Audit Information |
12 Months Ended |
|---|---|
Dec. 31, 2022 | |
| Audit Information [Abstract] | |
| Auditor Name | KPMG, LLP |
| Auditor Firm ID | 185 |
| Auditor Location | Kansas City, Missouri |
Consolidated Balance Sheets (Parenthetical) - USD ($) |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Mortgages Held-for-sale, Fair Value Disclosure | $ 0 | $ 5,570,000 |
| Debt Securities, Available-for-sale, Amortized Cost | 13,738,206,000 | 14,419,133,000 |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | $ 0 | $ 0 |
| Common stock, par value | $ 5 | $ 5 |
| Common stock, shares authorized | 140,000,000 | 140,000,000 |
| Common stock, shares issued | 125,863,879 | 122,160,705 |
| Treasury stock, shares | 605,142 | 476,392 |
Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Statement of Comprehensive Income [Abstract] | |||
| Net income | $ 500,020 | $ 540,590 | $ 353,885 |
| Other comprehensive income (loss): | |||
| Net unrealized gains (losses) on other securities | (1,148,089) | (240,627) | 161,728 |
| Change in pension loss | 3,482 | 4,450 | (3,178) |
| Unrealized gains (losses) on cash flow hedge derivatives | (19,337) | (18,120) | 62,383 |
| Other comprehensive income (loss) | (1,163,944) | (254,297) | 220,933 |
| Comprehensive income (loss) | (663,924) | 286,293 | 574,818 |
| Non-controlling interest expense (income) | 11,621 | 9,825 | (172) |
| Comprehensive income (loss) attributable to Commerce Bancshares, Inc. | $ (675,545) | $ 276,468 | $ 574,990 |
Consolidated Statements Of Changes In Equity - USD ($) $ in Thousands |
Total |
Cumulative Effect, Period of Adoption, Adjustment |
Cumulative Effect, Period of Adoption, Adjusted Balance |
Preferred Stock [Member] |
Preferred Stock [Member]
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Common Stock |
Common Stock
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Capital Surplus |
Capital Surplus
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Retained Earnings |
Retained Earnings
Cumulative Effect, Period of Adoption, Adjustment
|
Retained Earnings
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Treasury Stock |
Treasury Stock
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Accumulated Other Comprehensive Income (Loss) |
Accumulated Other Comprehensive Income (Loss)
Cumulative Effect, Period of Adoption, Adjusted Balance
|
Non-Controlling Interest |
Non-Controlling Interest
Cumulative Effect, Period of Adoption, Adjusted Balance
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2019 | $ 3,138,472 | $ 3,142,238 | $ 144,784 | $ 144,784 | $ 563,978 | $ 563,978 | $ 2,151,464 | $ 2,151,464 | $ 201,562 | $ 205,328 | $ (37,548) | $ (37,548) | $ 110,444 | $ 110,444 | $ 3,788 | $ 3,788 | ||
| Beginning Balance (Accounting Standards Update 2016-13) at Dec. 31, 2019 | $ 3,766 | $ 3,766 | ||||||||||||||||
| Net income | 353,885 | 354,057 | (172) | |||||||||||||||
| Other comprehensive income (loss) | 220,933 | 220,933 | ||||||||||||||||
| Distributions to non-controlling interest | (691) | (691) | ||||||||||||||||
| Stock Redeemed or Called During Period, Value | (150,000) | (144,784) | (5,216) | |||||||||||||||
| Purchase of treasury stock | (54,163) | (54,163) | ||||||||||||||||
| Cash dividends paid on common stock | (120,818) | (120,818) | ||||||||||||||||
| Cash dividends paid on preferred stock | (6,750) | (6,750) | ||||||||||||||||
| Stock-based compensation | 14,915 | 14,915 | ||||||||||||||||
| Stock Issued During Period RSAs and SARs | 1,309 | (24,271) | 25,580 | |||||||||||||||
| Dividends, Common Stock, Stock | (886) | 25,374 | 294,180 | (353,601) | 33,161 | |||||||||||||
| Balance at Dec. 31, 2020 | 3,399,972 | 0 | 589,352 | 2,436,288 | 73,000 | (32,970) | 331,377 | 2,925 | ||||||||||
| Net income | 540,590 | 530,765 | 9,825 | |||||||||||||||
| Other comprehensive income (loss) | (254,297) | (254,297) | ||||||||||||||||
| Distributions to non-controlling interest | (1,065) | (1,065) | ||||||||||||||||
| Purchase of treasury stock | (129,361) | (129,361) | ||||||||||||||||
| Sale of non-controlling interest of a subsidiary | 0 | 659 | (659) | |||||||||||||||
| Cash dividends paid on common stock | (122,693) | (122,693) | ||||||||||||||||
| Stock-based compensation | 15,415 | 15,415 | ||||||||||||||||
| Stock Issued During Period RSAs and SARs | 911 | (21,799) | 22,710 | |||||||||||||||
| Dividends, Common Stock, Stock | (1,148) | 21,452 | 259,331 | (388,579) | 106,648 | |||||||||||||
| Balance at Dec. 31, 2021 | 3,448,324 | 0 | 610,804 | 2,689,894 | 92,493 | (32,973) | 77,080 | 11,026 | ||||||||||
| Net income | 500,020 | 488,399 | 11,621 | |||||||||||||||
| Other comprehensive income (loss) | (1,163,944) | (1,163,944) | ||||||||||||||||
| Distributions to non-controlling interest | (6,361) | (6,361) | ||||||||||||||||
| Purchase of treasury stock | (186,622) | (186,622) | ||||||||||||||||
| Cash dividends paid on common stock | (127,466) | (127,466) | ||||||||||||||||
| Stock-based compensation | 16,995 | 16,995 | ||||||||||||||||
| Stock Issued During Period RSAs and SARs | 1,905 | (19,563) | 21,468 | |||||||||||||||
| Dividends, Common Stock, Stock | (1,274) | 18,515 | 245,633 | (421,806) | 156,384 | |||||||||||||
| Balance at Dec. 31, 2022 | $ 2,481,577 | $ 0 | $ 629,319 | $ 2,932,959 | $ 31,620 | $ (41,743) | $ (1,086,864) | $ 16,286 |
Consolidated Statements Of Changes In Equity (Parenthetical) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Statement of Stockholders' Equity [Abstract] | |||
| Common Stock, Dividends, Per Share, Cash Paid | $ 1.010 | $ 0.952 | $ 0.933 |
| Cash dividends paid on preferred stock (per share) | $ 1.125 | ||
| Stock dividend rate (percent) | 5.00% | 5.00% | 5.00% |
Consolidated Statements Of Cash Flows - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|||
| OPERATING ACTIVITIES: | |||||
| Net income | $ 500,020 | $ 540,590 | $ 353,885 | ||
| Adjustments to reconcile net income to net cash provided by operating activities: | |||||
| Provision for loan losses | 28,071 | (66,326) | 137,190 | ||
| Provision for depreciation and amortization | 46,856 | 44,866 | 43,769 | ||
| Amortization of investment security premiums, net | 18,805 | 66,934 | 59,863 | ||
| Deferred income tax (benefit) expense | 21,716 | 25,613 | (19,540) | ||
| Investment securities (gains) losses, net | [1] | (20,506) | (30,059) | (11,032) | |
| Net gains on sales of loans held for sale | (2,660) | (22,641) | (16,406) | ||
| Proceeds from sales of loans held for sale | 123,656 | 576,864 | 297,267 | ||
| Origination Of Loans Held For Sale | (118,850) | (524,597) | (313,329) | ||
| Net (increase) decrease in trading securities | 4,152 | (29,885) | (770) | ||
| Purchase of interest rate floor | (35,799) | 0 | 0 | ||
| Stock-based compensation | 16,995 | 15,415 | 14,915 | ||
| (Increase) decrease in interest receivable | (28,439) | 19,788 | (13,399) | ||
| Increase (decrease) in interest payable | 3,054 | (3,179) | (9,444) | ||
| Increase (decrease) in income taxes payable | (12,936) | (5,175) | 12,345 | ||
| Proceeds From the Termination of Interest Rate Floors | 0 | 0 | 156,740 | ||
| Other changes, net | 15,250 | (10,486) | (68,062) | ||
| Net cash provided by (used in) operating activities | 559,385 | 597,722 | 623,992 | ||
| INVESTING ACTIVITIES | |||||
| Proceeds from Equity Method Investment, Distribution, Return of Capital | 400 | 13,540 | 0 | ||
| Proceeds from sales of available for sale securities | [1] | 106,971 | 80,811 | 602,477 | |
| Proceeds from maturities/pay downs of available for sale securities | [1] | 2,691,260 | 3,459,106 | 2,673,510 | |
| Purchases of available for sale securities | [1] | (2,147,862) | (5,947,891) | (6,991,460) | |
| Net (increase) decrease in loans | (1,146,292) | 1,134,533 | (1,643,775) | ||
| Repayments of long-term securities purchased under agreements to resell | (200,000) | (900,000) | 0 | ||
| Proceeds from Securities Purchased under Agreements to Resell | 1,000,000 | 125,000 | 0 | ||
| Purchases of land, buildings and equipment | (65,191) | (56,716) | (33,134) | ||
| Sales of land, buildings and equipment | 2,985 | 8,859 | 1,878 | ||
| Net cash provided by (used in) investing activities | 242,271 | (2,082,758) | (5,390,504) | ||
| FINANCING ACTIVITIES | |||||
| Net increase (decrease) in non-interest bearing, savings, interest checking and money market deposits | (3,254,081) | 3,291,466 | 6,316,100 | ||
| Net increase (decrease) in time open and C.D.’s | (448,511) | (402,077) | (163,321) | ||
| Net increase (decrease) in short-term federal funds purchased and securities sold under agreements to repurchase | (181,233) | 924,584 | 247,611 | ||
| Net Increase (Decrease) in Short-Term Borrowings | (2,888) | 11,758 | (1,616) | ||
| Payments for Repurchase of Redeemable Preferred Stock | 0 | 0 | (150,000) | ||
| Purchases of treasury stock | (186,622) | (129,361) | (54,163) | ||
| Issuance of stock under equity compensation plans | (8) | (15) | (11) | ||
| Cash dividends paid on common stock | (127,466) | (122,693) | (120,818) | ||
| Cash dividends paid on preferred stock | 0 | 0 | (6,750) | ||
| Net cash provided by (used in) financing activities | (4,200,809) | 3,573,662 | 6,067,032 | ||
| Increase (decrease) in cash and cash equivalents | (3,399,153) | 2,088,626 | 1,300,520 | ||
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning of Year | 4,296,954 | 2,208,328 | 907,808 | ||
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, End of Year | 897,801 | 4,296,954 | 2,208,328 | ||
| Supplemental Cash Flow Information: | |||||
| Income tax payments, net | 116,995 | 119,665 | 90,066 | ||
| Interest paid on deposits and borrowings | 53,740 | 16,045 | 52,245 | ||
| Loans transferred to foreclosed real estate | $ 457 | $ 182 | $ 93 | ||
| |||||
Summary of Significant Accounting Policies |
12 Months Ended |
|---|---|
Dec. 31, 2022 | |
| Accounting Policies [Abstract] | |
| Summary of Significant Accounting Policies | Summary of Significant Accounting Policies Nature of Operations Commerce Bancshares, Inc. and its subsidiaries (the Company) conducts its principal activities from approximately 275 branch and ATM locations throughout Missouri, Kansas, Illinois, Oklahoma and Colorado. Principal activities include retail and commercial banking, investment management, securities brokerage, mortgage banking, trust, and private banking services. The Company also maintains offices in Dallas, Houston, Cincinnati, Nashville, Des Moines, Indianapolis, and Grand Rapids that support customers in its commercial and/or wealth segments and operates a commercial payments business with sales representatives covering the continental U.S. Basis of Presentation, Use of Estimates, and Subsequent Events The consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. All material inter-company transactions have been eliminated through consolidation. Certain prior year amounts have been reclassified to conform to the current year presentation. Such reclassifications had no effect on net income or total assets. The Company follows accounting principles generally accepted in the United States of America (GAAP) and reporting practices applicable to the banking industry. The preparation of financial statements under GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and notes. These estimates are based on information available to management at the time the estimates are made. While the consolidated financial statements reflect management’s best estimates and judgments, actual results could differ from those estimates. Management has evaluated subsequent events for potential recognition or disclosure through the date these consolidated financial statements were issued. The Company, in the normal course of business, engages in a variety of activities that involve variable interest entities (VIEs). A VIE is a legal entity that lacks equity investors or whose equity investors do not have a controlling financial interest in the entity through their equity investments. However, an enterprise is deemed to have a controlling financial interest and is the primary beneficiary of a VIE if it has both the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and an obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE. An enterprise that is the primary beneficiary must consolidate the VIE. The Company’s interests in VIEs are evaluated to determine if the Company is the primary beneficiary both at inception and when there is a change in circumstances that requires a reconsideration. The Company is considered to be the primary beneficiary in a rabbi trust related to a deferred compensation plan offered to certain employees. The assets and liabilities of this trust, which are included in the accompanying consolidated balance sheets, are not significant. The Company also has variable interests in certain entities in which it is not the primary beneficiary. These entities are not consolidated. These interests include certain investments in entities accounted for using the equity method of accounting, as well as affordable housing limited partnership interests, holdings in its investment portfolio of various asset and mortgage-backed bonds that are issued by securitization trusts, and managed discretionary trust assets that are not included in the accompanying consolidated balance sheets. Adoption of ASU 2016-13 The Company adopted ASU 2016-13 Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and its related amendments (collectively known as “CECL”) on January 1, 2020. The Company adopted CECL using the modified retrospective method for all financial assets measured at amortized cost and for unfunded lending commitments. Results for reporting periods beginning on or after January 1, 2020 are presented under CECL, while prior period amounts continue to be reported in accordance with previously applicable GAAP. The Company recorded a net increase to retained earnings of $3.8 million as of January 1, 2020 for the cumulative effect of adopting CECL. The transition adjustment included a decrease to the allowance for credit losses of $29.7 million related to the commercial loan portfolio, an increase to the allowance for credit losses of $8.7 million related to the personal banking loan portfolio, an increase to the liability for unfunded commitments of $16.1 million, and a tax impact of $1.2 million. Cash, Cash Equivalents and Restricted Cash In the accompanying consolidated statements of cash flows, cash and cash equivalents include “Cash and due from banks”, “Federal funds sold and short-term securities purchased under agreements to resell”, and “Interest earning deposits with banks” as segregated in the accompanying consolidated balance sheets. Restricted cash is comprised of cash collateral on deposit with another financial institution to secure interest rate swap transactions. Restricted cash is included in other assets in the consolidated balance sheets and totaled $6.7 million and $17.4 million at December 31, 2022 and 2021, respectively. During 2020, the Federal Reserve System, which historically required the Bank to maintain cash balances at the Federal Reserve Bank, reduced the reserve requirement ratios to zero percent effective March 26, 2020. Other interest earning cash balances held at the Federal Reserve Bank totaled $389.1 million at December 31, 2022. Loans and Related Earnings The Company's portfolio of held-for-investment loans includes a net investment in direct financing and sales type leases to commercial and industrial and tax-exempt entities, and collectively, the Company's portfolio of loans and leases is referred to as its "loan portfolio" or "loans". Loans that management has the intent and ability to hold for the foreseeable future or until maturity or pay-off are reported at amortized cost, excluding accrued interest receivable. Amortized cost is the outstanding principal balance, net of any deferred fees and costs on originated loans. Origination fee income received on loans and amounts representing the estimated direct costs of origination are deferred and amortized to interest income over the life of the loan using the interest method. Interest on loans is accrued based upon the principal amount outstanding. The Company has elected the practical expedient to exclude all accrued interest receivable from all required disclosures of amortized cost. Additionally, an election was made not to measure an allowance for credit losses for accrued interest receivables. The Company has also made the election that all interest accrued but ultimately not received is reversed against interest income. Loan and commitment fees, net of costs, are deferred and recognized in interest income over the term of the loan or commitment as an adjustment of yield. Annual fees charged on credit card loans are capitalized to principal and amortized over 12 months to loan fees and sales. Other credit card fees, such as cash advance fees and late payment fees, are recognized in income as an adjustment of yield when charged to the cardholder’s account. Past Due Loans Management reports loans as past due on the day following the contractual repayment date if payment was not received by end of the business day. Loans, or portions of loans, are charged off to the extent deemed uncollectible. Loan charge-offs reduce the allowance for credit losses on loans, and recoveries of loans previously charged off are added back to the allowance. Business, business real estate, construction and land real estate, and personal real estate loans are generally charged down to estimated collectible balances when they are placed on non-accrual status. Consumer loans and related accrued interest are normally charged down to the fair value of related collateral (or are charged off in full if not collateralized) once the loans are more than 120 to 180 days delinquent, depending on the type of loan. Revolving home equity loans are charged down to the fair value of the related collateral once the loans are more than 180 days past due. Credit card loans are charged off against the allowance for credit losses when the receivable is more than 180 days past due. Non-Accrual Loans Loans are placed on non-accrual status when management does not expect to collect payments consistent with acceptable and agreed upon terms of repayment. Business, construction real estate, business real estate, and personal real estate loans that are contractually 90 days past due as to principal and/or interest payments are generally placed on non-accrual status, unless they are both well-secured and in the process of collection. Consumer, revolving home equity and credit card loans are exempt under regulatory rules from being classified as non-accrual. When a loan is placed on non-accrual status, any interest previously accrued but not collected is reversed against current interest income, and the loan is charged off to the extent uncollectible. Principal and interest payments received on non-accrual loans are generally applied to principal. Interest is included in income only after all previous loan charge-offs have been recovered and is recorded only as received. The loan is returned to accrual status only when the borrower has brought all past due principal and interest payments current, and, in the opinion of management, the borrower has demonstrated the ability to make future payments of principal and interest as scheduled. A six month history of sustained payment performance is generally required before reinstatement of accrual status. Troubled Debt Restructurings A loan is accounted for as a troubled debt restructuring if the Company, for economic or legal reasons related to the borrower's financial difficulties, grants a concession to the borrower that it would not otherwise consider. A troubled debt restructuring typically involves (1) modification of terms such as a reduction of the stated interest rate, loan principal, or accrued interest, (2) a loan renewal at a stated interest rate lower than the current market rate for a new loan with similar risk, or (3) debt that was not reaffirmed in bankruptcy. Business, business real estate, construction and land real estate and personal real estate troubled debt restructurings with impairment charges are placed on non-accrual status. The Company measures the impairment loss of a troubled debt restructuring at the time of modification based on the present value of expected future cash flows. Subsequent to modification, troubled debt restructurings are subject to the Company’s allowance for credit loss model, which is discussed below and in Note 2, Loans and Allowance for Credit Losses. Troubled debt restructurings that are performing under their contractual terms continue to accrue interest, which is recognized in current earnings. Section 4013 of the Coronavirus Aid, Relief, and Economic Security Act ("CARES Act"), which was signed into law on March 27, 2020, provided financial institutions an option to suspend the requirement to categorize certain loan modifications related to the global Coronavirus Disease 2019 (COVID-19) pandemic as troubled debt restructurings. The 2021 Consolidated Appropriations Act signed on December 27, 2020 extends this temporary suspension through January 1, 2022. The Company elected such option from March 27, 2020 through December 31, 2021. Refer to Note 2 for additional information. Loans Held For Sale Loans held for sale include student loans and certain fixed rate residential mortgage loans. These loans are typically classified as held for sale upon origination based upon management's intent to sell the production of these loans. The student loans are carried at the lower of aggregate cost or fair value, and their fair value is determined based on sale contract prices. The mortgage loans are carried at fair value under the elected fair value option. Their fair value is based on secondary market prices for loans with similar characteristics, including an adjustment for embedded servicing value. Changes in fair value and gains and losses on sales are included in loan fees and sales. Deferred fees and costs related to these loans are not amortized but are recognized as part of the cost basis of the loan at the time it is sold. Interest income related to loans held for sale is accrued based on the principal amount outstanding and the loan's contractual interest rate. Occasionally, other types of loans may be classified as held for sale in order to manage credit concentration. These loans are carried at the lower of cost or fair value with gains and losses on sales recognized in loan fees and sales. Allowance for Credit Losses on Loans The allowance for credit losses on loans is a valuation amount that is deducted from the amortized cost basis of loans not held at fair value to present the net amount expected to be collected over the contractual term of the loans. The allowance for credit losses on loans is measured using relevant information about past events, including historical credit loss experience on loans with similar risk characteristics, current conditions, and reasonable and supportable forecasts that affect the collectability of the remaining cash flows over the contractual term of the loans. An allowance will be created upon origination or acquisition of a loan and is updated at subsequent reporting dates. The methodology is applied consistently for each reporting period and reflects management’s current expectations of credit losses. Changes to the allowance for credit losses on loans resulting from periodic evaluations are recorded through increases or decreases to the credit loss expense for loans, which is recorded in provision for credit losses on the consolidated statements of income. Loans that are deemed to be uncollectible are charged off against the related allowance for credit losses on loans. The allowance for credit losses on loans is measured on a collective (pool) basis. Loans are aggregated into pools based on similar risk characteristics including borrower type, collateral type and expected credit loss patterns. The allowance for credit losses on a troubled debt restructuring which continues to accrue interest is also measured on a collective basis. Loans that do not share similar risk characteristics, primarily large loans on non-accrual status, are evaluated on an individual basis. The allowance related to these large non-accrual loans is measured using the fair value of the collateral (less selling cost, if applicable) as most of these loans are collateral dependent and the borrower is facing financial difficulty. As noted above, the allowance for credit losses on loans does not include an allowance for accrued interest. Liability for Unfunded Lending Commitments The Company’s unfunded lending commitments are primarily unfunded loan commitments and letters of credit. Expected credit losses for these unfunded lending commitments are calculated over the contractual period during which the Company is exposed to the credit risk. The methodology used to measure credit losses for unfunded lending commitments is the same as the methodology used for loans, however, the estimate of credit risk for unfunded lending commitments takes into consideration the likelihood that funding will occur. The liability for unfunded lending commitments excludes any exposures that are unconditionally cancellable by the Company. The loss estimate is recorded within other liabilities on the consolidated balance sheet. Changes to the liability for unfunded lending commitments are recorded through increases or decreases to the provision for credit losses on the consolidated statements of income. Direct Financing and Sales Type Leases The net investment in direct financing and sales type leases is included in loans on the Company’s consolidated balance sheets and consists of the present values of the sum of the future minimum lease payments and estimated residual value of the leased asset. Revenue consists of interest earned on the net investment and is recognized over the lease term as a constant percentage return thereon. Investments in Debt and Equity Securities The majority of the Company's investment portfolio is comprised of debt securities that are classified as available for sale. From time to time, the Company sells securities and utilizes the proceeds to reduce borrowings, fund loan growth, or modify its interest rate profile. Securities classified as available for sale are carried at fair value. Changes in fair value are reported in other comprehensive income (loss), a component of stockholders’ equity. Securities are periodically evaluated for credit losses in accordance with the guidance provided in Accounting Standards Codification (ASC) 326. Further discussion of this evaluation is provided in "Allowance for Credit Losses on Available for Sale Debt Securities" below. Gains and losses realized upon sales of securities are calculated using the specific identification method and are included in investment securities gains (losses), net, in the consolidated statements of income. Purchase premiums and discounts are amortized to interest income using a level yield method over the estimated lives of the securities. For certain callable debt securities purchased at a premium, the amortization is recorded to the earliest call date. For mortgage and asset-backed securities, prepayment experience is evaluated quarterly to determine if a change in a bond's estimated remaining life is necessary. A corresponding adjustment is then made in the related amortization of premium or discount accretion. Accrued interest receivable on available for sale debt securities is reported in other assets on the consolidated balance sheet. The Company has elected the practical expedient to exclude the accrued interest from all required disclosures of amortized cost of debt securities. Additionally, an election was made not to measure an allowance for credit losses for accrued interest receivables. Interest accrued but not received is reversed against interest income. Equity securities include common and preferred stock and are carried at fair value. Certain equity securities do not have readily determinable fair values. The Company has elected under ASU 2016-01 to measure these equity securities without a readily determinable fair value at cost minus impairment, if any, plus or minus changes resulting from observable price changes for the identical or similar investment of the same issuer. The Company has not recorded any impairment or other adjustments to the carrying amount of these equity securities without readily determinable fair values. Other securities include the Company's investments in Federal Reserve Bank stock and Federal Home Loan Bank stock, equity method investments, and private equity investments. Federal Reserve Bank stock and Federal Home Loan Bank stock are held for debt and regulatory purposes, are carried at cost and are periodically evaluated for impairment. The Company's equity method investments are carried at cost, adjusted to reflect the Company's portion of income, loss, or dividends of the investee. The Company's private equity investments in portfolio concerns, consisting of both debt and equity instruments, are held by the Company’s private equity subsidiary, which is a small business investment company licensed by the Small Business Administration. The Company's private equity investments are carried at fair value in accordance with investment company accounting guidance (ASC 946-10-15), with changes in fair value reported in current income. In the absence of readily ascertainable market values, fair value is estimated using internally developed methods. Changes in fair value which are recognized in current income and gains and losses from sales are included in investment securities gains (losses), net, in the consolidated statements of income. Trading account securities, which are debt securities bought and held principally for the purpose of resale in the near term, are carried at fair value. Gains and losses, both realized and unrealized, are recorded in non-interest income. Purchases and sales of securities are recognized on a trade date basis. A receivable or payable is recognized for transaction pending settlements. Allowance for Credit Losses on Available for Sale Debt Securities For available for sale debt securities in an unrealized loss position, the entire loss in fair value is required to be recognized in current earnings if the Company intends to sell the securities or believes it more likely than not that it will be required to sell the security before the anticipated recovery. If neither condition is met, and the Company does not expect to recover the amortized cost basis, the Company determines whether the decline in fair value resulted from credit losses or other factors. If the assessment indicates that a credit loss exists, the present value of cash flows expected to be collected is compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss has occurred, and an allowance for credit losses is recorded. The allowance for credit losses is limited by the amount that the fair value is less than the amortized cost basis. Any impairment not recorded through the provision for credit losses is recognized in other comprehensive income. Changes in the allowance for credit losses are recorded as a provision for (or reversal of) credit losses on the consolidated statements of income. Losses are charged against the allowance for credit losses on securities when management believes the uncollectibility of an available for sale security is confirmed or when either of the conditions regarding intent or requirement to sell is met. Accrued interest receivable on available for sale debt securities is excluded from the estimate of credit losses. Securities Purchased under Agreements to Resell and Securities Sold under Agreements to Repurchase Securities purchased under agreements to resell and securities sold under agreements to repurchase are treated as collateralized financing transactions, not as purchases and sales of the underlying securities. The agreements are recorded at the amount of cash advanced or received. The Company periodically enters into securities purchased under agreements to resell with large financial institutions. Securities pledged by the counterparties to secure these agreements are delivered to a third party custodian. Securities sold under agreements to repurchase are a source of funding to the Company and are offered to cash management customers as an automated, collateralized investment account. From time to time, securities sold may also be used by the Bank to obtain additional borrowed funds at favorable rates. These borrowings are secured by a portion of the Company's investment security portfolio and delivered either to the dealer custody account at the Federal Reserve Bank or to the applicable counterparty. The fair value of collateral either received from or provided to a counterparty is monitored daily, and additional collateral is obtained, returned, or provided by the Company in order to maintain full collateralization for these transactions. As permitted by current accounting guidance, the Company offsets certain securities purchased under agreements to resell against securities sold under agreements to repurchase in its balance sheet presentation. These agreements are further discussed in Note 20, Resale and Repurchase Agreements. Premises and Equipment Land is stated at cost, and buildings and equipment are stated at cost, including capitalized interest when appropriate, less accumulated depreciation. Depreciation is computed using a straight-line method, utilizing estimated useful lives; generally 30 to 40 years for buildings, 10 years for building improvements, and 3 to 10 years for equipment. Leasehold improvements are amortized over the shorter of 10 years or the remaining lease term. Maintenance and repairs are charged to non-interest expense as incurred. Also included in premises and equipment is construction in process, which represents facilities construction projects underway that have not yet been placed into service, as well as the Company's right-of-use leased assets, which are mainly comprised of operating leases for branches, office space, ATM locations, and certain equipment. Foreclosed Assets Foreclosed assets consist of property that has been repossessed and is comprised of commercial and residential real estate and other non-real estate property, including auto and recreational and marine vehicles. The assets are initially recorded at fair value less estimated selling costs, establishing a new cost basis. Initial valuation adjustments are charged to the allowance for credit losses. Fair values are estimated primarily based on appraisals, third-party price opinions, or internally developed pricing models. After initial recognition, fair value estimates are updated periodically. Declines in fair value below cost are recognized through valuation allowances which may be reversed when supported by future increases in fair value. These valuation adjustments, in addition to gains and losses realized on sales and net operating expenses, are recorded in other non-interest expense. Foreclosed assets are included in other assets on the consolidated balance sheets. Goodwill and Intangible Assets Goodwill and intangible assets that have indefinite useful lives, such as property easement intangible assets, are not amortized but are assessed for impairment on an annual basis or more frequently in certain circumstances. When testing for goodwill impairment, the Company may initially perform a qualitative assessment. Based on the results of this qualitative assessment, if the Company concludes it is more likely than not that a reporting unit's fair value is less than its carrying amount, a quantitative analysis is performed. Quantitative valuation methodologies include a combination of formulas using current market multiples, based on recent sales of financial institutions within the Company's geographic marketplace. If the fair value of a reporting unit is less than the carrying amount, an impairment has occurred and is measured as the amount by which the carrying amount exceeds the reporting unit's fair value. The Company has not recorded impairment resulting from goodwill impairment tests. However, adverse changes in the economic environment, operations of the reporting unit, or other factors could result in a decline in fair value. Intangible assets that have finite useful lives, such as core deposit intangibles and mortgage servicing rights, are amortized over their estimated useful lives. Core deposit intangibles are generally amortized over periods of 8 to 14 years, representing their estimated lives, using accelerated methods. Mortgage servicing rights are amortized in proportion to and over the period of estimated net servicing income, considering appropriate prepayment assumptions. Core deposit intangibles are reviewed for impairment whenever events or changes in circumstances indicate their carrying amount may not be recoverable. Impairment is indicated if the sum of the undiscounted estimated future net cash flows is less than the carrying value of the intangible asset. Mortgage servicing rights, while initially recorded at fair value, are subsequently amortized and carried at the lower of the initial capitalized amount (net of accumulated amortization), or estimated fair value. The Company evaluates its mortgage servicing rights for impairment on a quarterly basis, using estimated prepayment speeds of the underlying mortgage loans serviced and stratifications based on the risk characteristics of the underlying loans. A valuation allowance has been established, through a charge to earnings, to the extent the amortized cost exceeds the estimated fair value. However, the Company has not recorded other-than-temporary impairment losses on its intangible assets. Income Taxes Amounts provided for income tax expense are based on income reported for financial statement purposes and do not necessarily represent amounts currently payable under tax laws. Deferred income taxes are provided for temporary differences between the financial reporting bases and income tax bases of the Company’s assets and liabilities, net operating losses, and tax credit carryforwards. Deferred tax assets and liabilities are measured using the enacted tax rates that are expected to apply to taxable income when such assets and liabilities are anticipated to be settled or realized. The effect on deferred tax assets and liabilities of a change in tax rates is recognized as tax expense or benefit in the period that includes the enactment date of the change. In determining the amount of deferred tax assets to recognize in the financial statements, the Company evaluates the likelihood of realizing such benefits in future periods. A valuation allowance is established if it is more likely than not that all or some portion of the deferred tax asset will not be realized. The Company recognizes interest and penalties related to income taxes within income tax expense in the consolidated statements of income. The Company and its eligible subsidiaries file a consolidated federal income tax return. State and local income tax returns are filed on a combined, consolidated or separate return basis based upon each jurisdiction’s laws and regulations. Additional information about current and deferred income taxes is provided in Note 9, Income Taxes. Non-Interest Income Non-interest income is mainly comprised of revenue from contracts with customers. For that revenue (excluding certain revenue associated with financial instruments, derivative and hedging instruments, guarantees, lease contracts, transferring and servicing of financial assets, and other specific revenue transactions), the Company applies the following five-step approach when recognizing revenue: (i) identify the contract with the customer, (ii) identify the performance obligations, (iii) determine the transaction price, (iv) allocate the transaction price to the performance obligations, and (v) recognize revenue when (or as) the performance obligation is satisfied. The Company’s contracts with customers are generally short term in nature, with a duration of one year or less, and most contracts are cancellable by either the Company or its customer without penalty. Performance obligations for customer contracts are generally satisfied at a single point in time, typically when the transaction is complete and the customer has received the goods or service, or over time. For performance obligations satisfied over time, the Company recognizes the value of the goods or services transferred to the customer when the performance obligations have been transferred and received by the customer. Payments for satisfied performance obligations are typically due when or as the goods or services are completed, or shortly thereafter, which usually occurs within a single financial reporting period. In situations where payment is made before the performance obligation is satisfied, the fees are deferred until the performance obligations pertaining to those goods or services are completed. In cases where payment has not been received despite satisfaction of its performance obligations, the Company accrues an estimate of the amount due in the period that the performance obligations have been satisfied. For contracts with variable components, the Company only recognizes revenue to the extent that it is probable that the cumulative amount recognized will not be subject to a significant reversal in future periods. Generally, the Company’s contracts do not include terms that require significant judgment to determine whether a variable component is included within the transaction price. The Company generally acts in a principal capacity, on its own behalf, in most of its contracts with customers. For these transactions, revenue and the related costs to provide the goods or services are presented on a gross basis in the financial statements. In some cases, the Company acts in an agent capacity, deriving revenue through assisting third parties in transactions with the Company’s customers. In such transactions, revenue and the related costs to provide services is presented on a net basis in the financial statements. These transactions primarily relate to fees earned from bank card and related network and rewards costs and the sales of annuities and certain limited insurance products. Derivatives Most of the Company's derivative contracts are accounted for as free-standing instruments. These instruments are carried at fair value, and changes in fair value are recognized in current earnings. They include interest rate swaps and caps, which are offered to customers to assist in managing their risks of adverse changes in interest rates. Each contract between the Company and a customer is offset by a contract between the Company and an institutional counterparty, thus minimizing the Company's exposure to rate changes. The Company also enters into certain contracts, known as credit risk participation agreements, to buy or sell credit protection on specific interest rate swaps. It also purchases and sells forward foreign exchange contracts, either in connection with customer transactions, or for its own trading purposes. Additionally, the Company originates and sells certain personal real estate mortgages. Derivative instruments under this program include mortgage loan commitments, forward loan sale contracts, and forward contracts to sell certain to-be-announced (TBA) securities. The Company's interest rate risk management policy permits the use of hedge accounting for derivatives, and the Company has entered into interest rate floor contracts as protection from the potential for declining interest rates in the commercial loan portfolio. These floors were designated and qualified as cash flow hedges. In a cash flow hedge, the changes in fair value are recorded in accumulated other comprehensive income and recognized in the income statement when the hedged cash flows affect earnings. Both at hedge inception and on an ongoing basis, the Company assesses whether the interest rate floors used in the hedging relationships are highly effective in offsetting changes in the cash flows of the hedged items. From time to time, the Company has monetized its interest rate floors that had previously been designated and qualified as cash flow hedges. In such case, the monetized cash flow hedge is derecognized and the amounts recorded in accumulated other comprehensive income (AOCI) remain in AOCI until the underlying forecasted transaction impacts earnings, unless the forecasted transaction becomes probable of not occurring. The Company has master netting arrangements with various counterparties but does not offset derivative assets and liabilities under these arrangements in its consolidated balance sheets. However, interest rate swaps that are executed under central clearing requirements are presented net of variation margin as mandated by the statutory terms of the Company's contract with its clearing counterparty. Additional information about derivatives held by the Company and valuation methods employed is provided in Note 17, Fair Value Measurements and Note 19, Derivative Instruments. Pension Plan The Company’s pension plan is described in Note 10, Employee Benefit Plans. In accordance with ASU 2017-07, the Company has reported the service cost component of net periodic pension cost in salaries and employee benefits in the accompanying consolidated statements of income, while the other components are reported in other non-interest expense. The funded status of the plan is recognized as an other asset or other liability in the consolidated balance sheets, and changes in that funded status are recognized in the year in which the changes occur through other comprehensive income. Plan assets and benefit obligations are measured as of the fiscal year end of the plan. The measurement of the projected benefit obligation and pension expense involve actuarial valuation methods and the use of various actuarial and economic assumptions. The Company monitors the assumptions and updates them periodically. Due to the long-term nature of the pension plan obligation, actual results may differ significantly from estimations. Such differences are adjusted over time as the assumptions are replaced by facts and values are recalculated. Stock-Based Compensation The Company’s stock-based compensation plan is described in Note 11, Stock-Based Compensation and Directors Stock Purchase Plan. In accordance with the requirements of ASC 718-10-30-3 and 35-2, the Company measures the cost of stock-based compensation based on the grant-date fair value of the award, recognizing the cost over the requisite service period, which is generally the vesting period. The fair value of stock appreciation rights is estimated using the Black-Scholes option-pricing model while the fair value of a nonvested stock award is the common stock (CBSH) market price. The expense recognized for stock-based compensation is included in salaries and benefits in the accompanying consolidated statements of income. The Company recognizes forfeitures as a reduction to expense only when they have occurred. Treasury Stock Purchases of the Company’s common stock are recorded at cost. Upon re-issuance for acquisitions, exercises of stock-based awards or other corporate purposes, treasury stock is reduced based upon the average cost basis of shares held. Income per Share Basic income per share is computed using the weighted average number of common shares outstanding during each year. Diluted income per share includes the effect of all dilutive potential common shares (primarily stock appreciation rights) outstanding during each year. The Company applies the two-class method of computing income per share. The two-class method is an earnings allocation formula that determines income per share for common stock and for participating securities, according to dividends declared and participation rights in undistributed earnings. The Company’s nonvested stock awards are considered to be a class of participating security. All per share data has been restated to reflect the 5% stock dividend distributed in December 2022.
