair Value of Financial Instruments Unrealized Gains Included in Earnings Attributable to Level 3 Assets Held (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Unrealized Gains (Losses) [Line Items] | ||
| Unrealized gains included in earnings attributable to Level 3 assets still held | $ 32,399 | $ 39,560 |
| Unrealized gains (losses) attributable to noncontrolling interests | (158) | 2,914 |
| Equity warrant assets | Other Assets | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Unrealized Gains (Losses) [Line Items] | ||
| Unrealized gains included in earnings attributable to Level 3 assets still held | 32,576 | 36,516 |
| Non-marketable securities | Fair value accounting | Other venture capital investments | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Unrealized Gains (Losses) [Line Items] | ||
| Unrealized gains included in earnings attributable to Level 3 assets still held | $ (177) | $ 3,044 |
Fair Value of Financial Instruments Quantitative Information About Significant Unobservable Inputs (Detail) - Significant Unobservable Inputs (Level 3) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Equity warrant assets | Other Assets | ||
| Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||
| Valuation Technique | Modified Black-Scholes option pricing model | Modified Black-Scholes option pricing model |
| Sales Restrictions Discount | 18.00% | 17.80% |
| Volatility | 38.10% | 42.60% |
| Risk-Free interest rate | 2.10% | 1.70% |
| Equity warrant assets | Investments [Member] | ||
| Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||
| Fair Value | $ 1,786 | $ 1,681 |
| Equity Warrant Asset, Private Portfolio | Other Assets | ||
| Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||
| Valuation Technique | Modified Black-Scholes option pricing model | Modified Black-Scholes option pricing model |
| Volatility | 36.00% | 38.30% |
| Risk-Free interest rate | 1.10% | 0.90% |
| Marketability discount | 16.60% | 20.00% |
| Remaining Life Assumption | 45.00% | 45.00% |
| Equity Warrant Asset, Private Portfolio | Investments [Member] | ||
| Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||
| Fair Value | $ 133,382 | $ 113,017 |
| Other venture capital investments | Fair value accounting | ||
| Fair Value Inputs, Assets, Quantitative Information [Line Items] | ||
| Fair Value | $ 2,040 | $ 71,204 |
| Valuation Technique | Private company equity pricing | Private company equity pricing |
Fair Value of Financial Instruments Quantitative Information About Significant Unobservable Inputs (Footnote Information) (Detail) - Other Assets - Equity Warrant Asset, Private Portfolio |
12 Months Ended |
|---|---|
Dec. 31, 2015 | |
| Fair Value Inputs, Assets, Quantitative Information [Line Items] | |
| Weighted average contractual remaining term | 5 years 8 months 1 day |
| Estimated remaining life | 2 years 6 months 20 days |
Fair Value of Financial Instruments - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| 6.05% Subordinated Notes | |||
| Debt Disclosure [Line Items] | |||
| Stated interest rate | 6.05% | 6.05% | |
| 5.375% Senior Notes | |||
| Debt Disclosure [Line Items] | |||
| Stated interest rate | 5.375% | 5.375% | |
| 7.0% Junior Subordinated Debentures | |||
| Debt Disclosure [Line Items] | |||
| Stated interest rate | 7.00% | 7.00% | |
| Fair Value, Measurements, Recurring | |||
| Debt Disclosure [Line Items] | |||
| Transfers Into Level 3 | $ 0 | $ 0 | $ 24,217 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | (2,422) | (381,982) | (10,903) |
| Fair Value, Measurements, Recurring | Fair value accounting | Non-marketable securities | |||
| Debt Disclosure [Line Items] | |||
| Transfers Into Level 3 | 0 | 0 | 0 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | 0 | (380,262) | (3,561) |
| Fair Value, Measurements, Recurring | Other venture capital investments | Fair value accounting | Non-marketable securities | |||
| Debt Disclosure [Line Items] | |||
| Transfers Into Level 3 | 0 | 0 | 0 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 | $ 0 | $ (126) | $ (3,561) |
Fair Value of Financial Instruments Summary of Estimated Fair Values of Financial Instruments not Carried at Fair Value (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Held-to-maturity Securities, Fair Value | $ 8,758,622 | $ 7,415,656 |
| Federal Home Loan Bank Advances | 638,000 | 0 |
| Short-term borrowings | 774,900 | 7,781 |
| Time Deposits | 70,479 | 128,127 |
| Federal Funds Purchased | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 135,000 | 0 |
| Other short-term borrowings | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 1,900 | 7,781 |
