Cover - USD ($) $ in Millions	12 Months Ended
Cover - USD ($) $ in Millions	Dec. 31, 2024	Feb. 28, 2025	Jun. 28, 2024
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2024
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-33572
Entity Registrant Name	Bank of Marin Bancorp
Entity Incorporation, State or Country Code	CA
Entity Tax Identification Number	20-8859754
Entity Address, Address Line One	504 Redwood Blvd.
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Novato
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94947
City Area Code	415
Local Phone Number	763-4520
Title of 12(g) Security	Common Stock, No Par Value
Trading Symbol	BMRC
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Smaller Reporting Company	false
Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction	false
Entity Shell Company	false
Entity Public Float			$ 248
Entity Common Stock, Shares Outstanding		16,116,627
Documents Incorporated by Reference	Portions of the registrant's Proxy Statement for the Annual Meeting of Shareholders to be held on May 21, 2025 are incorporated by reference into Part III.
Entity Central Index Key	0001403475
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Amendment Flag	false

Audit Information	12 Months Ended
Audit Information	Dec. 31, 2024
Auditor Information [Abstract]
Auditor Name	Moss Adams LLP
Auditor Location	Portland, OR
Auditor Firm ID	659

CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Assets
Cash, cash equivalents and restricted cash	$ 137,304	$ 30,453
Investment securities:
Held-to-maturity, at amortized cost (net of zero allowance for credit losses at December 31, 2024 and 2023)	879,199	925,198
Available-for-sale, at fair value (net of zero allowance for credit losses at December 31, 2024 and 2023)	387,534	552,028
Total investment securities	1,266,733	1,477,226
Loans, at amortized cost	2,083,256	2,073,720
Allowance for credit losses on loans	(30,656)	(25,172)
Total loans, net of allowance for credit losses on loans	2,052,600	2,048,548
Goodwill	72,754	72,754
Bank-owned life insurance	71,026	68,102
Operating lease right-of-use assets	19,025	20,316
Bank premises and equipment, net	6,832	7,792
Core deposit intangible, net	2,792	3,766
Interest receivable and other assets	72,269	74,946
Total assets	3,701,335	3,803,903
Deposits:
Non-interest bearing	1,399,900	1,441,987
Interest bearing:
Transaction accounts	198,301	225,040
Savings accounts	225,691	233,298
Money market accounts	1,153,746	1,138,433
Time accounts	242,377	251,317
Total deposits	3,220,015	3,290,075
Borrowings and other obligations	154	26,298
Operating lease liabilities	21,509	22,906
Interest payable and other liabilities	24,250	25,562
Total liabilities	3,265,928	3,364,841
Commitments and contingent liabilities (Note 12)
Stockholders' Equity
Preferred stock, no par value, Authorized - 5,000,000 shares, none issued	0	0
Common stock, no par value, Authorized - 30,000,000 shares; Issued and outstanding - 16,089,454 and 16,158,413 at December 31, 2024 and 2023, respectively	215,511	217,498
Retained earnings	249,964	274,570
Accumulated other comprehensive loss, net of tax	(30,068)	(53,006)
Total stockholders' equity	435,407	439,062
Total liabilities and stockholders' equity	$ 3,701,335	$ 3,803,903

CONSOLIDATED STATEMENTS OF CONDITION (Parenthetical) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Investment securities:
Held-to-maturity, allowance for credit Loss	$ 0	$ 0
Available-for-sale, allowance for credit loss	$ 0	$ 0
Stockholders' Equity
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock, issued, (in shares)	0	0
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, authorized (in shares)	30,000,000	30,000,000
Common stock, issued (in shares)	16,089,454	16,158,413
Common stock, outstanding (in shares)	16,089,454	16,158,413