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| Loans And Allowance For Credit Losses | Loans and Allowance for Credit Losses Major classifications within the Company’s held for investment loan portfolio at December 31, 2022 and 2021 are as follows:
(1) Accrued interest receivable totaled $55.5 million and $25.9 million at December 31, 2022 and 2021, respectively, and was included within other assets on the consolidated balance sheet. For the year ended December 31, 2022, the Company wrote-off accrued interest by reversing interest income of $145 thousand and $3.2 million in the Commercial and Personal Banking portfolios, respectively. Loans to directors and executive officers of the Parent and the Bank, and to their affiliates, are summarized as follows:
Management believes all loans to directors and executive officers have been made in the ordinary course of business with normal credit terms, including interest rate and collateral considerations, and do not represent more than a normal risk of collection. The activity in the table above includes draws and repayments on several lines of credit with business entities. There were no outstanding loans at December 31, 2022 to principal holders (over 10% ownership) of the Company’s common stock. The Company’s lending activity is generally centered in Missouri, Kansas, Illinois and other nearby states including Oklahoma, Colorado, Iowa, Ohio, and Texas. The Company maintains a diversified portfolio with limited industry concentrations of credit risk. Loans and loan commitments are extended under the Company’s normal credit standards, controls, and monitoring procedures. Most loan commitments are short or intermediate term in nature. Commercial loan maturities generally range from one to seven years. Collateral is commonly required and would include such assets as marketable securities, cash equivalent assets, accounts receivable, inventory, equipment, other forms of personal property, and real estate. At December 31, 2022, unfunded loan commitments totaled $14.3 billion (which included $5.2 billion in unused approved lines of credit related to credit card loan agreements) which could be drawn by customers subject to certain review and terms of agreement. At December 31, 2022, loans totaling $3.0 billion were pledged at the FHLB as collateral for borrowings and letters of credit obtained to secure public deposits. Additional loans of $1.3 billion were pledged at the Federal Reserve Bank as collateral for discount window borrowings. The Company has a net investment in direct financing and sales type leases to commercial and industrial and tax-exempt entities of $779.9 million and $725.6 million at December 31, 2022 and 2021, respectively, which is included in business loans on the Company’s consolidated balance sheets. This investment includes deferred income of $73.2 million and $55.0 million at December 31, 2022 and 2021, respectively. Allowance for credit losses The allowance for credit losses is measured using an average historical loss model which incorporates relevant information about past events (including historical credit loss experience on loans with similar risk characteristics), current conditions, and reasonable and supportable forecasts that affect the collectability of the remaining cash flows over the contractual term of the loans. The allowance for credit losses is measured on a collective (pool) basis. Loans are aggregated into pools based on similar risk characteristics including borrower type, collateral type and expected credit loss patterns. Loans that do not share similar risk characteristics, primarily large loans on non-accrual status, are evaluated on an individual basis. For loans evaluated for credit losses on a collective basis, average historical loss rates are calculated for each pool using the Company’s historical net charge-offs (combined charge-offs and recoveries by observable historical reporting period) and outstanding loan balances during a lookback period. Lookback periods can be different based on the individual pool and represent management’s credit expectations for the pool of loans over the remaining contractual life. In certain loan pools, if the Company’s own historical loss rate is not reflective of the loss expectations, the historical loss rate is augmented by industry and peer data. The calculated average net charge-off rate is then adjusted for current conditions and reasonable and supportable forecasts. These adjustments increase or decrease the average historical loss rate to reflect expectations of future losses given a single path economic forecast of key macroeconomic variables including GDP, disposable income, unemployment rate, various interest rates, consumer price index (CPI) inflation rate, housing price index (HPI), commercial real estate price index (CREPI) and market volatility. The adjustments are based on results from various regression models projecting the impact of the macroeconomic variables to loss rates. The forecast is used for a reasonable and supportable period before reverting back to historical averages using a straight-line method. The forecast adjusted loss rate is applied to the amortized cost of loans over the remaining contractual lives, adjusted for expected prepayments. The contractual term excludes expected extensions (except for contractual extensions at the option of the customer), renewals and modifications unless there is a reasonable expectation that a troubled debt restructuring will be executed. Credit cards and certain similar consumer lines of credit do not have stated maturities and therefore, for these loan classes, remaining contractual lives are determined by estimating future cash flows expected to be received from customers until payments have been fully allocated to outstanding balances. Additionally, the allowance for credit losses considers other qualitative factors not included in historical loss rates or macroeconomic forecast such as changes in portfolio composition, underwriting practices, or significant unique events or conditions. Key assumptions in the Company’s allowance for credit loss model include the economic forecast, the reasonable and supportable period, forecasted macro-economic variables, prepayment assumptions and qualitative factors applied for portfolio composition changes, underwriting practices, or significant unique events or conditions. The assumptions utilized in estimating the Company’s allowance for credit losses at December 31, 2022 and 2021 are discussed below.
The liability for unfunded lending commitments utilizes the same model as the allowance for credit losses on loans, however, the liability for unfunded lending commitments incorporates an assumption for the portion of unfunded commitments that are expected to be funded. Sensitivity in the Allowance for Credit Loss model The allowance for credit losses is an estimate that requires significant judgment including projections of the macro-economic environment. The forecasted macro-economic environment continuously changes which can cause fluctuations in estimated expected credit losses. The current forecast continues to reflect a mild recession in 2023 due to high inflation, higher interest rates, and a weaker job market. The impacts of the stressed geopolitical environment, trends in health conditions, and market responses to the usually high inflation could significantly modify economic projections used in the estimation of the allowance for credit losses and liability for unfunded lending commitments. A summary of the activity in the allowance for credit losses on loans and the liability for unfunded lending commitments during the years ended December 31, 2022 and 2021 follows:
Delinquent and non-accrual loans The Company considers loans past due on the day following the contractual repayment date, if the contractual repayment was not received by the Company as of the end of the business day. The following table provides aging information on the Company’s past due and accruing loans, in addition to the balances of loans on non-accrual status, at December 31, 2022 and 2021.
At December 31, 2022 and 2021, the Company had $3.8 million and $5.3 million, respectively, of non-accrual business loans that had no allowance for credit loss. The Company did not record any interest income on non-accrual loans during the years ended December 31, 2022 and 2021. Credit quality indicators The following table provides information about the credit quality of the Commercial loan portfolio. The Company utilizes an internal risk rating system comprised of a series of grades to categorize loans according to perceived risk associated with the expectation of debt repayment based on borrower specific information, including but not limited to, current financial information, historical payment experience, industry information, collateral levels and collateral types. The “pass” category consists of a range of loan grades that reflect increasing, though still acceptable, risk. A loan is assigned the risk rating at origination and then monitored throughout the contractual term for possible risk rating changes. Movement of risk through the various grade levels in the “pass” category is monitored for early identification of credit deterioration. The “special mention” rating is applied to loans where the borrower exhibits negative financial trends due to borrower specific or systemic conditions that, if left uncorrected, threaten its capacity to meet its debt obligations. The borrower is believed to have sufficient financial flexibility to react to and resolve its negative financial situation. It is a transitional grade that is closely monitored for improvement or deterioration. The “substandard” rating is applied to loans where the borrower exhibits well-defined weaknesses that jeopardize its continued performance and are of a severity that the distinct possibility of default exists. Loans are placed on “non-accrual” when management does not expect to collect payments consistent with acceptable and agreed upon terms of repayment. All loans are analyzed for risk rating updates annually. For larger loans, rating assessments may be more frequent if relevant information is obtained earlier through debt covenant monitoring or overall relationship management. Smaller loans are monitored as identified by the loan officer based on the risk profile of the individual borrower or if the loan becomes past due related to credit issues. Loans rated Special Mention, Substandard or Non-accrual are subject to quarterly review and monitoring processes. In addition to the regular monitoring performed by the lending personnel and credit committees, loans are subject to review by a credit review department which verifies the appropriateness of the risk ratings for the loans chosen as part of its risk-based review plan. The risk category of loans in the Commercial portfolio as of December 31, 2022 and 2021 are as follows:
The credit quality of Personal Banking loans is monitored primarily on the basis of aging/delinquency, and this information is provided as of December 31, 2022 and 2021 below:
Collateral-dependent loans The Company's collateral-dependent loans are comprised of large loans on non-accrual status. The Company requires that collateral-dependent loans are either over-collateralized or carry collateral equal to the amortized cost of the loan. The following table presents the amortized cost basis of collateral-dependent loans as of December 31, 2022 and 2021.
Other Personal Banking loan information As noted above, the credit quality of Personal Banking loans is monitored primarily on the basis of aging/delinquency, and this information is provided in the table in the above section on "Credit quality indicators." In addition, FICO scores are obtained and updated on a quarterly basis for most of the loans in the Personal Banking portfolio. This is a published credit score designed to measure the risk of default by taking into account various factors from a borrower's financial history and is considered supplementary information utilized by the Company, as management does not consider this information in evaluating the allowance for credit losses on loans. The Bank normally obtains a FICO score at the loan's origination and renewal dates, and updates are obtained on a quarterly basis. Excluded from the table below are certain personal real estate loans for which FICO scores are not obtained because the loans generally pertain to commercial customer activities and are often underwritten with other collateral considerations. These loans totaled $179.2 million at December 31, 2022 and $185.6 million at December 31, 2021. The table also excludes consumer loans related to the Company's patient healthcare loan program, which totaled $197.5 million at December 31, 2022 and $186.6 million at December 31, 2021. As the healthcare loans are guaranteed by the hospital, customer FICO scores are not obtained for these loans. The personal real estate loans and consumer loans excluded below totaled less than 7% of the Personal Banking portfolio. For the remainder of loans in the Personal Banking portfolio, the table below shows the percentage of balances outstanding at December 31, 2022 and 2021 by FICO score.
Troubled debt restructurings Restructured loans are those extended to borrowers who are experiencing financial difficulty and who have been granted a concession. Restructured loans are placed on non-accrual status if the Company does not believe it probable that amounts due under the contractual terms will be collected. Commercial performing restructured loans are primarily comprised of certain business, construction and business real estate loans classified as substandard, but renewed at rates judged to be non-market. These loans are performing in accordance with their modified terms, and because the Company believes it probable that all amounts due under the modified terms of the agreements will be collected, interest on these loans is being recognized on an accrual basis. Troubled debt restructurings also include certain credit card and other small consumer loans under various debt management and assistance programs. Modifications to these loans generally involve removing the available line of credit, placing loans on amortizing status, and lowering the contractual interest rate. Certain personal real estate, revolving home equity, and consumer loans were classified as consumer bankruptcy troubled debt restructurings because they were not reaffirmed by the borrower in bankruptcy proceedings. Interest on these loans is being recognized on an accrual basis, as the borrowers are continuing to make payments. Other consumer loans classified as troubled debt restructurings consist of various other workout arrangements with consumer customers. Section 4013 of the CARES Act was signed into law on March 27, 2020, and includes a provision that short-term modifications are not troubled debt restructurings, if made on a good-faith basis in response to COVID-19 to borrowers who were current prior to December 31, 2019. The Company elected such option under the CARES Act when determining if a customer’s modification is subject to troubled debt restructuring classification. If it is deemed the modification is not short-term, not COVID-19 related or the customer does not meet the criteria under the guidance to be scoped out of troubled debt restructuring classification, the Company will evaluate the loan modifications under its existing framework and account for the modification as a troubled debt restructuring. The initial guidance issued under the CARES Act was due to expire on December 31, 2020. During January 2021, the Consolidated Appropriations Act, 2021 was enacted and extended relief offered under the CARES Act related to the accounting and disclosure requirements for troubled debt restructurings as a result of COVID-19. The Company elected to extend its application of this guidance through December 31, 2021. The table below shows the balances of troubled debt restructurings by accrual status at December 31, 2022 and 2021.
The table below shows the balance of troubled debt restructurings by loan classification at December 31, 2022, in addition to the outstanding balances of these restructured loans which the Company considers to have been in default at any time during the past twelve months. For purposes of this disclosure, the Company considers "default" to mean 90 days or more past due as to interest or principal.
For those loans on non-accrual status also classified as restructured, the modification did not create any further financial effect on the Company as those loans were already recorded at net realizable value. For those performing commercial loans classified as restructured, there were no concessions involving forgiveness of principal or interest and, therefore, there was no financial impact to the Company as a result of modification to these loans. However, the effects of modifications to loans under various debt management and assistance programs were estimated to decrease interest income by approximately $661 thousand on an annual, pre-tax basis, compared to amounts contractually owed. Performing consumer loans where the debt was not reaffirmed in bankruptcy did not result in a concession, as no changes to loan terms occurred in that process. Other modifications to consumer loans mainly involve extensions and other small modifications that did not include the forgiveness of principal or interest. The allowance for credit losses related to troubled debt restructurings on non-accrual status is determined by individual evaluation, including collateral adequacy, using the same process as loans on non-accrual status which are not classified as troubled debt restructurings. Those performing loans classified as troubled debt restructurings are accruing loans which management expects to collect under contractual terms. Performing commercial loans having no other concessions granted other than being renewed at non-market interest rates are judged to have similar risk characteristics as non-troubled debt commercial loans and are collectively evaluated based on internal risk rating, loan type, delinquency, historical experience and current economic factors. Performing personal banking loans classified as troubled debt restructurings resulted from the borrower not reaffirming the debt during bankruptcy and have had no other concession granted, other than the Bank's future limitations on collecting payment deficiencies or in pursuing foreclosure actions. As such, they have similar risk characteristics as non-troubled debt personal banking loans and are evaluated collectively based on loan type, delinquency, historical experience and current economic factors. If a troubled debt restructuring defaults and is already on non-accrual status, the allowance for credit losses continues to be based on individual evaluation, using discounted expected cash flows or the fair value of collateral. If an accruing, troubled debt restructuring defaults, the loan's risk rating is downgraded to non-accrual status and the loan's related allowance for credit losses is determined based on individual evaluation, or if necessary, the loan is charged off and collection efforts begin. The Company had $12.6 million commitments at December 31, 2022 to lend additional funds to borrowers with restructured loans, compared to no commitments at December 31, 2021. Loans held for sale The Company designates certain long-term fixed rate personal real estate loans as held for sale, and the Company has elected the fair value option for these loans. The election of the fair value option aligns the accounting for these loans with the related economic hedges discussed in Note 19. The loans are primarily sold to FNMA and FHLMC. At December 31, 2022, there was no personal real estate loans held for sale. The Company also designates certain student loan originations as held for sale. The borrowers are credit-worthy students who are attending colleges and universities. The loans are intended to be sold in the secondary market, and the Company maintains contracts with Sallie Mae to sell the loans within 210 days after the last disbursement to the student. These loans are carried at lower of cost or fair value, which at December 31, 2022 totaled $4.9 million. At December 31, 2022, none of the loans held for sale were on non-accrual status or 90 days past due and still accruing. Foreclosed real estate/repossessed assets The Company’s holdings of foreclosed real estate totaled $96 thousand and $115 thousand at December 31, 2022 and 2021, respectively. Personal property acquired in repossession, generally autos, marine and recreational vehicles (RV), totaled $1.6 million and $1.1 million at December 31, 2022 and 2021, respectively. Upon acquisition, these assets are recorded at fair value less estimated selling costs at the date of foreclosure, establishing a new cost basis. They are subsequently carried at the lower of this cost basis or fair value less estimated selling costs.
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| Investments, Debt and Equity Securities [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Securities | Investment Securities Investment securities consisted of the following at December 31, 2022 and 2021:
(1) Accrued interest receivable totaled $38.8 million and $39.5 million at December 31, 2022 and December 31, 2021, respectively, and was included within other assets on the consolidated balance sheet. The Company has elected to measure equity securities with no readily determinable fair value at cost minus impairment, if any, plus or minus changes resulting from observable price changes for the identical or similar investment of the same issuer. This portfolio includes the Company's holdings of Visa Class B shares, which have a carrying value of zero, as there have not been observable price changes in orderly transactions for identical or similar investments of the same issuer. During the year-ended December 31, 2022, the Company did not record any impairment or significant other adjustments to the carrying amount of its portfolio of equity securities with no readily determinable fair value. Other investment securities include Federal Reserve Bank (FRB) stock, Federal Home Loan Bank (FHLB) stock, equity method investments, and investments in portfolio concerns held by the Company's private equity subsidiary. FRB stock and FHLB stock are held for debt and regulatory purposes. Investment in FRB stock is based on the capital structure of the investing bank, and investment in FHLB stock is tied to the level of borrowings from the FHLB. These holdings are carried at cost. Additionally, the Company's equity method investments are carried at cost, adjusted to reflect the Company's portion of income, loss, or dividends of the investee. These adjustments are included in non-interest income on the Company's consolidated statements of income. The private equity investments are carried at estimated fair value. The majority of the Company’s investment portfolio is comprised of available for sale debt securities, which are carried at fair value with changes in fair value reported in other comprehensive income (OCI). A summary of the available for sale debt securities by maturity groupings as of December 31, 2022 is shown in the following table. The weighted average yield for each range of maturities was calculated using the yield on each security within that range weighted by the amortized cost of each security at December 31, 2022. Yields on tax exempt securities have not been adjusted for tax exempt status. The investment portfolio includes agency mortgage-backed securities, which are guaranteed by agencies such as FHLMC, FNMA, and GNMA, in addition to non-agency mortgage-backed securities, which have no guarantee but are collateralized by commercial and residential mortgages. Also included are certain other asset-backed securities, which are primarily collateralized by credit cards, automobiles, student loans, and commercial loans. These securities differ from traditional debt securities primarily in that they may have uncertain maturity dates and are priced based on estimated prepayment rates on the underlying collateral.
* Rate does not reflect inflation adjustment on inflation-protected securities Investments in U.S. government and federal agency obligations include U.S. Treasury inflation-protected securities, which totaled $373.8 million, at fair value, at December 31, 2022. Interest paid on these securities increases with inflation and decreases with deflation, as measured by the non-seasonally adjusted Consumer Price Index (CPI-U). At maturity, the principal paid is the greater of an inflation-adjusted principal or the original principal. Allowance for credit losses on available for sale debt securities Securities for which fair value is less than amortized cost are reviewed for impairment. Special emphasis is placed on securities whose credit rating has fallen below Baa3 (Moody's) or BBB- (Standard & Poor's), whose fair values have fallen more than 20% below purchase price, or who have been identified based on management’s judgment. These securities are placed on a watch list and cash flow analyses are prepared on an individual security basis. Certain securities are analyzed using a projected cash flow model, discounted to present value, and compared to the current amortized cost bases of the securities. The model uses input factors such as cash flow projections, contractual payments required, expected delinquency rates, credit support from other tranches, prepayment speeds, collateral loss severity rates (including loan to values), and various other information related to the underlying collateral. Securities not analyzed using the cash flow model are analyzed by reviewing risk ratings, credit support agreements, and industry knowledge to project future cash flows and any possible credit impairment. At December 31, 2022, the fair value of securities on this watch list was $1.3 billion compared to $13.4 million at December 31, 2021. The majority of the securities included on the Company's watch list were experiencing unrealized loss positions due to the significant increase in interest rates and were analyzed outside of the cash flow model. At December 31, 2022, the securities on the Company's watch list that were not deemed to be solely related to increasing interest rates were securities backed by government-guaranteed student loans and are expected to perform as contractually required. As of December 31, 2022, the Company did not identify any securities for which a credit loss exists, and for the years ended December 31, 2022 and 2021, the Company did not recognize a credit loss expense on any available for sale debt securities. The table below summarizes debt securities available for sale in an unrealized loss position, aggregated by length of loss period, for which an allowance for credit losses has not been recorded at December 31, 2022 and 2021. Unrealized losses on these available for sale securities have not been recognized into income because after review, the securities were deemed not to be impaired. The unrealized losses on these securities are primarily attributable to changes in interest rates and current market conditions. At December 31, 2022, the Company does not intend to sell the securities, nor is it anticipated that it would be required to sell any of its impaired securities at a loss.
The entire available for sale debt securities portfolio included $12.0 billion of securities that were in a loss position at December 31, 2022, compared to $9.0 billion at December 31, 2021. The total amount of unrealized loss on these securities was $1.5 billion at December 31, 2022, an increase of $1.4 billion compared to the unrealized loss at December 31, 2021. Securities with significant unrealized losses are discussed in the "Allowance for credit losses on available for sale debt securities" section above. For debt securities classified as available for sale, the following table shows the amortized cost, fair value, and allowance for credit losses of securities available for sale at December 31, 2022 and 2021 and the corresponding amounts of gross unrealized gains and losses (pre-tax) in AOCI, by security type.
The following table presents proceeds from sales of securities and the components of investment securities gains and losses which have been recognized in earnings.
At December 31, 2022, securities totaling $4.7 billion in fair value were pledged to secure public fund deposits, securities sold under agreements to repurchase, trust funds, and borrowings at the FRB and FHLB, compared to $6.4 billion at December 31, 2021. Securities pledged under agreements pursuant to which the collateral may be sold or re-pledged by the secured parties approximated $211.0 million, while the remaining securities were pledged under agreements pursuant to which the secured parties may not sell or re-pledge the collateral. Except for obligations of various government-sponsored enterprises such as FNMA, FHLB and FHLMC, no investment in a single issuer exceeds 10% of stockholders’ equity.
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Premises and Equipment |
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| Premises and Equipment | Premises and Equipment Premises and equipment consist of the following at December 31, 2022 and 2021:
Depreciation expense of $32.3 million in 2022, $31.9 million in 2021, and $32.2 million in 2020, was included in occupancy expense and equipment expense in the consolidated statements of income. Repairs and maintenance expense of $17.7 million, $16.0 million, and $16.4 million for 2022, 2021 and 2020, respectively, was included in occupancy expense and equipment expense. Interest expense capitalized on constructions projects totaled $1.4 million, $29 thousand, and $14 thousand in 2022, 2021 and 2020, respectively. Right of use leased assets are comprised mainly of operating leases for branches, office space, ATM locations, and certain equipment, as described in Note 6.
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Goodwill And Other Intangible Assets |
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| Goodwill and Intangible Assets Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill And Other Intangible Assets | Goodwill and Other Intangible Assets The following table presents information about the Company's intangible assets which have estimable useful lives.
The carrying amount of goodwill and its allocation among segments at December 31, 2022 and 2021 is shown in the table below. As a result of ongoing assessments, no impairment of goodwill was recorded in 2022, 2021 or 2020. Further, the annual assessment of qualitative factors on January 1, 2023 revealed no likelihood of impairment as of that date.
Changes in the net carrying amount of goodwill and other net intangible assets for the years ended December 31, 2022 and 2021 are shown in the following table. During the year ended December 31, 2020, the Company purchased an easement for $3.6 million in connection with the Developer Services Agreement that was signed during the third quarter of 2020 to develop a commercial office complex in Clayton, Missouri. The easement, which grants the Company access to all portions of the parking facility and terrace garden, is perpetual and will be assessed for impairment at least annually, or whenever events or circumstances indicate an impairment may have occurred. No impairment was identified at December 31, 2022.
Mortgage servicing rights (MSRs) are initially recorded at fair value and subsequently amortized over the period of estimated servicing income. They are periodically reviewed for impairment at a tranche level, and if impairment is indicated, recorded at fair value. Temporary impairment, including impairment recovery, is effected through a change in a valuation allowance. During 2022, impairment recovery of $304 thousand was recognized. The fair value of the MSRs is based on the present value of expected future cash flows, as further discussed in Note 17 on Fair Value Measurements. Aggregate amortization expense on intangible assets for the years ended December 31, 2022, 2021 and 2020 was $2.0 million, $3.1 million and $2.4 million, respectively. The following table shows the estimated future amortization expense based on existing asset balances and the interest rate environment as of December 31, 2022. The Company’s actual amortization expense in any given period may be different from the estimated amounts depending upon the acquisition of intangible assets, changes in mortgage interest rates, prepayment rates and other market conditions.
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Leases |
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| Leases [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Leases | Leases The Company's leasing activities include leasing certain real estate and equipment, providing lease financing to commercial customers, and leasing office space to third parties. The Company uses the FHLB fixed-advance rate at lease commencement or at any subsequent remeasurement event date based on the remaining lease term to calculate the liability for each lease. Lessee The Company primarily has operating leases for branches, office space, ATM locations, and certain equipment. As of December 31, 2022, the right-of-use asset for , and , recognized on the Company's consolidated balance sheets totaled $24.9 million and $25.2 million, respectively, compared to right-of-use assets of $25.2 million and lease liability of $27.2 million at December 31, 2021. Total lease cost for the year ended December 31, 2022 was $7.9 million, compared to $7.7 million for the year ended December 31, 2021. For leases with a term of 12 months or less, an election was made not to recognize lease assets and lease liabilities for all asset classes, and to recognize lease expense for these leases on a straight-line basis over the lease term. The Company's leases have remaining terms of 1 month to 29 years, most of which contain renewal options. However, the renewal options are generally not included in the leased asset or liability because the option exercises are uncertain. The maturities of operating leases are included in the table below.
(1) Excludes $2.1 million of legally binding minimum lease payments for operating leases signed but not yet commenced. The following table presents the average lease term and discount rate of operating leases.
Supplemental cash flow information related to operating leases is included in the table below.
Lessor The Company has net investments in direct financing and sales-type leases to commercial, industrial, and tax-exempt entities. These leases are included within business loans on the Company's consolidated balance sheets. The Company primarily leases various types of equipment, trucks and trailers, and office furniture and fixtures. Lease agreements may include options for the lessee to renew or purchase the leased equipment at the end of the lease term. The Company has elected to adopt the lease component expedient in which the lease and nonlease components are combined into the total lease receivable. The Company also leases office space to third parties, and these leases are classified as operating leases. The leases may include options to renew or to expand the leased space, and currently the leases have remaining terms of 3 months to 16 years. The following table provides the components of lease income.
(1) Includes rent from Tower Properties, a related party, of $76 thousand for the years ended both December 31, 2022 and 2021. The following table presents the components of the net investments in direct financing and sales-type leases.
The maturities of lease receivables are included in the table below.
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Deposits |
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| Deposits [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposits | Deposits At December 31, 2022, the scheduled maturities of certificates of deposit were as follows:
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Borrowings |
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| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Borrowings | Borrowings At December 31, 2022, the Company's borrowings primarily consisted of federal funds purchased and securities sold under agreements to repurchase (repurchase agreements). The following table sets forth selected information for federal funds purchased and repurchase agreements.
Federal funds purchased and repurchase agreements comprised the majority of the Company's short-term borrowings (borrowings with an original maturity of less than one year at December 31, 2022), and $2.7 billion of these borrowings were repurchase agreements, which generally have one day maturities and are mainly comprised of non-insured customer funds secured by a portion of the Company's investment portfolio. Additional information about the securities pledged for repurchase agreements and repurchase agreement maturity is provided in Note 20 on Resale and Repurchase Agreements. The Bank is a member of the Des Moines FHLB and has access to term financing from the FHLB. These borrowings are secured under a blanket collateral agreement including primarily residential mortgages as well as all unencumbered assets and stock of the borrowing bank. At December 31, 2022, the Bank had no outstanding advances from the FHLB. The FHLB also issues letters of credit to secure the Bank's obligations to certain depositors of public funds, which totaled $678.2 million at December 31, 2022.
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Income Taxes |
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| Income Tax Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Income Taxes | Income Taxes The components of income tax expense from operations for the years ended December 31, 2022, 2021 and 2020 were as follows:
The components of income tax (benefit) expense recorded directly to stockholders’ equity for the years ended 2022, 2021 and 2020 were as follows:
Significant components of the Company’s deferred tax assets and liabilities at December 31, 2022 and 2021 were as follows:
Management believes it is more likely than not that the results of future operations will generate sufficient taxable income to realize the total deferred tax assets, therefore, no valuation allowance is needed for the deferred tax assets at year end. A reconciliation between the expected federal income tax expense using the federal statutory tax rate of 21%, and the Company's actual income tax expense for 2022, 2021, and 2020 is provided below. The effective tax rate is calculated by dividing income taxes by income before income taxes less the non-controlling interest expense.
The gross amount of unrecognized tax benefits was $1.2 million and $1.3 million at December 31, 2022 and 2021, respectively, and the total amount of unrecognized tax benefits that would impact the effective tax rate, if recognized, was $1.0 million at both December 31, 2022 and 2021. The activity in the accrued liability for unrecognized tax benefits for the years ended December 31, 2022 and 2021 was as follows:
The Company and its subsidiaries are subject to income tax by federal, state and local government taxing authorities. Tax years 2019 through 2022 remain open to examination for U.S. federal income tax and for major state taxing jurisdictions.
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Employee Benefit Plans |
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| Retirement Benefits [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Employee Benefit Plans | Employee Benefit Plans Employee benefits charged to operating expenses are summarized in the table below. Substantially all of the Company’s employees are covered by a defined contribution (401(k)) plan, under which the Company makes matching contributions.
A portion of the Company’s employees are covered by a noncontributory defined benefit pension plan, however, participation in the pension plan is not available to employees hired after June 30, 2003. All participants are fully vested in their benefit payable upon normal retirement date, which is based on years of participation and compensation. Since January 2011, all benefits accrued under the pension plan have been frozen. However, the accounts continue to accrue interest at a stated annual rate. Certain key executives also participate in a supplemental executive retirement plan (the CERP) that the Company funds only as retirement benefits are disbursed. The CERP carries no segregated assets. The CERP continues to provide credits based on hypothetical contributions in excess of those permitted under the 401(k) plan. In the tables presented below, the pension plan and the CERP are presented on a combined basis. Under the Company’s funding policy for the defined benefit pension plan, contributions are made to a trust as necessary to satisfy the statutory minimum required contribution as defined by the Pension Protection Act, which is intended to provide for current service accruals and for any unfunded accrued actuarial liabilities over a reasonable period. To the extent that these requirements are fully covered by assets in the trust, a contribution might not be made in a particular year. No contributions to the defined benefit plan were made in 2022, 2021 or 2020. The minimum required contribution for 2023 is expected to be zero. The Company does not expect to make any further contributions in 2023 other than the necessary funding contributions to the CERP. Contributions to the CERP were $14 thousand, $14 thousand and $80 thousand during 2022, 2021 and 2020, respectively. The following items are components of the net pension cost for the years ended December 31, 2022, 2021 and 2020.
The following table sets forth the pension plans’ funded status, using valuation dates of December 31, 2022 and 2021.
The pension benefit obligation decreased from the prior year primarily due to an increase in the discount rate from 2.58% to 5.19%, which decreased the pension benefit liability by approximately $23.8 million. This decrease was slightly offset by updates to lump sum payment assumptions. The accumulated benefit obligation, which represents the liability of a plan using only benefits as of the measurement date, was $95.8 million and $121.7 million for the combined plans on December 31, 2022 and 2021, respectively. Amounts not yet reflected in net periodic benefit cost and included in accumulated other comprehensive income (loss) at December 31, 2022 and 2021 are shown below, including amounts recognized in other comprehensive income during the periods. All amounts are shown on a pre-tax basis.
The following assumptions, on a weighted average basis, were used in accounting for the plans.
The following table shows the fair values of the Company’s pension plan assets by asset category at December 31, 2022 and 2021. Information about the valuation techniques and inputs used to measure fair value are provided in Note 17 on Fair Value Measurements.
(a) This category represents bonds (excluding mortgage-backed securities) issued by agencies such as the Government National Mortgage Association, the Federal Home Loan Mortgage Corp and the Federal National Mortgage Association. (b) This category represents mortgage-backed securities issued by the agencies mentioned in (a). (c) This category represents investment grade bonds issued in the U.S., primarily by domestic issuers, representing diverse industries. (d) This category represents investments in individual common stocks and equity funds. These holdings are diversified, largely across the financial services, technology services, electronic technology, healthcare technology, and retail trade industries. The investment policy of the pension plan is designed for growth in principal, within limits designed to safeguard against significant losses within the portfolio. The policy sets guidelines, which may change from time to time, regarding the types and percentages of investments held. Currently, the policy includes guidelines such as holding bonds rated investment grade or better and prohibiting investment in Company stock. The plan does not utilize derivatives. Management believes there are no significant concentrations of risk within the plan asset portfolio at December 31, 2022. Under the current policy, the long-term investment target mix for the plan is 25% equity securities and 75% fixed income securities. The Company regularly reviews its policies on investment mix and may make changes depending on economic conditions and perceived investment risk. The assumed overall expected long-term rate of return on pension plan assets used in calculating 2022 pension plan expense was 4.25%. Determination of the plan’s expected rate of return is based upon historical and anticipated returns of the asset classes invested in by the pension plan and the allocation strategy currently in place among those classes. The rate used in plan calculations may be adjusted by management for current trends in the economic environment. The 10-year annualized return for the Company’s pension plan was 5.0%. During 2022, the plan’s assets lost 12.0% of their value, compared to a gain of 5.9% in 2021. Returns for any plan year may be affected by changes in the stock market and interest rates. The Company expects to incur pension expense of $2.5 million in 2023, compared to $172 thousand in 2022. The following future benefit payments are expected to be paid:
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Stock-Based Compensation and Directors Stock Purchase Plan |
Feb. 08, 2022 |
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| Stock-Based Compensation | Stock-Based Compensation and Directors Stock Purchase Plan* The Company’s stock-based compensation is provided under a stockholder-approved plan that allows for issuance of various types of awards, including stock options, stock appreciation rights, restricted stock and restricted stock units, performance awards and stock-based awards. During the past three years, stock-based compensation has been issued in the form of nonvested restricted stock awards and stock appreciation rights. At December 31, 2022, 1,586,377 shares remained available for issuance under the plan. The stock-based compensation expense that was charged against income was $17.0 million, $15.4 million and $14.9 million for the years ended December 31, 2022, 2021 and 2020, respectively. The total income tax benefit recognized in the income statement for share-based compensation arrangements was $3.0 million, $2.7 million and $3.0 million for the years ended December 31, 2022, 2021 and 2020, respectively. Nonvested Restricted Stock Awards Nonvested stock is awarded to key employees by action of the Company's Compensation and Human Resources Committee and Board of Directors. These awards generally vest after 4 to 7 years of continued employment, but vesting terms may vary according to the specifics of the individual grant agreement. There are restrictions as to transferability, sale, pledging, or assigning, among others, prior to the end of the vesting period. Dividend and voting rights are conferred upon grant of restricted stock awards. A summary of the status of the Company’s nonvested share awards as of December 31, 2022 and changes during the year then ended is presented below.
The total fair value (at vest date) of shares vested during 2022, 2021 and 2020 was $18.8 million, $17.6 million and $18.0 million, respectively. Stock Appreciation Rights Stock appreciation rights (SARs) are granted with exercise prices equal to the market price of the Company’s stock at the date of grant. SARs generally vest ratably over 4 years of continuous service and have 10-year contractual terms. All SARs must be settled in stock under provisions of the plan. A summary of SAR activity during 2022 is presented below.
In determining compensation cost, the Black-Scholes option-pricing model is used to estimate the fair value of SARs on date of grant. The Black-Scholes model is a closed-end model that uses various assumptions as shown in the following table. Expected volatility is based on historical volatility of the Company’s stock. The Company uses historical exercise behavior and other factors to estimate the expected term of the SARs, which represents the period of time that the SARs granted are expected to be outstanding. The risk-free rate for the expected term is based on the U.S. Treasury zero coupon spot rates in effect at the time of grant. The per share average fair value and the model assumptions for SARs granted during the past three years are shown in the table below.
Additional information about SARs exercised is presented below.
As of December 31, 2022, there was $31.6 million of unrecognized compensation cost related to unvested SARs and stock awards. This cost is expected to be recognized over a weighted average period of approximately 3.2 years. Directors Stock Purchase Plan The Company has a directors stock purchase plan whereby outside directors of the Company and its subsidiaries may elect to use their directors’ fees to purchase Company stock at market value each month end. Remaining shares available for issuance under this plan were 129,665 at December 31, 2022. Shares authorized for issuance under the plan were increased to 150,000 shares in February 2022. In 2022, 21,725 shares were purchased at an average price of $67.27, and in 2021, 14,057 shares were purchased at an average price of $65.86. * All share and per share amounts in this note have been restated for the 5% common stock dividend distributed in 2022.
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Accumulated Other Comprehensive Income |
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| Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income The table below shows the activity and accumulated balances for components of other comprehensive income. The largest component is the unrealized holding gains and losses on available for sale debt securities. Another component is the amortization from other comprehensive income of losses associated with pension benefits, which occurs as the losses are included in current net periodic pension cost. The remaining component is gains and losses in fair value on certain interest rate floors that have been designated as cash flow hedges, including interest rate floors terminated in prior years. For those terminated floors, the realized gains are amortized into interest income through the original maturity dates of the floors. Information about unrealized gains and losses on securities can be found in Note 3, information about unrealized gains and losses on pension plans can be found in Note 10, and information about unrealized gains and losses on cash flow hedge derivatives is located in Note 19.
(1) The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "investment securities gains (losses), net" in the consolidated statements of income. (2) The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "interest and fees on loans" in the consolidated statements of income.
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Segments |
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| Segment Reporting [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segments | Segments The Company segregates financial information for use in assessing its performance and allocating resources among three operating segments: Consumer, Commercial, and Wealth. The Consumer segment consists of various consumer loan and deposit products offered through its retail branch network of approximately 150 locations. This segment also includes indirect and other consumer loan financing businesses, along with debit and credit card loan and fee businesses. Residential mortgage origination, sales and servicing functions are included in this Consumer segment, but residential mortgage loans retained by the Company are not considered part of this segment and are instead included in the Other/Elimination column. The Commercial segment provides corporate lending (including the Small Business Banking product line within the branch network), leasing, and international services, along with business and governmental deposit products and commercial cash management services. This segment also includes both merchant and commercial bank card products as well as the Capital Markets Group, which sells fixed income securities and provides securities safekeeping and accounting services to its business and correspondent bank customers. The Wealth segment provides traditional trust and estate planning, advisory and discretionary investment management, and brokerage services. This segment also provides various loan and deposit related services to its private banking customers. The Company’s business line reporting system derives segment information from the internal profitability reporting system used by management to monitor and manage the financial performance of the Company. This information is based on internal management accounting procedures and methods, which have been developed to reflect the underlying economics of the businesses. These methodologies are applied in connection with funds transfer pricing and assignment of overhead costs among segments. Funds transfer pricing was used in the determination of net interest income. A standard cost for funds used is applied to assets, and a credit for funds provided is applied to liabilities based on their maturity, prepayment and/or repricing characteristics. Income and expense that directly relate to segment operations are recorded in the segment when incurred. Expenses that indirectly support the segments are allocated based on the most appropriate method available. The Company uses a funds transfer pricing method to value funds used (e.g., loans, fixed assets, and cash) and funds provided (e.g., deposits, borrowings, and equity) by the business segments and their components. This process assigns a specific value to each new source or use of funds with a maturity, based on current swap rates, thus determining an interest spread at the time of the transaction. Non-maturity assets and liabilities are valued using weighted average pools. The funds transfer pricing process attempts to remove interest rate risk from valuation, allowing management to compare profitability under various rate environments. The following tables present selected financial information by segment and reconciliations of combined segment totals to consolidated totals. There were no material intersegment revenues between the three segments. Management periodically makes changes to methods of assigning costs and income to its business segments to better reflect operating results. If appropriate, these changes are reflected in prior year information presented below. Segment Income Statement Data
The segment activity, as shown above, includes both direct and allocated items. Amounts in the “Other/Elimination” column include activity not related to the segments, such as that relating to administrative functions, the investment securities portfolio, and the effect of certain expense allocations to the segments. The provision for credit losses in this category contains the difference between net loan charge-offs assigned directly to the segments and the recorded provision for credit loss expense. Included in this category’s net interest income are earnings of the investment portfolio, which are not allocated to a segment. Segment Balance Sheet Data
The above segment balances include only those items directly associated with the segment. The “Other/Elimination” column includes unallocated bank balances not associated with a segment (such as investment securities and federal funds sold), balances relating to certain other administrative and corporate functions, and eliminations between segment and non-segment balances. This column also includes the resulting effect of allocating such items as float, deposit reserve and capital for the purpose of computing the cost or credit for funds used/provided. The Company’s reportable segments are strategic lines of business that offer different products and services. They are managed separately because each line services a specific customer need, requiring different performance measurement analyses and marketing strategies. The performance measurement of the segments is based on the management structure of the Company and is not necessarily comparable with similar information for any other financial institution. The information is also not necessarily indicative of the segments’ financial condition and results of operations if they were independent entities.
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Common and Preferred Stock |
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| Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common Stock | Common and Preferred Stock* On December 19, 2022, the Company distributed a 5% stock dividend on its $5 par common stock for the 29th consecutive year. All per common share data in this report has been restated to reflect the stock dividend. The Company applies the two-class method of computing income per share, as nonvested share-based awards that pay nonforfeitable common stock dividends are considered securities which participate in undistributed earnings with common stock. The two-class method requires the calculation of separate income per share amounts for the nonvested share-based awards and for common stock. Income per share attributable to common stock is shown in the following table. Nonvested share-based awards are further discussed in Note 11, Stock-Based Compensation. Basic income per share is based on the weighted average number of common shares outstanding during the year. Diluted income per share gives effect to all dilutive potential common shares that were outstanding during the year. Presented below is a summary of the components used to calculate basic and diluted income per common share, which have been restated for all stock dividends.