| 3.50% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 346,667 | 0 |
| 5.375% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 347,016 | 346,477 |
| 6.05% Subordinated Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Subordinated Notes | 48,350 | 50,040 |
| 7.0% Junior Subordinated Debentures | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Junior Subordinated Debentures | 54,669 | 54,845 |
| Carrying Amount | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Cash and cash equivalents | 1,503,257 | 1,796,062 |
| Held-to-maturity Securities, Fair Value | 8,790,963 | 7,421,042 |
| Non-marketable securities (cost and equity method accounting) | 114,795 | 108,221 |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Non-Marketable Securities | 250,970 | 188,427 |
| Net commercial loans | 14,763,302 | 12,947,869 |
| Net consumer loans | 1,761,155 | 1,271,048 |
| FHLB and FRB stock | 56,991 | 53,496 |
| Accrued interest receivable | 107,604 | 94,180 |
| Deposits | 39,072,297 | 34,215,372 |
| Time Deposits | 70,479 | 128,127 |
| Accrued interest payable | 12,058 | 6,998 |
| Commitments to extend credit | 0 | 0 |
| Carrying Amount | Federal Funds Purchased | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 135,000 | |
| Carrying Amount | Other short-term borrowings | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 1,900 | 7,781 |
| Carrying Amount | 3.50% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 346,667 | |
| Carrying Amount | 5.375% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 347,016 | 346,477 |
| Carrying Amount | 6.05% Subordinated Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Subordinated Notes | 48,350 | 50,040 |
| Carrying Amount | 7.0% Junior Subordinated Debentures | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Junior Subordinated Debentures | 54,669 | 54,845 |
| Estimated Fair Value | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Cash and cash equivalents | 1,503,257 | 1,796,062 |
| Held-to-maturity Securities, Fair Value | 8,758,622 | 7,415,656 |
| Non-marketable securities (cost and equity method accounting) | 117,172 | 107,451 |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Non-Marketable Securities | 364,799 | 283,119 |
| Net commercial loans | 14,811,588 | 13,082,487 |
| Net consumer loans | 1,737,960 | 1,247,336 |
| FHLB and FRB stock | 56,991 | 53,496 |
| Accrued interest receivable | 107,604 | 94,180 |
| Federal Home Loan Bank Advances | 638,000 | |
| Deposits | 39,072,297 | 34,215,372 |
| Time Deposits | 70,347 | 128,107 |
| Accrued interest payable | 12,058 | 6,998 |
| Commitments to extend credit | 26,483 | 29,097 |
| Assets Held-for-sale, Long Lived, Fair Value Disclosure | 45,400 | |
| Estimated Fair Value | Federal Funds Purchased | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 135,000 | |
| Estimated Fair Value | Other short-term borrowings | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 1,900 | 7,781 |
| Estimated Fair Value | 3.50% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 333,648 | |
| Estimated Fair Value | 5.375% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 384,216 | 392,616 |
| Estimated Fair Value | 6.05% Subordinated Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Subordinated Notes | 49,820 | 53,537 |
| Estimated Fair Value | 7.0% Junior Subordinated Debentures | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Junior Subordinated Debentures | 52,905 | 52,990 |
| Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Cash and cash equivalents | 1,503,257 | 1,796,062 |
| Held-to-maturity Securities, Fair Value | 0 | 0 |
| Non-marketable securities (cost and equity method accounting) | 0 | 0 |
| Net commercial loans | 0 | 0 |
| Net consumer loans | 0 | 0 |
| FHLB and FRB stock | 0 | 0 |
| Accrued interest receivable | 0 | 0 |
| Federal Home Loan Bank Advances | 638,000 | |
| Deposits | 39,072,297 | 34,215,372 |
| Time Deposits | 0 | 0 |
| Accrued interest payable | 0 | 0 |
| Commitments to extend credit | 0 | 0 |
| Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | Federal Funds Purchased | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 135,000 | |
| Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other short-term borrowings | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 1,900 | 7,781 |
| Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | 5.375% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 0 | 0 |
| Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | 6.05% Subordinated Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Subordinated Notes | 0 | 0 |