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest income
Interest and fees on loans	$ 101,484	$ 98,505	$ 93,868
Interest on investment securities	33,075	38,660	34,766
Interest on federal funds sold and due from banks	6,714	2,329	1,407
Total interest income	141,273	139,494	130,041
Interest expense
Interest on interest-bearing transaction accounts	1,201	1,036	421
Interest on savings accounts	2,003	867	125
Interest on money market accounts	33,914	18,553	1,589
Interest on time accounts	9,254	4,715	323
Interest on borrowings and other obligations	241	11,562	91
Total interest expense	46,613	36,733	2,549
Net interest income	94,660	102,761	127,492
Provision for (reversal of) credit losses on loans	5,550	2,575	(63)
Reversal of credit losses on unfunded loan commitments	(233)	(342)	(318)
Net interest income after provision for (reversal of) for credit losses	89,343	100,528	127,873
Non-interest income
Earnings on bank-owned life insurance, net	1,714	1,802	1,229
Dividends on Federal Home Loan Bank stock	1,478	1,265	1,056
Net losses on sale of investment securities	(32,541)	(5,893)	(63)
Other income	1,380	1,260	1,849
Total non-interest income	(21,360)	4,989	10,905
Non-interest expense
Salaries and employee benefits	44,683	43,448	42,046
Occupancy and equipment	8,242	8,306	7,823
Professional services	5,129	3,598	3,299
Data processing	4,222	4,057	4,649
Deposit network fees	3,526	2,783	258
Federal Deposit Insurance Corporation insurance	1,863	1,878	1,179
Information technology	1,686	1,569	2,197
Depreciation and amortization	1,466	2,098	1,840
Directors' expense	1,213	1,212	1,107
Amortization of core deposit intangible	975	1,350	1,489
Charitable contributions	677	717	709
Other real estate owned	0	48	359
Other expense	8,136	8,417	8,314
Total non-interest expense	81,818	79,481	75,269
(Loss) income before provision for income taxes	(13,835)	26,036	63,509
Provision for income taxes	(5,426)	6,141	16,923
Net (loss) income	$ (8,409)	$ 19,895	$ 46,586
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.52)	$ 1.24	$ 2.93
Diluted (in dollars per share)	$ (0.52)	$ 1.24	$ 2.92
Weighted average common shares:
Basic (in shares)	16,042	16,012	15,921
Diluted (in shares)	16,042	16,026	15,969
Comprehensive income (loss):
Net (loss) income	$ (8,409)	$ 19,895	$ 46,586
Other comprehensive income (loss):
Change in net unrealized gains or losses on available-for-sale securities	(2,848)	20,358	(88,620)
Reclassification adjustment for losses on available-for-sale securities included in net income	32,541	8,700	63
Reclassification adjustment for gains or losses for fair value hedges	1,359	(1,359)	0
Net unrealized losses on securities transferred from available-for-sale to held-to-maturity	0	0	(14,847)
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity	1,504	1,743	1,580
Other comprehensive income (loss), before tax	32,556	29,442	(101,824)
Deferred tax expense (benefit)	9,618	8,702	(30,102)
Other comprehensive income (loss), net of tax	22,938	20,740	(71,722)
Total comprehensive income (loss)	14,529	40,635	(25,136)
Wealth management and trust services
Non-interest income
Wealth management and trust services, debit card interchange fees net, service charges on deposit accounts, and merchant interchange fees net	2,420	2,145	2,227
Service charges on deposit accounts
Non-interest income
Wealth management and trust services, debit card interchange fees net, service charges on deposit accounts, and merchant interchange fees net	2,164	2,083	2,007
Debit card interchange fees, net
Non-interest income
Wealth management and trust services, debit card interchange fees net, service charges on deposit accounts, and merchant interchange fees net	1,701	1,831	2,051
Merchant interchange fees, net
Non-interest income
Wealth management and trust services, debit card interchange fees net, service charges on deposit accounts, and merchant interchange fees net	$ 324	$ 496	$ 549

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss), Net of Taxes
Beginning balance (in shares) at Dec. 31, 2021		15,929,243
Beginning balance at Dec. 31, 2021	$ 450,368	$ 212,524	$ 239,868	$ (2,024)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total consolidated income	46,586		46,586
Other comprehensive (loss) income, net of tax	(71,722)			(71,722)
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares)		40,674
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	821	$ 821
Stock issued under employee stock purchase plan (in shares)		2,025
Stock issued under employee stock purchase plan	62	$ 62
Stock issued under employee stock ownership plan (in shares)		38,000
Stock issued under employee stock ownership plan	$ 1,233	$ 1,233
Restricted stock granted (in shares)		46,672
Restricted stock surrendered for tax withholdings upon vesting (in shares)	(11,505)	(1,169)
Restricted stock surrendered for tax withholdings upon vesting	$ (40)	$ (40)
Restricted stock forfeited/cancelled (in shares)		(13,692)
Stock-based compensation - stock options	251	$ 251
Stock-based compensation - restricted stock	712	$ 712
Cash dividends paid on common stock	(15,673)		(15,673)
Stock purchased by directors under director stock plan (in shares)		515
Stock purchased by directors under director stock plan	16	$ 16
Stock issued in payment of director fees (in shares)		10,145
Stock issued in payment of director fees	355	$ 355
Stock repurchased, including commissions (in shares)		(23,275)
Stock repurchased, including commissions	(877)	$ (877)
Ending balance (in shares) at Dec. 31, 2022		16,029,138
Ending balance at Dec. 31, 2022	412,092	$ 215,057	270,781	(73,746)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total consolidated income	19,895		19,895
Other comprehensive (loss) income, net of tax	20,740			20,740
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares)		11,530
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	230	$ 230
Stock issued under employee stock purchase plan (in shares)		2,527
Stock issued under employee stock purchase plan	46	$ 46
Stock issued under employee stock ownership plan (in shares)		58,400
Stock issued under employee stock ownership plan	$ 1,315	$ 1,315
Restricted stock granted (in shares)		61,978
Restricted stock surrendered for tax withholdings upon vesting (in shares)	(3,132)	(2,498)
Restricted stock surrendered for tax withholdings upon vesting	$ (70)	$ (70)
Restricted stock forfeited/cancelled (in shares)		(21,024)
Stock-based compensation - stock options	181	$ 181
Stock-based compensation - restricted stock	341	$ 341
Cash dividends paid on common stock	(16,106)		(16,106)
Stock issued in payment of director fees (in shares)		18,362
Stock issued in payment of director fees	$ 398	$ 398
Stock repurchased, including commissions (in shares)		0
Ending balance (in shares) at Dec. 31, 2023	16,158,413	16,158,413
Ending balance at Dec. 31, 2023	$ 439,062	$ 217,498	274,570	(53,006)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total consolidated income	(8,409)		(8,409)
Other comprehensive (loss) income, net of tax	22,938			22,938
Stock issued under employee stock purchase plan (in shares)		2,184
Stock issued under employee stock purchase plan	38	$ 38
Stock issued under employee stock ownership plan (in shares)		60,800
Stock issued under employee stock ownership plan	$ 1,149	$ 1,149
Restricted stock granted (in shares)		106,964
Restricted stock surrendered for tax withholdings upon vesting (in shares)	(3,798)	(3,798)
Restricted stock surrendered for tax withholdings upon vesting	$ (64)	$ (64)
Restricted stock forfeited/cancelled (in shares)		(42,396)
Stock-based compensation - stock options	50	$ 50
Stock-based compensation - restricted stock	580	$ 580
Cash dividends paid on common stock	(16,197)		(16,197)
Stock issued in payment of director fees (in shares)		27,287
Stock issued in payment of director fees	513	$ 513
Stock repurchased, including commissions (in shares)		(220,000)
Stock repurchased, including commissions	$ (4,253)	$ (4,253)
Ending balance (in shares) at Dec. 31, 2024	16,089,454	16,089,454
Ending balance at Dec. 31, 2024	$ 435,407	$ 215,511	$ 249,964	$ (30,068)