Unexercised stock appreciation rights of 163 thousand, 92 thousand and 333 thousand were excluded from the computation of diluted income per share for the years ended December 31, 2022, 2021 and 2020, respectively, because their inclusion would have been anti-dilutive. On September 1, 2020, the Company redeemed all outstanding shares of its 6.00% Series B Non-Cumulative Perpetual Preferred Stock, $1.00 par value per share, (Series B Preferred Stock) and the corresponding depositary shares representing fractional interests in the Series B Preferred Stock (Series B Depositary Shares). The 6,000,000 depositary shares, each representing a 1/1,000th interest in a share of Series B Preferred Stock, were redeemed simultaneously with the redemption of the Series B Preferred Stock at a redemption price of $25 per depositary share. Regular dividends on the outstanding shares of the Series B Preferred Stock were paid separately on September 1, 2020 to all holders of record as of August 14, 2020, in the customary manner, and future dividends ceased to accrue. For the year ended December 31, 2020, preferred stock dividends totaled $12.0 million, and included $5.2 million related to the preferred stock redemption, which is the excess of the redemption costs over the book value of the preferred stock. The Company maintains a treasury stock buyback program authorized by its Board of Directors. The most recent authorization in April 2022 approved future purchases of 5,000,000 shares of the Company's common stock. At December 31, 2022, 3,112,058 shares of common stock remained available for purchase under the current authorization. The table below shows activity in the outstanding shares of the Company’s common stock during the past three years. Shares in the table below are presented on an historical basis and have not been restated for the annual 5% stock dividends.
* Except as noted in the above table, all share and per share amounts in this footnote have been restated for the 5% common stock dividend distributed in 2022.
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Regulatory Capital Requirements |
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| Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Regulatory Capital Requirements | Regulatory Capital Requirements The Company is subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and additional discretionary actions by regulators that could have a direct material effect on the Company’s financial statements. The regulations require the Company to meet specific capital adequacy guidelines that involve quantitative measures of the Company’s assets, liabilities and certain off-balance sheet items as calculated under regulatory accounting practices. The Company’s capital classification is also subject to qualitative judgments by the regulators about components, risk weightings and other factors. The following tables show the capital amounts and ratios for the Company (on a consolidated basis) and the Bank, together with the minimum capital adequacy and well-capitalized capital requirements, at the last two year ends.
The minimum required ratios for well-capitalized banks (under prompt corrective action provisions) are 6.5% for Tier I common capital, 8.0% for Tier I capital, 10.0% for Total capital and 5.0% for the leverage ratio. At December 31, 2022 and 2021, the Company met all capital requirements to which it is subject, and the Bank’s capital position exceeded the regulatory definition of well-capitalized.
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Revenue from Contracts with Customers Revenue from Contracts with Customers |
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| Revenue from Contract with Customer [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Revenue from Contracts with Customers | Revenue from Contracts with Customers The core principle of ASU 2014-09 Revenue from Contracts with Customers is that an entity should recognize revenue to reflect the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. For the year ended December 31, 2022, approximately 63% of the Company’s total revenue was comprised of net interest income, which is not within the scope of this guidance. Of the remaining revenue, those items that were subject to this guidance mainly included fees for bank card, trust, deposit account services and consumer brokerage services. The following table disaggregates non-interest income subject to ASU 2014-09 by major product line.
(1) This revenue is not within the scope of ASU 2014-09, and includes fees relating to capital market activities, loan fees and sales, derivative instruments, standby letters of credit and various other transactions. The following table presents the opening and closing receivable balances for the years ended December 31, 2022 and 2021 for the Company’s significant revenue categories subject to ASU 2014-09.
For these revenue categories, none of the transaction price has been allocated to performance obligations that are unsatisfied as of the end of a reporting period. A description of these revenue categories follows. Bank Card Transaction Fees The following table presents the components of bank card fee income.
The majority of debit and credit card fees are reported in the Consumer segment, while corporate card and merchant fees are reported in the Commercial segment. Debit and Credit Card Fees The Company issues debit and credit cards to its retail and commercial banking customers who use the cards to purchase goods and services from merchants through an electronic payment system. As a card issuer, the Company earns fees, including interchange income, for processing the cardholder’s purchase transaction with a merchant through a settlement network. Purchases are charged directly to a customer’s checking account (in the case of a debit card), or are posted to a customer’s credit card account. The fees earned are established by the settlement network and are dependent on the type of transaction processed but are typically based on a per unit charge. Interchange income, the largest component of debit and credit card fees, is settled daily through the networks. The services provided to the cardholders include issuing and maintaining cards, settling purchases with merchants, and maintaining memberships in various card networks to facilitate processing. These services are considered one performance obligation, as one of the services would not be performed without the others. The performance obligation is satisfied as services are rendered for each purchase transaction, and income is immediately recognized. In order to participate in the settlement network process, the Company must pay various transaction-related costs, established by the networks, including membership fees and a per unit charge for each transaction. These expenses are recorded net of the card fees earned. Consumer credit card products offer cardholders rewards that can be later redeemed for cash, goods or services to encourage card usage. Reward programs must meet network requirements based on the type of card issued. The expense associated with the rewards granted are recorded net of the credit card fees earned. Commercial card products offer cash rewards to corporate cardholders to encourage card usage in facilitating corporate payments. The Company pays cash rewards based on contractually agreed upon amounts, normally as a percent of each sales transaction. The expense associated with the cash rewards program is recorded net of the corporate card fees earned. Merchant Fees The Company offers merchant processing services to its business customers to enable them to accept credit and debit card payments. Merchant processing activities include gathering merchant sales information, authorizing sales transactions and collecting the funds from card issuers using the networks. The merchant is charged a merchant discount fee for the services based on agreed upon pricing between the merchant and the Company. Merchant fees are recorded net of outgoing interchange costs paid to the card issuing banks and net of other network costs as shown in the table above. Merchant services provided are considered one performance obligation, as one of the services would not be performed without the others. The performance obligation is satisfied as services are rendered for each settlement transaction and income is immediately recognized. Income earned from merchant fees settles with the customer according to terms negotiated in individual customer contracts. The majority of customers settle with the Company at least monthly. Trust Fees The following table shows the components of revenue within trust fees, which are reported within the Wealth segment.
The Company provides trust and asset management services to both private client and institutional trust customers including asset custody, investment advice, and reporting and administrative services. Other specialized services such as tax preparation, financial planning, representation and other related services are provided as needed. Trust fees are generally earned monthly and billed based on a rate multiplied by the fair value of the customer's trust assets. The majority of customer trust accounts are billed monthly. However, some accounts are billed quarterly, and a small number of accounts are billed semi-annually or annually, in accordance with agreements in place with the customer. The Company accrues trust fees monthly based on an estimate of fees due and either directly charges the customer’s account the following month or invoices the customer for fees due according to the billing schedule. The Company maintains written product pricing information which is used to bill each trust customer based on the services provided. Providing trust services is considered to be a single performance obligation that is satisfied on a monthly basis, involving the monthly custody of customer assets, statement rendering, periodic investment advice where applicable, and other specialized services as needed. As such, performance obligations are considered to be satisfied at the conclusion of each month while trust fee income is also recognized monthly. Deposit Account Charges and Other Fees The following table shows the components of revenue within deposit account charges and other fees.
Approximately 60% of this revenue is reported in the Commercial segment, while the remainder is reported in the Consumer segment. The Company provides corporate cash management services to its business and non-profit customers to meet their various transaction processing needs. Such services include deposit and check processing, lockbox, remote deposit, reconciliation, online banking and other similar transaction processing services. The Company maintains unit prices for each type of service, and the customer is billed based on transaction volumes processed monthly. The customer is usually billed either monthly or quarterly, however, some customers may be billed semi-annually or annually. The customer may pay for the cash management services either by paying in cash or using the value of deposit balances (formula provided to the customer) held at the Company. The Company’s performance obligation for corporate cash management services is the processing of items over a monthly term, and the obligations are satisfied at the conclusion of each month. Overdraft fees are charged to customers when daily checks and other withdrawals to customers’ accounts exceed balances on hand. Fees are based on a unit price multiplied by the number of items processed whose total amounts exceed the available account balance. The daily overdraft charge is calculated and the fee is posted to the customer’s account each day. The Company’s performance obligation for overdraft transactions is based on the daily transaction processed and the obligation is satisfied as each day’s transaction processing is concluded. In September 2022, as discussed in the Non-Interest Income section of Item 7, the Company implemented enhancements to consumer checking accounts that eliminated return item fees and are expected to lower future overdraft fees for customers. Other deposit fees include numerous smaller fees such as monthly statement fees, foreign ATM processing fees, identification restoration fees, and stop payment fees. Such fees are mostly billed to customers directly on their monthly deposit account statements, or in the case of foreign ATM processing fees, the fee is charged to the customer on the day that transactions are processed. Performance obligations for all of these various services are satisfied at the time that the service is rendered. Consumer Brokerage Services The following shows the components of revenue within consumer brokerage services, and nearly all of this revenue is reported in the Company's Wealth segment.
Consumer brokerage services revenue is comprised of commissions received upon the execution of purchases and sales of mutual fund shares and equity securities, in addition to sales of annuities and certain limited insurance products in an agency capacity. Also, fees are earned on professionally managed advisory programs through arrangements with sub-advisors. Payment from the customer is due upon settlement date for purchases and sales of securities, at the purchase date for annuities and insurance products, and upon inception of the service period for advisory programs. Most of the contracts (except advisory contracts) encompass two types of performance obligations. The first is an obligation to provide account maintenance, record keeping and custodial services throughout the contract term. The second is the obligation to provide trade execution services for the customers' purchases and sales of products mentioned above. The first obligation is satisfied over time as the service period elapses, while the second type of obligation is satisfied upon the execution of each purchase/sale transaction. Contracts for advisory services contain a single performance obligation comprised of providing the management services and related reporting/administrative services over the contract term. The transaction price of the contracts (except advisory contracts) is a commission charged at the time of trade execution. The commission varies across different security types, insurance products and mutual funds. It is generally determined by standardized price lists published by the Company and its mutual fund and insurance vendors. Because the transaction price relates specifically to the trade execution, it has been allocated to that performance obligation and is recorded at the time of execution. The fee for advisory services is charged to the customer in advance of the quarterly service period, based on the account balance at the beginning of the period. Revenue is recognized ratably over the service period. Other Non-Interest Income from Contracts with Customers Other non-interest income from contracts with customers consists mainly of various customer deposit related fees such as ATM fees and gains on sales of tax credits, foreclosed assets, and bank premises and equipment. Performance obligations for these services consist mainly of the execution of transactions for sales of various properties or providing specific deposit related transactions. Fees from these revenue sources are recognized when the performance obligation is completed, at which time cash is received by the Company.
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Fair Value Measurements |
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| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value Measurements | Fair Value Measurements The Company uses fair value measurements to record fair value adjustments to certain financial and nonfinancial assets and liabilities and to determine fair value disclosures. Various financial instruments such as available for sale debt securities, equity securities, trading debt securities, certain investments relating to private equity activities, and derivatives are recorded at fair value on a recurring basis. Additionally, from time to time, the Company may be required to record other assets and liabilities at fair value on a nonrecurring basis, such as mortgage servicing rights and certain other investment securities. These nonrecurring fair value adjustments typically involve lower of cost or fair value accounting, or write-downs of individual assets. Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Depending on the nature of the asset or liability, the Company uses various valuation techniques and assumptions when estimating fair value. For accounting disclosure purposes, a three-level valuation hierarchy of fair value measurements has been established. The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date. The three levels are defined as follows: •Level 1 – inputs to the valuation methodology are quoted prices for identical assets or liabilities in active markets. •Level 2 – inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets and liabilities in markets that are not active, and inputs that are observable for the assets or liabilities, either directly or indirectly (such as interest rates, yield curves, and prepayment speeds). •Level 3 – inputs to the valuation methodology are unobservable and significant to the fair value. These may be internally developed, using the Company’s best information and assumptions that a market participant would consider. When determining the fair value measurements for assets and liabilities required or permitted to be recorded or disclosed at fair value, the Company considers the principal or most advantageous market in which it would transact and considers assumptions that market participants would use when pricing the asset or liability. When possible, the Company looks to active and observable markets to price identical assets or liabilities. When identical assets and liabilities are not traded in active markets, the Company looks to observable market data for similar assets and liabilities. Nevertheless, certain assets and liabilities are not actively traded in observable markets, and the Company must use alternative valuation techniques to derive an estimated fair value measurement. Instruments Measured at Fair Value on a Recurring Basis The table below presents the carrying values of assets and liabilities measured at fair value on a recurring basis at December 31, 2022 and 2021. There were no transfers among levels during these years.
*The fair value of each class of derivative is shown in Note 19. Valuation methods for instruments measured at fair value on a recurring basis Following is a description of the Company’s valuation methodologies used for instruments measured at fair value on a recurring basis: Residential mortgage loans held for sale The Company originates fixed rate, first lien residential mortgage loans that are intended for sale in the secondary market. Fair value is based on quoted secondary market prices for loans with similar characteristics, which are adjusted to include the embedded servicing value in the loans. This adjustment represents an unobservable input to the valuation but is not considered significant given the relative insensitivity of the valuation to changes in this input. Accordingly, these loan measurements are classified as Level 2. Available for sale debt securities For available for sale securities, changes in fair value are recorded in other comprehensive income. This portfolio comprises the majority of the assets which the Company records at fair value. Most of the portfolio, which includes government-sponsored enterprise, mortgage-backed and asset-backed securities, are priced utilizing industry-standard models that consider various assumptions, including time value, yield curves, volatility factors, prepayment speeds, default rates, loss severity, current market and contractual prices for the underlying financial instruments, as well as other relevant economic measures. Substantially all of these assumptions are observable in the marketplace, can be derived from observable data, or are supported by observable levels at which transactions are executed in the marketplace. These measurements are classified as Level 2 in the fair value hierarchy. Where quoted prices are available in an active market, the measurements are classified as Level 1. Most of the Level 1 measurements apply to U.S. Treasury obligations. The fair values of Level 1 and 2 securities in the available for sale portfolio are prices provided by a third-party pricing service. The prices provided by the third-party pricing service are based on observable market inputs, as described in the sections below. On a quarterly basis, the Company compares these prices to other independent sources for the same and similar securities. Variances are analyzed, and, if appropriate, additional research is conducted with the third-party pricing service. Based on this research, the pricing service may affirm or revise its quoted price. No significant adjustments have been made to the prices provided by the pricing service. The pricing service also provides documentation on an ongoing basis that includes reference data, inputs and methodology by asset class, which is reviewed by the Company to ensure that security placement within the fair value hierarchy is appropriate. Valuation methods and inputs, by class of security: •U.S. government and federal agency obligations U.S. treasury bills, bonds and notes, including inflation-protected securities, are valued using live data from active market makers and inter-dealer brokers. Valuations for stripped coupon and principal issues are derived from yield curves generated from various dealer contacts and live data sources. •Government-sponsored enterprise obligations Government-sponsored enterprise obligations are evaluated using cash flow valuation models. Inputs used are live market data, cash settlements, Treasury market yields, and floating rate indices such as LIBOR, CMT, and Prime. •State and municipal obligations, excluding auction rate securities A yield curve is generated and applied to bond sectors, and individual bond valuations are extrapolated. Inputs used to generate the yield curve are bellwether issue levels, established trading spreads between similar issuers or credits, historical trading spreads over widely accepted market benchmarks, new issue scales, and verified bid information. Bid information is verified by corroborating the data against external sources such as broker-dealers, trustees/paying agents, issuers, or non-affiliated bondholders. •Mortgage and asset-backed securities Collateralized mortgage obligations and other asset-backed securities are valued at the tranche level. For each tranche valuation, the process generates predicted cash flows for the tranche, applies a market based (or benchmark) yield/spread for each tranche, and incorporates deal collateral performance and tranche level attributes to determine tranche-specific spreads to adjust the benchmark yield. Tranche cash flows are generated from new deal files and prepayment/default assumptions. Tranche spreads are based on tranche characteristics such as average life, type, volatility, ratings, underlying collateral and performance, and prevailing market conditions. The appropriate tranche spread is applied to the corresponding benchmark, and the resulting value is used to discount the cash flows to generate an evaluated price. Valuation of agency pass-through securities, typically issued under GNMA, FNMA, FHLMC, and SBA programs, are primarily derived from information from the to-be-announced (TBA) market. This market consists of generic mortgage pools which have not been received for settlement. Snapshots of the TBA market, using live data feeds distributed by multiple electronic platforms, are used in conjunction with other indices to compute a price based on discounted cash flow models. •Other debt securities Other debt securities are valued using active markets and inter-dealer brokers as well as bullet spread scales and option adjusted spreads. The spreads and models use yield curves, terms and conditions of the bonds, and any special features (e.g., call or put options and redemption features). •Auction rate securities The available for sale portfolio includes certain auction rate securities. Due to the illiquidity in the auction rate securities market in recent years, the fair value of these securities cannot be based on observable market prices. The fair values of these securities are estimated using a discounted cash flows analysis which is discussed more fully in the Level 3 Inputs section of this note. Because many of the inputs significant to the measurement are not observable, these measurements are classified as Level 3 measurements. Trading debt securities The securities in the Company’s trading portfolio are priced by averaging several broker quotes for similar instruments and are classified as Level 2 measurements. Equity securities with readily determinable fair values Equity securities are priced using the market prices for each security from the major stock exchanges or other electronic quotation systems. These are generally classified as Level 1 measurements. Stocks which trade infrequently are classified as Level 2. Private equity investments These securities are held by the Company’s private equity subsidiary and are included in other investment securities in the consolidated balance sheets. Due to the absence of quoted market prices, valuation of these nonpublic investments requires significant management judgment. These fair value measurements, which are discussed in the Level 3 Inputs section of this note, are classified as Level 3. Derivatives The Company’s derivative instruments include interest rate swaps and floors , foreign exchange forward contracts, and certain credit risk guarantee agreements. When appropriate, the impact of credit standing as well as any potential credit enhancements, such as collateral, has been considered in the fair value measurement. •Valuations for interest rate swaps are derived from a proprietary model whose significant inputs are readily observable market parameters, primarily yield curves used to calculate current exposure. Counterparty credit risk is incorporated into the model and calculated by applying a net credit spread over LIBOR to the swap's total expected exposure over time. The net credit spread is comprised of spreads for both the Company and its counterparty, derived from probability of default and other loss estimate information obtained from a third party credit data provider or from the Company's Credit Department when not otherwise available. The credit risk component is not significant compared to the overall fair value of the swaps. The results of the model are constantly validated through comparison to active trading in the marketplace. Parties to swaps requiring central clearing are required to post collateral (generally in the form of cash or marketable securities) to an authorized clearing agency that holds and monitors the collateral. The Company's clearing counterparty characterizes a component of this collateral, known as variation margin, as a legal settlement of the derivative contract exposure, and as a result, the variation margin is considered in determining the fair value of the derivative. Valuations for interest rate floors are also derived from a proprietary model whose significant inputs are readily observable market parameters, primarily yield curves and volatility surfaces. The model uses market standard methodology of discounting the future expected cash receipts that would occur if variable interest rates fall below the strike rates of the floors. The model also incorporates credit valuation adjustments of both the Company's and the counterparties' non-performance risk. The credit valuation adjustment component is not significant compared to the overall fair value of the floors. The fair value measurements of interest rate swaps and floors are classified as Level 2 due to the observable nature of the significant inputs utilized. •Fair value measurements for foreign exchange contracts are derived from a model whose primary inputs are quotations from global market makers and are classified as Level 2. •The Company’s contracts related to credit risk guarantees are valued under a proprietary model which uses unobservable inputs and assumptions about the creditworthiness of the counterparty (generally a Bank customer). Customer credit spreads, which are based on probability of default and other loss estimates, are calculated internally by the Company's Credit Department, as mentioned above, and are based on the Company's internal risk rating for each customer. Because these inputs are significant to the measurements, they are classified as Level 3. •Derivatives relating to residential mortgage loan sale activity include commitments to originate mortgage loans held for sale, forward loan sale contracts, and forward commitments to sell TBA securities. The fair values of loan commitments and sale contracts are estimated using quoted market prices for loans similar to the underlying loans in these instruments. The valuations of loan commitments are further adjusted to include embedded servicing value and the probability of funding. These assumptions are considered Level 3 inputs and are significant to the loan commitment valuation; accordingly, the measurement of loan commitments is classified as Level 3. The fair value measurement of TBA contracts is based on security prices published on trading platforms and is classified as Level 2. Assets held in trust for deferred compensation plan Assets held in an outside trust for the Company’s deferred compensation plan consist of investments in mutual funds. The fair value measurements are based on quoted prices in active markets and classified as Level 1. The Company has recorded an asset representing the total investment amount. The Company has also recorded a corresponding liability, representing the Company’s liability to the plan participants. The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows:
* Included in "net unrealized gains (losses) on securities" in the consolidated statements of comprehensive income. Gains and losses on the Level 3 assets and liabilities in the table above are reported in the following income categories:
Level 3 Inputs As shown above, the Company's significant Level 3 measurements which employ unobservable inputs that are readily quantifiable pertain to auction rate securities (ARS) held by the Bank, investments in portfolio concerns held by the Company's private equity subsidiary, and held for sale residential mortgage loan commitments. ARS are included in state and municipal securities and totaled $1.8 million at December 31, 2022, while private equity investments, included in other securities, totaled $178.1 million. At December 31, 2022, there were no mortgage loan commitments outstanding. For the the Company's significant Level 3 measurements at December 31, 2022, information about the significant unobservable inputs is presented in the table and discussions below.
* Unobservable inputs were weighted by the relative fair value of the instruments. The fair values of ARS are estimated using a discounted cash flows analysis in which estimated cash flows are based on mandatory interest rates paid under failing auctions and projected over an estimated market recovery period. Under normal conditions, ARS traded in weekly auctions and were considered liquid investments. The Company's estimate of when these auctions might resume is highly judgmental and subject to variation depending on current and projected market conditions. Few auctions of these securities have been successful in recent years, and most secondary transactions have been privately arranged. Estimated cash flows during the period over which the Company expects to hold the securities are discounted at an estimated market rate. These securities are comprised of bonds issued by various states and municipalities for healthcare and student lending purposes, and market rates are derived for each type. Market rates are calculated at each valuation date using a LIBOR or Treasury based rate plus spreads representing adjustments for liquidity premium and nonperformance risk. The spreads are developed internally by employees in the Company's bond department. An increase in the holding period alone would result in a higher fair value measurement, while an increase in the estimated market rate (the discount rate) alone would result in a lower fair value measurement. The valuation of the ARS portfolio is reviewed on a quarterly basis by the Company's chief investment officers. The fair values of the Company's private equity investments are based on a determination of fair value of the investee company less preference payments assuming the sale of the investee company. Investee companies are normally non-public entities. The fair value of the investee company is determined by reference to the investee's total earnings before interest, depreciation/amortization, and income taxes (EBITDA) multiplied by an EBITDA factor. EBITDA is normally determined based on a trailing prior period adjusted for specific factors including current economic outlook, investee management, and specific unique circumstances such as sales order information, major customer status, regulatory changes, etc. The EBITDA multiple is based on management's review of published trading multiples for recent private equity transactions and other judgments and is derived for each individual investee. The fair value of the Company's investment is then calculated based on its ownership percentage in the investee company. On a quarterly basis, these fair value analyses are reviewed by a valuation committee consisting of investment managers and senior Company management. The significant unobservable inputs used in the fair value measurement of the Company’s derivative commitments to originate residential mortgage loans are the percentage of commitments that are actually funded and the mortgage servicing value that is inherent in the underlying loan value. A significant increase in the rate of loans that fund would result in a larger derivative asset or liability. A significant increase in the inherent mortgage servicing value would result in an increase in the derivative asset or a reduction in the derivative liability. The probability of funding and the inherent mortgage servicing values are directly impacted by changes in market rates and will generally move in the same direction as interest rates. Instruments Measured at Fair Value on a Nonrecurring Basis For assets measured at fair value on a nonrecurring basis during 2022 and 2021, and still held as of December 31, 2022 and 2021, the following table provides the adjustments to fair value recognized during the respective periods, the level of valuation assumptions used to determine each adjustment, and the carrying value of the related individual assets or portfolios at December 31, 2022 and 2021.
The Company's significant Level 3 measurements that are measured on a nonrecurring basis pertain to the Company's mortgage servicing rights retained on certain fixed rate personal real estate loan originations. Mortgage servicing rights are included in other intangible assets on the consolidated balance sheets, and information about these inputs is presented in the table below.
*Ranges and weighted averages based on interest rate tranches. The significant unobservable inputs used in the fair value measurement of the Company’s mortgage servicing rights are updated periodically for changes in market conditions. Actual rates may differ from our estimates. Increases in prepayment speed and discount rates negatively impact the fair value of our mortgage servicing rights. Valuation methods for instruments measured at fair value on a nonrecurring basis Following is a description of the Company’s valuation methodologies used for other financial and nonfinancial instruments measured at fair value on a nonrecurring basis. Collateral dependent loans While the overall loan portfolio is not carried at fair value, the Company periodically records nonrecurring adjustments to the carrying value of loans based on fair value measurements for partial charge-offs of the uncollectible portions of those loans. Nonrecurring adjustments also include certain impairment amounts for collateral dependent loans when establishing the allowance for credit losses on loans. Such amounts are generally based on the fair value of the underlying collateral supporting the loan. In determining the value of real estate collateral, the Company relies on external and internal appraisals of property values depending on the size and complexity of the real estate collateral. The Company maintains a staff of qualified appraisers who also review third party appraisal reports for reasonableness. In the case of non-real estate collateral, reliance is placed on a variety of sources, including external estimates of value and judgments based on the experience and expertise of internal specialists. Values of all loan collateral are regularly reviewed by credit administration. Unobservable inputs to these measurements, which include estimates and judgments often used in conjunction with appraisals, are not readily quantifiable. These measurements are classified as Level 3. Nonrecurring adjustments to the carrying value of loans based on fair value measurements at December 31, 2022 and 2021 are shown in the table above. Mortgage servicing rights The Company initially measures its mortgage servicing rights at fair value and amortizes them over the period of estimated net servicing income. They are periodically assessed for impairment based on fair value at the reporting date. Mortgage servicing rights do not trade in an active market with readily observable prices. Accordingly, the fair value is estimated based on a valuation model which calculates the present value of estimated future net servicing income. The model incorporates assumptions that market participants use in estimating future net servicing income, including estimates of prepayment speeds, market discount rates, cost to service, float earnings rates, and other ancillary income, including late fees. The fair value measurements are classified as Level 3. Long-lived assets When investments in branch facilities and various office buildings are determined to be impaired, their carrying values are written down to estimated fair value, or estimated fair value less cost to sell if the property is held for sale. Fair value is estimated in a process which considers current local commercial real estate market conditions and the judgment of the sales agent and often involves obtaining third party appraisals from certified real estate appraisers. The carrying amounts of these real estate holdings are regularly monitored by real estate professionals employed by the Company. These fair value measurements are classified as Level 3. Unobservable inputs to these measurements, which include estimates and judgments often used in conjunction with appraisals, are not readily quantifiable.
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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 The carrying amounts and estimated fair values of financial instruments held by the Company are set forth below. Fair value estimates are made at a specific point in time based on relevant market information. They do not reflect any premium or discount that could result from offering for sale at one time the Company's entire holdings of a particular financial instrument. Because no market exists for many of the Company's financial instruments, fair value estimates are based on judgments regarding future expected loss experience, risk characteristics and economic conditions. These estimates are subjective, involve uncertainties, and cannot be determined with precision. Changes in assumptions could significantly affect the estimates. The estimated fair values of the Company’s financial instruments and the classification of their fair value measurement within the valuation hierarchy are as follows at December 31, 2022 and 2021:
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Derivative Instruments |
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| Derivative Instrument Detail [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative Instruments | Derivative Instruments The notional amounts of the Company’s derivative instruments are shown in the table below. These contractual amounts, along with other terms of the derivative, are used to determine amounts to be exchanged between counterparties and are not a measure of loss exposure. With the exception of the interest rate floors (discussed below), the Company's derivative instruments are accounted for as free-standing derivatives, and changes in their fair value are recorded in current earnings.
The largest group of notional amounts relate to interest rate swap contracts sold to commercial customers who wish to modify their interest rate sensitivity. Those customers are engaged in a variety of businesses, including real estate, manufacturing, retail product distribution, education, and retirement communities. These interest rate swap contracts with customers are offset by matching interest rate swap contracts purchased by the Company from other financial institutions (dealers). Contracts with dealers that require central clearing are novated to a clearing agency who becomes the Company's counterparty. Because of the matching terms of the offsetting contracts, in addition to collateral provisions which mitigate the impact of non-performance risk, changes in fair value subsequent to initial recognition have a minimal effect on earnings. Many of the Company’s interest rate swap contracts with large financial institutions contain contingent features relating to debt ratings or capitalization levels. Under these provisions, if the Company’s debt rating falls below investment grade or if the Company ceases to be “well-capitalized” under risk-based capital guidelines, certain counterparties can require immediate and ongoing collateralization on interest rate swaps in net liability positions or instant settlement of the contracts. The Company maintains debt ratings and capital well above those minimum requirements. As of December 31, 2022, the Company holds two interest rate floors with a combined notional value of $1.0 billion to hedge the risk of declining interest rates on certain floating rate commercial loans. The first floor has a purchased strike rate of 2.50%, is forward-starting beginning on January 1, 2024 and matures on January 1, 2030. In the event that the index rate falls below zero, the maximum rate spread the Company can earn on the notional amount is limited to 2.50%. The second floor has a purchased strike rate of 3.00%, is forward-starting beginning on April 1, 2024 and matures on April 1, 2030. In the event that the index rate on the second floor falls below zero, the maximum rate the Company can earn on the notional amount of the second floor is limited to 3.00%. The premium paid for these floors totaled $35.8 million. As of December 31, 2022, the maximum length of time over which the Company is hedging its exposure to lower rates is approximately 6 years. These interest rate floors qualified and were designated as cash flow hedges and were assessed for effectiveness using regression analysis. The change in the fair value of these interest rate floors is recorded in AOCI, net of the amortization of the premiums paid, which are recorded against interest and fees on loans in the consolidated statements of income. As of December 31, 2022, net deferred gains on the interest rate floors totaled $2.4 million (pre-tax) and were recorded in AOCI in the consolidated balance sheet. As of December 31, 2022, it is expected that $4.9 million (pre-tax) interest rate floor premium amortization will be reclassified from AOCI into earnings over the next 12 months. During the year ended December 31, 2020, the Company monetized three interest rate floors that were previously classified as cash flow hedges with a combined notional balance of $1.5 billion and an asset fair value of $163.2 million. As of December 31, 2022, the total unrealized gains on the monetized cash flow hedges remaining in AOCI was $74.9 million (pre-tax). The unrealized gains will be reclassified into interest income as the underlying forecasted transactions impact earnings through the original maturity dates of the hedged forecasted transactions, or approximately within 4.0 years. The estimated amount of net gains related to the cash flow hedges remaining in AOCI at December 31, 2022 that is expected to be reclassified into income within the next 12 months is $23.6 million. The Company also contracts with other financial institutions, as a guarantor or beneficiary, to share credit risk associated with certain interest rate swaps through risk participation agreements. The Company’s risks and responsibilities as guarantor are further discussed in Note 21 on Commitments, Contingencies and Guarantees. In addition, the Company enters into foreign exchange contracts, which are mainly comprised of contracts with customers to purchase or deliver specific foreign currencies at specific future dates. Under its program to sell residential mortgage loans in the secondary market, the Company designates certain newly-originated residential mortgage loans as held for sale. Derivative instruments arising from this activity include mortgage loan commitments and forward loan sale contracts. Changes in the fair values of the loan commitments and funded loans prior to sale that are due to changes in interest rates are economically hedged with forward contracts to sell residential mortgage-backed securities in the to-be-announced (TBA) market. These forward TBA contracts are also considered to be derivatives and are settled in cash at the security settlement date. In late 2022, the Company temporarily paused sales of these loans and halted entering into the forward contracts, as lower demand for mortgage loans coupled with volatility in the TBA market made it difficult to effectively hedge the Company's mortgage loan production. The fair values of the Company’s derivative instruments, whose notional amounts are listed above, are shown in the table below. Information about the valuation methods used to determine fair value is provided in Note 17 on Fair Value Measurements. The Company presents derivative assets and derivative liabilities on a gross basis, as other assets and other liabilities, on its consolidated balance sheets.
*Certain collateral was posted to and from the Company's clearing party and has been applied to the fair values of the cleared swaps. As a result, these values are net of variation margin of $27.8 million and $587 thousand for interest rate swaps in an asset position, and $— million and $29.7 million for interest rate swaps in a liability position, at December 31, 2022 and 2021, respectively. The Company made an election to exclude the initial premiums paid on the interest rate floors from the hedge effectiveness measurement. Those initial premiums are amortized over the periods between the premium payment month and the contract maturity month. The pre-tax effects of the gains and losses (both the included and excluded amounts for hedge effectiveness assessment) recognized in the other comprehensive income from the cash flow hedging instruments and the amounts reclassified from accumulated other comprehensive income into income (both included and excluded amounts for hedge effectiveness measurement) are shown in the table below.
The gain and loss recognized through various derivative instruments on the consolidated statements of income are shown in the table below.
The following table shows the extent to which assets and liabilities relating to derivative instruments have been offset in the consolidated balance sheets. It also provides information about these instruments which are subject to an enforceable master netting arrangement, irrespective of whether they are offset, and the extent to which the instruments could potentially be offset. Also shown is collateral received or pledged in the form of other financial instruments, which is generally cash or marketable securities. The collateral amounts in this table are limited to the outstanding balances of the related asset or liability (after netting is applied); thus amounts of excess collateral are not shown. Most of the derivatives in the following table were transacted under master netting arrangements that contain a conditional right of offset, such as close-out netting, upon default. While the Company is party to master netting arrangements with most of its swap counterparties, the Company does not offset derivative assets and liabilities under these arrangements on its consolidated balance sheets. Collateral exchanged between the Company and dealer bank counterparties is generally subject to thresholds and transfer minimums, and usually consist of marketable securities. By contract, this collateral may be sold or re-pledged by the secured party until recalled at a subsequent valuation date by the pledging party. For those swap transactions requiring central clearing, the Company posts cash or securities to its clearing agent. Collateral positions are valued daily, and adjustments to amounts received and pledged by the Company are made as appropriate to maintain proper collateralization for these transactions. Swap derivative transactions with customers are generally secured by rights to non-financial collateral, such as real and personal property, which is not shown in the table below.
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Resale and Repurchase Agreements |
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| Offsetting [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Resale and Repurchase Agreements [Text Block] | Resale and Repurchase Agreements The Company regularly enters into resale and repurchase agreement transactions with other financial institutions and with its own customers. Resale and repurchase agreements are agreements to purchase/sell securities subject to an obligation to resell/repurchase the same or similar securities. They are accounted for as secured lending and collateralized borrowing (e.g. financing transactions), not as true sales and purchases of the underlying collateral securities. Some of the resale and repurchase agreements were transacted under master netting arrangements that contain a conditional right of offset, such as close-out netting, upon default. The security collateral accepted or pledged in resale and repurchase agreements with other financial institutions may be sold or re-pledged by the secured party, but is usually delivered to and held by third party trustees. The Company generally retains custody of securities pledged for repurchase agreements with its customers. Additional information about the Company's repurchase agreements is included in Note 8. The Company is party to agreements commonly known as collateral swaps. These agreements involve the exchange of collateral under simultaneous repurchase and resale agreements with the same financial institution counterparty. These repurchase and resale agreements have the same principal amounts, inception dates, and maturity dates and have been offset against each other in the consolidated balance sheets, as permitted under the netting provisions of ASC 210-20-45. The collateral swaps totaled $200.0 million at December 31, 2022 and $400.0 million at December 31, 2021. The following table shows the extent to which resale agreement assets and repurchase agreement liabilities with the same counterparty have been offset on the consolidated balance sheets, in addition to the extent to which they could potentially be offset. Also shown is collateral received or pledged, which consists of marketable securities. The collateral amounts in the table are limited to the outstanding balances of the related asset or liability (after offsetting is applied); thus amounts of excess collateral are not shown.
The table below shows the remaining contractual maturities of repurchase agreements outstanding at December 31, 2022 and 2021, in addition to the various types of marketable securities that have been pledged by the Company as collateral for these borrowings.
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Commitments, Contingencies And Guarantees |
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| Commitments and Contingencies Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments, Contingencies And Guarantees | Commitments, Contingencies and Guarantees The Company engages in various transactions and commitments with off-balance sheet risk in the normal course of business to meet customer financing needs. The Company uses the same credit policies in making the commitments and conditional obligations described below as it does for on-balance sheet instruments. The following table summarizes these commitments at December 31:
Commitments to extend credit are legally binding agreements to lend to a borrower providing there are no violations of any conditions established in the contract. As many of the commitments are expected to expire without being drawn upon, the total commitment does not necessarily represent future cash requirements. Refer to Note 2 on Loans and Allowance for Credit Losses for further discussion. The Company, as a provider of financial services, routinely issues financial guarantees in the form of financial and performance standby letters of credit. Standby letters of credit are contingent commitments issued by the Company generally to guarantee the payment or performance obligation of a customer to a third party. While these represent a potential cash outflow by the Company, a significant amount of the commitments may expire without being drawn upon. To mitigate the potential loss exposure, the Company involves other financial institutions to participate in certain standby letters of credit. Even with such participation, the Company remains liable for the full amount of the standby letters of credit to the third party. The Company has recourse against the customer for any amount it is required to pay to a third party under a standby letter of credit. The standby letters of credit are subject to the same credit policies, underwriting standards and approval process as loans made by the Company. Most of the standby letters of credit are secured, and in the event of nonperformance by the customer, the Company has rights to the underlying collateral, which could include commercial real estate, physical plant and property, inventory, receivables, cash and marketable securities. At December 31, 2022, the Company had recorded a liability of $3.9 million, representing the carrying value of the guarantee obligations associated with the standby letters of credit. This amount will be accreted into income over the remaining life of the respective commitments. Excluding amounts conveyed to others, commitments outstanding under these letters of credit were $614.5 million, which represents the maximum potential future payments guaranteed by the Company at December 31, 2022. Commercial letters of credit act as a means of ensuring payment to a seller upon shipment of goods to a buyer. The majority of commercial letters of credit issued are used to settle payments in international trade. Typically, letters of credit require presentation of documents which describe the commercial transaction, evidence shipment, and transfer title. The Company regularly purchases various state tax credits arising from third-party property redevelopment. These tax credits are either resold to third parties for a profit or retained for use by the Company. During 2022, the Company purchased and sold state tax credits amounting to $112.7 million and $126.9 million, respectively. At December 31, 2022, the Company had outstanding purchase commitments totaling $121.8 million that it expects to fund in 2023. The remaining purchase commitments amount to $398.8 million and are expected to be funded from 2024 through 2029. The Company periodically enters into credit risk participation agreements (RPAs) as a guarantor to other financial institutions, in order to mitigate those institutions’ credit risk associated with interest rate swaps with third parties. The RPA stipulates that, in the event of default by the third party on the interest rate swap, the Company will reimburse a portion of the loss borne by the financial institution. These interest rate swaps are normally collateralized (generally with real property, inventories and equipment) by the third party, which limits the credit risk associated with the Company’s RPAs. The third parties usually have other borrowing relationships with the Company. The Company monitors overall borrower collateral, and at December 31, 2022, believes sufficient collateral is available to cover potential swap losses. The RPAs are carried at fair value throughout their term, with all changes in fair value, including those due to a change in the third party’s creditworthiness, recorded in current earnings. The terms of the RPAs, which correspond to the terms of the underlying swaps, range from 1 to 14 years. At December 31, 2022, the fair value of the Company's guarantee liability RPAs was $119 thousand, and the notional amount of the underlying swaps was $421.0 million. The maximum potential future payment guaranteed by the Company cannot be readily estimated and is dependent upon the fair value of the interest rate swaps at the time of default. During the third quarter of 2020, the Company signed a $106.7 million agreement with U.S. Capital Development to develop a 280,000 square foot commercial office building in a two building complex in Clayton, Missouri. As of December 31, 2022, the Company has made payments totaling $94.0 million. While the Company intends to occupy a portion of the office building for executive offices, a 15 year lease has been signed by an anchor tenant to lease approximately 50% of the office building. The Company has various legal proceedings pending at December 31, 2022, arising in the normal course of business. While some matters pending against the Company specify damages claimed by plaintiffs, others do not seek a specified amount of damages or are at very early stages of the legal process. The Company records a loss accrual for all legal and regulatory matters for which it deems a loss is probable and can be reasonably estimated. Some matters, which are in the early stages, have not yet progressed to the point where a loss amount can be determined to be probable and estimable.