| Estimated Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1) | 7.0% Junior Subordinated Debentures | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Junior Subordinated Debentures | 0 | 0 |
| Estimated Fair Value | Significant Other Observable Inputs (Level 2) | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Cash and cash equivalents | 0 | 0 |
| Held-to-maturity Securities, Fair Value | 8,758,622 | 7,415,656 |
| Non-marketable securities (cost and equity method accounting) | 0 | 0 |
| Net commercial loans | 0 | 0 |
| Net consumer loans | 0 | 0 |
| FHLB and FRB stock | 0 | 0 |
| Accrued interest receivable | 107,604 | 94,180 |
| Deposits | 0 | 0 |
| Time Deposits | 70,347 | 128,107 |
| Accrued interest payable | 12,058 | 6,998 |
| Commitments to extend credit | 0 | 0 |
| Estimated Fair Value | Significant Other Observable Inputs (Level 2) | Other short-term borrowings | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 0 | 0 |
| Estimated Fair Value | Significant Other Observable Inputs (Level 2) | 3.50% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 333,648 | |
| Estimated Fair Value | Significant Other Observable Inputs (Level 2) | 5.375% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 384,216 | 392,616 |
| Estimated Fair Value | Significant Other Observable Inputs (Level 2) | 6.05% Subordinated Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Subordinated Notes | 49,820 | 53,537 |
| Estimated Fair Value | Significant Other Observable Inputs (Level 2) | 7.0% Junior Subordinated Debentures | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Junior Subordinated Debentures | 52,905 | 52,990 |
| Estimated Fair Value | Significant Unobservable Inputs (Level 3) | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Cash and cash equivalents | 0 | 0 |
| Held-to-maturity Securities, Fair Value | 0 | 0 |
| Non-marketable securities (cost and equity method accounting) | 117,172 | 107,451 |
| Net commercial loans | 14,811,588 | 13,082,487 |
| Net consumer loans | 1,737,960 | 1,247,336 |
| FHLB and FRB stock | 56,991 | 53,496 |
| Accrued interest receivable | 0 | 0 |
| Deposits | 0 | 0 |
| Time Deposits | 0 | 0 |
| Accrued interest payable | 0 | 0 |
| Commitments to extend credit | 26,483 | 29,097 |
| Estimated Fair Value | Significant Unobservable Inputs (Level 3) | Other short-term borrowings | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Short-term borrowings | 0 | 0 |
| Estimated Fair Value | Significant Unobservable Inputs (Level 3) | 5.375% Senior Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior Notes | 0 | 0 |
| Estimated Fair Value | Significant Unobservable Inputs (Level 3) | 6.05% Subordinated Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Subordinated Notes | 0 | 0 |
| Estimated Fair Value | Significant Unobservable Inputs (Level 3) | 7.0% Junior Subordinated Debentures | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Junior Subordinated Debentures | $ 0 | 0 |
| Global Commercial Bank | SVB India Finance Private Limited, (SVBIF) | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Disposal Group, Including Discontinued Operation, Assets | $ 44,300 |
Fair Value of Financial Instruments Summary of Estimated Fair Values of Financial Instruments not Carried at Fair Value (Footnote Information) (Detail) - USD ($) $ in Millions |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| 6.05% Subordinated Notes | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Fair value of the interest rate swap associated with the notes | $ 2.8 | $ 4.6 |
Fair Value of Financial Instruments Summary of Estimated Fair Values of Investments and Remaining Unfunded Commitments for Each Major Category of Investments (Detail) $ in Thousands |
Dec. 31, 2015
USD ($)
|
|---|---|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Carrying Amount | $ 403,207 |
| Fair Value | 517,036 |
| Unfunded Commitments | 23,525 |
| Non-marketable securities | Fair value accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Carrying Amount | 152,237 |
| Fair Value | 152,237 |
| Unfunded Commitments | 7,049 |
| Non-marketable securities | Equity method accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Carrying Amount | 85,705 |
| Fair Value | 85,705 |
| Unfunded Commitments | 4,954 |
| Non-marketable securities | Equity method accounting | Debt Securities | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Carrying Amount | 21,970 |
| Fair Value | 23,080 |
| Unfunded Commitments | 0 |
| Non-marketable securities | Equity method accounting | Other investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Carrying Amount | 22,619 |