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Stockholders' Equity [Abstract]
Cash dividends paid on common stock (in dollars per share)	$ 1.00	$ 1.00	$ 0.98

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2024

Dec. 31, 2023

Dec. 31, 2022

Cash Flows from Operating Activities:

Net income

$ (8,409)

$ 19,895

$ 46,586

Adjustments to reconcile net income to net cash provided by operating activities:

Provision for (reversal of) credit losses on loans

5,550

2,575

(63)

Reversal of credit losses on unfunded loan commitments

(233)

(342)

(318)

Noncash contribution expense to employee stock ownership plan

1,149

1,315

1,233

Noncash director compensation expense

513

398

355

Stock-based compensation expense

630

522

963

Amortization of core deposit intangible

975

1,350

1,489

Amortization of investment security premiums, net of accretion of discounts

2,536

6,897

9,056

(Accretion of discounts) amortization of premiums on acquired loans, net

(236)

(573)

153

Net change in deferred loan origination costs/fees

120

(836)

(2,716)

Write-down of other real estate owned

0

40

345

Net losses on sale of investment securities

32,541

5,893

63

Depreciation and amortization

1,466

2,098

1,840

Earnings on bank-owned life insurance policies

(1,714)

(1,802)

(1,229)

Net changes in:

Net changes in interest receivable and other assets

(6,695)

(4,149)

2,228

Net changes in interest payable and other liabilities

172

2,378

(4,708)

Total adjustments

36,774

15,764

8,691

Net cash provided by operating activities

28,365

35,659

55,277

Cash Flows from Investing Activities:

Proceeds from sale of premises and equipment

21

0

Purchase of held-to-maturity securities

0

(319,937)

Purchase of available-for-sale securities

(163,769)

0

(243,459)

Proceeds from sale of available-for-sale securities

292,621

205,795

10,664

Proceeds from paydowns/maturities of held-to-maturity securities

46,551

47,170

47,098

Proceeds from paydowns/maturities of available-for-sale securities

31,210

59,316

130,178

Proceeds from sale of Visa Inc. Class B restricted common stock

0

2,807

0

Decrease in loans receivable, net

26,150

16,945

164,019

Purchased Loans

(35,874)

0

Proceeds from sale of loan

0

3,263

0

Purchase of bank-owned life insurance policies

(1,211)

0

(4,714)

Proceeds from bank-owned life insurance policies

0

766

350

Purchase of premises and equipment

(520)

(1,749)

(2,266)

Proceeds from sale of other real estate owned

0

420

0

Cash paid for low income housing tax credit investment

(5)

(42)

(30)

Net cash provided by (used in) investing activities

195,174

334,691

(218,097)

Cash Flows from Financing Activities:

Decrease in deposits

(70,060)

(283,273)

(235,202)

(Repayment of) proceeds from short-term borrowings, net

(26,000)

(86,000)

112,000

Repayment of finance lease obligations

(152)

(148)

(131)

Proceeds from stock options exercised

0

230

821

Restricted stock surrendered for tax withholdings upon vesting

(64)

(70)

(40)

Cash dividends paid on common stock

(16,197)

(16,106)

(15,673)