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| Related Parties | Related Parties The Company’s Chief Executive Officer, its Executive Chairman, and its former Vice Chairman are directors of Tower Properties Company (Tower) and, together with members of their immediate families, beneficially own approximately 66% of the outstanding stock of Tower. At December 31, 2022, Tower owned 245,410 shares of Company stock. Tower is primarily engaged in the business of owning, developing, leasing and managing real property. Payments from the Company and its affiliates to Tower are summarized below. These payments, with the exception of dividend payments, relate to property management services, including construction oversight, on three Company-owned office buildings and related parking garages in downtown Kansas City.
Tower has a $13.5 million line of credit with the Bank which is subject to normal credit terms and has a variable interest rate. The line of credit is collateralized by Company stock and based on collateral value had a maximum borrowing amount of approximately $13.4 million at December 31, 2022. There were no borrowings under this line during 2022, and no balance outstanding at December 31, 2022. There were no borrowings during 2021 and 2020, and there was no balance outstanding at December 31, 2021 or 2020. Letters of credit may be collateralized under this line of credit; however, there were no letters of credit outstanding during 2022, 2021 or 2020, and thus, no fees were received during these periods. From time to time, the Bank extends additional credit to Tower for construction and development projects. No construction loans were outstanding during 2022, 2021 and 2020. Tower leases office space in the Kansas City bank headquarters building owned by the Company. Rent paid to the Company totaled $82 thousand in 2022, $83 thousand in 2021, and $87 thousand in 2020, at $17.44, $17.25 and $17.19 per square foot, respectively. Directors of the Company and their beneficial interests have deposit accounts with the Bank and may be provided with cash management and other banking services, including loans, in the ordinary course of business. Such loans were made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with other unrelated persons and did not involve more than the normal risk of collectability. See Note 2 Loans and Allowance for Credit Losses for additional information for loans to directors and executive officers of the Company and the Bank, and to their affiliates.
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Parent Company Condensed Financial Statements |
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| Condensed Financial Information Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Parent Company Condensed Financial Statements | Parent Company Condensed Financial Statements Following are the condensed financial statements of Commerce Bancshares, Inc. (Parent only) for the periods indicated:
Dividends paid by the Parent to its shareholders were substantially provided from Bank dividends. The Bank may distribute common dividends without prior regulatory approval, provided that the dividends do not exceed the sum of net income for the current year and retained net income for the preceding two years, subject to maintenance of minimum capital requirements. The Parent charges fees to its subsidiaries for management services provided, which are allocated to the subsidiaries based primarily on total average assets. The Parent makes cash advances to its private equity subsidiary for general short-term cash flow purposes. Advances may be made to the Parent by its subsidiary bank for temporary investment of idle funds. Interest on such advances is based on market rates. The Bank has $50.0 million of borrowings from the Parent as part of its strategy to manage FDIC insurance premiums. The note has a rolling 13 month maturity, and the interest rate is a variable rate equal to the one year treasury rate. For the past several years, the Parent has maintained a $20.0 million line of credit for general corporate purposes with the Bank. The Parent has not borrowed under this line during the past three years. At December 31, 2022, the fair value of the investment securities held by the Parent consisted of investments of $5.2 million in corporate bonds, $6.0 million in preferred and common stock with readily determinable fair values, and $5.1 million in equity securities that do not have readily determinable fair values.
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Summary of Significant Accounting Policies (Policy) |
12 Months Ended | |
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Dec. 31, 2022 |
Dec. 31, 2020 |
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| Accounting Policies [Abstract] | ||
| Nature Of Operations | Nature of Operations Commerce Bancshares, Inc. and its subsidiaries (the Company) conducts its principal activities from approximately 275 branch and ATM locations throughout Missouri, Kansas, Illinois, Oklahoma and Colorado. Principal activities include retail and commercial banking, investment management, securities brokerage, mortgage banking, trust, and private banking services. The Company also maintains offices in Dallas, Houston, Cincinnati, Nashville, Des Moines, Indianapolis, and Grand Rapids that support customers in its commercial and/or wealth segments and operates a commercial payments business with sales representatives covering the continental U.S.
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| Basis Of Presentation | Basis of Presentation, Use of Estimates, and Subsequent Events The consolidated financial statements include the accounts of the Company and its majority-owned subsidiaries. All material inter-company transactions have been eliminated through consolidation. Certain prior year amounts have been reclassified to conform to the current year presentation. Such reclassifications had no effect on net income or total assets. The Company follows accounting principles generally accepted in the United States of America (GAAP) and reporting practices applicable to the banking industry. The preparation of financial statements under GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and notes. These estimates are based on information available to management at the time the estimates are made. While the consolidated financial statements reflect management’s best estimates and judgments, actual results could differ from those estimates. Management has evaluated subsequent events for potential recognition or disclosure through the date these consolidated financial statements were issued. The Company, in the normal course of business, engages in a variety of activities that involve variable interest entities (VIEs). A VIE is a legal entity that lacks equity investors or whose equity investors do not have a controlling financial interest in the entity through their equity investments. However, an enterprise is deemed to have a controlling financial interest and is the primary beneficiary of a VIE if it has both the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and an obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE. An enterprise that is the primary beneficiary must consolidate the VIE. The Company’s interests in VIEs are evaluated to determine if the Company is the primary beneficiary both at inception and when there is a change in circumstances that requires a reconsideration. The Company is considered to be the primary beneficiary in a rabbi trust related to a deferred compensation plan offered to certain employees. The assets and liabilities of this trust, which are included in the accompanying consolidated balance sheets, are not significant. The Company also has variable interests in certain entities in which it is not the primary beneficiary. These entities are not consolidated. These interests include certain investments in entities accounted for using the equity method of accounting, as well as affordable housing limited partnership interests, holdings in its investment portfolio of various asset and mortgage-backed bonds that are issued by securitization trusts, and managed discretionary trust assets that are not included in the accompanying consolidated balance sheets.
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| New Accounting Pronouncements, Policy | Adoption of ASU 2016-13 The Company adopted ASU 2016-13 Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and its related amendments (collectively known as “CECL”) on January 1, 2020. The Company adopted CECL using the modified retrospective method for all financial assets measured at amortized cost and for unfunded lending commitments. Results for reporting periods beginning on or after January 1, 2020 are presented under CECL, while prior period amounts continue to be reported in accordance with previously applicable GAAP. The Company recorded a net increase to retained earnings of $3.8 million as of January 1, 2020 for the cumulative effect of adopting CECL. The transition adjustment included a decrease to the allowance for credit losses of $29.7 million related to the commercial loan portfolio, an increase to the allowance for credit losses of $8.7 million related to the personal banking loan portfolio, an increase to the liability for unfunded commitments of $16.1 million, and a tax impact of $1.2 million.
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| Cash, Cash Equivalents and Restricted Cash | Cash, Cash Equivalents and Restricted Cash In the accompanying consolidated statements of cash flows, cash and cash equivalents include “Cash and due from banks”, “Federal funds sold and short-term securities purchased under agreements to resell”, and “Interest earning deposits with banks” as segregated in the accompanying consolidated balance sheets. Restricted cash is comprised of cash collateral on deposit with another financial institution to secure interest rate swap transactions. Restricted cash is included in other assets in the consolidated balance sheets and totaled $6.7 million and $17.4 million at December 31, 2022 and 2021, respectively. During 2020, the Federal Reserve System, which historically required the Bank to maintain cash balances at the Federal Reserve Bank, reduced the reserve requirement ratios to zero percent effective March 26, 2020. Other interest earning cash balances held at the Federal Reserve Bank totaled $389.1 million at December 31, 2022.
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| Loans And Related Earnings | Loans and Related Earnings The Company's portfolio of held-for-investment loans includes a net investment in direct financing and sales type leases to commercial and industrial and tax-exempt entities, and collectively, the Company's portfolio of loans and leases is referred to as its "loan portfolio" or "loans". Loans that management has the intent and ability to hold for the foreseeable future or until maturity or pay-off are reported at amortized cost, excluding accrued interest receivable. Amortized cost is the outstanding principal balance, net of any deferred fees and costs on originated loans. Origination fee income received on loans and amounts representing the estimated direct costs of origination are deferred and amortized to interest income over the life of the loan using the interest method. Interest on loans is accrued based upon the principal amount outstanding. The Company has elected the practical expedient to exclude all accrued interest receivable from all required disclosures of amortized cost. Additionally, an election was made not to measure an allowance for credit losses for accrued interest receivables. The Company has also made the election that all interest accrued but ultimately not received is reversed against interest income. Loan and commitment fees, net of costs, are deferred and recognized in interest income over the term of the loan or commitment as an adjustment of yield. Annual fees charged on credit card loans are capitalized to principal and amortized over 12 months to loan fees and sales. Other credit card fees, such as cash advance fees and late payment fees, are recognized in income as an adjustment of yield when charged to the cardholder’s account.
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| Loans and Leases Receivable, Past Due Status, Policy | Past Due LoansManagement reports loans as past due on the day following the contractual repayment date if payment was not received by end of the business day. Loans, or portions of loans, are charged off to the extent deemed uncollectible. Loan charge-offs reduce the allowance for credit losses on loans, and recoveries of loans previously charged off are added back to the allowance. Business, business real estate, construction and land real estate, and personal real estate loans are generally charged down to estimated collectible balances when they are placed on non-accrual status. Consumer loans and related accrued interest are normally charged down to the fair value of related collateral (or are charged off in full if not collateralized) once the loans are more than 120 to 180 days delinquent, depending on the type of loan. Revolving home equity loans are charged down to the fair value of the related collateral once the loans are more than 180 days past due. Credit card loans are charged off against the allowance for credit losses when the receivable is more than 180 days past due. | |
| Non-Accrual Loans | Non-Accrual Loans Loans are placed on non-accrual status when management does not expect to collect payments consistent with acceptable and agreed upon terms of repayment. Business, construction real estate, business real estate, and personal real estate loans that are contractually 90 days past due as to principal and/or interest payments are generally placed on non-accrual status, unless they are both well-secured and in the process of collection. Consumer, revolving home equity and credit card loans are exempt under regulatory rules from being classified as non-accrual. When a loan is placed on non-accrual status, any interest previously accrued but not collected is reversed against current interest income, and the loan is charged off to the extent uncollectible. Principal and interest payments received on non-accrual loans are generally applied to principal. Interest is included in income only after all previous loan charge-offs have been recovered and is recorded only as received. The loan is returned to accrual status only when the borrower has brought all past due principal and interest payments current, and, in the opinion of management, the borrower has demonstrated the ability to make future payments of principal and interest as scheduled. A six month history of sustained payment performance is generally required before reinstatement of accrual status.
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| Restructured Loans | Troubled Debt Restructurings A loan is accounted for as a troubled debt restructuring if the Company, for economic or legal reasons related to the borrower's financial difficulties, grants a concession to the borrower that it would not otherwise consider. A troubled debt restructuring typically involves (1) modification of terms such as a reduction of the stated interest rate, loan principal, or accrued interest, (2) a loan renewal at a stated interest rate lower than the current market rate for a new loan with similar risk, or (3) debt that was not reaffirmed in bankruptcy. Business, business real estate, construction and land real estate and personal real estate troubled debt restructurings with impairment charges are placed on non-accrual status. The Company measures the impairment loss of a troubled debt restructuring at the time of modification based on the present value of expected future cash flows. Subsequent to modification, troubled debt restructurings are subject to the Company’s allowance for credit loss model, which is discussed below and in Note 2, Loans and Allowance for Credit Losses. Troubled debt restructurings that are performing under their contractual terms continue to accrue interest, which is recognized in current earnings. Section 4013 of the Coronavirus Aid, Relief, and Economic Security Act ("CARES Act"), which was signed into law on March 27, 2020, provided financial institutions an option to suspend the requirement to categorize certain loan modifications related to the global Coronavirus Disease 2019 (COVID-19) pandemic as troubled debt restructurings. The 2021 Consolidated Appropriations Act signed on December 27, 2020 extends this temporary suspension through January 1, 2022. The Company elected such option from March 27, 2020 through December 31, 2021. Refer to Note 2 for additional information.
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| Loans Held For Sale | Loans Held For Sale Loans held for sale include student loans and certain fixed rate residential mortgage loans. These loans are typically classified as held for sale upon origination based upon management's intent to sell the production of these loans. The student loans are carried at the lower of aggregate cost or fair value, and their fair value is determined based on sale contract prices. The mortgage loans are carried at fair value under the elected fair value option. Their fair value is based on secondary market prices for loans with similar characteristics, including an adjustment for embedded servicing value. Changes in fair value and gains and losses on sales are included in loan fees and sales. Deferred fees and costs related to these loans are not amortized but are recognized as part of the cost basis of the loan at the time it is sold. Interest income related to loans held for sale is accrued based on the principal amount outstanding and the loan's contractual interest rate. Occasionally, other types of loans may be classified as held for sale in order to manage credit concentration. These loans are carried at the lower of cost or fair value with gains and losses on sales recognized in loan fees and sales.
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| Financing Receivable, Allowance for Credit Losses, Policy for Uncollectible Amounts | Allowance for Credit Losses on Loans The allowance for credit losses on loans is a valuation amount that is deducted from the amortized cost basis of loans not held at fair value to present the net amount expected to be collected over the contractual term of the loans. The allowance for credit losses on loans is measured using relevant information about past events, including historical credit loss experience on loans with similar risk characteristics, current conditions, and reasonable and supportable forecasts that affect the collectability of the remaining cash flows over the contractual term of the loans. An allowance will be created upon origination or acquisition of a loan and is updated at subsequent reporting dates. The methodology is applied consistently for each reporting period and reflects management’s current expectations of credit losses. Changes to the allowance for credit losses on loans resulting from periodic evaluations are recorded through increases or decreases to the credit loss expense for loans, which is recorded in provision for credit losses on the consolidated statements of income. Loans that are deemed to be uncollectible are charged off against the related allowance for credit losses on loans. The allowance for credit losses on loans is measured on a collective (pool) basis. Loans are aggregated into pools based on similar risk characteristics including borrower type, collateral type and expected credit loss patterns. The allowance for credit losses on a troubled debt restructuring which continues to accrue interest is also measured on a collective basis. Loans that do not share similar risk characteristics, primarily large loans on non-accrual status, are evaluated on an individual basis. The allowance related to these large non-accrual loans is measured using the fair value of the collateral (less selling cost, if applicable) as most of these loans are collateral dependent and the borrower is facing financial difficulty. As noted above, the allowance for credit losses on loans does not include an allowance for accrued interest.
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| Off-Balance-Sheet Credit Exposure, Policy | Liability for Unfunded Lending Commitments The Company’s unfunded lending commitments are primarily unfunded loan commitments and letters of credit. Expected credit losses for these unfunded lending commitments are calculated over the contractual period during which the Company is exposed to the credit risk. The methodology used to measure credit losses for unfunded lending commitments is the same as the methodology used for loans, however, the estimate of credit risk for unfunded lending commitments takes into consideration the likelihood that funding will occur. The liability for unfunded lending commitments excludes any exposures that are unconditionally cancellable by the Company. The loss estimate is recorded within other liabilities on the consolidated balance sheet. Changes to the liability for unfunded lending commitments are recorded through increases or decreases to the provision for credit losses on the consolidated statements of income.
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| Direct Financing And Sales Type Leases | Direct Financing and Sales Type LeasesThe net investment in direct financing and sales type leases is included in loans on the Company’s consolidated balance sheets and consists of the present values of the sum of the future minimum lease payments and estimated residual value of the leased asset. Revenue consists of interest earned on the net investment and is recognized over the lease term as a constant percentage return thereon. | |
| Investments In Debt And Equity Securities | Investments in Debt and Equity Securities The majority of the Company's investment portfolio is comprised of debt securities that are classified as available for sale. From time to time, the Company sells securities and utilizes the proceeds to reduce borrowings, fund loan growth, or modify its interest rate profile. Securities classified as available for sale are carried at fair value. Changes in fair value are reported in other comprehensive income (loss), a component of stockholders’ equity. Securities are periodically evaluated for credit losses in accordance with the guidance provided in Accounting Standards Codification (ASC) 326. Further discussion of this evaluation is provided in "Allowance for Credit Losses on Available for Sale Debt Securities" below. Gains and losses realized upon sales of securities are calculated using the specific identification method and are included in investment securities gains (losses), net, in the consolidated statements of income. Purchase premiums and discounts are amortized to interest income using a level yield method over the estimated lives of the securities. For certain callable debt securities purchased at a premium, the amortization is recorded to the earliest call date. For mortgage and asset-backed securities, prepayment experience is evaluated quarterly to determine if a change in a bond's estimated remaining life is necessary. A corresponding adjustment is then made in the related amortization of premium or discount accretion. Accrued interest receivable on available for sale debt securities is reported in other assets on the consolidated balance sheet. The Company has elected the practical expedient to exclude the accrued interest from all required disclosures of amortized cost of debt securities. Additionally, an election was made not to measure an allowance for credit losses for accrued interest receivables. Interest accrued but not received is reversed against interest income. Equity securities include common and preferred stock and are carried at fair value. Certain equity securities do not have readily determinable fair values. The Company has elected under ASU 2016-01 to measure these equity securities without a readily determinable fair value at cost minus impairment, if any, plus or minus changes resulting from observable price changes for the identical or similar investment of the same issuer. The Company has not recorded any impairment or other adjustments to the carrying amount of these equity securities without readily determinable fair values. Other securities include the Company's investments in Federal Reserve Bank stock and Federal Home Loan Bank stock, equity method investments, and private equity investments. Federal Reserve Bank stock and Federal Home Loan Bank stock are held for debt and regulatory purposes, are carried at cost and are periodically evaluated for impairment. The Company's equity method investments are carried at cost, adjusted to reflect the Company's portion of income, loss, or dividends of the investee. The Company's private equity investments in portfolio concerns, consisting of both debt and equity instruments, are held by the Company’s private equity subsidiary, which is a small business investment company licensed by the Small Business Administration. The Company's private equity investments are carried at fair value in accordance with investment company accounting guidance (ASC 946-10-15), with changes in fair value reported in current income. In the absence of readily ascertainable market values, fair value is estimated using internally developed methods. Changes in fair value which are recognized in current income and gains and losses from sales are included in investment securities gains (losses), net, in the consolidated statements of income. Trading account securities, which are debt securities bought and held principally for the purpose of resale in the near term, are carried at fair value. Gains and losses, both realized and unrealized, are recorded in non-interest income. Purchases and sales of securities are recognized on a trade date basis. A receivable or payable is recognized for transaction pending settlements.
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| Credit Loss, Financial Instrument | Allowance for Credit Losses on Available for Sale Debt Securities For available for sale debt securities in an unrealized loss position, the entire loss in fair value is required to be recognized in current earnings if the Company intends to sell the securities or believes it more likely than not that it will be required to sell the security before the anticipated recovery. If neither condition is met, and the Company does not expect to recover the amortized cost basis, the Company determines whether the decline in fair value resulted from credit losses or other factors. If the assessment indicates that a credit loss exists, the present value of cash flows expected to be collected is compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss has occurred, and an allowance for credit losses is recorded. The allowance for credit losses is limited by the amount that the fair value is less than the amortized cost basis. Any impairment not recorded through the provision for credit losses is recognized in other comprehensive income. Changes in the allowance for credit losses are recorded as a provision for (or reversal of) credit losses on the consolidated statements of income. Losses are charged against the allowance for credit losses on securities when management believes the uncollectibility of an available for sale security is confirmed or when either of the conditions regarding intent or requirement to sell is met. Accrued interest receivable on available for sale debt securities is excluded from the estimate of credit losses.
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| Securities Purchased Under Agreements To Resell And Securities Sold Under Agreements To Repurchase | Securities Purchased under Agreements to Resell and Securities Sold under Agreements to Repurchase Securities purchased under agreements to resell and securities sold under agreements to repurchase are treated as collateralized financing transactions, not as purchases and sales of the underlying securities. The agreements are recorded at the amount of cash advanced or received. The Company periodically enters into securities purchased under agreements to resell with large financial institutions. Securities pledged by the counterparties to secure these agreements are delivered to a third party custodian. Securities sold under agreements to repurchase are a source of funding to the Company and are offered to cash management customers as an automated, collateralized investment account. From time to time, securities sold may also be used by the Bank to obtain additional borrowed funds at favorable rates. These borrowings are secured by a portion of the Company's investment security portfolio and delivered either to the dealer custody account at the Federal Reserve Bank or to the applicable counterparty. The fair value of collateral either received from or provided to a counterparty is monitored daily, and additional collateral is obtained, returned, or provided by the Company in order to maintain full collateralization for these transactions. As permitted by current accounting guidance, the Company offsets certain securities purchased under agreements to resell against securities sold under agreements to repurchase in its balance sheet presentation. These agreements are further discussed in Note 20, Resale and Repurchase Agreements.
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| Premises and Equipment | Premises and Equipment Land is stated at cost, and buildings and equipment are stated at cost, including capitalized interest when appropriate, less accumulated depreciation. Depreciation is computed using a straight-line method, utilizing estimated useful lives; generally 30 to 40 years for buildings, 10 years for building improvements, and 3 to 10 years for equipment. Leasehold improvements are amortized over the shorter of 10 years or the remaining lease term. Maintenance and repairs are charged to non-interest expense as incurred. Also included in premises and equipment is construction in process, which represents facilities construction projects underway that have not yet been placed into service, as well as the Company's right-of-use leased assets, which are mainly comprised of operating leases for branches, office space, ATM locations, and certain equipment.
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| Foreclosed Assets | Foreclosed AssetsForeclosed assets consist of property that has been repossessed and is comprised of commercial and residential real estate and other non-real estate property, including auto and recreational and marine vehicles. The assets are initially recorded at fair value less estimated selling costs, establishing a new cost basis. Initial valuation adjustments are charged to the allowance for credit losses. Fair values are estimated primarily based on appraisals, third-party price opinions, or internally developed pricing models. After initial recognition, fair value estimates are updated periodically. Declines in fair value below cost are recognized through valuation allowances which may be reversed when supported by future increases in fair value. These valuation adjustments, in addition to gains and losses realized on sales and net operating expenses, are recorded in other non-interest expense. Foreclosed assets are included in other assets on the consolidated balance sheets. | |
| Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill and intangible assets that have indefinite useful lives, such as property easement intangible assets, are not amortized but are assessed for impairment on an annual basis or more frequently in certain circumstances. When testing for goodwill impairment, the Company may initially perform a qualitative assessment. Based on the results of this qualitative assessment, if the Company concludes it is more likely than not that a reporting unit's fair value is less than its carrying amount, a quantitative analysis is performed. Quantitative valuation methodologies include a combination of formulas using current market multiples, based on recent sales of financial institutions within the Company's geographic marketplace. If the fair value of a reporting unit is less than the carrying amount, an impairment has occurred and is measured as the amount by which the carrying amount exceeds the reporting unit's fair value. The Company has not recorded impairment resulting from goodwill impairment tests. However, adverse changes in the economic environment, operations of the reporting unit, or other factors could result in a decline in fair value. Intangible assets that have finite useful lives, such as core deposit intangibles and mortgage servicing rights, are amortized over their estimated useful lives. Core deposit intangibles are generally amortized over periods of 8 to 14 years, representing their estimated lives, using accelerated methods. Mortgage servicing rights are amortized in proportion to and over the period of estimated net servicing income, considering appropriate prepayment assumptions. Core deposit intangibles are reviewed for impairment whenever events or changes in circumstances indicate their carrying amount may not be recoverable. Impairment is indicated if the sum of the undiscounted estimated future net cash flows is less than the carrying value of the intangible asset. Mortgage servicing rights, while initially recorded at fair value, are subsequently amortized and carried at the lower of the initial capitalized amount (net of accumulated amortization), or estimated fair value. The Company evaluates its mortgage servicing rights for impairment on a quarterly basis, using estimated prepayment speeds of the underlying mortgage loans serviced and stratifications based on the risk characteristics of the underlying loans. A valuation allowance has been established, through a charge to earnings, to the extent the amortized cost exceeds the estimated fair value. However, the Company has not recorded other-than-temporary impairment losses on its intangible assets.
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| Income Taxes | Income Taxes Amounts provided for income tax expense are based on income reported for financial statement purposes and do not necessarily represent amounts currently payable under tax laws. Deferred income taxes are provided for temporary differences between the financial reporting bases and income tax bases of the Company’s assets and liabilities, net operating losses, and tax credit carryforwards. Deferred tax assets and liabilities are measured using the enacted tax rates that are expected to apply to taxable income when such assets and liabilities are anticipated to be settled or realized. The effect on deferred tax assets and liabilities of a change in tax rates is recognized as tax expense or benefit in the period that includes the enactment date of the change. In determining the amount of deferred tax assets to recognize in the financial statements, the Company evaluates the likelihood of realizing such benefits in future periods. A valuation allowance is established if it is more likely than not that all or some portion of the deferred tax asset will not be realized. The Company recognizes interest and penalties related to income taxes within income tax expense in the consolidated statements of income. The Company and its eligible subsidiaries file a consolidated federal income tax return. State and local income tax returns are filed on a combined, consolidated or separate return basis based upon each jurisdiction’s laws and regulations. Additional information about current and deferred income taxes is provided in Note 9, Income Taxes.
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| Non-Interest Income | Non-Interest Income Non-interest income is mainly comprised of revenue from contracts with customers. For that revenue (excluding certain revenue associated with financial instruments, derivative and hedging instruments, guarantees, lease contracts, transferring and servicing of financial assets, and other specific revenue transactions), the Company applies the following five-step approach when recognizing revenue: (i) identify the contract with the customer, (ii) identify the performance obligations, (iii) determine the transaction price, (iv) allocate the transaction price to the performance obligations, and (v) recognize revenue when (or as) the performance obligation is satisfied. The Company’s contracts with customers are generally short term in nature, with a duration of one year or less, and most contracts are cancellable by either the Company or its customer without penalty. Performance obligations for customer contracts are generally satisfied at a single point in time, typically when the transaction is complete and the customer has received the goods or service, or over time. For performance obligations satisfied over time, the Company recognizes the value of the goods or services transferred to the customer when the performance obligations have been transferred and received by the customer. Payments for satisfied performance obligations are typically due when or as the goods or services are completed, or shortly thereafter, which usually occurs within a single financial reporting period. In situations where payment is made before the performance obligation is satisfied, the fees are deferred until the performance obligations pertaining to those goods or services are completed. In cases where payment has not been received despite satisfaction of its performance obligations, the Company accrues an estimate of the amount due in the period that the performance obligations have been satisfied. For contracts with variable components, the Company only recognizes revenue to the extent that it is probable that the cumulative amount recognized will not be subject to a significant reversal in future periods. Generally, the Company’s contracts do not include terms that require significant judgment to determine whether a variable component is included within the transaction price. The Company generally acts in a principal capacity, on its own behalf, in most of its contracts with customers. For these transactions, revenue and the related costs to provide the goods or services are presented on a gross basis in the financial statements. In some cases, the Company acts in an agent capacity, deriving revenue through assisting third parties in transactions with the Company’s customers. In such transactions, revenue and the related costs to provide services is presented on a net basis in the financial statements. These transactions primarily relate to fees earned from bank card and related network and rewards costs and the sales of annuities and certain limited insurance products.
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| Derivatives | Derivatives Most of the Company's derivative contracts are accounted for as free-standing instruments. These instruments are carried at fair value, and changes in fair value are recognized in current earnings. They include interest rate swaps and caps, which are offered to customers to assist in managing their risks of adverse changes in interest rates. Each contract between the Company and a customer is offset by a contract between the Company and an institutional counterparty, thus minimizing the Company's exposure to rate changes. The Company also enters into certain contracts, known as credit risk participation agreements, to buy or sell credit protection on specific interest rate swaps. It also purchases and sells forward foreign exchange contracts, either in connection with customer transactions, or for its own trading purposes. Additionally, the Company originates and sells certain personal real estate mortgages. Derivative instruments under this program include mortgage loan commitments, forward loan sale contracts, and forward contracts to sell certain to-be-announced (TBA) securities. The Company's interest rate risk management policy permits the use of hedge accounting for derivatives, and the Company has entered into interest rate floor contracts as protection from the potential for declining interest rates in the commercial loan portfolio. These floors were designated and qualified as cash flow hedges. In a cash flow hedge, the changes in fair value are recorded in accumulated other comprehensive income and recognized in the income statement when the hedged cash flows affect earnings. Both at hedge inception and on an ongoing basis, the Company assesses whether the interest rate floors used in the hedging relationships are highly effective in offsetting changes in the cash flows of the hedged items. From time to time, the Company has monetized its interest rate floors that had previously been designated and qualified as cash flow hedges. In such case, the monetized cash flow hedge is derecognized and the amounts recorded in accumulated other comprehensive income (AOCI) remain in AOCI until the underlying forecasted transaction impacts earnings, unless the forecasted transaction becomes probable of not occurring. The Company has master netting arrangements with various counterparties but does not offset derivative assets and liabilities under these arrangements in its consolidated balance sheets. However, interest rate swaps that are executed under central clearing requirements are presented net of variation margin as mandated by the statutory terms of the Company's contract with its clearing counterparty. Additional information about derivatives held by the Company and valuation methods employed is provided in Note 17, Fair Value Measurements and Note 19, Derivative Instruments.
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| Pension Plan | Pension Plan The Company’s pension plan is described in Note 10, Employee Benefit Plans. In accordance with ASU 2017-07, the Company has reported the service cost component of net periodic pension cost in salaries and employee benefits in the accompanying consolidated statements of income, while the other components are reported in other non-interest expense. The funded status of the plan is recognized as an other asset or other liability in the consolidated balance sheets, and changes in that funded status are recognized in the year in which the changes occur through other comprehensive income. Plan assets and benefit obligations are measured as of the fiscal year end of the plan. The measurement of the projected benefit obligation and pension expense involve actuarial valuation methods and the use of various actuarial and economic assumptions. The Company monitors the assumptions and updates them periodically. Due to the long-term nature of the pension plan obligation, actual results may differ significantly from estimations. Such differences are adjusted over time as the assumptions are replaced by facts and values are recalculated.
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| Stock-Based Compensation | Stock-Based Compensation The Company’s stock-based compensation plan is described in Note 11, Stock-Based Compensation and Directors Stock Purchase Plan. In accordance with the requirements of ASC 718-10-30-3 and 35-2, the Company measures the cost of stock-based compensation based on the grant-date fair value of the award, recognizing the cost over the requisite service period, which is generally the vesting period. The fair value of stock appreciation rights is estimated using the Black-Scholes option-pricing model while the fair value of a nonvested stock award is the common stock (CBSH) market price. The expense recognized for stock-based compensation is included in salaries and benefits in the accompanying consolidated statements of income. The Company recognizes forfeitures as a reduction to expense only when they have occurred.
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| Treasury Stock | Treasury Stock Purchases of the Company’s common stock are recorded at cost. Upon re-issuance for acquisitions, exercises of stock-based awards or other corporate purposes, treasury stock is reduced based upon the average cost basis of shares held.
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| Income Per Share | Income per Share Basic income per share is computed using the weighted average number of common shares outstanding during each year. Diluted income per share includes the effect of all dilutive potential common shares (primarily stock appreciation rights) outstanding during each year. The Company applies the two-class method of computing income per share. The two-class method is an earnings allocation formula that determines income per share for common stock and for participating securities, according to dividends declared and participation rights in undistributed earnings. The Company’s nonvested stock awards are considered to be a class of participating security. All per share data has been restated to reflect the 5% stock dividend distributed in December 2022.
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Loans And Allowance For Credit Losses (Tables) |
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| Loans And Allowance For Credit Losses [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary Classification Of Held To Maturity Loan Portfolio | Major classifications within the Company’s held for investment loan portfolio at December 31, 2022 and 2021 are as follows:
(1) Accrued interest receivable totaled $55.5 million and $25.9 million at December 31, 2022 and 2021, respectively, and was included within other assets on the consolidated balance sheet. For the year ended December 31, 2022, the Company wrote-off accrued interest by reversing interest income of $145 thousand and $3.2 million in the Commercial and Personal Banking portfolios, respectively.
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| Loans To Directors And Executive Officers | Loans to directors and executive officers of the Parent and the Bank, and to their affiliates, are summarized as follows:
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| CECL Model Inputs | Key assumptions in the Company’s allowance for credit loss model include the economic forecast, the reasonable and supportable period, forecasted macro-economic variables, prepayment assumptions and qualitative factors applied for portfolio composition changes, underwriting practices, or significant unique events or conditions. The assumptions utilized in estimating the Company’s allowance for credit losses at December 31, 2022 and 2021 are discussed below.
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| Summary Of Activity In The Allowance For Credit Losses | A summary of the activity in the allowance for credit losses on loans and the liability for unfunded lending commitments during the years ended December 31, 2022 and 2021 follows:
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| Aging Information On Past Due And Nonaccrual Loans | The following table provides aging information on the Company’s past due and accruing loans, in addition to the balances of loans on non-accrual status, at December 31, 2022 and 2021.
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| Risk Category of Loans in Commercial Portfolio | The risk category of loans in the Commercial portfolio as of December 31, 2022 and 2021 are as follows:
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| Credit Quality of Personal Banking Loan Portfolio | The credit quality of Personal Banking loans is monitored primarily on the basis of aging/delinquency, and this information is provided as of December 31, 2022 and 2021 below:
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| Amortized Cost Basis of Collateral-Dependent Loans | The following table presents the amortized cost basis of collateral-dependent loans as of December 31, 2022 and 2021.
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| Summary Of Loans In The Personal Banking Portfolio Percentage Of Balances Outstanding | For the remainder of loans in the Personal Banking portfolio, the table below shows the percentage of balances outstanding at December 31, 2022 and 2021 by FICO score.
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| Additional Information about Troubled Debt Restructurings |
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| Outstanding Balance Of Loans Classified As Troubled Debt Restructurings | The table below shows the balance of troubled debt restructurings by loan classification at December 31, 2022, in addition to the outstanding balances of these restructured loans which the Company considers to have been in default at any time during the past twelve months. For purposes of this disclosure, the Company considers "default" to mean 90 days or more past due as to interest or principal.
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Investment Securities (Tables) |
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| Investments, Debt and Equity Securities [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary Investment Holdings | Investment securities consisted of the following at December 31, 2022 and 2021:
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| Investments Classified by Contractual Maturity Date | A summary of the available for sale debt securities by maturity groupings as of December 31, 2022 is shown in the following table. The weighted average yield for each range of maturities was calculated using the yield on each security within that range weighted by the amortized cost of each security at December 31, 2022. Yields on tax exempt securities have not been adjusted for tax exempt status. The investment portfolio includes agency mortgage-backed securities, which are guaranteed by agencies such as FHLMC, FNMA, and GNMA, in addition to non-agency mortgage-backed securities, which have no guarantee but are collateralized by commercial and residential mortgages. Also included are certain other asset-backed securities, which are primarily collateralized by credit cards, automobiles, student loans, and commercial loans. These securities differ from traditional debt securities primarily in that they may have uncertain maturity dates and are priced based on estimated prepayment rates on the underlying collateral.
* Rate does not reflect inflation adjustment on inflation-protected securities
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| Schedule of Unrealized Loss on Investments |
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| Unrealized Gain (Loss) on Investments | For debt securities classified as available for sale, the following table shows the amortized cost, fair value, and allowance for credit losses of securities available for sale at December 31, 2022 and 2021 and the corresponding amounts of gross unrealized gains and losses (pre-tax) in AOCI, by security type.
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| Proceeds From Sales Of Securities And Components Of Investment Securities Gains And Losses | The following table presents proceeds from sales of securities and the components of investment securities gains and losses which have been recognized in earnings.
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Premises and Equipment (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Property, Plant and Equipment [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Land, Buildings And Equipment | Premises and equipment consist of the following at December 31, 2022 and 2021:
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Goodwill And Other Intangible Assets (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Goodwill and Intangible Assets Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Intangible Assets With Estimable Useful Lives | The following table presents information about the Company's intangible assets which have estimable useful lives.
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| Schedule Of Goodwill Allocated By Operating Segments | The carrying amount of goodwill and its allocation among segments at December 31, 2022 and 2021 is shown in the table below. As a result of ongoing assessments, no impairment of goodwill was recorded in 2022, 2021 or 2020. Further, the annual assessment of qualitative factors on January 1, 2023 revealed no likelihood of impairment as of that date.
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| Schedule Of Changes In Carrying Amount Of Goodwill And Net Other Intangible Assets | Changes in the net carrying amount of goodwill and other net intangible assets for the years ended December 31, 2022 and 2021 are shown in the following table. During the year ended December 31, 2020, the Company purchased an easement for $3.6 million in connection with the Developer Services Agreement that was signed during the third quarter of 2020 to develop a commercial office complex in Clayton, Missouri. The easement, which grants the Company access to all portions of the parking facility and terrace garden, is perpetual and will be assessed for impairment at least annually, or whenever events or circumstances indicate an impairment may have occurred. No impairment was identified at December 31, 2022.
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| Schedule of Estimated Annual Amortization Expense | The following table shows the estimated future amortization expense based on existing asset balances and the interest rate environment as of December 31, 2022. The Company’s actual amortization expense in any given period may be different from the estimated amounts depending upon the acquisition of intangible assets, changes in mortgage interest rates, prepayment rates and other market conditions.
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Leases (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2022 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Leases [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Lessee, Operating Lease, Liability, Maturity [Table Text Block] | The maturities of operating leases are included in the table below.
(1) Excludes $2.1 million of legally binding minimum lease payments for operating leases signed but not yet commenced.
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| Lease, Cost [Table Text Block] | The following table presents the average lease term and discount rate of operating leases.
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| Schedule of Supplemental Cash Flow Information Related to Operating Leases [Table Text Block] | Supplemental cash flow information related to operating leases is included in the table below.
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| Components of Lease Income [Table Text Block] | The following table provides the components of lease income.
(1) Includes rent from Tower Properties, a related party, of $76 thousand for the years ended both December 31, 2022 and 2021.
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| Net Investment in Sales-type and Direct Financing Leases [Table Text Block] | The following table presents the components of the net investments in direct financing and sales-type leases.
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| Schedule of Maturity of Lease Receivables [Table Text Block] | The maturities of lease receivables are included in the table below.
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Deposits (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2022 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposits [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Scheduled Maturities Of Total Time Open And Certificates Of Deposit | At December 31, 2022, the scheduled maturities of certificates of deposit were as follows:
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Borrowings (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2022 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Short-Term Borrowings | The following table sets forth selected information for federal funds purchased and repurchase agreements.
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Income Taxes (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Income Tax Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Components Of Income Tax Expense (Benefit) | The components of income tax expense from operations for the years ended December 31, 2022, 2021 and 2020 were as follows:
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| Schedule Of Income Tax Expense Recorded Directly To Stockholders Equity | The components of income tax (benefit) expense recorded directly to stockholders’ equity for the years ended 2022, 2021 and 2020 were as follows:
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| Components Of Deferred Tax Assets And Liabilities | Significant components of the Company’s deferred tax assets and liabilities at December 31, 2022 and 2021 were as follows:
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| Schedule Of Company's Actual Income Tax Expense | A reconciliation between the expected federal income tax expense using the federal statutory tax rate of 21%, and the Company's actual income tax expense for 2022, 2021, and 2020 is provided below. The effective tax rate is calculated by dividing income taxes by income before income taxes less the non-controlling interest expense.
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| Schedule Of Accrued Liability For Unrecognized Tax Benefit | The activity in the accrued liability for unrecognized tax benefits for the years ended December 31, 2022 and 2021 was as follows:
The Company and its subsidiaries are subject to income tax by federal, state and local government taxing authorities. Tax years 2019 through 2022 remain open to examination for U.S. federal income tax and for major state taxing jurisdictions.
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Employee Benefit Plans (Tables) |
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| Retirement Benefits [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Employee Benefits Charged To Operating Expenses | Employee benefits charged to operating expenses are summarized in the table below. Substantially all of the Company’s employees are covered by a defined contribution (401(k)) plan, under which the Company makes matching contributions.