| Fair Value | 22,619 |
| Unfunded Commitments | 886 |
| Non-marketable securities | Cost method accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Carrying Amount | 120,676 |
| Fair Value | 233,395 |
| Unfunded Commitments | $ 10,636 |
Fair Value of Financial Instruments Summary of Estimated Fair Values of Investments and Remaining Unfunded Commitments for Each Major Category of Investments (Textual) (Detail) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Fair Value | $ 517,036 |
| Unfunded Commitments | 23,525 |
| Non-marketable securities | Fair value accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Fair Value | 152,237 |
| Unfunded Commitments | 7,049 |
| Non-marketable securities | Equity method accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Fair Value | 85,705 |
| Unfunded Commitments | 4,954 |
| Non-marketable securities | Equity method accounting | Other investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Fair Value | 22,619 |
| Unfunded Commitments | 886 |
| Non-marketable securities | Cost method accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Fair Value | 233,395 |
| Unfunded Commitments | 10,636 |
| Non-marketable securities | Noncontrolling Interests | Fair value accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Fair Value | 108,000 |
| Unfunded Commitments | $ 5,000 |
| Non-marketable securities | Lower Limit | Fair value accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Estimated future period of distributions from the fund investments | 10 years |
| Non-marketable securities | Lower Limit | Equity method accounting | Other investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Estimated future period of distributions from the fund investments | 10 years |
| Non-marketable securities | Upper Limit | Fair value accounting | Venture capital and private equity fund investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Estimated future period of distributions from the fund investments | 13 years |
| Non-marketable securities | Upper Limit | Equity method accounting | Other investments | |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] | |
| Estimated future period of distributions from the fund investments | 13 years |
Regulatory Matters Capital Ratios for Company and Bank under Federal Regulatory Guidelines, Compared to Minimum Regulatory Capital Requirements for Adequately Capitalized and Well Capitalized Depository Institution (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| SVB Financial Group | ||
| CET 1 risk-based capital, actual ratio | 12.28% | |
| CET 1 risk-based capital, well capitalized minimum ratio | 6.50% | |
| CET 1 risk-based capital, adequately capitalized minimum ratio | 4.50% | |
| CET 1 risk-based capital, actual amount | $ 3,183,206 | |
| CET 1 risk-based capital, well capitalized minimum amount | 1,684,774 | |
| CET 1 risk-based capital, adequately capitalized minimum amount | $ 1,166,382 | |
| Tier 1 risk-based capital, actual ratio | 12.83% | 12.91% |
| Tier 1 risk-based capital, well capitalized minimum ratio | 8.00% | 6.00% |
| Tier 1 risk-based capital, adequately capitalized minimum ratio | 6.00% | 4.00% |
| Tier 1 risk-based capital, actual amount | $ 3,325,245 | $ 2,808,948 |
| Tier 1 risk-based capital, well capitalized minimum amount | 2,073,567 | 1,305,726 |
| Tier 1 risk-based capital, adequately capitalized minimum amount | $ 1,555,176 | $ 870,484 |
| Total risk-based capital, actual ratio | 13.84% | 13.92% |
| Total risk-based capital, well capitalized minimum ratio | 10.00% | 10.00% |
| Total risk-based capital, adequately capitalized minimum ratio | 8.00% | 8.00% |
| Total risk-based capital, actual amount | $ 3,586,466 | $ 3,030,150 |
| Total risk-based capital, well capitalized minimum amount | 2,591,959 | 2,176,210 |
| Total risk-based capital, adequately capitalized minimum amount | $ 2,073,567 | $ 1,740,968 |
| Tier 1 leverage, actual ratio | 7.63% | 7.74% |
| Tier 1 leverage, adequately capitalized minimum ratio | 4.00% | 4.00% |
| Tier 1 leverage, actual amount | $ 3,325,245 | $ 2,808,948 |
| Tier 1 leverage, adequately capitalized minimum amount | $ 1,743,555 | $ 1,450,927 |
| Silicon Valley Bank | ||
| CET 1 risk-based capital, actual ratio | 12.52% | |
| CET 1 risk-based capital, well capitalized minimum ratio | 6.50% | |
| CET 1 risk-based capital, adequately capitalized minimum ratio | 4.50% | |
| CET 1 risk-based capital, actual amount | $ 3,043,435 | |
| CET 1 risk-based capital, well capitalized minimum amount | 1,579,568 | |
| CET 1 risk-based capital, adequately capitalized minimum amount | $ 1,093,547 | |