Stock repurchased, including commissions

(4,253)

0

(1,250)

Proceeds from stock issued under employee and director stock purchase plans

38

46

78

Net cash (used in) provided by financing activities

(116,688)

(385,321)

(139,397)

Net (decrease) increase in cash, cash equivalents and restricted cash

106,851

(14,971)

(302,217)

Cash, cash equivalents and restricted cash at beginning of period

30,453

45,424

347,641

Cash, cash equivalents and restricted cash at end of period

137,304

30,453

45,424

Supplemental disclosure of cash flow information:

Interest paid on deposits and borrowings

46,359

34,038

2,560

Income taxes paid, net of refunds

2,245

8,428

13,730

Supplemental disclosure of noncash investing and financing activities:

Change in net unrealized gains or losses on available-for-sale securities

(2,848)

20,358

(88,620)

Purchase of available-for-sale security on account and unsettled

0

Cumulative effect of change in accounting principle ASU 2016-13

0

Securities transferred from available-for-sale to held-to-maturity, at fair value

0

357,482

Amortization of net unrealized loss on available-for-sale securities transferred to held-to-maturity

1,504

1,743

1,580

Transfer of loan to loans held-for-sale

0

3,263

0

Restricted cash

^[1]

$ 0

$ 330

$ 0

[1]

1Restricted cash includes reserve requirements held with the Federal Reserve Bank of San Francisco and other cash pledged. In response to the COVID-19 pandemic, the Federal Reserve reduced the reserve requirement ratios to zero percent effective March 26, 2020.

The accompanying notes are an integral part of these consolidated financial statements.

Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Nature of Operations: Bank of Marin Bancorp ("Bancorp"), headquartered in Novato, California, conducts business primarily through its wholly-owned subsidiary, Bank of Marin (the "Bank"), a California state-chartered commercial bank that provides a wide range of financial services through 27 retail branches and 8 commercial banking offices across Northern California. Our customer base is made up of business, not-for-profit and personal banking relationships from the communities within our Northern California footprint.

Basis of Presentation: The consolidated financial statements include the accounts of Bancorp, a bank holding company, and its wholly-owned bank subsidiary, Bank of Marin, a California state-chartered commercial bank. References to “we,” “our,” “us” mean Bancorp and the Bank that are consolidated for financial reporting purposes. Our accounting and reporting policies conform to U.S. generally accepted accounting principles ("GAAP"), general practice, and regulatory guidance within the banking industry. A summary of our significant policies follows. All material intercompany transactions have been eliminated. We evaluated subsequent events through the date of filing with the Securities and Exchange Commission (“SEC”) and determined there were no subsequent events that required additional recognition or disclosure.

Segment Reporting: Our Chief Operating Decision Maker ("CODM") is our Chief Executive Officer, who reviews our financial information on a consolidated basis for purposes of evaluating financial performance and allocating resources. We have one operating and reportable segment, community banking, and our other operating segment, wealth management services, does not meet the quantitative threshold for separate reporting. Our CODM reviews consolidated net income before provision for income taxes as our primary measure of profitability alongside significant expense information consistent with the expense captions presented in our Consolidated Statements of Comprehensive Income (Loss). These metrics are used by our CODM to monitor actual results and to benchmark to our peers. Segment assets are equal to consolidated total assets in our Consolidated Statements of Condition and all segment non-cash items are equal to those disclosed in our Consolidated Statements of Cashflows. We derive materially all of our income from activities within the United States, and materially all of our long lived assets are physically located within the United States. No single customer or client relationship accounts for ten percent or more of our income.


Segment revenue, profit or loss, significant segment expenses and other segment items	December 31, 2024		December 31, 2023		December 31, 2022
(in thousands)
Community banking segment:
Interest income	$	141,273	$	139,494	$	130,041
Non-interest income	(23,780)		2,844		8,678

Reconciliation of income
All other income1	2,420		2,145		2,227
Total consolidated income	119,913		144,483		140,946

Less:2
Total interest expense	46,613		36,733		2,549
Provision for (reversal of) credit losses on loans	5,550		2,575		(63)
Reversal of credit losses on unfunded loan commitments	(233)		(342)		(318)
Non-interest expense
Salaries and employee benefits	43,794		42,671		41,235
Occupancy and equipment	8,240		8,304		7,819
Professional services	4,562		3,086		2,688
Data processing	4,032		3,879		4,480
Deposit network fees	3,526		2,783		258
Federal Deposit Insurance Corporation insurance	1,863		1,878		1,179
Information technology	1,686		1,569		2,197
Depreciation and amortization	1,465		2,097		1,839
Directors' expense	1,213		1,212		1,107
Amortization of core deposit intangible	975		1,350		1,489
Charitable contributions	677		717		709
Other real estate owned	—		48		359
Other expense	8,068		8,357		8,255
Segment (loss) income	(12,118)		27,566		65,164

Reconciliation of segment (loss) income
All other loss1	(1,717)		(1,530)		(1,655)

Loss before income taxes	$	(13,835)	$	26,036	$	63,509
1Other income and loss from segment below the quantitative thresholds are attributable to one operating segment of the Bank, the Wealth Management and Trust Services, which does not meet the quantitative thresholds for presenting reportable segments. Expenses of Wealth Management and Trust Services are comprised of salary and employee benefits, professional services, data processing, occupancy and equipment and other expenses totaling $1.7 million.
2The significant expense categories and amounts align with the segment-level information that is regularly provided to the chief operating decision maker.