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| Components Of The Net Pension Cost | The following items are components of the net pension cost for the years ended December 31, 2022, 2021 and 2020.
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| Summary Of Pension Plans Funded Status | The following table sets forth the pension plans’ funded status, using valuation dates of December 31, 2022 and 2021.
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| Schedule Of Amounts Not Yet Reflected In Net Periodic Benefit Cost And Included In Accumulated Other Comprehensive Income (Loss), Pre-Tax Basis | Amounts not yet reflected in net periodic benefit cost and included in accumulated other comprehensive income (loss) at December 31, 2022 and 2021 are shown below, including amounts recognized in other comprehensive income during the periods. All amounts are shown on a pre-tax basis.
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| Assumptions On A Weighted Average Basis, Used In Accounting For Plans | The following assumptions, on a weighted average basis, were used in accounting for the plans.
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| Fair Value Of Pension Plan Asset Category | The following table shows the fair values of the Company’s pension plan assets by asset category at December 31, 2022 and 2021. Information about the valuation techniques and inputs used to measure fair value are provided in Note 17 on Fair Value Measurements.
(a) This category represents bonds (excluding mortgage-backed securities) issued by agencies such as the Government National Mortgage Association, the Federal Home Loan Mortgage Corp and the Federal National Mortgage Association. (b) This category represents mortgage-backed securities issued by the agencies mentioned in (a). (c) This category represents investment grade bonds issued in the U.S., primarily by domestic issuers, representing diverse industries. (d) This category represents investments in individual common stocks and equity funds. These holdings are diversified, largely across the financial services, technology services, electronic technology, healthcare technology, and retail trade industries.
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| Future Benefit Payments | The following future benefit payments are expected to be paid:
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Stock-Based Compensation and Directors Stock Purchase Plan (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2022 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Share-Based Payment Arrangement, Noncash Expense [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary Of The Status Of Nonvested Share Awards | Nonvested Restricted Stock Awards Nonvested stock is awarded to key employees by action of the Company's Compensation and Human Resources Committee and Board of Directors. These awards generally vest after 4 to 7 years of continued employment, but vesting terms may vary according to the specifics of the individual grant agreement. There are restrictions as to transferability, sale, pledging, or assigning, among others, prior to the end of the vesting period. Dividend and voting rights are conferred upon grant of restricted stock awards. A summary of the status of the Company’s nonvested share awards as of December 31, 2022 and changes during the year then ended is presented below.
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| Summary Of SAR Activity |
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| Schedule Of Share Based Payment Award Stock Options Valuation Assumptions [Table Text Block] |
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| Schedule Of Additional Information About Stock Options and SARs Exercises | Additional information about SARs exercised is presented below.
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Accumulated Other Comprehensive Income (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2022 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components Of Accumulated Other Comprehensive Income (Loss) |
(1) The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "investment securities gains (losses), net" in the consolidated statements of income. (2) The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "interest and fees on loans" in the consolidated statements of income.
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Segments (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Segment Reporting [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Financial Information By Segment | Segment Income Statement Data
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| Segment Balance Sheet Data | Segment Balance Sheet Data
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Common and Preferred Stock (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2022 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary Of Components Used To Calculate Basic And Diluted Income Per Share |
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| Schedule Of Activity In The Outstanding Shares Of The Company's Common Stock | The table below shows activity in the outstanding shares of the Company’s common stock during the past three years. Shares in the table below are presented on an historical basis and have not been restated for the annual 5% stock dividends.
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Regulatory Capital Requirements (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Capital Amounts And Ratios On Consolidated Basis | The following tables show the capital amounts and ratios for the Company (on a consolidated basis) and the Bank, together with the minimum capital adequacy and well-capitalized capital requirements, at the last two year ends.
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Revenue from Contracts with Customers Revenue from Contracts with Customers (Tables) |
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| Revenue from Contract with Customer [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disaggregation of Revenue [Table Text Block] | The following table disaggregates non-interest income subject to ASU 2014-09 by major product line.
(1) This revenue is not within the scope of ASU 2014-09, and includes fees relating to capital market activities, loan fees and sales, derivative instruments, standby letters of credit and various other transactions.
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| Contract with Customer, Asset and Liability [Table Text Block] | The following table presents the opening and closing receivable balances for the years ended December 31, 2022 and 2021 for the Company’s significant revenue categories subject to ASU 2014-09.
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| Bank Card Transaction Fees [Table Text Block] | The following table presents the components of bank card fee income.
The majority of debit and credit card fees are reported in the Consumer segment, while corporate card and merchant fees are reported in the Commercial segment.
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| Trust Fees [Table Text Block] | The following table shows the components of revenue within trust fees, which are reported within the Wealth segment.
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| Deposit Account Charges and Other Fees [Table Text Block] | The following table shows the components of revenue within deposit account charges and other fees.
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| Consumer Brokerage Services Revenue [Table Text Block] | The following shows the components of revenue within consumer brokerage services, and nearly all of this revenue is reported in the Company's Wealth segment.
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Fair Value Measurements (Tables) |
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| Fair Value Disclosures [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis | The table below presents the carrying values of assets and liabilities measured at fair value on a recurring basis at December 31, 2022 and 2021. There were no transfers among levels during these years.
*The fair value of each class of derivative is shown in Note 19.
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| Summary Of Changes In Level 3 Assets And Liabilities Measured At Fair Value On A Recurring Basis | The changes in Level 3 assets and liabilities measured at fair value on a recurring basis are summarized as follows:
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| Summary Of Gains And Losses On Level 3 Assets And Liabilities | Gains and losses on the Level 3 assets and liabilities in the table above are reported in the following income categories:
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| Summary Of Quantitative Information About Level 3 Fair Value Measurements | Level 3 Inputs As shown above, the Company's significant Level 3 measurements which employ unobservable inputs that are readily quantifiable pertain to auction rate securities (ARS) held by the Bank, investments in portfolio concerns held by the Company's private equity subsidiary, and held for sale residential mortgage loan commitments. ARS are included in state and municipal securities and totaled $1.8 million at December 31, 2022, while private equity investments, included in other securities, totaled $178.1 million. At December 31, 2022, there were no mortgage loan commitments outstanding. For the the Company's significant Level 3 measurements at December 31, 2022, information about the significant unobservable inputs is presented in the table and discussions below.
* Unobservable inputs were weighted by the relative fair value of the instruments.
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| Schedule Of Fair Value Disclosures Measured On Nonrecurring Basis [Table Text Block] | Instruments Measured at Fair Value on a Nonrecurring Basis For assets measured at fair value on a nonrecurring basis during 2022 and 2021, and still held as of December 31, 2022 and 2021, the following table provides the adjustments to fair value recognized during the respective periods, the level of valuation assumptions used to determine each adjustment, and the carrying value of the related individual assets or portfolios at December 31, 2022 and 2021.
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| Information about Level Three Fair Value Measurements - Nonrecurring Basis | The Company's significant Level 3 measurements that are measured on a nonrecurring basis pertain to the Company's mortgage servicing rights retained on certain fixed rate personal real estate loan originations. Mortgage servicing rights are included in other intangible assets on the consolidated balance sheets, and information about these inputs is presented in the table below.
*Ranges and weighted averages based on interest rate tranches.
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Fair Value Of Financial Instruments (Tables) |
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| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fair Value, by Balance Sheet Grouping [Table Text Block] | The estimated fair values of the Company’s financial instruments and the classification of their fair value measurement within the valuation hierarchy are as follows at December 31, 2022 and 2021:
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Derivative Instruments (Tables) |
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| Derivative Instrument Detail [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Notional Amounts Of Derivative Instruments | The notional amounts of the Company’s derivative instruments are shown in the table below. These contractual amounts, along with other terms of the derivative, are used to determine amounts to be exchanged between counterparties and are not a measure of loss exposure. With the exception of the interest rate floors (discussed below), the Company's derivative instruments are accounted for as free-standing derivatives, and changes in their fair value are recorded in current earnings.
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| Schedule Of Fair Values Of Derivative Instruments | The Company presents derivative assets and derivative liabilities on a gross basis, as other assets and other liabilities, on its consolidated balance sheets.
*Certain collateral was posted to and from the Company's clearing party and has been applied to the fair values of the cleared swaps. As a result, these values are net of variation margin of $27.8 million and $587 thousand for interest rate swaps in an asset position, and $— million and $29.7 million for interest rate swaps in a liability position, at December 31, 2022 and 2021, respectively.
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| Summary of Cash Flow Hedge Activity [Table Text Block] | The Company made an election to exclude the initial premiums paid on the interest rate floors from the hedge effectiveness measurement. Those initial premiums are amortized over the periods between the premium payment month and the contract maturity month. The pre-tax effects of the gains and losses (both the included and excluded amounts for hedge effectiveness assessment) recognized in the other comprehensive income from the cash flow hedging instruments and the amounts reclassified from accumulated other comprehensive income into income (both included and excluded amounts for hedge effectiveness measurement) are shown in the table below.
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| Summary Of The Effects Of Derivative Instruments On Consolidated Statements Of Income | The gain and loss recognized through various derivative instruments on the consolidated statements of income are shown in the table below.
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| Balance Sheet Offsetting, Derivatives [Table Text Block] |
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Resale and Repurchase Agreements (Tables) |
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| Offsetting [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Offsetting, Resale and Repurchase Agreements [Table Text Block] |
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| Schedule of Underlying Assets of Repurchase Agreements [Table Text Block] | The table below shows the remaining contractual maturities of repurchase agreements outstanding at December 31, 2022 and 2021, in addition to the various types of marketable securities that have been pledged by the Company as collateral for these borrowings.
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Commitments, Contingencies And Guarantees (Tables) |
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Dec. 31, 2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Off-Balance Sheet Instruments Commitments | The following table summarizes these commitments at December 31:
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Related Parties (Tables) |
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| Related Party Transactions [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Related Party Expenses | The Company’s Chief Executive Officer, its Executive Chairman, and its former Vice Chairman are directors of Tower Properties Company (Tower) and, together with members of their immediate families, beneficially own approximately 66% of the outstanding stock of Tower. At December 31, 2022, Tower owned 245,410 shares of Company stock. Tower is primarily engaged in the business of owning, developing, leasing and managing real property. Payments from the Company and its affiliates to Tower are summarized below. These payments, with the exception of dividend payments, relate to property management services, including construction oversight, on three Company-owned office buildings and related parking garages in downtown Kansas City.
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Parent Company Condensed Financial Statements (Tables) |
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| Condensed Financial Information Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Condensed Balance Sheets |
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| Condensed Statements Of Income |
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| Condensed Statements Of Cash Flows |
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Summary of Significant Accounting Policies Significant Accounting Policies (Narrative) (Details) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
|
Dec. 31, 2022
USD ($)
Locations
|
Dec. 31, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
Jan. 01, 2020
USD ($)
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Dec. 31, 2019
USD ($)
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| Accounting Policies [Abstract] | |||||
| Locations | Locations | 275 | ||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Retained Earnings | $ 2,481,577 | $ 3,448,324 | $ 3,399,972 | $ 3,138,472 | |
| Allowance for Credit Loss | 150,136 | 150,044 | 220,834 | ||
| Off-Balance Sheet, Credit Loss, Liability | 33,120 | 24,204 | 38,307 | ||
| Restricted Cash and Cash Equivalents | 6,700 | 17,400 | |||
| Cash Held at Federal Reserve Bank | $ 389,100 | ||||
| Amortization period of annual fees on credit card loans, months | 12 months | ||||
| Consumer Loans Charged Down to Fair Value [Line Items] | |||||
| Delinquency Period Revolving Home Equity Loans Charged Down to Fair Value | 180 days | ||||
| Period past due credit card loans are charged off, days | 180 days | ||||
| Period past due loans are placed on non-accrual, days | 90 days | ||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Common stock dividend rate percentage | 5.00% | ||||
| Commercial Portfolio Segment [Member] | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Allowance for Credit Loss | $ 103,293 | 97,776 | 121,549 | ||
| Off-Balance Sheet, Credit Loss, Liability | 31,743 | 23,271 | 37,259 | ||
| Personal Banking Portfolio Segment [Member] | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Allowance for Credit Loss | 46,843 | 52,268 | 99,285 | ||
| Off-Balance Sheet, Credit Loss, Liability | 1,377 | 933 | 1,048 | ||
| Retained Earnings | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Retained Earnings | $ 31,620 | $ 92,493 | $ 73,000 | $ 201,562 | |
| Minimum [Member] | |||||
| Consumer Loans Charged Down to Fair Value [Line Items] | |||||
| Consumer loans charged down to fair value, days delinquent | 120 days | ||||
| Maximum [Member] | |||||
| Consumer Loans Charged Down to Fair Value [Line Items] | |||||
| Consumer loans charged down to fair value, days delinquent | 180 days | ||||
| Buildings [Member] | Minimum [Member] | |||||
| Property, Plant and Equipment [Line Items] | |||||
| Depreciable lives for asset, years | 30 years | ||||
| Buildings [Member] | Maximum [Member] | |||||
| Property, Plant and Equipment [Line Items] | |||||
| Depreciable lives for asset, years | 40 years | ||||
| Building Improvements [Member] | |||||
| Property, Plant and Equipment [Line Items] | |||||
| Depreciable lives for asset, years | 10 years | ||||
| Equipment [Member] | Minimum [Member] | |||||
| Property, Plant and Equipment [Line Items] | |||||
| Depreciable lives for asset, years | 3 years | ||||
| Equipment [Member] | Maximum [Member] | |||||
| Property, Plant and Equipment [Line Items] | |||||
| Depreciable lives for asset, years | 10 years | ||||
| Leasehold Improvements [Member] | |||||
| Property, Plant and Equipment [Line Items] | |||||
| Depreciable lives for asset, years | 10 years | ||||
| Core Deposits [Member] | Minimum [Member] | |||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Finite-Lived Intangible Asset, Useful Life | 8 years | ||||
| Core Deposits [Member] | Maximum [Member] | |||||
| Finite-Lived Intangible Assets [Line Items] | |||||
| Finite-Lived Intangible Asset, Useful Life | 14 years | ||||
| Accounting Standards Update 2016-13 | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Off-Balance Sheet, Credit Loss, Liability | $ 16,100 | ||||
| Deferred Income Tax Assets, Net | (1,200) | ||||
| Accounting Standards Update 2016-13 | Commercial Portfolio Segment [Member] | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Allowance for Credit Loss | (29,700) | ||||
| Accounting Standards Update 2016-13 | Personal Banking Portfolio Segment [Member] | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Allowance for Credit Loss | 8,700 | ||||
| Accounting Standards Update 2016-13 | Retained Earnings | |||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||
| Retained Earnings | $ 3,800 |
Loans And Allowance For Credit Losses (Narrative) (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Loans pledged at the Federal Reserve Bank as collateral for discount window borrowings | $ 1,300,000,000 | |
| Pledged Financial Instruments, Not Separately Reported, Loans Receivable, for Federal Home Loan Bank Debt | 3,000,000,000 | |
| Loans To Principal Holders (over 10% ownership in the Company's stock) | 0 | |
| Unfunded Loan Commitments | 14,300,000,000 | |
| Unused Approved Credit Card Lines of Credit | 5,200,000,000 | |
| Loans pledged at the Federal Reserve Bank as collateral for discount window borrowings | 1,300,000,000 | |
| Lease Receivable, net of deferred origination costs | 779,888,000 | $ 725,558,000 |
| Loans and Leases Receivable, Deferred Income | $ 73,200,000 | 55,000,000 |
| Period after which loans are deemed in default | 90 days | |
| Decrease in interest income resulting from modification to credit card loans | $ (661,000) | |
| Commitments to lend additional funds to customers with restructured loans | 12,600,000 | |
| Student Loans Held for Sale, Lower of Cost or Fair Value | 4,900,000 | |
| Personal Real Estate Loans HFS Past Due | 0 | |
| HFS Student Loans Past Due | 0 | |
| HFS Student Loans on Non-Accrual Status | 0 | |
| Personal Real Estate Loans HFS on Non-Accrual Status | 0 | |
| Foreclosed real estate | 96,000 | 115,000 |
| Personal property acquired in repossession | 1,600,000 | 1,100,000 |
| Commercial Portfolio Segment [Member] | ||
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Accrued Interest Receivable on Held for Investment Loans, Write Off | 145,000 | |
| Personal Banking Portfolio Segment [Member] | ||
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Accrued Interest Receivable on Held for Investment Loans, Write Off | 3,200,000 | |
| Business [Member] | ||
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Financing Receivable, Nonaccrual, No Allowance | 3,800,000 | 5,300,000 |
| Total loans | ||
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Interest Receivable | $ 55,500,000 | $ 25,900,000 |
Loans And Allowance For Credit Losses (Summary Classification Of Held To Maturity Loan Portfolio) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | $ 16,303,131 | $ 15,176,359 |
| Business [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | 5,661,725 | 5,303,535 |
| Real Estate - Construction And Land [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | 1,361,095 | 1,118,266 |
| Real Estate - Business [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | 3,406,981 | 3,058,837 |
| Real Estate - Personal [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | 2,918,078 | 2,805,401 |
| Consumer [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | 2,059,088 | 2,032,225 |
| Revolving Home Equity [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | 297,207 | 275,945 |
| Consumer Credit Card [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | 584,000 | 575,410 |
| Overdrafts [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total loans | $ 14,957 | $ 6,740 |
Loans And Allowance For Credit Losses (Loans to Directors and Executive Officers) (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2022
USD ($)
| |
| Loans and Leases Receivable, Related Parties [Roll Forward] | |
| Loans to directors and executive officers, beginning balance | $ 36,141 |
| Additions | 16,999 |
| Amounts collected | (15,372) |
| Amounts written off | 0 |
| Loans to directors and executive officers, ending balance | $ 37,768 |
Loans And Allowance For Credit Losses (Summary of Activity in the Allowance For Credit Losses) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Allowance for Credit Loss [Line Items] | |||
| Balance, Asset | $ 150,136 | $ 150,044 | $ 220,834 |
| Provision for credit losses on loans | 19,155 | (52,223) | |
| Loans charged off | 29,242 | 35,627 | |
| Recoveries on Loans | 10,179 | 17,060 | |
| Net loan charge-offs | 19,063 | 18,567 | |
| Balance, Liability | 33,120 | 24,204 | 38,307 |
| Provision for credit losses on unfunded lending commitments | 8,916 | (14,103) | |
| ALLOWANCE FOR CREDIT LOSSES ON LOANS AND LIABILITY FOR UNFUNDED LENDING COMMITMENTS | 183,256 | 174,248 | |
| Commercial Portfolio Segment [Member] | |||
| Allowance for Credit Loss [Line Items] | |||
| Balance, Asset | 103,293 | 97,776 | 121,549 |
| Provision for credit losses on loans | 6,550 | (28,594) | |
| Loans charged off | 1,480 | 968 | |
| Recoveries on Loans | 447 | 5,789 | |
| Net loan charge-offs | 1,033 | (4,821) | |
| Balance, Liability | 31,743 | 23,271 | 37,259 |
| Provision for credit losses on unfunded lending commitments | 8,472 | (13,988) | |
| ALLOWANCE FOR CREDIT LOSSES ON LOANS AND LIABILITY FOR UNFUNDED LENDING COMMITMENTS | 135,036 | 121,047 | |
| Personal Banking Portfolio Segment [Member] | |||
| Allowance for Credit Loss [Line Items] | |||
| Balance, Asset | 46,843 | 52,268 | 99,285 |
| Provision for credit losses on loans | 12,605 | (23,629) | |
| Loans charged off | 27,762 | 34,659 | |
| Recoveries on Loans | 9,732 | 11,271 | |
| Net loan charge-offs | 18,030 | 23,388 | |
| Balance, Liability | 1,377 | 933 | $ 1,048 |
| Provision for credit losses on unfunded lending commitments | 444 | (115) | |
| ALLOWANCE FOR CREDIT LOSSES ON LOANS AND LIABILITY FOR UNFUNDED LENDING COMMITMENTS | $ 48,220 | $ 53,201 | |
Loans And Allowance For Credit Losses (Aging Information On Past Due And Accruing Loans) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | $ 16,229,187 | $ 15,116,475 |
| 30 – 89 Days Past Due | 49,808 | 39,001 |
| 90 Days Past Due and Still Accruing | 15,830 | 11,726 |
| Non-accrual | 8,306 | 9,157 |
| Total | 16,303,131 | 15,176,359 |
| Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,087,509 | 1,268,784 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 968,994 | 1,238,890 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 991,093 | 547,174 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 397,621 | 237,855 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 170,158 | 196,963 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 634,299 | 632,236 |
| Revolving Loans Amortized Cost Basis | 1,623,656 | 1,573,819 |
| Financing Receivable, before Allowance for Credit Loss | 5,873,330 | 5,695,721 |
| Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,060 | 416 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,218 | 1,485 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,541 | 555 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 139 | 374 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,655 | 171 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,621 | 1,532 |
| Revolving Loans Amortized Cost Basis | 7,091 | 6,716 |
| Financing Receivable, before Allowance for Credit Loss | 15,325 | 11,249 |
| Business [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total | 5,661,725 | 5,303,535 |
| Real Estate - Construction And Land [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total | 1,361,095 | 1,118,266 |
| Real Estate - Business [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total | 3,406,981 | 3,058,837 |
| Real Estate - Personal [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total | 2,918,078 | 2,805,401 |
| Real Estate - Personal [Member] | Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 535,797 | 690,306 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 590,625 | 889,781 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 785,041 | 354,841 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 290,830 | 157,718 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 133,795 | 149,488 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 571,816 | 553,797 |
| Revolving Loans Amortized Cost Basis | 10,174 | 9,470 |
| Financing Receivable, before Allowance for Credit Loss | 2,918,078 | 2,805,401 |
| Real Estate - Personal [Member] | Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 514 | 133 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 967 | 1,150 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,338 | 298 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 81 | 124 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,388 | 97 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,393 | 1,181 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | 6,681 | 2,983 |
| Consumer Loan [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total | 2,059,088 | 2,032,225 |
| Consumer Loan [Member] | Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 536,755 | 571,738 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 378,369 | 349,109 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 206,052 | 192,333 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 106,791 | 80,137 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 36,363 | 47,475 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 62,483 | 78,439 |
| Revolving Loans Amortized Cost Basis | 732,275 | 712,994 |
| Financing Receivable, before Allowance for Credit Loss | 2,059,088 | 2,032,225 |
| Consumer Loan [Member] | Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 326 | 283 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 251 | 335 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 203 | 257 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 58 | 250 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 267 | 74 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 228 | 351 |
| Revolving Loans Amortized Cost Basis | 839 | 661 |
| Financing Receivable, before Allowance for Credit Loss | 2,172 | 2,211 |
| Revolving Home Equity [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total | 297,207 | 275,945 |
| Revolving Home Equity [Member] | Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 297,207 | 275,945 |
| Financing Receivable, before Allowance for Credit Loss | 297,207 | 275,945 |
| Revolving Home Equity [Member] | Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 703 | 801 |
| Financing Receivable, before Allowance for Credit Loss | 703 | 801 |
| Consumer Credit Card [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total | 584,000 | 575,410 |
| Consumer Credit Card [Member] | Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 584,000 | 575,410 |
| Financing Receivable, before Allowance for Credit Loss | 584,000 | 575,410 |
| Consumer Credit Card [Member] | Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 5,549 | 5,254 |
| Financing Receivable, before Allowance for Credit Loss | 5,549 | 5,254 |
| Overdrafts [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Total | 14,957 | 6,740 |
| Overdrafts [Member] | Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 14,957 | 6,740 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | 14,957 | 6,740 |
| Overdrafts [Member] | Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 220 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | 220 | 0 |
| Commercial Portfolio Segment [Member] | Business [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | 5,652,710 | 5,292,125 |
| 30 – 89 Days Past Due | 1,759 | 3,621 |
| 90 Days Past Due and Still Accruing | 505 | 477 |
| Non-accrual | 6,751 | 7,312 |
| Commercial Portfolio Segment [Member] | Real Estate - Construction And Land [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | 1,361,095 | 1,117,434 |
| 30 – 89 Days Past Due | 0 | 832 |
| 90 Days Past Due and Still Accruing | 0 | 0 |
| Non-accrual | 0 | 0 |
| Commercial Portfolio Segment [Member] | Real Estate - Business [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | 3,406,207 | 3,058,566 |
| 30 – 89 Days Past Due | 585 | 57 |
| 90 Days Past Due and Still Accruing | 0 | 0 |
| Non-accrual | 189 | 214 |
| Personal Banking Portfolio Segment [Member] | Real Estate - Personal [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | 2,895,742 | 2,796,662 |
| 30 – 89 Days Past Due | 14,289 | 4,125 |
| 90 Days Past Due and Still Accruing | 6,681 | 2,983 |
| Non-accrual | 1,366 | 1,631 |
| Personal Banking Portfolio Segment [Member] | Consumer Loan [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | 2,031,827 | 2,005,556 |
| 30 – 89 Days Past Due | 25,089 | 24,458 |
| 90 Days Past Due and Still Accruing | 2,172 | 2,211 |
| Non-accrual | 0 | 0 |
| Personal Banking Portfolio Segment [Member] | Revolving Home Equity [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | 295,303 | 274,372 |
| 30 – 89 Days Past Due | 1,201 | 772 |
| 90 Days Past Due and Still Accruing | 703 | 801 |
| Non-accrual | 0 | 0 |
| Personal Banking Portfolio Segment [Member] | Consumer Credit Card [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | 572,213 | 565,335 |
| 30 – 89 Days Past Due | 6,238 | 4,821 |
| 90 Days Past Due and Still Accruing | 5,549 | 5,254 |
| Non-accrual | 0 | 0 |
| Personal Banking Portfolio Segment [Member] | Overdrafts [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Current or Less than 30 days Past Due | 14,090 | 6,425 |
| 30 – 89 Days Past Due | 647 | 315 |
| 90 Days Past Due and Still Accruing | 220 | 0 |
| Non-accrual | $ 0 | $ 0 |
Loans And Allowance For Credit Losses (Credit Quality Indicators of the Commercial Loan Portfolio) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | $ 3,096,706 | $ 2,917,439 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,060,412 | 1,869,035 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,219,682 | 1,223,303 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 834,144 | 555,494 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 393,625 | 408,432 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 566,436 | 593,927 |
| Revolving Loans Amortized Cost Basis | 2,258,796 | 1,913,008 |
| Total | 10,429,801 | 9,480,638 |
| Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,087,509 | 1,268,784 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 968,994 | 1,238,890 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 991,093 | 547,174 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 397,621 | 237,855 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 170,158 | 196,963 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 634,299 | 632,236 |
| Revolving Loans Amortized Cost Basis | 1,623,656 | 1,573,819 |
| Total | 5,873,330 | 5,695,721 |
| Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,060 | 416 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,218 | 1,485 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,541 | 555 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 139 | 374 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,655 | 171 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,621 | 1,532 |
| Revolving Loans Amortized Cost Basis | 7,091 | 6,716 |
| Total | 15,325 | 11,249 |
| Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,465,536 | 1,476,920 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 796,948 | 705,474 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 472,643 | 581,191 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 361,945 | 267,274 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 182,044 | 160,729 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 233,171 | 289,793 |
| Revolving Loans Amortized Cost Basis | 2,149,438 | 1,822,154 |
| Total | 5,661,725 | 5,303,535 |
| Real Estate - Construction And Land [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 538,374 | 643,868 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 615,959 | 358,127 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 129,632 | 66,985 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 27,331 | 17,991 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 16,071 | 15,813 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 15,169 | 2,252 |
| Revolving Loans Amortized Cost Basis | 18,559 | 13,230 |
| Total | 1,361,095 | 1,118,266 |
| Real Estate - Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,092,796 | 796,651 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 647,505 | 805,434 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 617,407 | 575,127 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 444,868 | 270,229 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 195,510 | 231,890 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 318,096 | 301,882 |
| Revolving Loans Amortized Cost Basis | 90,799 | 77,624 |
| Total | 3,406,981 | 3,058,837 |
| Consumer Credit Card [Member] | Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 584,000 | 575,410 |
| Total | 584,000 | 575,410 |
| Consumer Credit Card [Member] | Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 5,549 | 5,254 |
| Total | 5,549 | 5,254 |
| Overdrafts [Member] | Personal Banking Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 14,957 | 6,740 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Total | 14,957 | 6,740 |
| Overdrafts [Member] | Personal Banking Portfolio Segment [Member] | Over 90 days past due [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 220 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Total | 220 | 0 |
| Pass [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 3,079,877 | 2,848,164 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,995,390 | 1,762,837 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,149,481 | 1,173,441 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 812,816 | 480,987 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 345,308 | 332,781 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 492,661 | 527,195 |
| Revolving Loans Amortized Cost Basis | 2,255,738 | 1,884,944 |
| Total | 10,131,271 | 9,010,349 |
| Pass [Member] | Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,456,476 | 1,473,869 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 782,409 | 704,157 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 464,201 | 554,759 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 360,844 | 248,739 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 180,375 | 159,238 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 219,053 | 270,454 |
| Revolving Loans Amortized Cost Basis | 2,146,380 | 1,795,073 |
| Total | 5,609,738 | 5,206,289 |
| Pass [Member] | Real Estate - Construction And Land [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 538,022 | 598,734 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 596,465 | 346,507 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 129,632 | 66,985 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 27,331 | 2,110 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,305 | 2,655 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,029 | 2,252 |
| Revolving Loans Amortized Cost Basis | 18,559 | 13,230 |
| Total | 1,313,343 | 1,032,473 |
| Pass [Member] | Real Estate - Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,085,379 | 775,561 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 616,516 | 712,173 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 555,648 | 551,697 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 424,641 | 230,138 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 163,628 | 170,888 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 271,579 | 254,489 |
| Revolving Loans Amortized Cost Basis | 90,799 | 76,641 |
| Total | 3,208,190 | 2,771,587 |
| Special Mention [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 8,073 | 50,445 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,548 | 30,448 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 8,375 | 28,076 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 10,800 | 50,611 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,043 | 3,558 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 279 | 5,335 |
| Revolving Loans Amortized Cost Basis | 1,319 | 16,546 |
| Total | 32,437 | 185,019 |
| Special Mention [Member] | Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 3,113 | 1,785 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,548 | 126 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 7,757 | 17,576 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 1,063 | 12,050 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 67 | 1,490 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 3,232 |
| Revolving Loans Amortized Cost Basis | 1,319 | 16,545 |
| Total | 15,867 | 52,804 |
| Special Mention [Member] | Real Estate - Construction And Land [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 352 | 44,649 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 985 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Total | 352 | 45,634 |
| Special Mention [Member] | Real Estate - Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 4,608 | 4,011 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 30,322 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 618 | 10,500 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 9,737 | 37,576 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 976 | 2,068 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 279 | 2,103 |
| Revolving Loans Amortized Cost Basis | 0 | 1 |
| Total | 16,218 | 86,581 |
| Substandard [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 8,547 | 18,400 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 60,442 | 75,750 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 61,826 | 21,785 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 10,527 | 22,158 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 46,358 | 72,093 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 69,714 | 56,040 |
| Revolving Loans Amortized Cost Basis | 1,739 | 11,518 |
| Total | 259,153 | 277,744 |
| Substandard [Member] | Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 5,752 | 836 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 10,004 | 1,191 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 685 | 8,855 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 37 | 4,936 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 810 | 1 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 10,342 | 10,775 |
| Revolving Loans Amortized Cost Basis | 1,739 | 10,536 |
| Total | 29,369 | 37,130 |
| Substandard [Member] | Real Estate - Construction And Land [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 485 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 19,494 | 11,620 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 14,896 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 14,766 | 13,158 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 13,140 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Total | 47,400 | 40,159 |
| Substandard [Member] | Real Estate - Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 2,795 | 17,079 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 30,944 | 62,939 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 61,141 | 12,930 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 10,490 | 2,326 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 30,782 | 58,934 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 46,232 | 45,265 |
| Revolving Loans Amortized Cost Basis | 0 | 982 |
| Total | 182,384 | 200,455 |
| Non-Accrual [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 209 | 430 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 2,032 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 1 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 1 | 1,738 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 916 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 3,782 | 5,357 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Total | 6,940 | 7,526 |
| Non-Accrual [Member] | Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 195 | 430 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,987 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 1 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 1 | 1,549 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 792 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 3,776 | 5,332 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Total | 6,751 | 7,312 |
| Non-Accrual [Member] | Real Estate - Business [Member] | Commercial Portfolio Segment [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 14 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 45 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 189 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 124 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 6 | 25 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Total | $ 189 | $ 214 |
Loans And Allowance for Credit Losses (Credit Quality Indicators Personal Banking Loan Portfolio) (Details) - Personal Banking Portfolio Segment [Member] - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | $ 1,087,509 | $ 1,268,784 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 968,994 | 1,238,890 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 991,093 | 547,174 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 397,621 | 237,855 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 170,158 | 196,963 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 634,299 | 632,236 |
| Revolving Loans Amortized Cost Basis | 1,623,656 | 1,573,819 |
| Financing Receivable, before Allowance for Credit Loss | 5,873,330 | 5,695,721 |