| Tier 1 risk-based capital, actual ratio | 12.52% | 11.09% |
| Tier 1 risk-based capital, well capitalized minimum ratio | 8.00% | 6.00% |
| Tier 1 risk-based capital, adequately capitalized minimum ratio | 6.00% | 4.00% |
| Tier 1 risk-based capital, actual amount | $ 3,043,435 | $ 2,379,991 |
| Tier 1 risk-based capital, well capitalized minimum amount | 1,944,083 | 1,287,473 |
| Tier 1 risk-based capital, adequately capitalized minimum amount | $ 1,458,063 | $ 858,315 |
| Total risk-based capital, actual ratio | 13.60% | 12.12% |
| Total risk-based capital, well capitalized minimum ratio | 10.00% | 10.00% |
| Total risk-based capital, adequately capitalized minimum ratio | 8.00% | 8.00% |
| Total risk-based capital, actual amount | $ 3,304,537 | $ 2,600,011 |
| Total risk-based capital, well capitalized minimum amount | 2,430,104 | 2,145,788 |
| Total risk-based capital, adequately capitalized minimum amount | $ 1,944,083 | $ 1,716,630 |
| Tier 1 leverage, actual ratio | 7.09% | 6.64% |
| Tier 1 leverage, well capitalized minimum ratio | 5.00% | 5.00% |
| Tier 1 leverage, adequately capitalized minimum ratio | 4.00% | 4.00% |
| Tier 1 leverage, actual amount | $ 3,043,435 | $ 2,379,991 |
| Tier 1 leverage, well capitalized minimum amount | 2,147,532 | 1,793,264 |
| Tier 1 leverage, adequately capitalized minimum amount | $ 1,718,026 | $ 1,434,611 |
Segment Reporting - Additional Information (Detail) |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
Segment
| |
| Segment Reporting [Abstract] | |
| Number of reportable segments | 3 |
Segment Reporting Segment Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Net interest income | $ 269,069 | $ 254,660 | $ 243,771 | $ 238,925 | $ 234,737 | $ 220,565 | $ 204,965 | $ 196,328 | $ 1,006,425 | $ 856,595 | $ 697,344 | |||||||
| Provision for loan losses | (31,261) | (33,403) | (26,513) | (6,452) | (40,435) | (16,610) | (1,947) | (494) | (97,629) | (59,486) | (63,693) | |||||||
| Noninterest income | 114,506 | 108,477 | 126,287 | 123,524 | 167,637 | 80,167 | 14,210 | 310,225 | 472,794 | 572,239 | 673,206 | |||||||
| Noninterest expense | $ (208,608) | $ (184,755) | $ (194,112) | $ (190,541) | $ (186,067) | $ (179,761) | $ (170,944) | $ (170,408) | (778,016) | [1] | (707,180) | [1] | (615,244) | [1] | ||||
| Income before income tax expense | [1] | 603,574 | [2] | 662,168 | 691,613 | |||||||||||||
| Total average loans, net of unearned income | 14,762,941 | 11,502,941 | 9,351,378 | |||||||||||||||
| Total average assets | 40,846,377 | 32,961,936 | 23,208,169 | |||||||||||||||
| Total average deposits | 36,293,362 | 28,320,825 | 19,619,194 | |||||||||||||||
| Global Commercial Bank | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Net interest income | 853,890 | 742,274 | 641,384 | |||||||||||||||
| Provision for loan losses | (94,915) | (58,622) | (65,290) | |||||||||||||||
| Noninterest income | 272,862 | 203,474 | 202,404 | |||||||||||||||
| Noninterest expense | (568,685) | (504,606) | (425,230) | |||||||||||||||
| Income before income tax expense | 463,152 | 382,520 | 353,268 | |||||||||||||||
| Total average loans, net of unearned income | 12,973,626 | 10,129,474 | 8,287,039 | |||||||||||||||
| Total average assets | 38,813,529 | 30,306,338 | 21,411,836 | |||||||||||||||
| Total average deposits | 34,996,888 | 27,364,246 | 19,072,608 | |||||||||||||||
| SVB Private Bank | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Net interest income | 44,412 | 31,427 | 26,701 | |||||||||||||||
| Provision for loan losses | (2,714) | (864) | 1,597 | |||||||||||||||
| Noninterest income | 2,011 | 1,494 | 1,209 | |||||||||||||||
| Noninterest expense | (11,892) | (10,571) | (9,195) | |||||||||||||||
| Income before income tax expense | 31,817 | 21,486 | 20,312 | |||||||||||||||
| Total average loans, net of unearned income | 1,592,065 | 1,155,992 | 919,221 | |||||||||||||||
| Total average assets | 1,433,694 | 1,149,804 | 954,831 | |||||||||||||||
| Total average deposits | 1,108,411 | 890,062 | 524,398 | |||||||||||||||
| SVB Capital | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Net interest income | 3 | 58 | 20 | |||||||||||||||
| Provision for loan losses | 0 | 0 | 0 | |||||||||||||||
| Noninterest income | 70,857 | 58,058 | 75,037 | |||||||||||||||
| Noninterest expense | (14,699) | (12,668) | (10,737) | |||||||||||||||
| Income before income tax expense | 56,161 | 45,448 | 64,320 | |||||||||||||||
| Total average loans, net of unearned income | 0 | 0 | 0 | |||||||||||||||
| Total average assets | 337,884 | 320,129 | 289,328 | |||||||||||||||