Accounting Changes and Reclassifications: There have been no items in prior financial statements that have been reclassified to conform to the current presentation.

Use of Estimates: The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Significant accounting estimates reflected in the consolidated financial statements include the allowance for credit losses, fair value measurements, and goodwill impairment assessment, as discussed in the Notes herein.

Cash, Cash Equivalents and Restricted Cash: This includes cash, due from banks, federal funds sold and other short-term investments with maturities of less than three months at the time of purchase. Restricted cash includes balances not immediately available for business operations such as Federal Reserve Bank of San Francisco reserve requirements and cash pledged for interest rate swap contracts and local agency deposits.

Investment Securities: Investment securities are classified as "held-to-maturity," "trading securities" or "available-for-sale." Investments classified as held-to-maturity are those that we have the ability and intent to hold until maturity and are reported at cost, adjusted for the amortization or accretion of premiums or discounts. Investments held for resale in anticipation of short-term market movements are classified as trading securities and are reported at fair value, with unrealized gains and losses included in earnings. Investments that are neither held-to-maturity

nor trading are classified as available-for-sale and are reported at fair value. Unrealized gains and losses for available-for-sale securities, net of related taxes, are reported as a separate component of comprehensive income (loss) and included in stockholders' equity until realized. For discussion of our methodology in determining fair value, see Note 9, Fair Value of Assets and Liabilities.

Purchase premiums and discounts on investment securities are amortized or accreted over the life of the related security as an adjustment to yield using the effective interest method. For certain callable debt securities purchased at a premium, we amortize the premium to the earliest call date.

Dividend and interest income are recognized when earned. Realized gains and losses on the sale of securities are included in non-interest income. The specific identification method is used to calculate realized gains and losses on sales of securities.

Securities transferred from the available-for-sale category to the held-to-maturity category are recorded at fair value at the date of transfer. Unrealized holding gains or losses on the dates of the transfer of securities from available-for-sale to held-to-maturity are included in the balance of accumulated other comprehensive income (loss), net of tax, in the consolidated balance sheets. These unrealized holding gains or losses on the dates of transfer are amortized over the remaining life of the securities as yield adjustments in a manner consistent with the amortization or accretion of the original purchase premium or discount on the associated security.

Non-marketable equity securities include stock held for membership and regulatory purposes, such as Federal Home Loan Bank ("FHLB") stock and other non-marketable equity securities. These securities are accounted for at cost, evaluated for impairment as of each reporting period, and included in interest receivable and other assets on the consolidated statements of condition. During 2023, the Bank sold its remaining investment in Visa Inc. Class B restricted common stock, as discussed in Note 2 - Investment securities. As of December 31, 2024 and 2023 our investment in FHLB stock was carried at cost, as there was no impairment or changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. Both cash and stock dividends from the FHLB are reported as non-interest income.

Allowance for Credit Losses on Investment Securities: The allowance for credit losses on held-to-maturity securities is a contra-asset valuation account determined in accordance with ASC 326, which is deducted from the securities' amortized cost basis at the balance sheet date as a result of management's assessment of the net amount expected to be collected. The allowance is measured on a pooled basis for securities with similar risk characteristics using historical credit loss information, adjusted for current conditions and reasonable and supportable forecasts. Securities that are determined to be uncollectible are written off against the allowance.

For available-for-sale securities in an unrealized loss position ("impaired security"), we assess whether 1) we intend to sell the security, or, 2) it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis. Under either of these conditions, the security's amortized cost is written down to fair value through a charge to previously recognized allowances or earnings, as applicable. For impaired securities that do not meet these conditions, we assess whether the decline in fair value was due to credit loss or other factors. This assessment considers, among other things: 1) the extent to which the fair value is less than amortized cost, 2) the financial condition and near-term prospects of the issuer, 3) any changes to the rating of the security by a rating agency, and 4) our intent and ability to retain the investment for a period of time sufficient to allow for any anticipated recovery in fair value. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses is recorded for the credit loss component. Any impairment due to non-credit-related factors that has not been recorded through an allowance for credit losses is recognized in other comprehensive income (loss). The discount rate used in determining the present value of the expected cash flows is based on the effective interest rate implicit in the security at the date of purchase.

Accrued interest receivable is excluded from the amortized costs and fair values of both held-to-maturity and available-for-sale securities and included in interest receivable and other assets on the consolidated statements of condition. Investment securities are placed on non-accrual status when principal or interest is contractually past due more than ninety days, or management does not expect full payment of principal and interest. We do not record an allowance for credit losses for accrued interest on investment securities, as the amounts are written-off

when the investment is placed on non-accrual status. There were no non-accrual investment securities in any of the years presented in the consolidated financial statements.