| Real Estate - Personal [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 535,797 | 690,306 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 590,625 | 889,781 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 785,041 | 354,841 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 290,830 | 157,718 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 133,795 | 149,488 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 571,816 | 553,797 |
| Revolving Loans Amortized Cost Basis | 10,174 | 9,470 |
| Financing Receivable, before Allowance for Credit Loss | 2,918,078 | 2,805,401 |
| Consumer Loan [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 536,755 | 571,738 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 378,369 | 349,109 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 206,052 | 192,333 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 106,791 | 80,137 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 36,363 | 47,475 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 62,483 | 78,439 |
| Revolving Loans Amortized Cost Basis | 732,275 | 712,994 |
| Financing Receivable, before Allowance for Credit Loss | 2,059,088 | 2,032,225 |
| Revolving Home Equity [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 297,207 | 275,945 |
| Financing Receivable, before Allowance for Credit Loss | 297,207 | 275,945 |
| Consumer Credit Card [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 584,000 | 575,410 |
| Financing Receivable, before Allowance for Credit Loss | 584,000 | 575,410 |
| Overdrafts [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 14,957 | 6,740 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | 14,957 | 6,740 |
| Current to 90 Days Past Due [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,086,449 | 1,268,253 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 967,776 | 1,237,405 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 989,500 | 546,368 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 397,313 | 237,372 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 168,401 | 196,792 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 630,635 | 629,548 |
| Revolving Loans Amortized Cost Basis | 1,616,565 | 1,567,103 |
| Financing Receivable, before Allowance for Credit Loss | 5,856,639 | 5,682,841 |
| Current to 90 Days Past Due [Member] | Real Estate - Personal [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 535,283 | 690,058 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 589,658 | 888,631 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 783,651 | 354,292 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 290,580 | 157,485 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 132,305 | 149,391 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 568,380 | 551,460 |
| Revolving Loans Amortized Cost Basis | 10,174 | 9,470 |
| Financing Receivable, before Allowance for Credit Loss | 2,910,031 | 2,800,787 |
| Current to 90 Days Past Due [Member] | Consumer Loan [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 536,429 | 571,455 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 378,118 | 348,774 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 205,849 | 192,076 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 106,733 | 79,887 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 36,096 | 47,401 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 62,255 | 78,088 |
| Revolving Loans Amortized Cost Basis | 731,436 | 712,333 |
| Financing Receivable, before Allowance for Credit Loss | 2,056,916 | 2,030,014 |
| Current to 90 Days Past Due [Member] | Revolving Home Equity [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 296,504 | 275,144 |
| Financing Receivable, before Allowance for Credit Loss | 296,504 | 275,144 |
| Current to 90 Days Past Due [Member] | Consumer Credit Card [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 578,451 | 570,156 |
| Financing Receivable, before Allowance for Credit Loss | 578,451 | 570,156 |
| Current to 90 Days Past Due [Member] | Overdrafts [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 14,737 | 6,740 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | 14,737 | 6,740 |
| Over 90 days past due [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 1,060 | 416 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,218 | 1,485 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,541 | 555 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 139 | 374 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,655 | 171 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,621 | 1,532 |
| Revolving Loans Amortized Cost Basis | 7,091 | 6,716 |
| Financing Receivable, before Allowance for Credit Loss | 15,325 | 11,249 |
| Over 90 days past due [Member] | Real Estate - Personal [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 514 | 133 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 967 | 1,150 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,338 | 298 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 81 | 124 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1,388 | 97 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,393 | 1,181 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | 6,681 | 2,983 |
| Over 90 days past due [Member] | Consumer Loan [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 326 | 283 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 251 | 335 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 203 | 257 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 58 | 250 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 267 | 74 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 228 | 351 |
| Revolving Loans Amortized Cost Basis | 839 | 661 |
| Financing Receivable, before Allowance for Credit Loss | 2,172 | 2,211 |
| Over 90 days past due [Member] | Revolving Home Equity [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 703 | 801 |
| Financing Receivable, before Allowance for Credit Loss | 703 | 801 |
| Over 90 days past due [Member] | Consumer Credit Card [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 5,549 | 5,254 |
| Financing Receivable, before Allowance for Credit Loss | 5,549 | 5,254 |
| Over 90 days past due [Member] | Overdrafts [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 220 | 0 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | 220 | 0 |
| Non-Accrual [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 115 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 52 | 251 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 169 | 109 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 102 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,043 | 1,156 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | 1,366 | 1,631 |
| Non-Accrual [Member] | Real Estate - Personal [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 115 |
| Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0 |
| Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 52 | 251 |
| Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 169 | 109 |
| Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 102 | 0 |
| Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,043 | 1,156 |
| Revolving Loans Amortized Cost Basis | 0 | 0 |
| Financing Receivable, before Allowance for Credit Loss | $ 1,366 | $ 1,631 |
Loans And Allowance For Credit Losses (Collateral-Dependent Loans) (Details) - Commercial Portfolio Segment [Member] - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Collateral Dependent Loans, Amortized Cost | $ 4,602 | $ 4,063 |
| Business [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Collateral Dependent Loans, Business, Amortized Cost | 4,602 | 4,063 |
| Business Assets [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Collateral Dependent Loans, Amortized Cost | 2,778 | 1,604 |
| Business Assets [Member] | Business [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Collateral Dependent Loans, Business, Amortized Cost | 2,778 | 1,604 |
| Oil & Gas Assets [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Collateral Dependent Loans, Amortized Cost | 1,824 | 2,459 |
| Oil & Gas Assets [Member] | Business [Member] | ||
| Financing Receivable, Credit Quality Indicator [Line Items] | ||
| Collateral Dependent Loans, Business, Amortized Cost | $ 1,824 | $ 2,459 |
Loans And Allowance For Credit Losses (Summary Of Loans In The Personal Banking Portfolio Percentage Of Balances Outstanding ) (Details) - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Loans And Allowance For Credit Losses [Abstract] | ||
| Credit Quality Personal Real Estate Loans Excluded | $ 179.2 | $ 185.6 |
| Consumer Healthcare Loans Excluded | $ 197.5 | $ 186.6 |
| Credit quality personal banking loan table percentage loans excluded | 7.00% | |
| Real Estate - Personal [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 100.00% | 100.00% |
| Real Estate - Personal [Member] | Under 600 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 1.40% | 1.00% |
| Real Estate - Personal [Member] | 600 - 659 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 2.20% | 2.40% |
| Real Estate - Personal [Member] | 660 - 719 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 8.10% | 7.40% |
| Real Estate - Personal [Member] | 720 - 779 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 23.70% | 25.20% |
| Real Estate - Personal [Member] | 780 and over [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 64.60% | 64.00% |
| Consumer [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 100.00% | 100.00% |
| Consumer [Member] | Under 600 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 2.20% | 1.90% |
| Consumer [Member] | 600 - 659 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 4.20% | 3.90% |
| Consumer [Member] | 660 - 719 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 14.50% | 13.80% |
| Consumer [Member] | 720 - 779 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 26.70% | 25.30% |
| Consumer [Member] | 780 and over [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 52.40% | 55.10% |
| Revolving Home Equity [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 100.00% | 100.00% |
| Revolving Home Equity [Member] | Under 600 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 1.50% | 0.90% |
| Revolving Home Equity [Member] | 600 - 659 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 2.80% | 2.60% |
| Revolving Home Equity [Member] | 660 - 719 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 9.70% | 9.40% |
| Revolving Home Equity [Member] | 720 - 779 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 21.40% | 20.40% |
| Revolving Home Equity [Member] | 780 and over [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 64.60% | 66.70% |
| Consumer Credit Card [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 100.00% | 100.00% |
| Consumer Credit Card [Member] | Under 600 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 3.40% | 3.40% |
| Consumer Credit Card [Member] | 600 - 659 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 11.40% | 11.30% |
| Consumer Credit Card [Member] | 660 - 719 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 30.80% | 29.90% |
| Consumer Credit Card [Member] | 720 - 779 [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 27.10% | 28.20% |
| Consumer Credit Card [Member] | 780 and over [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Percentage of Loan Category | 27.30% | 27.20% |
Loans And Allowance For Credit Losses (Troubled Debt Restructurings by Type of Modification) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Restructured loans | $ 198,671 | $ 64,887 |
| Commercial | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Restructured loans | 184,388 | 46,867 |
| Assistance programs | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Restructured loans | 5,156 | 6,146 |
| Other consumer | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Restructured loans | 4,049 | 4,787 |
| Non-accrual loans | ||
| Financing Receivable, Troubled Debt Restructuring [Line Items] | ||
| Restructured loans | $ 5,078 | $ 7,087 |
Loans And Allowance For Credit Losses (Outstanding Balance Of Loans Classified As Troubled Debt Restructurings) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Loans And Allowance For Loan Losses [Line Items] | ||
| Restructured loans | $ 198,671 | $ 64,887 |
| Balance 90 days past due at any time during previous 12 months | 1,139 | |
| Commercial Portfolio Segment [Member] | Business [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Restructured loans | 12,311 | |
| Balance 90 days past due at any time during previous 12 months | 0 | |
| Commercial Portfolio Segment [Member] | Real Estate - Construction And Land [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Restructured loans | 57,547 | |
| Balance 90 days past due at any time during previous 12 months | 0 | |
| Commercial Portfolio Segment [Member] | Real Estate - Business [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Restructured loans | 118,654 | |
| Balance 90 days past due at any time during previous 12 months | 0 | |
| Personal Banking Portfolio Segment [Member] | Real Estate - Personal [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Restructured loans | 2,809 | |
| Balance 90 days past due at any time during previous 12 months | 419 | |
| Personal Banking Portfolio Segment [Member] | Consumer [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Restructured loans | 2,250 | |
| Balance 90 days past due at any time during previous 12 months | 268 | |
| Personal Banking Portfolio Segment [Member] | Revolving Home Equity [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Restructured loans | 17 | |
| Balance 90 days past due at any time during previous 12 months | 0 | |
| Personal Banking Portfolio Segment [Member] | Consumer Credit Card [Member] | ||
| Loans And Allowance For Loan Losses [Line Items] | ||
| Restructured loans | 5,083 | |
| Balance 90 days past due at any time during previous 12 months | $ 452 |
Investment Securities (Narrative) (Details) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2022
USD ($)
Investments_In_Single_Issuer
|
Dec. 31, 2021
USD ($)
|
|
| Investment [Line Items] | ||
| Percentage decrease requiring a review for impairment | 20.00% | |
| Fair value of securities on other-than-temporary impairment watch list | $ 1,300,000,000 | $ 13,400,000 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 12,027,745,000 | 9,047,662,000 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 1,500,632,000 | 132,929,000 |
| Available for sale securities in loss position at period end, change in unrealized loss | 1,400,000,000 | |
| Securities pledged as collateral | $ 4,700,000,000 | 6,400,000,000 |
| Number of investments in a single issuer that exceed 10% of stockholder's equity | Investments_In_Single_Issuer | 0 | |
| No investment in a single issuer exceeds this percentage of stockholder's equity | 10.00% | |
| Asset Pledged as Collateral with Right | ||
| Investment [Line Items] | ||
| Financial Instruments, Owned, at Fair Value | $ 211,000,000 | |
| Visa Class B Shares [Member] | ||
| Investment [Line Items] | ||
| Equity Securities without Readily Determinable Fair Value, Amount | 0 | |
| US Treasury and Government [Member] | ||
| Investment [Line Items] | ||
| U.S. Treasury inflation-protected securities held | 373,800,000 | |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 986,413,000 | 296,492,000 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 43,430,000 | 2,241,000 |
| Investment Securities | ||
| Investment [Line Items] | ||
| Interest Receivable | $ 38,800,000 | $ 39,500,000 |
Investment Securities (Investment Securities, At Fair Value) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Investments, Debt and Equity Securities [Abstract] | ||
| Debt Securities, Available-for-sale | $ 12,238,316 | $ 14,450,027 |
| Trading securities | 43,523 | 46,235 |
| Equity securities with readily determinable fair values | 6,210 | 7,153 |
| Equtiy Securities without Readily Determinable Fair Values | 6,094 | 2,049 |
| Federal Reserve Bank Stock | 34,795 | 34,379 |
| Federal Home Loan Bank Stock | 10,678 | 10,428 |
| Equity Method Investments | 1,434 | 1,834 |
| Private Equity Investments | 178,127 | 147,406 |
| Total investment securities | $ 12,519,177 | $ 14,699,511 |
Investment Securities (Summary Of Available For Sale Investment Securities By Maturity Groupings) (Details) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 13,738,206,000 | $ 14,419,133,000 | ||
| Debt Securities, Available-for-sale, Fair Value | 12,238,316,000 | 14,450,027,000 | ||
| U.S. Government And Federal Agency Obligations [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | 1,078,807,000 | 1,035,477,000 | ||
| Debt Securities, Available-for-sale, Fair Value | $ 1,035,406,000 | 1,080,720,000 | ||
| Weighted Average Yield | [1] | 1.23% | ||
| U.S. Government And Federal Agency Obligations [Member] | Maturity Within 1 Year [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 350,398,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 343,843,000 | |||
| Weighted Average Yield | [1] | 1.80% | ||
| U.S. Government And Federal Agency Obligations [Member] | Maturity After 1 But Within 5 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 537,661,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 515,773,000 | |||
| Weighted Average Yield | [1] | 1.19% | ||
| U.S. Government And Federal Agency Obligations [Member] | Maturity After 5 But Within 10 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 190,748,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 175,790,000 | |||
| Weighted Average Yield | [1] | 0.28% | ||
| US Government-sponsored Enterprise Debt Securities [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 55,729,000 | 50,773,000 | ||
| Debt Securities, Available-for-sale, Fair Value | $ 43,108,000 | 51,755,000 | ||
| Weighted Average Yield | 2.38% | |||
| US Government-sponsored Enterprise Debt Securities [Member] | Maturity After 5 But Within 10 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 4,987,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 4,531,000 | |||
| Weighted Average Yield | 2.94% | |||
| US Government-sponsored Enterprise Debt Securities [Member] | Maturity After 10 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 50,742,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 38,577,000 | |||
| Weighted Average Yield | 2.32% | |||
| State and municipal obligations [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 1,965,028,000 | 2,072,210,000 | ||
| Debt Securities, Available-for-sale, Fair Value | $ 1,767,109,000 | 2,096,827,000 | ||
| Weighted Average Yield | 2.00% | |||
| State and municipal obligations [Member] | Maturity Within 1 Year [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 223,656,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 222,705,000 | |||
| Weighted Average Yield | 2.54% | |||
| State and municipal obligations [Member] | Maturity After 1 But Within 5 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 635,080,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 608,254,000 | |||
| Weighted Average Yield | 2.02% | |||
| State and municipal obligations [Member] | Maturity After 5 But Within 10 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 937,670,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 792,158,000 | |||
| Weighted Average Yield | 1.83% | |||
| State and municipal obligations [Member] | Maturity After 10 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 168,622,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 143,992,000 | |||
| Weighted Average Yield | 2.11% | |||
| Agency mortgage-backed securities [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 5,087,893,000 | 5,698,088,000 | ||
| Debt Securities, Available-for-sale, Fair Value | $ 4,308,427,000 | 5,683,000,000 | ||
| Weighted Average Yield | 2.07% | |||
| Non-agency mortgage-backed securities [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 1,423,469,000 | 1,383,037,000 | ||
| Debt Securities, Available-for-sale, Fair Value | $ 1,211,607,000 | 1,366,477,000 | ||
| Weighted Average Yield | 2.30% | |||
| Asset-backed Securities [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 3,588,025,000 | 3,546,024,000 | ||
| Debt Securities, Available-for-sale, Fair Value | $ 3,397,801,000 | 3,539,219,000 | ||
| Weighted Average Yield | 2.07% | |||
| Total mortgage and asset-backed securities [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 10,099,387,000 | 10,627,149,000 | ||
| Debt Securities, Available-for-sale, Fair Value | $ 8,917,835,000 | 10,588,696,000 | ||
| Weighted Average Yield | 2.10% | |||
| Other Debt Securities [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 539,255,000 | 633,524,000 | ||
| Debt Securities, Available-for-sale, Fair Value | $ 474,858,000 | $ 632,029,000 | ||
| Weighted Average Yield | 1.88% | |||
| Other Debt Securities [Member] | Maturity Within 1 Year [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 16,795,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 16,699,000 | |||
| Weighted Average Yield | 2.50% | |||
| Other Debt Securities [Member] | Maturity After 1 But Within 5 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 265,853,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 244,826,000 | |||
| Weighted Average Yield | 1.90% | |||
| Other Debt Securities [Member] | Maturity After 5 But Within 10 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 247,347,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 206,042,000 | |||
| Weighted Average Yield | 1.82% | |||
| Other Debt Securities [Member] | Maturity After 10 Years [Member] | ||||
| Investment [Line Items] | ||||
| Debt Securities, Available-for-sale, Amortized Cost | $ 9,260,000 | |||
| Debt Securities, Available-for-sale, Fair Value | $ 7,291,000 | |||
| Weighted Average Yield | 1.89% | |||
| ||||
Investment Securities (Securities With Unrealized Losses And Length Of Impairment Period) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | $ 4,402,724 | $ 8,581,829 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 250,660 | 118,680 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 7,625,021 | 465,833 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 1,249,972 | 14,249 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 12,027,745 | 9,047,662 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 1,500,632 | 132,929 |
| US Treasury and Government [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 605,840 | 296,492 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 17,490 | 2,241 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 380,573 | 0 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 25,940 | 0 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 986,413 | 296,492 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 43,430 | 2,241 |
| US Government-sponsored Enterprise Debt Securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 25,068 | 0 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 4,650 | 0 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 18,040 | 18,899 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 7,971 | 919 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 43,108 | 18,899 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 12,621 | 919 |
| State and municipal obligations [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 814,799 | 876,691 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 26,708 | 15,874 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 875,329 | 32,684 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 171,385 | 1,049 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 1,690,128 | 909,375 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 198,093 | 16,923 |
| Agency mortgage-backed securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 1,323,938 | 3,333,691 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 125,330 | 59,044 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 2,966,851 | 265,835 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 654,327 | 8,720 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 4,290,789 | 3,599,526 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 779,657 | 67,764 |
| Non-agency mortgage-backed securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 135,984 | 1,285,611 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 16,736 | 17,222 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 1,069,222 | 1,948 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 195,218 | 19 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 1,205,206 | 1,287,559 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 211,954 | 17,241 |
| Asset-backed Securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 1,331,055 | 2,518,935 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 50,056 | 19,201 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 2,006,188 | 87,893 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 140,424 | 525 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 3,337,243 | 2,606,828 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 190,480 | 19,726 |
| Total mortgage and asset-backed securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 2,790,977 | 7,138,237 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 192,122 | 95,467 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 6,042,261 | 355,676 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 989,969 | 9,264 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 8,833,238 | 7,493,913 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | 1,182,091 | 104,731 |
| Other debt securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 166,040 | 270,409 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 9,690 | 5,098 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 308,818 | 58,574 |
| Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 54,707 | 3,017 |
| Debt Securities, Available-for-sale, Unrealized Loss Position | 474,858 | 328,983 |
| Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss | $ 64,397 | $ 8,115 |
Investment Securities (Available For Sale Securities Unrealized Gains And Losses, By Security Type) (Details) - USD ($) |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | $ 13,738,206,000 | $ 14,419,133,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 742,000 | 163,823,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (1,500,632,000) | (132,929,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | 12,238,316,000 | 14,450,027,000 |
| U.S. Government And Federal Agency Obligations [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | 1,078,807,000 | 1,035,477,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 29,000 | 47,484,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (43,430,000) | (2,241,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | 1,035,406,000 | 1,080,720,000 |
| US Government-sponsored Enterprise Debt Securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | 55,729,000 | 50,773,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 0 | 1,901,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (12,621,000) | (919,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | 43,108,000 | 51,755,000 |
| State and municipal obligations [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | 1,965,028,000 | 2,072,210,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 174,000 | 41,540,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (198,093,000) | (16,923,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | 1,767,109,000 | 2,096,827,000 |
| Agency mortgage-backed securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | 5,087,893,000 | 5,698,088,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 191,000 | 52,676,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (779,657,000) | (67,764,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | 4,308,427,000 | 5,683,000,000 |
| Non-agency mortgage-backed securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | 1,423,469,000 | 1,383,037,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 92,000 | 681,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (211,954,000) | (17,241,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | 1,211,607,000 | 1,366,477,000 |
| Asset-backed Securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | 3,588,025,000 | 3,546,024,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 256,000 | 12,921,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (190,480,000) | (19,726,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | 3,397,801,000 | 3,539,219,000 |
| Total mortgage and asset-backed securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | 10,099,387,000 | 10,627,149,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 539,000 | 66,278,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (1,182,091,000) | (104,731,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | 8,917,835,000 | 10,588,696,000 |
| Other Debt Securities [Member] | ||
| Investment [Line Items] | ||
| Debt Securities, Available-for-sale, Amortized Cost | 539,255,000 | 633,524,000 |
| Available For Sale Securities, Gross Unreailzed Gain at Period End | 0 | 6,620,000 |
| Available For Sale Securities, Gross Unrealized Loss at Period End | (64,397,000) | (8,115,000) |
| Debt Securities, Available-for-sale, Allowance for Credit Loss | 0 | 0 |
| Debt Securities, Available-for-sale, Fair Value | $ 474,858,000 | $ 632,029,000 |
Investment Securities (Proceeds From Sales Of Securities And Components Of Investment Securities Gains And Losses) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|||
| Investment [Line Items] | |||||
| Proceeds from Sale of Available-for-sale Securities | $ 86,240 | $ 69,809 | $ 602,475 | ||
| Proceeds from sale of equity securities | 17 | 0 | 2 | ||
| Proceeds from sales of other securities | 20,714 | 11,002 | 0 | ||
| Total proceeds | [1] | 106,971 | 80,811 | 602,477 | |
| Investment securities gains (losses), net | [1] | 20,506 | 30,059 | 11,032 | |
| Available-for-sale Securities [Member] | |||||
| Investment [Line Items] | |||||
| Gains realized on sales | 0 | 0 | 21,096 | ||
| Loss realized on sales | (20,273) | (3,284) | 0 | ||
| Equity securities [Member] | |||||
| Investment [Line Items] | |||||
| Gains realized on sales | 17 | 0 | 2 | ||
| Fair value adjustments, net | (943) | 187 | 37 | ||
| Other Investments [Member] | |||||
| Investment [Line Items] | |||||
| Gains realized on sales | 1,670 | 1,611 | 0 | ||
| Other securities, loss realized on sales | (3,798) | (159) | 0 | ||
| Fair value adjustments, net | $ 43,833 | $ 31,704 | $ (10,103) | ||
| |||||
Premises and Equipment (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Property, Plant and Equipment [Abstract] | |||
| Depreciation expense | $ 32,300 | $ 31,900 | $ 32,200 |
| Repairs and maintenance expense | 17,700 | 16,000 | 16,400 |
| Interest Costs Capitalized | $ 1,400 | $ 29 | $ 14 |
Premises and Equipment (Schedule of Premises and Equipment) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Gross land, buildings and equipment | $ 1,027,041 | $ 981,777 |
| Less accumulated depreciation and amortization | 608,132 | 593,039 |
| Net premises and equipment | 418,909 | 388,738 |
| Land [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross land, buildings and equipment | 89,342 | 91,003 |
| Building and improvements [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross land, buildings and equipment | 673,802 | 622,642 |
| Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross land, buildings and equipment | 237,867 | 242,455 |
| Right of use leased assets [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross land, buildings and equipment | $ 26,030 | $ 25,677 |
Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Finite-Lived Intangible Assets [Line Items] | |||
| Impairment of goodwill | $ 0 | $ 0 | $ 0 |
| Aggregate amortization expense for intangible assets | 2,000 | 3,100 | 2,400 |
| Easement | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Originations | 0 | 0 | $ 3,600 |
| (Impairment) Recovery of Intangible Assets, Finite-lived | 0 | 0 | |
| Aggregate amortization expense for intangible assets | 0 | 0 | |
| Mortgage Servicing Rights | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Originations | 1,317 | 5,632 | |
| (Impairment) Recovery of Intangible Assets, Finite-lived | 304 | 1,799 | |
| Aggregate amortization expense for intangible assets | $ (1,658) | $ (2,714) | |
Goodwill And Other Intangible Assets (Schedule Of Intangible Assets With Estimable Useful Lives) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 53,457 | $ 52,140 |
| Accumulated Amortization | (41,823) | (39,866) |
| Valuation allowance | 0 | (304) |
| Finite-Lived Intangible Assets, Net, Total | 11,634 | 11,970 |
| Core Deposit Premium [Member] | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 31,270 | 31,270 |
| Accumulated Amortization | (30,565) | (30,266) |
| Valuation allowance | 0 | 0 |
| Finite-Lived Intangible Assets, Net, Total | 705 | 1,004 |
| Mortgage Servicing Rights | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 22,187 | 20,870 |
| Accumulated Amortization | (11,258) | (9,600) |
| Valuation allowance | 0 | (304) |
| Finite-Lived Intangible Assets, Net, Total | $ 10,929 | $ 10,966 |
Goodwill And Other Intangible Assets (Schedule Of Goodwill Allocated By Operating Segments) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Goodwill [Line Items] | ||
| Goodwill | $ 138,921 | $ 138,921 |
| Consumer Segment [Member] | ||
| Goodwill [Line Items] | ||
| Goodwill | 70,721 | 70,721 |
| Commercial Segment [Member] | ||
| Goodwill [Line Items] | ||
| Goodwill | 67,454 | 67,454 |
| Wealth Segment [Member] | ||
| Goodwill [Line Items] | ||
| Goodwill | $ 746 | $ 746 |
Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill And Net Other Intangible Assets) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Goodwill [Roll Forward] | |||
| Amortization | $ 2,000 | $ 3,100 | $ 2,400 |
| Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other intangible assets – net | ||
| Core Deposit Premium [Member] | |||
| Goodwill [Roll Forward] | |||
| Balance, beginning | 1,004 | $ 1,358 | |
| Originations | 0 | 0 | |
| Amortization | (299) | (354) | |
| (Impairment) Recovery of Intangible Assets, Finite-lived | 0 | 0 | |
| Balance, ending | 705 | 1,004 | 1,358 |
| Mortgage Servicing Rights | |||
| Goodwill [Roll Forward] | |||
| Balance, beginning | 10,966 | 6,249 | |
| Originations | 1,317 | 5,632 | |
| Amortization | (1,658) | (2,714) | |
| (Impairment) Recovery of Intangible Assets, Finite-lived | 304 | 1,799 | |
| Balance, ending | 10,929 | 10,966 | 6,249 |
| Goodwill [Member] | |||
| Goodwill [Roll Forward] | |||
| Balance, beginning | 138,921 | 138,921 | |
| Originations | 0 | 0 | |
| Amortization | 0 | 0 | |
| (Impairment) Recovery of Intangible Assets, Finite-lived | 0 | 0 | |
| Balance, ending | 138,921 | 138,921 | 138,921 |
| Easement | |||
| Goodwill [Roll Forward] | |||
| Balance, beginning | 3,600 | 3,600 | |
| Originations | 0 | 0 | 3,600 |
| Amortization | 0 | 0 | |
| (Impairment) Recovery of Intangible Assets, Finite-lived | 0 | 0 | |
| Balance, ending | $ 3,600 | $ 3,600 | $ 3,600 |
Goodwill And Other Intangible Assets (Schedule Of Estimated Annual Amortization Expense) (Details) $ in Thousands |
Dec. 31, 2022
USD ($)
|
|---|---|
| Goodwill and Intangible Assets Disclosure [Abstract] | |
| 2023 | $ 1,403 |
| 2024 | 1,243 |
| 2025 | 1,101 |
| 2026 | 963 |
| 2027 | $ 830 |
Leases (Narrative - Lessee) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Lessee, Lease, Description [Line Items] | ||
| Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Premises and equipment – net | Premises and equipment – net |
| Operating Lease, Liability, Statement of Financial Position [Extensible List] | Other liabilities | Other liabilities |
| Operating Lease, Right-of-Use Asset | $ 24,900 | $ 25,200 |
| Operating Lease, Liability | 25,231 | 27,200 |
| Lease, Cost | $ 7,900 | $ 7,700 |
| Minimum [Member] | ||
| Lessee, Lease, Description [Line Items] | ||
| Lessee, Operating Lease, Renewal Term | 1 month | |
| Maximum [Member] | ||
| Lessee, Lease, Description [Line Items] | ||
| Lessee, Operating Lease, Renewal Term | 29 years | |
Leases (Schedule of Maturity of Operating Lease Liabilities) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Leases [Abstract] | ||
| 2023 | $ 6,168 | |
| 2024 | 4,684 | |
| 2025 | 3,001 | |
| 2026 | 2,434 | |
| 2027 | 2,204 | |
| After 2027 | 13,743 | |
| Total lease payments | 32,234 | |
| Less: Interest | 7,003 | |
| Present value of lease liabilities | 25,231 | $ 27,200 |
| Legally binding minimum lease payments for operating leases signed but not yet commenced | $ 2,100 |
Leases (Schedule of Operating Lease Term and Discount Rate) (Details) |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Leases [Abstract] | ||
| Weighted-average remaining lease term | 10 years 7 months 6 days | 11 years 1 month 6 days |
| Weighted-average discount rate | 3.73% | 3.05% |
Leases (Schedule of Supplemental Cash Flow Information Related to Operating Leases) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Leases [Abstract] | ||
| Operating cash paid toward lease liabilities | $ 6,529 | $ 6,180 |
| Leased assets obtained in exchange for new lease liabilities | $ 5,161 | $ 4,407 |
Leases (Narrative - Lessor) (Details) |
Dec. 31, 2022 |
|---|---|
| Minimum [Member] | |
| Lessor, Lease, Description [Line Items] | |
| Lessor, Operating Lease, Renewal Term | 3 months |
| Maximum [Member] | |
| Lessor, Lease, Description [Line Items] | |
| Lessor, Operating Lease, Renewal Term | 16 years |
Leases (Components of Lease Income) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Operating Lease Income [Line Items] | ||
| Direct financing and sales-type leases | $ 22,144 | $ 22,736 |
| Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other | |
| Operating Lease, Lease Income | $ 8,948 | 7,488 |
| Lease Income, Total | 31,092 | 30,224 |
| Operating Lease Income from Related Party [Member] | ||
| Operating Lease Income [Line Items] | ||
| Operating Lease, Lease Income | $ 76 | $ 76 |
Leases (Net Investment in Sales-type and Direct Financing Leases) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Leases [Abstract] | ||
| Sales-type and Direct Financing Leases, Lease Receivable | $ 704,509 | $ 655,885 |
| Sales-type and Direct Financing Leases, Unguaranteed Residual Asset | 72,157 | 66,638 |
| Net Investment in Lease, before Allowance for Credit Loss, Total | 776,666 | 722,523 |
| Deferred Costs, Leasing, Net | 3,222 | 3,035 |
| Sales-Type And Direct Financing Leases, Lease Receivable, net of deferred origination costs | $ 779,888 | $ 725,558 |
Leases (Schedule of Maturity of Lease Receivables) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Leases [Abstract] | ||
| Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One | $ 200,282 | |
| Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Two | 169,469 | |
| Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Three | 132,892 | |
| Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Four | 103,897 | |
| Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Five | 74,193 | |
| Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, after Year Five | 87,260 | |
| Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received | 767,993 | |
| Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount | 63,484 | |
| Sales-type and Direct Financing Leases, Lease Receivable | 704,509 | $ 655,885 |
| Lessor, Operating Lease, Payment to be Received, Year One | 9,451 | |
| Lessor, Operating Lease, Payment to be Received, Year Two | 11,518 | |
| Lessor, Operating Lease, Payment to be Received, Year Three | 10,248 | |
| Lessor, Operating Lease, Payment to be Received, Year Four | 9,595 | |
| Lessor, Operating Lease, Payment to be Received, Year Five | 11,716 | |
| Lessor, Operating Lease, Payment to be Received, after Year Five | 62,977 | |
| Lessor, Operating Lease, Payments to be Received | 115,505 | |
| Lessor, Total Payments to be Received, Next Twelve Months | 209,733 | |
| Lessor, Total Payments to be Received, Two Years | 180,987 | |
| Lessor, Total Payments to be Received, Three Years | 143,140 | |
| Lessor, Total Payments to be Received, Four Years | 113,492 | |
| Lessor, Total Payments to be Received, Five Years | 85,909 | |
| Lessor, Total Payments to be Received, Thereafter | 150,237 | |
| Lessor, Total Payments to be Received | $ 883,498 |
Deposits (Scheduled Maturities Of Total Time Open And Certificates Of Deposit) (Details) $ in Thousands |
Dec. 31, 2022
USD ($)
|
|---|---|
| Deposits [Abstract] | |
| Due in 2023 | $ 726,984 |
| Due in 2024 | 187,440 |
| Due in 2025 | 44,678 |
| Due in 2026 | 29,009 |
| Due in 2027 | 5,910 |
| Thereafter | 82 |
| Total | 994,103 |
| Aggregate amount of time open and certificates of deposit that exceed the $250,000 FDIC insurance limit | $ 426,500 |
Borrowings (Narrative) (Details) $ in Millions |
Dec. 31, 2022
USD ($)
|
|---|---|
| Debt Disclosure [Abstract] | |
| Short-term repurchase agreement comprised of non-insured customer funds | $ 2,700.0 |
| FHLB Advances Outstanding | 0.0 |
| FHLB issued letters of credit | $ 678.2 |
Borrowings (Short-Term Borrowings) (Details) - Federal Funds Purchased And Repurchase Agreements [Member] - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Short-term Debt [Line Items] | |||
| Year End Weighted Rate | 2.01% | 0.06% | 0.04% |
| Average Weighted Rate | 1.10% | 0.10% | 0.30% |
| Average Balance Outstanding | $ 2,439,279 | $ 2,334,837 | $ 1,966,479 |
| Maximum Outstanding at any Month End | 2,841,734 | 3,022,967 | 2,314,756 |
| Balance at December 31 | $ 2,841,734 | $ 3,022,967 | $ 2,098,383 |
Income Taxes (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Income Tax Disclosure [Abstract] | |||
| Effective income tax rate reconciliation, at federal statutory income tax rate | 21.00% | 21.00% | 21.00% |
| Unrecognized Tax Benefits | $ 1,205 | $ 1,276 | $ 1,331 |
| Unrecognized tax benefits impact the effective tax rate | $ 1,000 | $ 1,000 | |
Income Taxes (Schedule Of Components Of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Income Tax Disclosure [Abstract] | |||
| U.S. federal, Current | $ 96,849 | $ 104,924 | $ 92,035 |
| State and local, Current | 13,793 | 15,174 | 14,798 |
| Current, income tax expense (benefit) | 110,642 | 120,098 | 106,833 |
| U.S. federal, Deferred | 19,990 | 22,184 | (14,055) |
| State and local, Deferred | 1,726 | 3,429 | (5,485) |
| Deferred, income tax expense (benefit) | 21,716 | 25,613 | (19,540) |
| U.S. federal, Total | 116,839 | 127,108 | 77,980 |
| State and local, Total | 15,519 | 18,603 | 9,313 |
| Total income tax expense | $ 132,358 | $ 145,711 | $ 87,293 |
Income Taxes (Components Of Income Tax Expense Recorded Directly To Stockholders Equity) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Income Tax Disclosure [Abstract] | |||
| Unrealized gain (loss) on securities available for sale | $ (382,697) | $ (80,211) | $ 53,909 |
| Components of income Tax Recorded Directly to Equity, Change in Fair Value of Cash Flow Hedge | (6,446) | (6,040) | 20,795 |
| Accumulated pension (benefit) loss | 1,161 | 1,484 | (1,059) |
| Income Tax Effects Allocated Directly to Equity, Cumulative Effect of Change in Accounting Principle | 0 | 0 | 1,183 |
| Income tax expense (benefit) allocated to stockholders’ equity | $ (387,982) | $ (84,767) | $ 74,828 |
Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Unrealized losses on available-for-sale securities | $ 374,973 | $ 0 |
| Loans, principally due to allowance for loan losses | 43,553 | 41,507 |
| Deferred compensation | 7,864 | 7,777 |
| Equity-based compensation | 7,491 | 7,348 |
| Accrued expenses | 6,748 | 6,340 |
| Unearned fee income | 5,534 | 5,258 |
| Deferred tax assets, Other | 1,737 | 3,284 |
| Total deferred tax assets | 447,900 | 71,514 |
| Equipment lease financing | 91,913 | 74,827 |
| Cash flow hedges | 19,747 | 23,633 |
| Land, buildings and equipment | 17,210 | 18,728 |
| Private equity investments | 9,393 | 3,034 |
| Intangibles | 7,519 | 7,459 |
| Unrealized gain on available for sale debt securities | 0 | 7,724 |
| Deferred tax liabilities, Other | 8,138 | 8,396 |
| Total deferred tax liabilities | 153,920 | 143,801 |
| Net deferred tax assets (liabilities) | $ 293,980 | |
| Net deferred tax assets (liabilities) | $ (72,287) |
Income Taxes (Schedule Of Company's Actual Income Tax Expense) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Income Tax Disclosure [Abstract] | |||
| Computed “expected” tax expense | $ 130,359 | $ 142,060 | $ 92,683 |
| Tax-exempt interest, net of cost to carry | (8,473) | (9,002) | (10,013) |
| State and local income taxes, net of federal tax benefit | 12,260 | 14,697 | 7,357 |
| Effective Income Tax Rate Reconciliation, Share-based Award Payments, Amount | (1,669) | (2,941) | (3,090) |
| Other | (119) | 897 | 356 |
| Total income tax expense | $ 132,358 | $ 145,711 | $ 87,293 |
Income Taxes (Schedule Of Accrued Liability For Unrecognized Tax Benefit) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Reconciliation of Unrecognized Tax Benefits [Roll Forward] | ||
| Unrecognized tax benefits at beginning of year | $ 1,276 | $ 1,331 |
| Gross increases – tax positions in prior period | 21 | 15 |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | 0 | (8) |
| Gross increases – current-period tax positions | 235 | 222 |
| Lapse of statute of limitations | (327) | (284) |
| Unrecognized tax benefits at end of year | $ 1,205 | $ 1,276 |
Employee Benefit Plans (Narrative) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||