| Total average deposits | 0 | 0 | 0 | |||||||||||||||
| Other Items | ||||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||||
| Net interest income | 108,120 | 82,836 | 29,239 | |||||||||||||||
| Provision for loan losses | 0 | 0 | 0 | |||||||||||||||
| Noninterest income | 127,064 | 309,213 | 394,556 | |||||||||||||||
| Noninterest expense | (182,740) | (179,335) | (170,082) | |||||||||||||||
| Income before income tax expense | 52,444 | 212,714 | 253,713 | |||||||||||||||
| Total average loans, net of unearned income | 197,250 | 217,475 | 145,118 | |||||||||||||||
| Total average assets | 261,270 | 1,185,665 | 552,174 | |||||||||||||||
| Total average deposits | $ 188,063 | $ 66,517 | $ 22,188 | |||||||||||||||
| ||||||||||||||||||
Segment Information (Additional Information) (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Global Commercial Bank | |||
| Segment Reporting Information [Line Items] | |||
| Depreciation and amortization | $ 19.6 | $ 20.9 | $ 18.7 |
Parent Company Only Condensed Financial Information Condensed Balance Sheet (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2012 |
|||||
|---|---|---|---|---|---|---|---|---|---|
| Assets: | |||||||||
| Cash and cash equivalents | $ 1,503,257 | $ 1,796,062 | $ 1,538,779 | [1] | $ 1,008,983 | ||||
| Investment securities | 25,846,657 | 22,689,837 | |||||||
| Net loans | 16,524,457 | 14,218,917 | |||||||
| Other assets | [2] | 709,707 | 553,208 | ||||||
| Total assets | 44,686,703 | 39,337,869 | |||||||
| Liabilities and total equity | |||||||||
| Other liabilities | 639,094 | 483,493 | |||||||
| Total liabilities | 41,353,472 | 35,286,135 | |||||||
| SVBFG stockholders' equity | 3,198,134 | 2,813,072 | |||||||
| Total liabilities and total equity | 44,686,703 | 39,337,869 | |||||||
| Parent Company | |||||||||
| Assets: | |||||||||
| Cash and cash equivalents | 377,013 | 314,236 | $ 218,148 | $ 169,067 | |||||
| Investment securities | 250,257 | 229,604 | |||||||
| Net loans | 9,859 | 16,684 | |||||||
| Other assets | 224,748 | 154,680 | |||||||
| Total assets | 4,027,818 | 3,264,173 | |||||||
| Liabilities and total equity | |||||||||
| Other liabilities | 81,332 | 49,779 | |||||||
| Total liabilities | 829,684 | 451,101 | |||||||
| SVBFG stockholders' equity | 3,198,134 | 2,813,072 | |||||||
| Total liabilities and total equity | 4,027,818 | 3,264,173 | |||||||
| Parent Company | 3.50% Senior Notes | |||||||||
| Liabilities and total equity | |||||||||
| Notes payable | 346,667 | 0 | |||||||
| Parent Company | 5.375% Senior Notes | |||||||||
| Liabilities and total equity | |||||||||
| Notes payable | 347,016 | 346,477 | |||||||
| Parent Company | 7.0% Junior Subordinated Debentures | |||||||||
| Liabilities and total equity | |||||||||
| Notes payable | 54,669 | 54,845 | |||||||
| Parent Company | Bank Subsidiaries | |||||||||
| Assets: | |||||||||
| Investment in subsidiaries | 3,059,045 | 2,399,411 | |||||||
| Parent Company | Nonbank Subsidiaries | |||||||||
| Assets: | |||||||||
| Investment in subsidiaries | $ 106,896 | $ 149,558 | |||||||
| |||||||||
Parent Company Only Condensed Financial Information Condensed Statement of Income (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
||||||||
| Schedule of Condensed Consolidating Statement of Operations [Line Items] | ||||||||||||||||||
| Interest income | $ 279,232 | $ 264,791 | $ 253,926 | $ 248,816 | $ 243,725 | $ 229,326 | $ 213,841 | $ 205,024 | $ 1,046,765 | $ 891,916 | $ 729,621 | |||||||
| Interest expense | (10,163) | (10,131) | (10,155) | (9,891) | (8,988) | (8,761) | (8,876) | (8,696) | (40,340) | (35,321) | (32,277) | |||||||
| Gains on derivative instruments, net | 83,805 | 96,845 | 42,184 | |||||||||||||||
| Gains on investment securities, net | 89,445 | 267,023 | 419,408 | |||||||||||||||
| Impairment loss on SVBIF Sale Transaction | 0 | (13,934) | 0 | |||||||||||||||
| Income tax expense | (53,697) | (57,017) | (54,974) | (63,066) | (46,077) | (40,207) | (35,928) | (61,296) | (228,754) | [1] | (183,508) | [1] | (146,830) | [1] | ||||
| Net income available to common stockholders | $ 87,512 | $ 81,733 | $ 86,143 | $ 88,516 | $ 57,990 | $ 63,977 | $ 50,953 | $ 90,950 | 343,904 | [1],[2] | 263,870 | [1] | 214,517 | [1] | ||||
| Parent Company | ||||||||||||||||||
| Schedule of Condensed Consolidating Statement of Operations [Line Items] | ||||||||||||||||||
| Interest income | 964 | 2,534 | 3,545 | |||||||||||||||
| Interest expense | (34,169) | (21,863) | (24,408) | |||||||||||||||
| Dividend income from subsidiary | 0 | 0 | 10,000 | |||||||||||||||
| Gains on derivative instruments, net | 55,477 | 66,604 | 47,421 | |||||||||||||||