Originated Loans: Loans are reported at amortized cost, which is the principal amount outstanding net of deferred fees (costs), purchase premiums (discounts) and net charge-offs (recoveries). Amortized cost excludes accrued interest, which is reflected in interest receivable and other assets in the consolidated statements of condition. We do not measure an allowance for credit losses on accrued interest receivable balances because these balances are written off in a timely manner as a reduction to interest income when loans are placed on non-accrual status as discussed below. Interest income is accrued daily using the simple interest method. Fees collected upon loan origination and certain direct costs of originating loans are deferred and recognized over the contractual lives of the related loans as yield adjustments using the interest method or straight-line method, as applicable. Upon prepayment or other disposition of the underlying loans before their contractual maturities, any associated unearned fees or unamortized costs are recognized.

Acquired Loans: ASC 326 modified the accounting for purchased loans and requires that an allowance for credit losses be established at the date of acquisition. However, for purchased financial assets with a more-than-insignificant amount of credit deterioration since origination (“PCD assets”) that are measured at amortized cost, the initial allowance for credit losses is added to the purchase price rather than reported as a provision for credit losses. Subsequent changes in the allowance for credit losses on PCD assets are recognized through the provision for credit losses.

Past-Due and Non-Accrual Loan Policy: A loan is considered past due when a payment has not been received by the contractual due date. Loans are placed on non-accrual status when management believes that there is substantial doubt as to the collection of principal or interest, generally when they become contractually past due by 90 days or more with respect to principal or interest, except for loans that are well-secured and in the process of collection. When loans are placed on non-accrual status, any accrued but uncollected interest is reversed from current-period interest income and the amortization of deferred loan origination fees and costs is suspended. Interest payments received on nonaccrual loans are either applied against principal or reported as interest income, according to management’s judgment as to the ultimate collectability of principal. We may return non-accrual loans to accrual status when one of the following occurs:

•The borrower has resumed paying the full amount of the principal and interest and we are satisfied with the borrower's financial position. In order to meet this test, we must have received repayment of all past due principal and interest, unless the amounts contractually due are reasonably assured of repayment within a reasonable period of time, and there has been a sustained period of repayment performance (generally, six consecutive monthly payments), according to the original or modified contractual terms.

•The loan has become well secured and is in the process of collection.

Loan Charge-Off Policy: For all loan types excluding overdraft accounts, we generally make a charge-off determination at or before 90 days past due. A collateral-dependent loan is partially charged down to the fair value of collateral securing it if: (1) it is deemed uncollectable, or (2) it has been classified as a loss by either our internal loan review process or external examiners. A non-collateral-dependent loan is partially charged down to its net realizable value under the same circumstances. Overdraft accounts are generally charged off when they exceed 60 days past due.

Collateral Dependent Loans: A loan is collateral dependent when the borrower is experiencing financial difficulty and repayment is expected to be provided substantially through the sale or operation of the collateral. For collateral dependent loans, including those for which management determines foreclosure is probable, each loan is individually evaluated and the allowance for credit losses is based on the fair value of the collateral, adjusted for estimated selling costs when repayment is expected from the sale of the collateral, less the loan's amortized cost. In determining the fair value, management considers such information as the appraised value of the collateral, observed and potential future changes in collateral value, and historical loss experience for loans that were secured by similar collateral. Generally, with problem credits that are collateral dependent, we obtain appraisals of the collateral at least annually. We may obtain appraisals more frequently if we believe the collateral value is subject to market volatility, if a specific event has affected the collateral, or if we believe foreclosure is imminent.

Allowance for Credit Losses on Loans ("ACL"): The ACL is a valuation account that is deducted from the amortized cost basis at the balance sheet date to present the net amount of loans expected to be collected. Amortized cost does not include accrued interest, which management elected to exclude from the estimate of expected credit losses (refer to the Past-Due and Non-Accrual Loan Policy section above). Management estimates the allowance quarterly using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Credit loss experience provides the basis for the estimation of expected credit losses.

The ACL model utilizes a discounted cash flow ("DCF") method to measure the expected credit losses on loans collectively evaluated that are sub-segmented by loan pools with similar credit risk characteristics, which are generally comprised of federal regulatory reporting codes (i.e., Call codes). Pooled segments include the following:

•Loans secured by real estate:

- 1-4 family residential construction loans

- Other construction loans and all land development and other land loans

- Secured by farmland (including residential and other improvements)

- Revolving, open-end loans secured by 1-4 family residential properties and extended under lines

of credit

- Closed-end loans secured by 1-4 family residential properties, secured by first liens

- Closed-end loans secured by 1-4 family residential properties, secured by junior liens

- Secured by multifamily (5 or more) residential properties

- Commercial real estate loans secured by owner-occupied non-farm nonresidential properties

- Commercial real estate loans secured by other non-farm nonresidential properties

•Loans to finance agricultural production and other loans to farmers

•Commercial and industrial loans

•Loans to individuals for household, family and other personal expenditures (i.e., consumer loans)

•Municipal entities

•Non-profit organizations

•Other loans (overdraft credit lines)

The DCF method incorporates assumptions for probability of default ("PD"), loss given default ("LGD"), and prepayments and curtailments over the contractual terms of the loans. Under the DCF method, the ACL reflects the difference between the amortized cost basis and the present value of the expected cash flows using the loan's effective rate. We elected to report the change in present values from one reporting period to the next due to the passage of time and changes in the estimate of future expected cash flows through the provision for credit losses, rather than though interest income.