| Defined benefit plan, discretionary contribution by employer | $ 0 | $ 0 | $ 0 |
| Minimum Required Contribution, Next Fiscal Year | 0 | ||
| Contributions to the CERP | $ 14,000 | $ 14,000 | $ 80,000 |
| Determination of benefit obligation at year end, Discount rate | 5.19% | 2.58% | 2.25% |
| Accumulated benefit obligation | $ 95,800,000 | $ 121,700,000 | |
| Expected long-term rate of return on pension plan assets | 4.25% | 4.25% | 5.00% |
| Annualized 10-year return for pension plan | 5.00% | ||
| Rate of return | (12.00%) | 5.90% | |
| Expected pension expense for the upcoming fiscal year | $ 2,500,000 | ||
| Pension expense | $ 172,000 | ||
| Equity securities [Member] | |||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||
| Long-term investment target mix | 25.00% | ||
| Fixed Income Securities [Member] | |||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||
| Long-term investment target mix | 75.00% | ||
| Change due to discount rate increase/decrease | |||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||
| Increase (Decrease) in Obligation, Pension Benefits | $ (23,800,000) | ||
Employee Benefit Plans (Employee Benefits Charged To Operating Expenses) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Total employee benefits | $ 82,787 | $ 78,010 | $ 76,900 |
| Payroll Taxes [Member] | |||
| Total employee benefits | 29,580 | 28,084 | 27,664 |
| Medical Plans [Member] | |||
| Total employee benefits | 31,004 | 31,131 | 30,002 |
| 401K Plan [Member] | |||
| Total employee benefits | 18,590 | 17,237 | 16,834 |
| Pension Plans [Member] | |||
| Total employee benefits | 516 | 388 | 410 |
| Other [Member] | |||
| Total employee benefits | $ 3,097 | $ 1,170 | $ 1,990 |
Employee Benefit Plans (Components Of The Net Pension Cost) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | |||
| Service cost-benefits earned during the year | $ 516 | $ 388 | $ 410 |
| Interest cost on projected benefit obligation | 2,725 | 2,169 | 3,282 |
| Expected return on plan assets | (4,515) | (4,532) | (5,214) |
| Amortization of prior service cost | (271) | (271) | (271) |
| Amortization of unrecognized net loss | 1,717 | 2,578 | 2,138 |
| Net periodic pension cost | $ 172 | $ 332 | $ 345 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Salaries and employee benefits | ||
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Salaries and employee benefits | ||
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration] | Salaries and employee benefits | ||
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Salaries and employee benefits | ||
Employee Benefit Plans (Summary Of Pension Plans Funded Status) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | |||
| Projected benefit obligation at prior valuation date | $ 121,738 | $ 127,163 | |
| Service cost | 516 | 388 | $ 410 |
| Interest cost | 2,725 | 2,169 | 3,282 |
| Defined Benefit Plan, Benefit Obligation, Benefits Paid | (6,933) | (6,735) | |
| Actuarial (gain) loss | (22,204) | (1,247) | |
| Projected benefit obligation at valuation date | 95,842 | 121,738 | 127,163 |
| Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | |||
| Fair value of plan assets at prior valuation date | 109,807 | 109,615 | |
| Actual return on plan assets | (14,492) | 6,913 | |
| Employer contributions | 14 | 14 | |
| Benefits paid | (6,933) | (6,735) | |
| Fair value of plan assets at valuation date | 88,396 | 109,807 | $ 109,615 |
| Funded status and net amount recognized at valuation date | $ (7,446) | $ (11,931) | |
Employee Benefit Plans (Schedule Of Amounts Not Yet Reflected In Net Periodic Benefit Cost And Included In Accumulated Other Comprehensive Income (Loss), Pre-Tax Basis) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Retirement Benefits [Abstract] | |||
| Prior service (credit) cost | $ 452 | $ 723 | |
| Accumulated loss | (23,363) | (28,277) | |
| Accumulated other comprehensive loss | (22,911) | (27,554) | |
| Cumulative employer contributions in excess of net periodic benefit cost | 15,465 | 15,623 | |
| Net amount recognized as an accrued benefit liability on the December 31 balance sheet | (7,446) | (11,931) | |
| Net loss arising during period | 3,197 | 3,627 | |
| Amortization of net loss | 1,717 | 2,578 | $ 2,138 |
| Amortization of prior service cost | (271) | (271) | $ (271) |
| Total recognized in other comprehensive income | 4,643 | 5,934 | |
| Total expense recognized in net periodic pension cost and other comprehensive income | $ 4,471 | $ 5,602 | |
Employee Benefit Plans (Assumptions On A Weighted Average Basis, Used In Accounting For Plans) (Details) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2022
Rate
|
Dec. 31, 2021
Rate
|
Dec. 31, 2020
Rate
|
|
| Defined Benefit Plan, Assumptions Used in Calculations [Abstract] | |||
| Determination of benefit obligation at year end, Discount rate | 5.19% | 2.58% | 2.25% |
| Determination of benefit obligation at year end, Assumed credit on cash balance accounts | 5.00% | 5.00% | 5.00% |
| Determination of net periodic benefit cost for year ended, Discount rate | 2.64% | 2.25% | 3.08% |
| Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Effective Rate of Interest | 2.15% | 1.63% | 2.69% |
| Determination of net periodic benefit cost for year ended, Long-term rate of return on assets | 4.25% | 4.25% | 5.00% |
| Determination of net periodic benefit cost for year ended, Assumed credit on cash balance accounts | 5.00% | 5.00% | 5.00% |
Employee Benefit Plans (Fair Value Of Pension Plan Assets By Asset Category) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| U.S. government obligations | $ 1,035,406 | $ 1,080,720 | ||||||||
| Government-sponsored enterprise obligations | 43,108 | 51,755 | ||||||||
| State and municipal obligations | 1,767,109 | 2,096,827 | ||||||||
| Agency mortgage-backed securities | 4,308,427 | 5,683,000 | ||||||||
| Non-agency mortgage-backed securities | 1,211,607 | 1,366,477 | ||||||||
| Asset-backed securities | 3,397,801 | 3,539,219 | ||||||||
| Pension Plans [Member] | ||||||||||
| U.S. government obligations | 9,960 | 6,824 | ||||||||
| Government-sponsored enterprise obligations | [1] | 1,022 | 2,066 | |||||||
| State and municipal obligations | 6,840 | 8,000 | ||||||||
| Agency mortgage-backed securities | [2] | 2,871 | 3,266 | |||||||
| Non-agency mortgage-backed securities | 2,527 | 2,974 | ||||||||
| Asset-backed securities | 6,768 | 7,648 | ||||||||
| Corporate bonds | [3] | 35,234 | 40,832 | |||||||
| Mutual funds | [4] | 4,395 | 6,004 | |||||||
| Common stocks | [4] | 15,868 | 27,702 | |||||||
| International developed markets | [4] | 2,604 | 3,943 | |||||||
| Emerging markets | [4] | 307 | 548 | |||||||
| Total | 88,396 | 109,807 | ||||||||
| Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||||||||
| U.S. government obligations | 1,035,406 | 1,080,720 | ||||||||
| Government-sponsored enterprise obligations | 0 | 0 | ||||||||
| State and municipal obligations | 0 | 0 | ||||||||
| Agency mortgage-backed securities | 0 | 0 | ||||||||
| Non-agency mortgage-backed securities | 0 | 0 | ||||||||
| Asset-backed securities | 0 | 0 | ||||||||
| Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Pension Plans [Member] | ||||||||||
| U.S. government obligations | 9,960 | 6,824 | ||||||||
| Government-sponsored enterprise obligations | [1] | 0 | 0 | |||||||
| State and municipal obligations | 0 | 0 | ||||||||
| Agency mortgage-backed securities | [2] | 0 | 0 | |||||||
| Non-agency mortgage-backed securities | 0 | 0 | ||||||||
| Asset-backed securities | 0 | 0 | ||||||||
| Corporate bonds | [3] | 0 | 0 | |||||||
| Mutual funds | [4] | 4,395 | 6,004 | |||||||
| Common stocks | [4] | 15,868 | 27,702 | |||||||
| International developed markets | [4] | 2,604 | 3,943 | |||||||
| Emerging markets | [4] | 307 | 548 | |||||||
| Total | 33,134 | 45,021 | ||||||||
| Significant Other Observable Inputs (Level 2) [Member] | ||||||||||
| U.S. government obligations | 0 | 0 | ||||||||
| Government-sponsored enterprise obligations | 43,108 | 51,755 | ||||||||
| State and municipal obligations | 1,765,268 | 2,094,843 | ||||||||
| Agency mortgage-backed securities | 4,308,427 | 5,683,000 | ||||||||
| Non-agency mortgage-backed securities | 1,211,607 | 1,366,477 | ||||||||
| Asset-backed securities | 3,397,801 | 3,539,219 | ||||||||
| Significant Other Observable Inputs (Level 2) [Member] | Pension Plans [Member] | ||||||||||
| U.S. government obligations | 0 | 0 | ||||||||
| Government-sponsored enterprise obligations | [1] | 1,022 | 2,066 | |||||||
| State and municipal obligations | 6,840 | 8,000 | ||||||||
| Agency mortgage-backed securities | [2] | 2,871 | 3,266 | |||||||
| Non-agency mortgage-backed securities | 2,527 | 2,974 | ||||||||
| Asset-backed securities | 6,768 | 7,648 | ||||||||
| Corporate bonds | [3] | 35,234 | 40,832 | |||||||
| Mutual funds | [4] | 0 | 0 | |||||||
| Common stocks | [4] | 0 | 0 | |||||||
| International developed markets | [4] | 0 | 0 | |||||||
| Emerging markets | [4] | 0 | 0 | |||||||
| Total | 55,262 | 64,786 | ||||||||
| Significant Unobservable Inputs (Level 3) [Member] | ||||||||||
| U.S. government obligations | 0 | 0 | ||||||||
| Government-sponsored enterprise obligations | 0 | 0 | ||||||||
| State and municipal obligations | 1,841 | 1,984 | ||||||||
| Agency mortgage-backed securities | 0 | 0 | ||||||||
| Non-agency mortgage-backed securities | 0 | 0 | ||||||||
| Asset-backed securities | 0 | 0 | ||||||||
| Significant Unobservable Inputs (Level 3) [Member] | Pension Plans [Member] | ||||||||||
| U.S. government obligations | 0 | 0 | ||||||||
| Government-sponsored enterprise obligations | [1] | 0 | 0 | |||||||
| State and municipal obligations | 0 | 0 | ||||||||
| Agency mortgage-backed securities | [2] | 0 | 0 | |||||||
| Non-agency mortgage-backed securities | 0 | 0 | ||||||||
| Asset-backed securities | 0 | 0 | ||||||||
| Corporate bonds | [3] | 0 | 0 | |||||||
| Mutual funds | [4] | 0 | 0 | |||||||
| Common stocks | [4] | 0 | 0 | |||||||
| International developed markets | [4] | 0 | 0 | |||||||
| Emerging markets | [4] | 0 | 0 | |||||||
| Total | $ 0 | $ 0 | ||||||||
| ||||||||||
Employee Benefit Plans (Future Benefit Payments) (Details) $ in Thousands |
Dec. 31, 2022
USD ($)
|
|---|---|
| Defined Benefit Plan, Expected Future Benefit Payment [Abstract] | |
| 2023 | $ 7,988 |
| 2024 | 7,884 |
| 2025 | 7,810 |
| 2026 | 7,722 |
| 2027 | 7,597 |
| 2028 - 2032 | $ 34,819 |
Stock-Based Compensation and Directors Stock Purchase Plan (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Feb. 08, 2022 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Remaining number of shares available for issuance under the plan | 1,586,377 | |||
| Stock-based compensation | $ 17.0 | $ 15.4 | $ 14.9 | |
| Total tax benefit recognized from compensation arrangements | 3.0 | 2.7 | 3.0 | |
| Fair value of shares vested during the period | 18.8 | $ 17.6 | $ 18.0 | |
| Unrecognized compensation cost related to unvested SAR's and stock awards | $ 31.6 | |||
| Compensation cost is expected to be recognized over a weighted average period, years | 3 years 2 months 12 days | |||
| Common stock dividend rate percentage | 5.00% | |||
| Nonvested Stock Award [Member] | Minimum [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock awards vesting period (in years) | 4 years | |||
| Nonvested Stock Award [Member] | Maximum [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock awards vesting period (in years) | 7 years | |||
| Stock Appreciation Rights (SARs) [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock awards vesting period (in years) | 4 years | |||
| Contractual terms of awards granted (in years) | 10 years | |||
| Directors Stock Purchase Plan [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Remaining number of shares available for issuance under the plan | 129,665 | |||
| Number of shares purchased under stock option plan | 21,725 | 14,057 | ||
| Average price of shares purchased under stock option plan | $ 67.27 | $ 65.86 | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized | 150,000 | |||
Stock-Based Compensation and Directors Stock Purchase Plan (Summary Of The Status Of Nonvested Share Awards) (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2022
$ / shares
shares
| |
| Nonvested Share Awards [Roll Forward] | |
| Nonvested, share awards, beginning balance | shares | 1,176,253 |
| Granted, Shares | shares | 283,970 |
| Vested, Shares | shares | (282,845) |
| Forfeited, Shares | shares | (28,505) |
| Nonvested, share awards, ending balance | shares | 1,148,873 |
| Nonvested Weighted Average Grant Date Fair Value [Roll Forward] | |
| Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares | $ 52.93 |
| Granted, Weighted Average Grant Date Fair Value | $ / shares | 67.40 |
| Vested, Weighted Average Grant Date Fair Value | $ / shares | 45.45 |
| Forfeited, Weighted Average Grant Date Fair Value | $ / shares | 57.94 |
| Nonvested , Weighted Average Grant Date Fair Value, Ending Balance | $ / shares | $ 58.20 |
Stock-Based Compensation and Directors Stock Purchase Plan (Summary Of SAR Activity) (Details) $ / shares in Units, $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2022
USD ($)
$ / shares
shares
| |
| Stock Appreciation Rights, Shares [Roll Forward] | |
| Outstanding, Shares, Beginning Balance | shares | 940,722 |
| Granted, Shares | shares | 101,044 |
| Forfeited, Shares | shares | (9,057) |
| Expired, Shares | shares | (2,493) |
| Exercised, Shares | shares | (81,489) |
| Outstanding, Shares, Ending Balance | shares | 948,727 |
| Exercisable, Shares, Ending Balance | shares | 667,936 |
| Stock Appreciation Rights, Weighted Average Exercise Price [Roll Forward] | |
| Outstanding, Weighted Average Exercise Price, Beginning Balance | $ / shares | $ 44.01 |
| Share based compensation arrangement by share based payment award equity instruments other than options grants in period weighted average exercise price | $ / shares | 67.28 |
| Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price | $ / shares | 58.82 |
| Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expired In Period Weighted Average Exercise Price | $ / shares | 54.17 |
| Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercised In Period Weighted Average Exercise Price | $ / shares | 38.14 |
| Outstanding, Weighted Average Exercise Price, Ending Balance | $ / shares | 46.82 |
| Exercisable, Weighted Average Exercise Price, Ending Balance | $ / shares | $ 41.11 |
| Outstanding, Weighted Average Remaining Contractual Term (in years) | 5 years 2 months 12 days |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding | $ | $ 20,163 |
| Exercisable, Weighted Average Remaining Contractual Term (in years) | 4 years 2 months 12 days |
| Exercisable, Aggregate Intrinsic Value, Ending Balance | $ | $ 18,007 |
Stock-Based Compensation and Directors Stock Purchase Plan Share Based Compensation Valuation Assumptions [Table] (Details) - Share-based payment award, valuation model assumptions - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Schedule Of Share Based Payment Award Stock Options Valuation Assumptions [Line Items] | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ 16.59 | $ 15.22 | $ 8.74 |
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate | 1.50% | 1.40% | 1.70% |
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate | 28.40% | 28.20% | 20.20% |
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate | 1.60% | 0.70% | 1.00% |
| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | 5 years 8 months 12 days | 5 years 8 months 12 days | 5 years 9 months 18 days |
Stock-Based Compensation and Directors Stock Purchase Plan Stock-Based Compensation and Directors Stock Purchase Plan (Additional Information About Stock Options and SARs Exercises) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|---|
| Share-Based Payment Arrangement, Noncash Expense [Abstract] | |||
| Intrinsic value of options and SARs exercised | $ 2,448 | $ 7,664 | $ 6,278 |
| Tax benefit realized from options and SARs exercised | $ 462 | $ 1,488 | $ 1,252 |
Accumulated Other Comprehensive Income (Schedule of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Accumulated other comprehensive income | $ (1,086,864) | $ 77,080 | $ 331,377 | ||||||
| Other Comprehensive Income (Loss), before Reclassifications, before Tax | (1,550,290) | (320,495) | |||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | (1,636) | (18,569) | |||||||
| Other Comprehensive Income (Loss), before Tax | (1,551,926) | (339,064) | |||||||
| Other Comprehensive Income (Loss), Tax | 387,982 | 84,767 | |||||||
| Other comprehensive income (loss) | (1,163,944) | (254,297) | 220,933 | ||||||
| Unrealized Gain Loss on Securities Other [Member] | |||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Accumulated other comprehensive income | (1,124,915) | 23,174 | [1] | 263,801 | |||||
| Other Comprehensive Income (Loss), before Reclassifications, before Tax | (1,551,059) | (324,122) | |||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 20,273 | 3,284 | |||||||
| Other Comprehensive Income (Loss), before Tax | (1,530,786) | (320,838) | |||||||
| Other Comprehensive Income (Loss), Tax | 382,697 | 80,211 | |||||||
| Other comprehensive income (loss) | (1,148,089) | (240,627) | |||||||
| Pension Loss [Member] | |||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Accumulated other comprehensive income | (17,186) | (20,668) | (25,118) | ||||||
| Other Comprehensive Income (Loss), before Reclassifications, before Tax | 3,197 | 3,627 | |||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 1,446 | 2,307 | |||||||
| Other Comprehensive Income (Loss), before Tax | 4,643 | 5,934 | |||||||
| Other Comprehensive Income (Loss), Tax | (1,161) | (1,484) | |||||||
| Other comprehensive income (loss) | 3,482 | 4,450 | |||||||
| Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | |||||||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||||||
| Accumulated other comprehensive income | 55,237 | [2] | 74,574 | [2] | $ 92,694 | ||||
| Other Comprehensive Income (Loss), before Reclassifications, before Tax | [2] | (2,428) | 0 | ||||||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | [2] | (23,355) | (24,160) | ||||||
| Other Comprehensive Income (Loss), before Tax | [2] | (25,783) | (24,160) | ||||||
| Other Comprehensive Income (Loss), Tax | [2] | 6,446 | 6,040 | ||||||
| Other comprehensive income (loss) | [2] | $ (19,337) | $ (18,120) | ||||||
| |||||||||
Segments (Schedule Of Financial Information By Segment) (Details) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
|
Dec. 31, 2022
USD ($)
Operating_Segments
|
Dec. 31, 2021
USD ($)
|
Dec. 31, 2020
USD ($)
|
|||
| Segment Reporting Information [Line Items] | |||||
| Number of operating segments | Operating_Segments | 3 | ||||
| Net interest income | $ 942,185 | $ 835,424 | $ 829,847 | ||
| Provision for loan losses | (28,071) | 66,326 | (137,190) | ||
| Non-interest income | 546,535 | 560,393 | 505,867 | ||
| Investment securities gains (losses), net | [1] | 20,506 | 30,059 | 11,032 | |
| Non-interest expense | (848,777) | (805,901) | (768,378) | ||
| Income before income taxes | 632,378 | 686,301 | 441,178 | ||
| Consumer Segment [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net interest income | 339,080 | 319,439 | 321,031 | ||
| Provision for loan losses | (17,872) | (23,249) | (31,220) | ||
| Non-interest income | 116,030 | 147,273 | 148,586 | ||
| Investment securities gains (losses), net | 0 | 0 | 0 | ||
| Non-interest expense | (300,566) | (293,504) | (297,790) | ||
| Income before income taxes | 136,672 | 149,959 | 140,607 | ||
| Commercial Segment [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net interest income | 452,686 | 453,692 | 414,724 | ||
| Provision for loan losses | (1,196) | 4,845 | (3,724) | ||
| Non-interest income | 224,890 | 211,048 | 194,505 | ||
| Investment securities gains (losses), net | 0 | 0 | 0 | ||
| Non-interest expense | (365,276) | (329,313) | (316,004) | ||
| Income before income taxes | 311,104 | 340,272 | 289,501 | ||
| Wealth Segment [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net interest income | 74,416 | 71,522 | 57,925 | ||
| Provision for loan losses | (8) | (52) | 12 | ||
| Non-interest income | 213,388 | 213,617 | 188,942 | ||
| Investment securities gains (losses), net | 0 | 0 | 0 | ||
| Non-interest expense | (144,914) | (136,356) | (124,964) | ||
| Income before income taxes | 142,882 | 148,731 | 121,915 | ||
| Segment Totals [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net interest income | 866,182 | 844,653 | 793,680 | ||
| Provision for loan losses | (19,076) | (18,456) | (34,932) | ||
| Non-interest income | 554,308 | 571,938 | 532,033 | ||
| Investment securities gains (losses), net | 0 | 0 | 0 | ||
| Non-interest expense | (810,756) | (759,173) | (738,758) | ||
| Income before income taxes | 590,658 | 638,962 | 552,023 | ||
| Other/Elimination [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Net interest income | 76,003 | (9,229) | 36,167 | ||
| Provision for loan losses | (8,995) | 84,782 | (102,258) | ||
| Non-interest income | (7,773) | (11,545) | (26,166) | ||
| Investment securities gains (losses), net | 20,506 | 30,059 | 11,032 | ||
| Non-interest expense | (38,021) | (46,728) | (29,620) | ||
| Income before income taxes | $ 41,720 | $ 47,339 | $ (110,845) | ||
| |||||
Segments Segments (Segment Balance Sheet Data) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Segment Reporting Information [Line Items] | ||
| Average Assets | $ 33,605,317 | $ 34,163,735 |
| Average Loans, including held for sale | 15,569,741 | 15,685,912 |
| Average Goodwill and other intangible assets | 154,639 | 152,626 |
| Average Deposits | 28,100,697 | 27,784,116 |
| Consumer Segment [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Average Assets | 1,973,907 | 2,066,625 |
| Average Loans, including held for sale | 1,828,792 | 1,924,297 |
| Average Goodwill and other intangible assets | 82,566 | 80,448 |
| Average Deposits | 13,398,484 | 12,838,702 |
| Commercial Segment [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Average Assets | 10,239,825 | 10,550,065 |
| Average Loans, including held for sale | 10,021,057 | 10,237,980 |
| Average Goodwill and other intangible assets | 67,727 | 67,832 |
| Average Deposits | 11,941,396 | 11,990,753 |
| Wealth Segment [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Average Assets | 1,838,023 | 1,584,765 |
| Average Loans, including held for sale | 1,827,283 | 1,575,058 |
| Average Goodwill and other intangible assets | 746 | 746 |
| Average Deposits | 2,804,781 | 2,965,818 |
| Segment Totals [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Average Assets | 14,051,755 | 14,201,455 |
| Average Loans, including held for sale | 13,677,132 | 13,737,335 |
| Average Goodwill and other intangible assets | 151,039 | 149,026 |
| Average Deposits | 28,144,661 | 27,795,273 |
| Other/Elimination [Member] | ||
| Segment Reporting Information [Line Items] | ||
| Average Assets | 19,553,562 | 19,962,280 |
| Average Loans, including held for sale | 1,892,609 | 1,948,577 |
| Average Goodwill and other intangible assets | 3,600 | 3,600 |
| Average Deposits | $ (43,964) | $ (11,157) |
Common and Preferred Stock (Narrative) (Details) - $ / shares |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Nov. 01, 2019 |
|
| Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] | ||||
| Common stock dividend rate percentage | 5.00% | |||
| Common stock, par value | $ 5 | $ 5 | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) | 163,000 | 92,000 | 333,000 | |
| Shares available for purchase under the current Board authorization | 5,000,000 | |||
| Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased | 3,112,058 | |||
Common and Preferred Stock (Summary Of Components Used To Calculate Basic And Diluted Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | |||
| Net income attributable to Commerce Bancshares, Inc. | $ 488,399 | $ 530,765 | $ 354,057 |
| Preferred Stock Dividends, Income Statement Impact | 0 | 0 | 11,966 |
| Net Income (Loss) Available to Common Stockholders, Basic | $ 488,399 | $ 530,765 | $ 342,091 |
| Basic income per common share (in dollars per share) | $ 3.86 | $ 4.12 | $ 2.64 |
| Diluted income per common share (in dollars per share) | $ 3.85 | $ 4.11 | $ 2.64 |
| Basic Income Per Common Share [Member] | |||
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | |||
| Net income attributable to Commerce Bancshares, Inc. | $ 488,399 | $ 530,765 | $ 354,057 |
| Preferred Stock Dividends, Income Statement Impact | 0 | 0 | 11,966 |
| Net Income (Loss) Available to Common Stockholders, Basic | 488,399 | 530,765 | 342,091 |
| Less income allocated to nonvested restricted stockholders | 4,450 | 4,846 | 3,215 |
| Net income available to common stockholders | $ 483,949 | $ 525,919 | $ 338,876 |
| Weighted average common shares outstanding | 125,275 | 127,738 | 128,286 |
| Basic income per common share (in dollars per share) | $ 3.86 | $ 4.12 | $ 2.64 |
| Diluted Income Per Common Share [Member] | |||
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | |||
| Net Income (Loss) Available to Common Stockholders, Diluted | $ 488,399 | $ 530,765 | $ 342,091 |
| Less income allocated to nonvested restricted stockholders | 4,442 | 4,838 | 3,211 |
| Net income available to common stockholders | $ 483,957 | $ 525,927 | $ 338,880 |
| Weighted average common shares outstanding | 125,275 | 127,738 | 128,286 |
| Net effect of the assumed exercise of stock-based awards -- based on the treasury stock method using the average market price for the respective periods | 285 | 300 | 248 |
| Weighted average diluted common shares outstanding | 125,560 | 128,038 | 128,534 |
| Diluted income per common share (in dollars per share) | $ 3.85 | $ 4.11 | $ 2.64 |
Common and Preferred Stock Common and Preferred Stock (Schedule of Activity in the Outstanding Shares of the Company's Common Stock) (Details) - Common Stock [Member] - shares shares in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Increase (Decrease) in Common Stock [Roll Forward] | |||
| Shares outstanding, beginning balance | 121,436 | 117,138 | 112,132 |
| Awards and sales under employee and director plans | 306 | 328 | 335 |
| 5% stock dividend | 5,953 | 5,790 | 5,574 |
| Other purchases of treasury stock | (2,684) | (1,807) | (887) |
| Other | (12) | (13) | (16) |
| Shares outstanding, ending balance | 124,999 | 121,436 | 117,138 |
Common and Preferred Stock Preferred Stock Issuance (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Sep. 01, 2020 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Preferred Stock Issuance [Abstract] | ||||
| Preferred Stock, Dividend Rate, Percentage | 6.00% | |||
| Preferred stock, par value | $ 1.00 | |||
| Stock Redeemed or Called During Period, Shares | 6,000,000 | |||
| Preferred Stock, Liquidation Preference Per Share | $ 25 | |||
| Preferred Stock Dividends, Income Statement Impact | $ 0 | $ 0 | $ 11,966 | |
| Preferred Stock Redemption Premium | $ 5,200 | |||
Regulatory Capital Requirements (Schedule Of Capital Amounts And Ratios On Consolidated Basis) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Total Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Ratio | 10.00% | |
| Tier I Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Ratio | 8.00% | |
| Tier I Common Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Ratio | 6.50% | |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Well-Capitalized Capital Requirement Ratio | 5.00% | |
| Commerce Bancshares, Inc. (Consolidated) [Member] | ||
| Total Capital (to risk-weighted assets), Actual Amount | $ 3,600,920 | $ 3,399,880 |
| Total Capital (to risk-weighted assets), Actual Ratio | 14.89% | 15.12% |
| Total Capital (to risk-weighted assets), Minimum Capital Requirement Amount | $ 1,934,274 | $ 1,798,700 |
| Total Capital (to risk-weighted assets), Minimum Capital Requirement Ratio | 8.00% | 8.00% |
| Tier I Capital (to risk-weighted assets), Actual Amount | $ 3,417,223 | $ 3,225,044 |
| Tier I Capital (to risk-weighted assets), Actual Ratio | 14.13% | 14.34% |
| Tier I Capital (to risk-weighted assets), Minimum Capital Requirement Amount | $ 1,450,705 | $ 1,349,025 |
| Tier I Capital (to risk-weighted assets), Minimum Capital Requirement Ratio | 6.00% | 6.00% |
| Tier I Common Capital (to risk-weighted assets), Actual Amount | $ 3,417,223 | $ 3,225,044 |
| Tier I Common Capital (to rIsk-weighted assets), Actual Rato | 14.13% | 14.34% |
| Tier I Common Capital (to risk-weighted assets), Minimum Capital Requirement Amount | $ 1,088,029 | $ 1,011,769 |
| Tier I Common Capital (to risk-weighted assets), Minimum Capital Requirement Ratio | 4.50% | 4.50% |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Actual Amount | $ 3,417,223 | $ 3,225,044 |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Actual Ratio | 10.34% | 9.13% |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Minimum Capital Requirement Amount | $ 1,322,102 | $ 1,412,370 |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Minimum Capital Requirement Ratio | 4.00% | 4.00% |
| Commerce Bank [Member] | ||
| Total Capital (to risk-weighted assets), Actual Amount | $ 3,125,987 | $ 2,939,345 |
| Total Capital (to risk-weighted assets), Actual Ratio | 13.05% | 13.19% |
| Total Capital (to risk-weighted assets), Minimum Capital Requirement Amount | $ 1,916,529 | $ 1,783,288 |
| Total Capital (to risk-weighted assets), Minimum Capital Requirement Ratio | 8.00% | 8.00% |
| Total Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Amount | $ 2,395,661 | $ 2,229,110 |
| Total Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Ratio | 10.00% | 10.00% |
| Tier I Capital (to risk-weighted assets), Actual Amount | $ 2,942,291 | $ 2,764,509 |
| Tier I Capital (to risk-weighted assets), Actual Ratio | 12.28% | 12.40% |
| Tier I Capital (to risk-weighted assets), Minimum Capital Requirement Amount | $ 1,437,397 | $ 1,337,466 |
| Tier I Capital (to risk-weighted assets), Minimum Capital Requirement Ratio | 6.00% | 6.00% |
| Tier I Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Amount | $ 1,916,529 | $ 1,783,288 |
| Tier I Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Ratio | 8.00% | 8.00% |
| Tier I Common Capital (to risk-weighted assets), Actual Amount | $ 2,942,291 | $ 2,764,509 |
| Tier I Common Capital (to rIsk-weighted assets), Actual Rato | 12.28% | 12.40% |
| Tier I Common Capital (to risk-weighted assets), Minimum Capital Requirement Amount | $ 1,078,047 | $ 1,003,100 |
| Tier I Common Capital (to risk-weighted assets), Minimum Capital Requirement Ratio | 4.50% | 4.50% |
| Tier I Common Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Amount | $ 1,557,180 | $ 1,448,922 |
| Tier I Common Capital (to risk-weighted assets), Well-Capitalized Capital Requirement Ratio | 6.50% | 6.50% |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Actual Amount | $ 2,942,291 | $ 2,764,509 |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Actual Ratio | 8.86% | 7.86% |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Minimum Capital Requirement Amount | $ 1,328,220 | $ 1,406,785 |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Minimum Capital Requirement Ratio | 4.00% | 4.00% |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Well-Capitalized Capital Requirement Amount | $ 1,660,275 | $ 1,758,482 |
| Tier I Capital (to adjusted quarterly average assets) (Leverage Ratio), Well-Capitalized Capital Requirement Ratio | 5.00% | 5.00% |
Revenue from Contracts with Customers Revenue from Contracts with Customers (Narrative) (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2022
Rate
| |
| Revenue from Contract with Customer [Abstract] | |
| Percent of Revenue not in scope of ASC 606 | 63.00% |
| Commercial Segment [Member] | |
| Revenue, Major Customer [Line Items] | |
| Deposit fee revenue by segment | 60.00% |
| Consumer Segment [Member] | |
| Revenue, Major Customer [Line Items] | |
| Deposit fee revenue by segment | 40.00% |
Revenue from Contracts with Customers Revenue from Contracts with Customers (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|||
| Disaggregation of Revenue [Line Items] | |||||
| Non-interest income | $ 546,535 | $ 560,393 | $ 505,867 | ||
| Revenue from Contracts with Customers In Scope of ASC 606 [Member] | |||||
| Disaggregation of Revenue [Line Items] | |||||
| Non-interest income | 509,103 | 498,920 | 451,796 | ||
| Revenue from Contracts with Customers In Scope of ASC 606 [Member] | Bank Card Transaction Fees [Member] | |||||
| Disaggregation of Revenue [Line Items] | |||||
| Non-interest income | 176,144 | 167,891 | 151,797 | ||
| Revenue from Contracts with Customers In Scope of ASC 606 [Member] | Trust Fees [Member] | |||||
| Disaggregation of Revenue [Line Items] | |||||
| Non-interest income | 184,719 | 188,227 | 160,637 | ||
| Revenue from Contracts with Customers In Scope of ASC 606 [Member] | Deposit Account Charges and Other Fees [Member] | |||||
| Disaggregation of Revenue [Line Items] | |||||
| Non-interest income | 94,381 | 97,217 | 93,227 | ||
| Revenue from Contracts with Customers In Scope of ASC 606 [Member] | Consumer Brokerage Services [Member] | |||||
| Disaggregation of Revenue [Line Items] | |||||
| Non-interest income | 19,117 | 18,362 | 15,095 | ||
| Revenue from Contracts with Customers In Scope of ASC 606 [Member] | Other Non-Interest Income [Member] | |||||
| Disaggregation of Revenue [Line Items] | |||||
| Non-interest income | 34,742 | 27,223 | 31,040 | ||
| Revenue Not In Scope of ASC 606 [Member] | |||||
| Disaggregation of Revenue [Line Items] | |||||
| Non-interest income | [1] | $ 37,432 | $ 61,473 | $ 54,071 | |
| |||||
Revenue from Contracts with Customers Revenue from Contracts with Customers (Schedule of Contract with Customer, Asset and Liability) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|---|
| Bank Card Transaction Fees [Member] | |||
| Contract with Customer, Asset and Liability [Line Items] | |||
| Contract with Customer, Receivable | $ 17,254 | $ 16,424 | $ 14,199 |
| Trust Fees [Member] | |||
| Contract with Customer, Asset and Liability [Line Items] | |||
| Contract with Customer, Receivable | 2,038 | 2,222 | 2,071 |
| Deposit Account Charges and Other Fees [Member] | |||
| Contract with Customer, Asset and Liability [Line Items] | |||
| Contract with Customer, Receivable | 6,631 | 6,702 | 6,933 |
| Consumer Brokerage Services [Member] | |||
| Contract with Customer, Asset and Liability [Line Items] | |||
| Contract with Customer, Receivable | $ 949 | $ 391 | $ 432 |
Revenue from Contracts with Customers Revenue from Contracts with Customers (Schedule of Bank Card Transaction Fees) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | $ 176,144 | $ 167,891 | $ 151,797 |
| Debit Card [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | 40,968 | 41,010 | 37,644 |
| Debit Card [Member] | Fee income [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | 44,240 | 44,170 | 39,862 |
| Debit Card [Member] | Network Charges Expense [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | (3,272) | (3,160) | (2,218) |
| Credit Card [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | 14,560 | 15,144 | 13,393 |
| Credit Card [Member] | Fee income [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | 31,609 | 29,214 | 24,921 |
| Credit Card [Member] | Network Charges and Rewards Expense [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | (17,049) | (14,070) | (11,528) |
| Corporate Card Fees [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | 100,012 | 91,701 | 82,374 |
| Corporate Card Fees [Member] | Fee income [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | 217,539 | 197,483 | 179,251 |
| Corporate Card Fees [Member] | Network Charges and Rewards Expense [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | (117,527) | (105,782) | (96,877) |
| Merchant Fees [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | 20,604 | 20,036 | 18,386 |
| Merchant Fees [Member] | Fee income [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | 34,583 | 33,019 | 29,660 |
| Merchant Fees [Member] | Network Charges Expense [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | (3,554) | (3,343) | (3,159) |
| Merchant Fees [Member] | Fees to Cardholder Banks [Member] | |||
| Bank Card Transaction Fees [Line Items] | |||
| Bank card transaction fees | $ (10,425) | $ (9,640) | $ (8,115) |
Revenue from Contracts with Customers Revenue from Contracts with Customers (Schedule of Trust Fees) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Trust Fees [Line Items] | |||
| Trust fees | $ 184,719 | $ 188,227 | $ 160,637 |
| Private Client [Member] | |||
| Trust Fees [Line Items] | |||
| Trust fees | 147,239 | 147,653 | 123,941 |
| Institutional [Member] | |||
| Trust Fees [Line Items] | |||
| Trust fees | 31,525 | 33,890 | 30,544 |
| Other Trust Fees [Member] | |||
| Trust Fees [Line Items] | |||
| Trust fees | $ 5,955 | $ 6,684 | $ 6,152 |
Revenue from Contracts with Customers Revenue from Contracts with Customers (Schedule of Deposit Account Charges and Other Fees) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Deposit Account Charges and Other Fees [Line Items] | |||
| Deposit account charges and other fees | $ 94,381 | $ 97,217 | $ 93,227 |
| Corporate Cash Management [Member] | |||
| Deposit Account Charges and Other Fees [Line Items] | |||
| Deposit account charges and other fees | 52,501 | 50,051 | 46,762 |
| Overdraft and Return Item [Member] | |||
| Deposit Account Charges and Other Fees [Line Items] | |||
| Deposit account charges and other fees | 19,938 | 24,157 | 22,951 |
| Other Deposit Account Charges [Member] | |||
| Deposit Account Charges and Other Fees [Line Items] | |||
| Deposit account charges and other fees | $ 21,942 | $ 23,009 | $ 23,514 |
Revenue from Contracts with Customers Revenue from Contracts with Customers (Schedule of Consumer Brokerage Services) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Consumer Brokerage Services [Line Items] | |||
| Brokerage Commissions Revenue | $ 19,117 | $ 18,362 | $ 15,095 |
| Commission Income [Member] | |||
| Consumer Brokerage Services [Line Items] | |||
| Brokerage Commissions Revenue | 10,359 | 9,328 | 8,002 |
| Managed Account Services [Member] | |||
| Consumer Brokerage Services [Line Items] | |||
| Brokerage Commissions Revenue | $ 8,758 | $ 9,034 | $ 7,093 |
Fair Value Measurements (Narrative) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Private equity investments, included in non-marketable securities | $ 178,127 | $ 147,406 |
| Fair Value Hierarchy, Level 3 [Member] | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Auction rate securities, available for sale | 1,800 | |
| Private equity investments, included in non-marketable securities | $ 178,127 | $ 147,406 |
Fair Value Measurements (Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) |
Dec. 31, 2022 |
Dec. 31, 2021 |
||
|---|---|---|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Mortgages Held-for-sale, Fair Value Disclosure | $ 0 | $ 5,570,000 | ||
| U.S. government and federal agency obligations | 1,035,406,000 | 1,080,720,000 | ||
| Government-sponsored enterprise obligations | 43,108,000 | 51,755,000 | ||
| State and municipal obligations | 1,767,109,000 | 2,096,827,000 | ||
| Agency mortgage-backed securities | 4,308,427,000 | 5,683,000,000 | ||
| Non-agency mortgage-backed securities | 1,211,607,000 | 1,366,477,000 | ||
| Asset-backed securities | 3,397,801,000 | 3,539,219,000 | ||
| Other debt securities | 474,858,000 | 632,029,000 | ||
| Trading securities | 43,523,000 | 46,235,000 | ||
| Equity securities with readily determinable fair values | 6,210,000 | 7,153,000 | ||
| Private equity investments | 178,127,000 | 147,406,000 | ||
| Derivative Assets | [1] | 60,492,000 | 41,842,000 | |
| Deferred Compensation Plan Assets | 17,856,000 | 21,794,000 | ||
| Total Assets | 12,544,524,000 | 14,720,027,000 | ||
| Derivative Liability | [1] | 54,984,000 | 12,101,000 | |
| Deferred Compensation Liability, Current and Noncurrent | 17,856,000 | 21,794,000 | ||
| Total liabilities | 72,840,000 | 33,895,000 | ||
| Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Mortgages Held-for-sale, Fair Value Disclosure | 0 | 0 | ||
| U.S. government and federal agency obligations | 1,035,406,000 | 1,080,720,000 | ||
| Government-sponsored enterprise obligations | 0 | 0 | ||
| State and municipal obligations | 0 | 0 | ||
| Agency mortgage-backed securities | 0 | 0 | ||
| Non-agency mortgage-backed securities | 0 | 0 | ||
| Asset-backed securities | 0 | 0 | ||
| Other debt securities | 0 | 0 | ||
| Trading securities | 0 | 0 | ||
| Equity securities with readily determinable fair values | 6,210,000 | 7,153,000 | ||
| Private equity investments | 0 | 0 | ||
| Derivative Assets | [1] | 0 | 0 | |
| Deferred Compensation Plan Assets | 17,856,000 | 21,794,000 | ||
| Total Assets | 1,059,472,000 | 1,109,667,000 | ||
| Derivative Liability | [1] | 0 | 0 | |
| Deferred Compensation Liability, Current and Noncurrent | 17,856,000 | 21,794,000 | ||
| Total liabilities | 17,856,000 | 21,794,000 | ||
| Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Mortgages Held-for-sale, Fair Value Disclosure | 0 | 5,570,000 | ||
| U.S. government and federal agency obligations | 0 | 0 | ||
| Government-sponsored enterprise obligations | 43,108,000 | 51,755,000 | ||
| State and municipal obligations | 1,765,268,000 | 2,094,843,000 | ||
| Agency mortgage-backed securities | 4,308,427,000 | 5,683,000,000 | ||
| Non-agency mortgage-backed securities | 1,211,607,000 | 1,366,477,000 | ||
| Asset-backed securities | 3,397,801,000 | 3,539,219,000 | ||
| Other debt securities | 474,858,000 | 632,029,000 | ||
| Trading securities | 43,523,000 | 46,235,000 | ||
| Equity securities with readily determinable fair values | 0 | 0 | ||
| Private equity investments | 0 | 0 | ||
| Derivative Assets | [1] | 60,458,000 | 40,994,000 | |
| Deferred Compensation Plan Assets | 0 | 0 | ||
| Total Assets | 11,305,050,000 | 13,460,122,000 | ||
| Derivative Liability | [1] | 54,865,000 | 11,824,000 | |
| Deferred Compensation Liability, Current and Noncurrent | 0 | 0 | ||
| Total liabilities | 54,865,000 | 11,824,000 | ||
| Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Mortgages Held-for-sale, Fair Value Disclosure | 0 | 0 | ||
| U.S. government and federal agency obligations | 0 | 0 | ||
| Government-sponsored enterprise obligations | 0 | 0 | ||
| State and municipal obligations | 1,841,000 | 1,984,000 | ||
| Agency mortgage-backed securities | 0 | 0 | ||
| Non-agency mortgage-backed securities | 0 | 0 | ||
| Asset-backed securities | 0 | 0 | ||
| Other debt securities | 0 | 0 | ||
| Trading securities | 0 | 0 | ||
| Equity securities with readily determinable fair values | 0 | 0 | ||
| Private equity investments | 178,127,000 | 147,406,000 | ||
| Derivative Assets | [1] | 34,000 | 848,000 | |
| Deferred Compensation Plan Assets | 0 | 0 | ||
| Total Assets | 180,002,000 | 150,238,000 | ||
| Derivative Liability | [1] | 119,000 | 277,000 | |
| Deferred Compensation Liability, Current and Noncurrent | 0 | 0 | ||
| Total liabilities | $ 119,000 | $ 277,000 | ||
| ||||
Fair Value Measurements (Summary of Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Beginning balance | $ 149,961 | $ 105,077 |
| Total gains or losses (realized/unrealized) included in earnings | 43,242 | 33,694 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | (148) | (170) |
| Investment securities called | 0 | (6,000) |
| Discount accretion | 5 | 186 |
| Purchases of private equity securities | 12,281 | 31,449 |
| Sale / paydown of private equity securities | (25,437) | (16,523) |
| Capitalized interest/dividends | 44 | 1,768 |
| Purchase of risk participation agreement | 459 | 685 |
| Sale of risk participation agreement | (524) | (205) |
| Ending balance | $ 179,883 | 149,961 |
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Investment securities gains (losses), net | |
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] | Net unrealized gains (losses) on other securities | |
| Total gains or losses for the annual period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at period end | $ 35,503 | 29,129 |
| Gains (Losses) included in OCI Attributable to Change in Unrealized Gains (Losses) Relating to Assets Still Held, Total | (148) | 11 |
| State and Municipal Obligations [Member] | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Beginning balance | 1,984 | 7,968 |
| Total gains or losses (realized/unrealized) included in earnings | 0 | 0 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | (148) | (170) |
| Investment securities called | 0 | (6,000) |
| Discount accretion | 5 | 186 |
| Purchases of private equity securities | 0 | 0 |
| Sale / paydown of private equity securities | 0 | 0 |
| Capitalized interest/dividends | 0 | 0 |
| Purchase of risk participation agreement | 0 | 0 |
| Sale of risk participation agreement | 0 | 0 |
| Ending balance | 1,841 | 1,984 |
| Total gains or losses for the annual period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at period end | 0 | 0 |
| Gains (Losses) included in OCI Attributable to Change in Unrealized Gains (Losses) Relating to Assets Still Held, Total | (148) | 11 |
| Private Equity Investments [Member] | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Beginning balance | 147,406 | 94,368 |
| Total gains or losses (realized/unrealized) included in earnings | 43,833 | 36,344 |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 |
| Investment securities called | 0 | 0 |
| Discount accretion | 0 | 0 |
| Purchases of private equity securities | 12,281 | 31,449 |
| Sale / paydown of private equity securities | (25,437) | (16,523) |