| Gains on investment securities, net | 39,447 | 8,750 | 15,238 | |||||||||||||||
| Impairment loss on SVBIF Sale Transaction | 0 | (9,564) | 0 | |||||||||||||||
| General and administrative expenses | (54,822) | (53,912) | (54,389) | |||||||||||||||
| Income tax expense | (14,448) | (15,038) | (15,824) | |||||||||||||||
| Loss before net income of subsidiaries | (7,551) | (22,489) | (18,417) | |||||||||||||||
| Net income available to common stockholders | 343,904 | 263,870 | 214,517 | |||||||||||||||
| Parent Company | Nonbank Subsidiaries | ||||||||||||||||||
| Schedule of Condensed Consolidating Statement of Operations [Line Items] | ||||||||||||||||||
| Loss before net income of subsidiaries | 44,591 | 37,009 | 58,075 | |||||||||||||||
| Equity in undistributed net income of subsidiary | 44,591 | 37,009 | 58,075 | |||||||||||||||
| Parent Company | Bank Subsidiaries | ||||||||||||||||||
| Schedule of Condensed Consolidating Statement of Operations [Line Items] | ||||||||||||||||||
| Loss before net income of subsidiaries | 306,864 | 249,350 | 184,859 | |||||||||||||||
| Equity in undistributed net income of subsidiary | $ 306,864 | $ 249,350 | $ 174,859 | |||||||||||||||
| ||||||||||||||||||
Parent Company Only Condensed Financial Information Condensed Statements of Cash Flows (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|||||
| Adjustments to reconcile net income to net cash used for operating activities: | ||||||||
| Gains on derivative instruments, net | $ (83,805) | $ (96,845) | $ (42,184) | |||||
| Gains on investment securities, net | (89,445) | (267,023) | (419,408) | |||||
| Amortization of share-based compensation | 32,239 | 29,545 | 25,413 | |||||
| Impairment loss on SVBIF Sale Transaction | 0 | 13,934 | 0 | |||||
| Other, net | 64,660 | 20,037 | (23,851) | |||||
| Net cash used for operating activities | 339,813 | 255,517 | 171,778 | |||||
| Cash flows from investing activities: | ||||||||
| Net (increase) decrease in loans | (2,335,153) | (3,480,531) | (1,943,650) | |||||
| Net cash used for investing activities | (6,496,352) | (12,233,931) | (2,838,988) | |||||
| Cash flows from financing activities: | ||||||||
| Tax benefit from stock exercises | 16,602 | 9,602 | 6,826 | |||||
| Proceeds from issuance of common stock, ESPP, and ESOP | 22,410 | 22,146 | 46,569 | |||||
| Net proceeds from public equity offering | $ 434,900 | 0 | 434,866 | 0 | ||||
| Net cash provided by financing activities | 5,848,782 | 12,250,649 | 3,197,006 | |||||
| Net increase (decrease) in cash and cash equivalents | (307,757) | 272,235 | 529,796 | |||||
| Cash and cash equivalents at beginning of period | 1,796,062 | 1,538,779 | [1] | 1,008,983 | ||||
| Cash and cash equivalents at end of period | 1,503,257 | 1,796,062 | 1,538,779 | [1] | ||||
| Parent Company | ||||||||
| Cash flows from operating activities: | ||||||||
| Net income attributable to SVBFG | 343,904 | 263,870 | 214,517 | |||||
| Adjustments to reconcile net income to net cash used for operating activities: | ||||||||
| Gains on derivative instruments, net | (55,477) | (66,604) | (47,421) | |||||
| Gains on investment securities, net | (39,447) | (8,750) | (15,238) | |||||
| Net income of subsidiaries | 7,551 | 22,489 | 18,417 | |||||
| Cash dividends from bank subsidiary | 0 | 0 | 10,000 | |||||
| Amortization of share-based compensation | 32,239 | 29,545 | 25,413 | |||||
| Decrease (increase) in other assets | (30,638) | 46,512 | (9,802) | |||||
| Increase (decrease) in other liabilities | 28,985 | 25,697 | 1,506 | |||||
| Impairment loss on SVBIF Sale Transaction | 0 | 9,564 | 0 | |||||
| Other, net | 470 | 513 | (3,368) | |||||
| Net cash used for operating activities | (71,419) | 13,988 | (67,327) | |||||
| Cash flows from investing activities: | ||||||||
| Net decrease in investment securities from purchases, sales and maturities | 31,380 | 15,469 | 70,479 | |||||
| Net (increase) decrease in loans | 6,825 | (11,893) | 4,078 | |||||
| Net cash used for investing activities | (251,247) | (384,514) | 63,013 | |||||
| Cash flows from financing activities: | ||||||||
| Tax benefit from stock exercises | 16,602 | 9,602 | 6,826 | |||||
| Proceeds from issuance of common stock, ESPP, and ESOP | 22,410 | 22,146 | 46,569 | |||||
| Net proceeds from public equity offering | 0 | 434,866 | 0 | |||||
| Proceeds from Issuance of Long-term Debt | 346,431 | 0 | 0 | |||||
| Net cash provided by financing activities | 385,443 | 466,614 | 53,395 | |||||
| Net increase (decrease) in cash and cash equivalents | 62,777 | 96,088 | 49,081 | |||||