In determining the PD for each pooled segment, the Bank utilized regression analyses to identify certain economic drivers that were considered highly correlated to historical Bank or peer loan default experience. As a result, management chose the California unemployment rate as the primary economic forecast driver for all segments, except for municipal loans. In addition, the annual percentage change in the California gross domestic product was used in the commercial and industrial loan segment. For municipal loans, the ACL model utilized a constant default rate obtained from a nationally recognized default rate study, which is updated annually. A third party provides LGD estimates for each segment based on a banking industry Frye-Jacobs Risk Index approach. The ACL model incorporates a one-year reasonable and supportable forecast of economic factors, updated quarterly, which is based on Moody's Analytics' Baseline Forecast. For periods beyond the forecast horizon, the economic factors revert to historical averages on a straight-line basis over a one-year period.

Expected credit losses are estimated over the contractual term of the loans, adjusted for expected prepayments and curtailments, when appropriate. The pooled loans' contractual loan terms exclude assumptions about extensions, renewals, and modifications.

Loans that do not share the same risk characteristics as pooled loans are evaluated individually for credit loss and generally include all non-accrual loans, collateral dependent loans, and certain modified loans and loans graded substandard or worse, as determined by management.

Management considers whether adjustments to the quantitative portion of the ACL are needed for differences in segment-specific risk characteristics or to reflect the extent to which it expects current conditions and reasonable and supportable forecasts of economic conditions to differ from the conditions that existed during the historical period included in the development of PD and LGD. Qualitative internal and external risk factors include, but are not limited to, the following:

•Changes in the nature and volume of the loan portfolio

•Changes in the volume and severity of past due loans, the volume of non-accruals loans, and the volume and severity of adversely classified or graded loans

•The existence and effect of individual loan and loan segment concentrations

•Changes in lending policies and procedures, including changes in underwriting standards and collection, charge-off, and recovery practices not considered elsewhere

•Changes in the experience, ability, and depth of lending management and other relevant staff

•Changes in the quality of our systematic loan review processes

•Changes in economic and business conditions, and developments that affect the collectability of the portfolio

•Changes in the value of underlying collateral, where applicable

•The effect of other external factors such as legal and regulatory requirements on the level of estimated credit losses in the portfolio

•The effect of acquisitions of other loan portfolios on our infrastructure, including risk associated with entering new geographic areas as a result of such acquisitions

•The presence of specialized lending segments in the portfolio

There were no material changes to the ACL methodology during 2024. However, assumptions that mainly influenced management's current estimate of the expected credit losses were primarily adjustments to qualitative risk factors from continued uncertainty about inflation and recession risks, the potential impact of rapidly increasing interest rates and other external factors on both our non-owner-occupied commercial real estate and construction portfolios, loan and collateral concentration risks in our construction and commercial real estate portfolios, heightened portfolio management in light of current economic conditions, and continued negative trends in adversely graded loans and/or collateral values for our non-owner occupied commercial real estate office and multi-family real estate portfolios. Other elements of the estimated current expected credit losses included increased allowances for individually analyzed loans exhibiting unique credit risk characteristics and a slight increase in Moody's Analytics' Baseline Forecast of California's unemployment rate, partially offset by the impact of an overall decrease in loans. While we believe we use the best information available to determine the allowance for credit losses, our results of operations could be significantly affected if circumstances differ substantially from the assumptions used in determining the allowance. Our ACL model is sensitive to changes in unemployment rate forecasts and certain other assumptions that could result in material fluctuations in the allowance for credit losses and adversely affect our financial condition and results of operations.

Under ASU No. 2022-02 certain loan modifications made to borrowers experiencing financial difficulty are now subject to the Bank's standard ACL process, as outlined above.

For further information regarding the allowance for loan losses, see Note 3, Loans and Allowance for Loan Losses.

Allowance for Credit Losses on Unfunded Loan Commitments: We make commitments to extend credit to meet the financing needs of our customers in the form of loans or standby letters of credit. We are exposed to credit losses over a loan's contractual period in the event that a decline in credit quality of the borrower leads to nonperformance. We record an allowance for losses on unfunded loan commitments at the balance sheet date based on estimates of probability that these commitments will be drawn upon according to historical utilization experience of different types of commitments and expected loss severity and loss rates determined for pooled funded loans. The allowance for credit losses on unfunded commitments is a liability account included in interest payable and other liabilities on the consolidated statements of condition. Adjustments to the allowance for unfunded commitments are included in non-interest expense as a provision for (or reversal of) the allowance for unfunded commitments.