| Capitalized interest/dividends | 44 | 1,768 |
| Purchase of risk participation agreement | 0 | 0 |
| Sale of risk participation agreement | 0 | 0 |
| Ending balance | 178,127 | 147,406 |
| Total gains or losses for the annual period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at period end | 35,333 | 28,654 |
| Gains (Losses) included in OCI Attributable to Change in Unrealized Gains (Losses) Relating to Assets Still Held, Total | 0 | 0 |
| Derivatives [Member] | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||
| Beginning balance | 571 | 2,741 |
| Total gains or losses (realized/unrealized) included in earnings | (591) | (2,650) |
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | 0 | 0 |
| Investment securities called | 0 | 0 |
| Discount accretion | 0 | 0 |
| Purchases of private equity securities | 0 | 0 |
| Sale / paydown of private equity securities | 0 | 0 |
| Capitalized interest/dividends | 0 | 0 |
| Purchase of risk participation agreement | 459 | 685 |
| Sale of risk participation agreement | (524) | (205) |
| Ending balance | (85) | 571 |
| Total gains or losses for the annual period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at period end | 170 | 475 |
| Gains (Losses) included in OCI Attributable to Change in Unrealized Gains (Losses) Relating to Assets Still Held, Total | $ 0 | $ 0 |
Fair Value Measurements (Summary of Gains and Losses on Level 3 Assets and Liabilities) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Trading Activity, Gains and Losses, Net [Line Items] | ||
| Total gains or losses included in earnings | $ 43,242 | $ 33,694 |
| Change in unrealized gains or losses relating to assets still held at period end | 35,503 | 29,129 |
| Loans Fees And Sales [Member] | ||
| Trading Activity, Gains and Losses, Net [Line Items] | ||
| Total gains or losses included in earnings | (763) | (2,463) |
| Change in unrealized gains or losses relating to assets still held at period end | 0 | 764 |
| Other Non-Interest Income [Member] | ||
| Trading Activity, Gains and Losses, Net [Line Items] | ||
| Total gains or losses included in earnings | 172 | (187) |
| Change in unrealized gains or losses relating to assets still held at period end | 170 | (289) |
| Investment Securities Gains (Losses), Net [Member] | ||
| Trading Activity, Gains and Losses, Net [Line Items] | ||
| Total gains or losses included in earnings | 43,833 | 36,344 |
| Change in unrealized gains or losses relating to assets still held at period end | $ 35,333 | $ 28,654 |
Fair Value Measurements (Summary of Quantitative Information About Level 3 Fair Value Measurements) (Details) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2022 | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value, Discounted Cash Flow, Valuation Techniques | Discounted cash flow | |||
| Auction Rate Securities [Member] | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value, Discounted Cash Flow, Valuation Techniques | Discounted cash flow | |||
| Fair Value, Estimated Market Recovery Period, Years | 5 years | |||
| Auction Rate Securities [Member] | Minimum [Member] | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value, Estimated Market Rate, Percent | 7.20% | |||
| Auction Rate Securities [Member] | Maximum [Member] | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value, Estimated Market Rate, Percent | 7.80% | |||
| Auction Rate Securities [Member] | Weighted Average [Member] | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value, Estimated Market Recovery Period, Years | 5 years | [1] | ||
| Fair Value, Estimated Market Rate, Percent | 7.50% | [1] | ||
| Private Equity Funds [Member] | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value, Market Comparable Companies, Valuation Techniques | Market comparable companies | |||
| Private Equity Funds [Member] | Minimum [Member] | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple | 4.0 | |||
| Private Equity Funds [Member] | Maximum [Member] | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple | 6.5 | |||
| Private Equity Funds [Member] | Weighted Average [Member] | ||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
| Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple | 5.4 | [1] | ||
| ||||
Fair Value Measurements (Schedule of Fair Value Disclosures Measured On Nonrecurring Basis) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Fair Value, Concentration of Risk, Financial Statement Captions [Line Items] | ||
| Collateral dependent loans, fair value | $ 1,988 | $ 1,664 |
| Collateral dependent loans, Total Gains (Losses) | (2,090) | (213) |
| Mortgage servicing rights, fair value | 10,929 | 10,966 |
| Mortgage servicing rights, Total Gains (Losses) | 304 | 1,799 |
| Long Lived Assets Nonrecurring Basis, fair value | 480 | 1,018 |
| Long Lived Assets Nonrecurring Basis Gains (Losses) | (965) | (1,101) |
| Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||
| Fair Value, Concentration of Risk, Financial Statement Captions [Line Items] | ||
| Collateral dependent loans, fair value | 0 | 0 |
| Mortgage servicing rights, fair value | 0 | 0 |
| Long Lived Assets Nonrecurring Basis, fair value | 0 | 0 |
| Significant Other Observable Inputs (Level 2) [Member] | ||
| Fair Value, Concentration of Risk, Financial Statement Captions [Line Items] | ||
| Collateral dependent loans, fair value | 0 | 0 |
| Mortgage servicing rights, fair value | 0 | 0 |
| Long Lived Assets Nonrecurring Basis, fair value | 0 | 0 |
| Significant Unobservable Inputs (Level 3) [Member] | ||
| Fair Value, Concentration of Risk, Financial Statement Captions [Line Items] | ||
| Collateral dependent loans, fair value | 1,988 | 1,664 |
| Mortgage servicing rights, fair value | 10,929 | 10,966 |
| Long Lived Assets Nonrecurring Basis, fair value | $ 480 | $ 1,018 |
Fair Value Measurements (Schedule of Quantitative Information about Level Three Fair Value Measurements - Nonrecurring Basis) (Details) |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2022
USD ($)
| ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Fair Value, Discounted Cash Flow, Valuation Techniques | Discounted cash flow | |||
| Mortgage Servicing Rights [Member] | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Unobservable Inputs, Loan Servicing Costs, Loans in Foreclosure | $ 1,000 | |||
| Mortgage Servicing Rights [Member] | Minimum [Member] | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Unobservable Input, Discount Rate | 9.51% | |||
| Unobservable Input, Prepayment Speed | 6.26% | [1] | ||
| Unobservable Input, Loan Servicing Costs, Performing Loans | $ 70 | |||
| Unobservable Input, Loan Servicing Costs, Delinquent Loans | $ 200 | |||
| Mortgage Servicing Rights [Member] | Maximum [Member] | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Unobservable Input, Discount Rate | 9.72% | |||
| Unobservable Input, Prepayment Speed | 7.28% | [1] | ||
| Unobservable Input, Loan Servicing Costs, Performing Loans | $ 72 | |||
| Unobservable Input, Loan Servicing Costs, Delinquent Loans | $ 750 | |||
| Mortgage Servicing Rights [Member] | Weighted Average [Member] | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Unobservable Input, Discount Rate | 9.60% | [1] | ||
| Unobservable Input, Prepayment Speed | 6.43% | [1] | ||
| Unobservable Input, Loan Servicing Costs, Performing Loans | $ 71 | [1] | ||
| ||||
Fair Value Of Financial Instruments (Schedule Of Estimated Fair Value Of Financial Instruments) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
||
|---|---|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Federal funds sold | $ 49,505 | $ 2,800 | ||
| Interest-bearing Deposits in Banks and Other Financial Institutions | 389,140 | 3,971,217 | ||
| Cash and due from banks | 452,496 | 305,539 | ||
| Derivative Assets | [1] | 60,492 | 41,842 | |
| Deferred Compensation Plan Assets | 17,856 | 21,794 | ||
| Total Assets | 12,544,524 | 14,720,027 | ||
| Non-interest bearing | 10,066,356 | 11,772,374 | ||
| Savings, interest checking and money market | 15,126,981 | 16,598,085 | ||
| Time Deposits | 994,103 | |||
| Other borrowings | $ 9,672 | 12,560 | ||
| Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other liabilities | |||
| Derivative Liability | [1] | $ 54,984 | 12,101 | |
| Deferred Compensation Liability, Current and Noncurrent | 17,856 | 21,794 | ||
| Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Derivative Assets | [1] | 0 | 0 | |
| Deferred Compensation Plan Assets | 17,856 | 21,794 | ||
| Total Assets | 1,059,472 | 1,109,667 | ||
| Derivative Liability | [1] | 0 | 0 | |
| Deferred Compensation Liability, Current and Noncurrent | 17,856 | 21,794 | ||
| Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Derivative Assets | [1] | 60,458 | 40,994 | |
| Deferred Compensation Plan Assets | 0 | 0 | ||
| Total Assets | 11,305,050 | 13,460,122 | ||
| Derivative Liability | [1] | 54,865 | 11,824 | |
| Deferred Compensation Liability, Current and Noncurrent | 0 | 0 | ||
| Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Derivative Assets | [1] | 34 | 848 | |
| Deferred Compensation Plan Assets | 0 | 0 | ||
| Total Assets | 180,002 | 150,238 | ||
| Derivative Liability | [1] | 119 | 277 | |
| Deferred Compensation Liability, Current and Noncurrent | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 15,645,261 | 15,040,655 | ||
| Loans Held-for-sale, Fair Value Disclosure | 4,964 | 8,615 | ||
| Investments, Fair Value Disclosure | 12,511,649 | 14,695,628 | ||
| Federal funds sold | 49,505 | 2,800 | ||
| Securities Purchased under Agreements to Resell | 795,574 | 1,623,856 | ||
| Interest-bearing Deposits in Banks and Other Financial Institutions | 389,140 | 3,971,217 | ||
| Cash and due from banks | 452,496 | 305,539 | ||
| Derivative Assets | 60,492 | 41,842 | ||
| Deferred Compensation Plan Assets | 17,856 | 21,794 | ||
| Total Assets | 29,926,937 | 35,711,946 | ||
| Non-interest bearing | 10,066,356 | 11,772,374 | ||
| Savings, interest checking and money market | 15,126,981 | 16,598,085 | ||
| Time Deposits | 982,613 | 1,438,919 | ||
| Federal Funds Purchased, Fair Value Disclosure | 159,860 | 43,385 | ||
| Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 2,684,471 | 2,979,677 | ||
| Other borrowings | 8,831 | 12,514 | ||
| Derivative Liability | 54,984 | 12,101 | ||
| Deferred Compensation Liability, Current and Noncurrent | 17,856 | 21,794 | ||
| Financial Liabilities Fair Value Disclosure | 29,101,952 | 32,878,849 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Loans Held-for-sale, Fair Value Disclosure | 0 | 0 | ||
| Investments, Fair Value Disclosure | 1,041,616 | 1,087,873 | ||
| Federal funds sold | 49,505 | 2,800 | ||
| Securities Purchased under Agreements to Resell | 0 | 0 | ||
| Interest-bearing Deposits in Banks and Other Financial Institutions | 389,140 | 3,971,217 | ||
| Cash and due from banks | 452,496 | 305,539 | ||
| Derivative Assets | 0 | 0 | ||
| Deferred Compensation Plan Assets | 17,856 | 21,794 | ||
| Total Assets | 1,950,613 | 5,389,223 | ||
| Non-interest bearing | 10,066,356 | 11,772,374 | ||
| Savings, interest checking and money market | 15,126,981 | 16,598,085 | ||
| Time Deposits | 0 | 0 | ||
| Federal Funds Purchased, Fair Value Disclosure | 159,860 | 43,385 | ||
| Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 0 | 0 | ||
| Other borrowings | 0 | 0 | ||
| Derivative Liability | 0 | 0 | ||
| Deferred Compensation Liability, Current and Noncurrent | 17,856 | 21,794 | ||
| Financial Liabilities Fair Value Disclosure | 25,371,053 | 28,435,638 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Loans Held-for-sale, Fair Value Disclosure | 4,964 | 8,615 | ||
| Investments, Fair Value Disclosure | 11,244,592 | 13,413,558 | ||
| Federal funds sold | 0 | 0 | ||
| Securities Purchased under Agreements to Resell | 0 | 0 | ||
| Interest-bearing Deposits in Banks and Other Financial Institutions | 0 | 0 | ||
| Cash and due from banks | 0 | 0 | ||
| Derivative Assets | 60,458 | 40,994 | ||
| Deferred Compensation Plan Assets | 0 | 0 | ||
| Total Assets | 11,310,014 | 13,463,167 | ||
| Non-interest bearing | 0 | 0 | ||
| Savings, interest checking and money market | 0 | 0 | ||
| Time Deposits | 0 | 0 | ||
| Federal Funds Purchased, Fair Value Disclosure | 0 | 0 | ||
| Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 0 | 0 | ||
| Other borrowings | 8,831 | 12,514 | ||
| Derivative Liability | 54,865 | 11,824 | ||
| Deferred Compensation Liability, Current and Noncurrent | 0 | 0 | ||
| Financial Liabilities Fair Value Disclosure | 63,696 | 24,338 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 15,645,261 | 15,040,655 | ||
| Loans Held-for-sale, Fair Value Disclosure | 0 | 0 | ||
| Investments, Fair Value Disclosure | 225,441 | 194,197 | ||
| Federal funds sold | 0 | 0 | ||
| Securities Purchased under Agreements to Resell | 795,574 | 1,623,856 | ||
| Interest-bearing Deposits in Banks and Other Financial Institutions | 0 | 0 | ||
| Cash and due from banks | 0 | 0 | ||
| Derivative Assets | 34 | 848 | ||
| Deferred Compensation Plan Assets | 0 | 0 | ||
| Total Assets | 16,666,310 | 16,859,556 | ||
| Non-interest bearing | 0 | 0 | ||
| Savings, interest checking and money market | 0 | 0 | ||
| Time Deposits | 982,613 | 1,438,919 | ||
| Federal Funds Purchased, Fair Value Disclosure | 0 | 0 | ||
| Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 2,684,471 | 2,979,677 | ||
| Other borrowings | 0 | 0 | ||
| Derivative Liability | 119 | 277 | ||
| Deferred Compensation Liability, Current and Noncurrent | 0 | 0 | ||
| Financial Liabilities Fair Value Disclosure | 3,667,203 | 4,418,873 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Business [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 5,506,128 | 5,229,153 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Business [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Business [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Business [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 5,506,128 | 5,229,153 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Construction And Land [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 1,347,328 | 1,099,747 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Construction And Land [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Construction And Land [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Construction And Land [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 1,347,328 | 1,099,747 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Business [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 3,289,655 | 3,054,481 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Business [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Business [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Business [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 3,289,655 | 3,054,481 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Personal [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 2,654,423 | 2,809,490 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Personal [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Personal [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Real Estate - Personal [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 2,654,423 | 2,809,490 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Consumer Loan [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 1,999,788 | 2,031,408 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Consumer Loan [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Consumer Loan [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Consumer Loan [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 1,999,788 | 2,031,408 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Revolving Home Equity [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 295,005 | 273,450 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Revolving Home Equity [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Revolving Home Equity [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Revolving Home Equity [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 295,005 | 273,450 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Consumer Credit Card [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 538,268 | 536,468 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Consumer Credit Card [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Consumer Credit Card [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Consumer Credit Card [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 538,268 | 536,468 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Overdrafts [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 14,666 | 6,458 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Overdrafts [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Overdrafts [Member] | Significant Other Observable Inputs (Level 2) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 0 | 0 | ||
| Estimate of Fair Value, Fair Value Disclosure [Member] | Overdrafts [Member] | Significant Unobservable Inputs (Level 3) [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 14,666 | 6,458 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 16,303,131 | 15,176,359 | ||
| Loans Held-for-sale, Fair Value Disclosure | 4,964 | 8,615 | ||
| Investments, Fair Value Disclosure | 12,511,649 | 14,695,628 | ||
| Federal funds sold | 49,505 | 2,800 | ||
| Securities Purchased under Agreements to Resell | 825,000 | 1,625,000 | ||
| Interest-bearing Deposits in Banks and Other Financial Institutions | 389,140 | 3,971,217 | ||
| Cash and due from banks | 452,496 | 305,539 | ||
| Derivative Assets | 60,492 | 41,842 | ||
| Deferred Compensation Plan Assets | 17,856 | 21,794 | ||
| Total Assets | 30,614,233 | 35,848,794 | ||
| Non-interest bearing | 10,066,356 | 11,772,374 | ||
| Savings, interest checking and money market | 15,126,981 | 16,598,085 | ||
| Time Deposits | 994,103 | 1,442,614 | ||
| Federal Funds Purchased, Fair Value Disclosure | 159,860 | 43,385 | ||
| Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure | 2,681,874 | 2,979,582 | ||
| Other borrowings | 8,831 | 12,514 | ||
| Derivative Liability | 54,984 | 12,101 | ||
| Deferred Compensation Liability, Current and Noncurrent | 17,856 | 21,794 | ||
| Financial Liabilities Fair Value Disclosure | 29,110,845 | 32,882,449 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | Business [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 5,661,725 | 5,303,535 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | Real Estate - Construction And Land [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 1,361,095 | 1,118,266 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | Real Estate - Business [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 3,406,981 | 3,058,837 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | Real Estate - Personal [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 2,918,078 | 2,805,401 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | Consumer Loan [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 2,059,088 | 2,032,225 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | Revolving Home Equity [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 297,207 | 275,945 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | Consumer Credit Card [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | 584,000 | 575,410 | ||
| Carrying (Reported) Amount, Fair Value Disclosure [Member] | Overdrafts [Member] | ||||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||||
| Loans Receivable, Fair Value Disclosure | $ 14,957 | $ 6,740 | ||
| ||||
Derivative Instruments (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|||
| Derivative [Line Items] | |||||
| Derivative, Notional Amount | $ 3,742,521 | $ 2,916,181 | |||
| Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge | 6 years | ||||
| Derivative Assets | [1] | $ 60,492 | 41,842 | ||
| Interest Rate Floor [Member] | |||||
| Derivative [Line Items] | |||||
| Derivative, Notional Amount | 1,000,000 | 0 | |||
| Premium paid for interest rate floor | 35,800 | ||||
| Net unrealized gain (loss) on interest rate floors | 2,400 | ||||
| Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months | $ 4,900 | ||||
| Interest Rate Floor [Member] | September 19, 2022 | |||||
| Derivative [Line Items] | |||||
| Derivative, Description of Terms | The first floor has a purchased strike rate of 2.50%, is forward-starting beginning on January 1, 2024 and matures on January 1, 2030. In the event that the index rate falls below zero, the maximum rate spread the Company can earn on the notional amount is limited to 2.50%. | ||||
| Interest Rate Floor [Member] | October 19, 2022 | |||||
| Derivative [Line Items] | |||||
| Derivative, Description of Terms | The second floor has a purchased strike rate of 3.00%, is forward-starting beginning on April 1, 2024 and matures on April 1, 2030. In the event that the index rate on the second floor falls below zero, the maximum rate the Company can earn on the notional amount of the second floor is limited to 3.00%. | ||||
| Monetized Interest Rate Floor [Member] | |||||
| Derivative [Line Items] | |||||
| Derivative, Notional Amount | $ 1,500,000 | ||||
| Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months | $ 23,600 | ||||
| Derivative Assets | $ 163,200 | ||||
| Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred | $ 74,900 | ||||
| Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer | 4 years | ||||
| Interest Rate Swaps [Member] | |||||
| Derivative [Line Items] | |||||
| Derivative, Notional Amount | $ 1,981,821 | 2,229,419 | |||
| Variation Margin Impact to Positive Fair Values of Cleared Swaps | (27,800) | (587) | |||
| Variation Margin Impact to Negative Fair Values of Cleared Swaps | $ 0 | $ (29,700) | |||
| |||||
Derivative Instruments (Schedule Of Notional Amounts Of Derivative Instruments) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Derivative [Line Items] | ||
| Derivative, Notional Amount | $ 3,742,521 | $ 2,916,181 |
| Interest Rate Swaps [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | 1,981,821 | 2,229,419 |
| Interest Rate Floor [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | 1,000,000 | 0 |
| Interest Rate Caps [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | 152,784 | 152,058 |
| Credit Risk Participation Agreements [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | 579,925 | 485,633 |
| Foreign Exchange Contracts [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | 27,991 | 5,119 |
| Mortgage Loan Commitments [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | 0 | 21,787 |
| Mortgage Loan Forward Sale Contracts [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | 0 | 1,165 |
| Forward Contracts [Member] | ||
| Derivative [Line Items] | ||
| Derivative, Notional Amount | $ 0 | $ 21,000 |
Derivative Instruments (Schedule Of Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
||||
|---|---|---|---|---|---|---|
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | [1] | $ 60,492 | $ 41,842 | |||
| Other liabilities | [1] | $ (54,984) | (12,101) | |||
| Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Other assets | |||||
| Designated as Hedging Instrument [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | $ 33,371 | 0 | ||||
| Other liabilities | 0 | 0 | ||||
| Designated as Hedging Instrument [Member] | Interest Rate Floor [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | 33,371 | 0 | ||||
| Other liabilities | 0 | 0 | ||||
| Not Designated as Hedging Instrument [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | 27,121 | 41,842 | ||||
| Other liabilities | (54,984) | (12,101) | ||||
| Not Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | [2] | 23,894 | 40,752 | |||
| Other liabilities | [2] | (51,742) | (11,606) | |||
| Not Designated as Hedging Instrument [Member] | Interest Rate Caps [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | 2,705 | 147 | ||||
| Other liabilities | (2,705) | (147) | ||||
| Not Designated as Hedging Instrument [Member] | Credit Risk Participation Agreements [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | 34 | 84 | ||||
| Other liabilities | (119) | (277) | ||||
| Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | 488 | 77 | ||||
| Other liabilities | (418) | (45) | ||||
| Not Designated as Hedging Instrument [Member] | Mortgage Loan Commitments [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | 0 | 764 | ||||
| Other liabilities | 0 | 0 | ||||
| Not Designated as Hedging Instrument [Member] | Mortgage Loan Forward Sale Contracts [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | 0 | 5 | ||||
| Other liabilities | 0 | (1) | ||||
| Not Designated as Hedging Instrument [Member] | Forward Contracts [Member] | ||||||
| Derivatives, Fair Value [Line Items] | ||||||
| Other assets | 0 | 13 | ||||
| Other liabilities | $ 0 | $ (25) | ||||
| ||||||
Derivative Instruments (Summary of Cash Flow Hedge Activity) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Summary of Cash Flow Hedge Activity [Line Items] | |||
| Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | Interest and fees on loans | Interest and fees on loans | Interest and fees on loans |
| Designated as Hedging Instrument [Member] | |||
| Summary of Cash Flow Hedge Activity [Line Items] | |||
| OCIDerivativeInstrumentsGainLossBeforeReclassificationAndTaxEffectivePortion | $ (2,428) | $ 0 | $ 93,497 |
| Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax | 0 | 0 | 120,140 |
| Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax | (2,428) | 0 | (26,643) |
| Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 23,355 | 24,160 | 10,319 |
| Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 30,679 | 30,310 | 15,257 |
| Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, before Tax | (7,324) | (6,150) | (4,938) |
| Interest Rate Floor [Member] | Designated as Hedging Instrument [Member] | |||
| Summary of Cash Flow Hedge Activity [Line Items] | |||
| OCIDerivativeInstrumentsGainLossBeforeReclassificationAndTaxEffectivePortion | (2,428) | 0 | 93,497 |
| Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax | 0 | 0 | 120,140 |
| Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax | (2,428) | 0 | (26,643) |
| Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 23,355 | 24,160 | 10,319 |
| Interest Rate Floor [Member] | Designated as Hedging Instrument [Member] | Interest and Fee Income on Loans [Member] | |||
| Summary of Cash Flow Hedge Activity [Line Items] | |||
| Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 30,679 | 30,310 | 15,257 |
| Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, before Tax | $ (7,324) | $ (6,150) | $ (4,938) |
Derivative Instruments (Summary Of The Effects Of Derivative Instruments On Consolidated Statements Of Income) (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | $ 3,704 | $ 2,394 | $ 1,963 |
| Other Non-Interest Income [Member] | Interest Rate Swaps [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | 2,472 | 3,170 | 317 |
| Other Non-Interest Income [Member] | Interest Rate Caps [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | 16 | 15 | 20 |
| Other Non-Interest Income [Member] | Credit Risk Participation Agreements [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | 172 | (187) | 413 |
| Other Non-Interest Income [Member] | Foreign Exchange Contracts [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | 38 | 78 | (111) |
| Loans Fees And Sales [Member] | Mortgage Loan Commitments [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | (763) | (2,463) | 2,768 |
| Loans Fees And Sales [Member] | Mortgage Loan Forward Sale Contracts [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | (4) | 4 | (4) |
| Loans Fees And Sales [Member] | Forward Contracts [Member] | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (Loss) on Derivative Instruments, Net, Pretax | $ 1,773 | $ 1,777 | $ (1,440) |
Derivative Instruments Derivative Instruments (Balance Sheet Offsetting) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
||
|---|---|---|---|---|
| Balance Sheet Offsetting [Line Items] | ||||
| Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement | $ 60,492 | $ 41,842 | ||
| Derivative Asset, Amount Offset by Liabiilty | 0 | 0 | ||
| Derivative Assets | [1] | 60,492 | 41,842 | |
| Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement | 54,984 | 12,101 | ||
| Derivative Liability, Amount Offset by Asset | 0 | 0 | ||
| Derivative Liability | [1] | 54,984 | 12,101 | |
| Derivative Subject to Master Netting Agreement [Member] | ||||
| Balance Sheet Offsetting [Line Items] | ||||
| Derivative Asset, Fair Value, Gross Asset | 60,270 | 40,970 | ||
| Derivative Asset, Amount Offset by Liabiilty | 0 | 0 | ||
| Derivative Asset, Noncurrent | 60,270 | 40,970 | ||
| Derivative Asset, Not Offset, Policy Election Deduction | (1,007) | (347) | ||
| Derivative Asset, Fair Value of Collateral | (56,816) | 0 | ||
| Derivative Asset, Fair Value, Amount Offset Against Collateral | 2,447 | 40,623 | ||
| Derivative Liability, Fair Value, Gross Liability | 54,609 | 12,019 | ||
| Derivative Liability, Amount Offset by Asset | 0 | 0 | ||
| Derivative Liability, Noncurrent | 54,609 | 12,019 | ||
| Derivative Liability, Not Offset, Policy Election Deduction | (1,007) | (347) | ||
| Derivative Liability, Fair Value of Collateral | 0 | (10,146) | ||
| Derivative Liability, Fair Value, Amount Offset Against Collateral | 53,602 | 1,526 | ||
| Derivative Not Subject to Master Netting Agreement [Member] | ||||
| Balance Sheet Offsetting [Line Items] | ||||
| Derivative Asset, Fair Value, Gross Asset | 222 | 872 | ||
| Derivative Asset, Amount Offset by Liabiilty | 0 | 0 | ||
| Derivative Asset, Not Subject to Master Netting Arrangement | 222 | 872 | ||
| Derivative Liability, Fair Value, Gross Liability | 375 | 82 | ||
| Derivative Liability, Amount Offset by Asset | 0 | 0 | ||
| Derivative Liability, Not Subject to Master Netting Arrangement | $ 375 | $ 82 | ||
| ||||
Resale and Repurchase Agreements (Narrative) (Details) - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Collateral Swap [Member] | ||
| Collateral swap agreements | $ 200.0 | $ 400.0 |
Resale and Repurchase Agreements (Balance Sheet Offsetting) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Resale agreement [Member] | ||
| Balance Sheet Offsetting [Line Items] | ||
| Securities Purchased under Agreements to Resell, Gross | $ 1,025,000 | $ 2,025,000 |
| Securities Purchased under Agreements to Resell, Liability | (200,000) | (400,000) |
| Securities purchased under agreements to resell, net | 825,000 | 1,625,000 |
| Securities Purchased under Agreements to Resell, Not Subject to Master Netting Arrangement | 0 | 0 |
| Securities Purchased under Agreements to Resell, Collateral, Obligation to Return Securities | (825,000) | (1,625,000) |
| Securities Purchased under Agreements to Resell, Amount Offset Against Collateral | 0 | 0 |
| Repurchase agreement [Member] | ||
| Balance Sheet Offsetting [Line Items] | ||
| Securities Sold under Agreements to Repurchase, Gross | 2,881,874 | 3,379,582 |
| Securities Sold under Agreements to Repurchase, Asset | (200,000) | (400,000) |
| Securities sold under agreements to repurchase, net | 2,681,874 | 2,979,582 |
| Securities Sold under Agreements to Repurchase, Not Subject to Master Netting Arrangement | 0 | 0 |
| Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities | (2,681,874) | (2,979,582) |
| Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral | $ 0 | $ 0 |
Resale and Repurchase Agreements (Remaining Contractual Maturities of Repurchase Agreements) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Maturity Overnight [Member] | US Treasury and Government [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 488,053 | $ 600,866 |
| Maturity Overnight [Member] | Agency mortgage-backed securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 1,792,314 | 1,844,652 |
| Maturity Overnight [Member] | Non-agency mortgage-backed securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 40,950 | 32,299 |
| Maturity Overnight [Member] | Asset-backed Securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 293,001 | 422,525 |
| Maturity Overnight [Member] | Other Debt Securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 1,924 | 32,450 |
| Maturity Overnight [Member] | Repurchase Agreements [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 2,616,242 | 2,932,792 |
| Maturity up to 90 days [Member] | US Treasury and Government [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 26,928 | 33,373 |
| Maturity up to 90 days [Member] | Agency mortgage-backed securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 21,744 | 3,908 |
| Maturity up to 90 days [Member] | Non-agency mortgage-backed securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0 |
| Maturity up to 90 days [Member] | Asset-backed Securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0 |
| Maturity up to 90 days [Member] | Other Debt Securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0 |
| Maturity up to 90 days [Member] | Repurchase Agreements [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 48,672 | 37,281 |
| Maturity Greater than 90 Days [Member] | US Treasury and Government [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 12,460 | 9,259 |
| Maturity Greater than 90 Days [Member] | Agency mortgage-backed securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 204,500 | 400,250 |
| Maturity Greater than 90 Days [Member] | Non-agency mortgage-backed securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0 |
| Maturity Greater than 90 Days [Member] | Asset-backed Securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0 |
| Maturity Greater than 90 Days [Member] | Other Debt Securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0 |
| Maturity Greater than 90 Days [Member] | Repurchase Agreements [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 216,960 | 409,509 |
| Total Repurchase Agreements [Member] [Domain] | US Treasury and Government [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 527,441 | 643,498 |
| Total Repurchase Agreements [Member] [Domain] | Agency mortgage-backed securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 2,018,558 | 2,248,810 |
| Total Repurchase Agreements [Member] [Domain] | Non-agency mortgage-backed securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 40,950 | 32,299 |
| Total Repurchase Agreements [Member] [Domain] | Asset-backed Securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 293,001 | 422,525 |
| Total Repurchase Agreements [Member] [Domain] | Other Debt Securities [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | 1,924 | 32,450 |
| Total Repurchase Agreements [Member] [Domain] | Repurchase Agreements [Member] | ||
| Schedule of Underlying Assets of Repurchase Agreements [Line Items] | ||
| Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 2,881,874 | $ 3,379,582 |
Commitments, Contingencies And Guarantees (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Notional amount of underlying swaps | $ 3,742,521 | $ 2,916,181 | |
| Financial Standby Letter of Credit [Member] | |||
| Carrying value of the guarantee obligations, liability | 3,900 | ||
| Commitments outstanding, maximum potential future payments | 614,500 | ||
| State Tax Credits [Member] | |||
| Purchases of state tax credits | 112,700 | ||
| Sales of state tax credits | 126,900 | ||
| Purchase Obligation, to be Paid, Year One | 121,800 | ||
| Outstanding purchase commitments expected to fund | 398,800 | ||
| Risk Participation Agreement [Member] | |||
| Carrying value of the guarantee obligations, liability | 119 | ||
| Notional amount of underlying swaps | $ 421,000 | ||
| Risk Participation Agreement [Member] | Minimum [Member] | |||
| Risk Participation Agreements, Term | 1 year | ||
| Risk Participation Agreement [Member] | Maximum [Member] | |||
| Risk Participation Agreements, Term | 14 years | ||
| Office Building | |||
| Outstanding purchase commitments expected to fund | $ 106,700 | ||
| Purchase Commitment Fulfilled | $ 94,000 | ||
| Lessor, Operating Lease, Lease Not yet Commenced, Term of Contract | 15 years | ||
| Anchor Tenant Percent of Building Leased | 50.00% |
Commitments, Contingencies And Guarantees (Schedule Of Off-Balance Sheet Instruments Commitments) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Commercial letters of credit | $ 4,393 | $ 5,304 |
| Credit Card [Member] | ||
| Commitments to extend credit | 5,190,942 | 5,007,409 |
| Other [Member] | ||
| Commitments to extend credit | 9,102,525 | 8,319,715 |
| Financial Standby Letter of Credit [Member] | ||
| Standby letters of credit, net of conveyances to others | $ 555,858 | $ 418,328 |
Related Parties (Narrative) (Details) - Tower Property [Member] |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2022
USD ($)
$ / Square_Foot
Rate
shares
|
Dec. 31, 2021
USD ($)
$ / Square_Foot
|
Dec. 31, 2020
USD ($)
$ / Square_Foot
|
|
| Percentage of Tower stock owned by the Company's Executive Officers | Rate | 66.00% | ||
| Company stock owned by Tower | shares | 245,410 | ||
| Tower's long-term line of credit with the Bank | $ 13,500,000 | ||
| Tower's line of credit, maximum borrowing amount (based on collateral) | 13,400,000 | ||
| Tower's maximum amount outstanding on the line of credit during period | 0 | $ 0 | $ 0 |
| Tower's line of credit, current balance | 0 | 0 | 0 |
| Tower's letters of credit outstanding, amount | 0 | 0 | 0 |
| Tower's line of credit facility, commitment fee amount | 0 | 0 | 0 |
| Tower's long-term construction loan | 0 | 0 | 0 |
| Rent paid to the Company by Tower | $ 82,000 | $ 83,000 | $ 87,000 |
| Rent per square foot | $ / Square_Foot | 17.44 | 17.25 | 17.19 |
Related Parties (Schedule Of Related Party Expenses) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Related Party Transaction, Expenses from Transactions with Related Party | $ 2,775 | $ 2,609 | $ 3,006 |
| Leasing Agent Fees [Member] | |||
| Related Party Transaction, Expenses from Transactions with Related Party | 125 | 31 | 0 |
| Operation Of Parking Garages [Member] | |||
| Related Party Transaction, Expenses from Transactions with Related Party | 100 | 71 | 81 |
| Building Management Fees [Member] | |||
| Related Party Transaction, Expenses from Transactions with Related Party | 2,118 | 2,046 | 2,110 |
| Property Construction Management Fees [Member] | |||
| Related Party Transaction, Expenses from Transactions with Related Party | 184 | 143 | 251 |
| Tower's project consulting fees | |||
| Related Party Transaction, Expenses from Transactions with Related Party | 0 | 84 | 335 |
| Dividends Paid On Company Stock Held By Tower [Member] | |||
| Related Party Transaction, Expenses from Transactions with Related Party | $ 248 | $ 234 | $ 229 |
Parent Company Condensed Financial Statements (Narrative) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Investments in marketable common and preferred stock | $ 6,210,000 | $ 7,153,000 | |
| Commerce Bancshares, Inc. (Parent) [Member] | |||
| Note receivable due from bank subsidiary | 50,000,000 | 50,000,000 | |
| Parent's line of credit facility with the Bank, maximum borrowing capacity | 20,000,000 | ||
| Financial Instruments Owned Corporate Bonds | 5,200,000 | ||
| Investments in marketable common and preferred stock | 6,000,000 | ||
| Equity Securities without Readily Determinable Fair Value, Amount | 5,100,000 | ||
| Parent line of credit with Bank, borrowings during period | $ 0 | $ 0 | $ 0 |
Parent Company Condensed Financial Statements (Condensed Balance Sheets) (Details) - USD ($) $ in Thousands |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Debt Securities, Available-for-sale | $ 12,238,316 | $ 14,450,027 |
| Equity Securities, FV-NI and without Readily Determinable Fair Value | 12,304 | 9,202 |
| Other assets | 909,590 | 506,862 |
| Total assets | 31,875,931 | 36,689,088 |
| Other liabilities | 355,508 | 392,164 |
| Total liabilities | 29,394,354 | 33,240,764 |
| Stockholders’ equity | 2,465,291 | 3,437,298 |
| Total liabilities and equity | 31,875,931 | 36,689,088 |
| Commerce Bancshares, Inc. (Parent) [Member] | ||
| Investment in consolidated subsidiary, Banks | 2,008,454 | 2,997,775 |
| Investment in consolidated subsidiaries, Non-banks | 138,501 | 100,347 |
| Cash | 233,261 | 245,616 |
| Debt Securities, Available-for-sale | 5,207 | 4,805 |
| Equity Securities, FV-NI and without Readily Determinable Fair Value | 11,129 | 7,977 |
| Note receivable due from bank subsidiary | 50,000 | 50,000 |
| Advances to subsidiaries, net of borrowings | 20,529 | 40,525 |
| Income tax benefits | 11,987 | 8,645 |
| Other assets | 26,539 | 29,393 |
| Total assets | 2,505,607 | 3,485,083 |
| Pension obligation | 7,446 | 11,931 |
| Other liabilities | 32,870 | 35,854 |
| Total liabilities | 40,316 | 47,785 |
| Stockholders’ equity | 2,465,291 | 3,437,298 |
| Total liabilities and equity | $ 2,505,607 | $ 3,485,083 |
Parent Company Condensed Financial Statements (Condensed Statements Of Income) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Interest and dividends on investment securities | $ 313,892 | $ 236,278 | $ 216,793 |
| Salaries and employee benefits | 554,047 | 525,248 | 512,987 |
| Data processing fees paid to affiliates | 110,692 | 101,792 | 95,325 |
| Other | 73,634 | 73,613 | 57,429 |
| Total non-interest expense | 848,777 | 805,901 | 768,378 |
| Income tax expense (benefit) | 132,358 | 145,711 | 87,293 |
| NET INCOME ATTRIBUTABLE TO COMMERCE BANCSHARES, INC. | 488,399 | 530,765 | 354,057 |
| Commerce Bancshares, Inc. (Parent) [Member] | |||
| Dividends received from consolidated subsidiary banks | 300,001 | 340,001 | 210,001 |
| Earnings of consolidated subsidiaries, net of dividends | 203,965 | 200,461 | 148,435 |
| Interest and dividends on investment securities | 2,480 | 2,162 | 1,802 |
| Management fees charged subsidiaries | 38,632 | 36,310 | 33,472 |
| Investment securities gains (losses) | (872) | 79 | 53 |
| Net interest income on advances and note to subsidiaries | 1,403 | 51 | 233 |
| Other | 3,709 | 2,927 | 4,282 |
| Total income | 549,318 | 581,991 | 398,278 |
| Salaries and employee benefits | 44,352 | 37,362 | 31,277 |
| Professional fees | 2,740 | 2,006 | 1,977 |
| Data processing fees paid to affiliates | 3,173 | 2,834 | 2,765 |
| Other | 15,595 | 12,973 | 11,850 |
| Total non-interest expense | 65,860 | 55,175 | 47,869 |
| Income tax expense (benefit) | (4,941) | (3,949) | (3,648) |
| NET INCOME ATTRIBUTABLE TO COMMERCE BANCSHARES, INC. | $ 488,399 | $ 530,765 | $ 354,057 |
Parent Company Condensed Financial Statements (Condensed Statements Of Cash Flows) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|||
| OPERATING ACTIVITIES: | |||||
| Net income | $ 500,020 | $ 540,590 | $ 353,885 | ||
| Other changes, net | 15,250 | (10,486) | (68,062) | ||
| Net cash provided by (used in) operating activities | 559,385 | 597,722 | 623,992 | ||
| INVESTING ACTIVITIES | |||||
| Proceeds from maturities/pay downs of available for sale securities | [1] | 2,691,260 | 3,459,106 | 2,673,510 | |
| Purchases of investment securities | [1] | (2,147,862) | (5,947,891) | (6,991,460) | |
| Purchases of land, buildings and equipment | (65,191) | (56,716) | (33,134) | ||
| Net cash provided by (used in) investing activities | 242,271 | (2,082,758) | (5,390,504) | ||
| FINANCING ACTIVITIES | |||||
| Payments for Repurchase of Redeemable Preferred Stock | 0 | 0 | (150,000) | ||
| Purchases of treasury stock | (186,622) | (129,361) | (54,163) | ||
| Cash dividends paid on common stock | (127,466) | (122,693) | (120,818) | ||
| Cash dividends paid on preferred stock | 0 | 0 | (6,750) | ||
| Net cash provided by (used in) financing activities | (4,200,809) | 3,573,662 | 6,067,032 | ||
| Increase (decrease) in cash and cash equivalents | (3,399,153) | 2,088,626 | 1,300,520 | ||
| Income tax payments (receipts), net | 116,995 | 119,665 | 90,066 | ||
| Commerce Bancshares, Inc. (Parent) [Member] | |||||
| OPERATING ACTIVITIES: | |||||
| Net income | 488,399 | 530,765 | 354,057 | ||
| Earnings of consolidated subsidiaries, net of dividends | (203,965) | (200,461) | (148,435) | ||
| Other changes, net | 2,557 | 8,842 | 5,504 | ||
| Net cash provided by (used in) operating activities | 286,991 | 339,146 | 211,126 | ||
| INVESTING ACTIVITIES | |||||
| (Increase) decrease in investment in subsidiaries, net | (9) | 6 | 3 | ||
| Proceeds from maturities/pay downs of available for sale securities | 38 | 22 | 1,410 | ||
| Purchases of investment securities | (4,534) | (4,786) | (4,863) | ||
| (Increase) decrease in advances to subsidiaries, net | 19,996 | (8,618) | (5,810) | ||
| Purchases of land, buildings and equipment | (741) | (28) | (94) | ||
| Net cash provided by (used in) investing activities | 14,750 | (13,404) | (9,354) | ||
| FINANCING ACTIVITIES | |||||
| Payments for Repurchase of Redeemable Preferred Stock | 0 | 0 | (150,000) | ||
| Purchases of treasury stock | (186,622) | (129,361) | (54,163) | ||
| Issuance of stock under equity compensation plans | (8) | (15) | (11) | ||
| Cash dividends paid on common stock | (127,466) | (122,693) | (120,818) | ||
| Cash dividends paid on preferred stock | 0 | 0 | (6,750) | ||
| Net cash provided by (used in) financing activities | (314,096) | (252,069) | (331,742) | ||
| Increase (decrease) in cash and cash equivalents | (12,355) | 73,673 | (129,970) | ||
| Cash and cash equivalents at beginning of year | 245,616 | 171,943 | 301,913 | ||
| Cash and cash equivalents at end of year | 233,261 | 245,616 | 171,943 | ||
| Income tax payments (receipts), net | $ (587) | $ (4,808) | $ (3,663) | ||
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