| Cash and cash equivalents at beginning of period | 314,236 | 218,148 | 169,067 | |||||
| Cash and cash equivalents at end of period | 377,013 | 314,236 | 218,148 | |||||
| Parent Company | Bank Subsidiaries | ||||||||
| Adjustments to reconcile net income to net cash used for operating activities: | ||||||||
| Net income of subsidiaries | (306,864) | (249,350) | (184,859) | |||||
| Cash flows from investing activities: | ||||||||
| Investment in subsidiaries | (378,286) | (432,804) | (21,469) | |||||
| Parent Company | Nonbank Subsidiaries | ||||||||
| Adjustments to reconcile net income to net cash used for operating activities: | ||||||||
| Net income of subsidiaries | (44,591) | (37,009) | (58,075) | |||||
| Cash flows from investing activities: | ||||||||
| Investment in subsidiaries | $ 88,834 | $ 44,714 | $ 9,925 | |||||
| ||||||||
Parent Company Only Condensed Financial Information Condensed Statement of Comprehensive Income (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
||||||||
| Net income available to common stockholders | $ 87,512 | $ 81,733 | $ 86,143 | $ 88,516 | $ 57,990 | $ 63,977 | $ 50,953 | $ 90,950 | $ 343,904 | [1],[2] | $ 263,870 | [2] | $ 214,517 | [2] | ||||
| Other comprehensive income (loss), net of tax | (27,300) | 91,468 | (157,317) | |||||||||||||||
| Comprehensive income attributable to SVBFG | 316,604 | 355,338 | 57,200 | |||||||||||||||
| Parent Company | ||||||||||||||||||
| Net income available to common stockholders | 343,904 | 263,870 | 214,517 | |||||||||||||||
| Foreign currency translation gains (losses) | (1,492) | 3,012 | (3,128) | |||||||||||||||
| Unrealized holding gains (losses) on securities available for sale | (2,041) | 1,232 | (1,449) | |||||||||||||||
| Equity in other comprehensive income (losses) of subsidiaries | (23,767) | 87,224 | (152,740) | |||||||||||||||
| Other comprehensive income (loss), net of tax | (27,300) | 91,468 | (157,317) | |||||||||||||||
| Comprehensive income attributable to SVBFG | $ 316,604 | $ 355,338 | $ 57,200 | |||||||||||||||
| ||||||||||||||||||
Unaudited Quarterly Financial Data Supplemental Consolidated Financial Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
||||||||||||||||
| Quarterly Financial Information Disclosure [Abstract] | ||||||||||||||||||||||||||
| Interest income | $ 279,232 | $ 264,791 | $ 253,926 | $ 248,816 | $ 243,725 | $ 229,326 | $ 213,841 | $ 205,024 | $ 1,046,765 | $ 891,916 | $ 729,621 | |||||||||||||||
| Interest expense | (10,163) | (10,131) | (10,155) | (9,891) | (8,988) | (8,761) | (8,876) | (8,696) | (40,340) | (35,321) | (32,277) | |||||||||||||||
| Net interest income | 269,069 | 254,660 | 243,771 | 238,925 | 234,737 | 220,565 | 204,965 | 196,328 | 1,006,425 | 856,595 | 697,344 | |||||||||||||||
| Provision for loan losses | 31,261 | 33,403 | 26,513 | 6,452 | 40,435 | 16,610 | 1,947 | 494 | 97,629 | 59,486 | 63,693 | |||||||||||||||
| Noninterest income | 114,506 | 108,477 | 126,287 | 123,524 | 167,637 | 80,167 | 14,210 | 310,225 | 472,794 | 572,239 | 673,206 | |||||||||||||||
| Noninterest expense | (208,608) | (184,755) | (194,112) | (190,541) | (186,067) | (179,761) | (170,944) | (170,408) | (778,016) | [1] | (707,180) | [1] | (615,244) | [1] | ||||||||||||
| Income before income tax expense | 143,706 | 144,979 | 149,433 | 165,456 | 175,872 | 104,361 | 46,284 | 335,651 | ||||||||||||||||||
| Income tax expense | (53,697) | (57,017) | (54,974) | (63,066) | (46,077) | (40,207) | (35,928) | (61,296) | (228,754) | [1] | (183,508) | [1] | (146,830) | [1] | ||||||||||||
| Net income before noncontrolling interests | 90,009 | 87,962 | 94,459 | 102,390 | 129,795 | 64,154 | 10,356 | 274,355 | 374,820 | [1],[2],[3],[4] | 478,660 | [1],[3],[4],[5],[6] | 544,783 | [1],[3],[4],[5],[6] | ||||||||||||
| Net income attributable to noncontrolling interests | (2,497) | (6,229) | (8,316) | (13,874) | (71,805) | (177) | 40,597 | (183,405) | (30,916) | [2],[3] | (214,790) | [3] | (330,266) | [3] | ||||||||||||
| Net income available to common stockholders | $ 87,512 | $ 81,733 | $ 86,143 | $ 88,516 | $ 57,990 | $ 63,977 | $ 50,953 | $ 90,950 | $ 343,904 | [1],[2] | $ 263,870 | [1] | $ 214,517 | [1] | ||||||||||||
| Earnings per common share—basic, in dollars per share | $ 1.70 | $ 1.59 | $ 1.68 | $ 1.74 | $ 1.14 | $ 1.26 | $ 1.06 | $ 1.98 | $ 6.70 | [1] | $ 5.39 | [1] | $ 4.73 | [1] | ||||||||||||
| Earnings per common share—diluted, in dollars per share | $ 1.68 | $ 1.57 | $ 1.66 | $ 1.71 | $ 1.13 | $ 1.24 | $ 1.04 | $ 1.95 | $ 6.62 | [1] | $ 5.31 | [1] | $ 4.67 | [1] | ||||||||||||
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