Transfers of Financial Assets: We have entered into certain loan participation agreements with other organizations. We account for these transfers of financial assets as sales when control over the transferred financial assets has been surrendered. Control over transferred assets is deemed to be surrendered when 1) the

assets and liabilities have been isolated from us, 2) the transferee has the right to pledge or exchange the assets (or beneficial interests) it received, free of conditions that constrain it from taking advantage of that right, beyond a trivial benefit and 3) we do not maintain effective control over the transferred financial assets or third-party beneficial interests related to those transferred assets. Transfers of a portion of a loan must meet the criteria of a participating interest. If it does not meet the criteria of a participating interest, the transfer must be accounted for as a secured borrowing. In order to meet the criteria for a participating interest, all cash flows from the loan must be divided proportionately, the rights of each loan holder must have the same priority, and the loan holders must have no recourse to the transferor other than standard representations and warranties and no loan holder has the right to pledge or exchange the entire loan. We recognized no gains or losses on the sale of these participation interests in 2024, 2023 and 2022.

Premises and Equipment: Land is carried at cost and not depreciated. Bank-owned buildings, leasehold improvements, furniture, fixtures, software and equipment and are stated at cost, less accumulated depreciation, and depreciated/amortized on a straight-line basis. Furniture and fixtures are depreciated over eight years and equipment is generally depreciated over three to twenty years. Bank-owned buildings are depreciated over twenty-five to thirty years. Leasehold improvements are amortized over the lesser of their estimated useful lives or the terms of the leases. When assets are sold or otherwise disposed of, the cost and related accumulated depreciation or amortization are removed from the accounts and any resulting gain or loss is recognized in income for the period. The cost of maintenance and repairs is charged to expense as incurred.

Leases: We lease certain premises under long-term non-cancelable operating leases, most of which include escalation clauses and one or more options to extend the lease term, and some of which contain lease termination clauses. Only those renewal and termination options that management determines are reasonably certain of exercising are included in the calculation of the lease liability. In addition, we lease certain equipment under finance leases. The equipment finance lease terms do not contain renewal options, bargain purchase options or residual value guarantees. We did not have any significant short-term leases during the reported periods.

Lease right-of-use assets represent the right to use the underlying asset while lease liabilities represent the present value of future lease obligations. We elected not to separate non-lease components from lease components and to exclude short-term leases (i.e., lease term of 12 months or less at the commencement date) from right-of-use assets and lease liabilities for all lease classifications. When calculating the lease liability, because most lease contracts do not contain an implicit interest rate, we discount lease payments over a lease's expected term based on the collateralized Federal Home Loan Bank borrowing rate that was commensurate with lease terms and minimum payments at the lease commencement date. Right-of-use assets for operating leases are amortized over the lease term by amounts that represent the difference between periodic straight-line lease expense and periodic interest accretion on the related liability to make lease payments, whereas finance leases are amortized on a straight-line basis over the term of the lease. Expense recognition for operating leases is recorded on a straight-line basis while expense recognition for finance leases represents the sum of periodic amortization of the associated right-of-use asset and the interest accretion on the lease liability. Refer to Note 12, Commitments and Contingencies, for further information.

Business Combinations: Business combinations are accounted for under the acquisition method of accounting in accordance with ASC 805, Business Combinations. A business is defined as a set of activities and assets that is both self-sustaining and managed to provide a return to investors and generally has three elements: inputs, processes and outputs. Under the acquisition method, the acquiring entity in a business combination recognizes the acquired assets and assumed liabilities at their estimated fair values as of the date of acquisition. Any excess of the purchase price over the fair value of net assets and other identifiable intangible assets acquired is recorded as goodwill. To the extent the fair value of net assets acquired, including other identifiable assets, exceed the purchase price, a bargain purchase gain is recognized. Assets acquired and liabilities assumed from a business combination are recognized at fair value. Results of operations of an acquired business are included in the consolidated statements of operations from the date of acquisition. Business acquisition-related costs, including conversion and restructuring charges, are expensed as incurred. If substantially all of an acquisition is made up of one asset or several similar assets, or without a substantive process that together contributes to the ability to create outputs, the acquisition is accounted for as an asset acquisition and acquisition costs will be capitalized as part of the assets acquired, rather than expensed in a business combinations.

Goodwill and Other Intangible Assets: Goodwill arises from the acquisition method of accounting for business combinations and represents the excess of the fair value of the consideration transferred, plus the fair value of any noncontrolling interests in the acquiree, over the fair value of the net assets acquired and liabilities assumed as of the acquisition date. Goodwill is deemed to have an indefinite life, is not subject to amortization, and as such is tested for impairment at least annually or more frequently if events and circumstances lead management to believe the value of goodwill may be impaired. Goodwill is the only intangible asset with an indefinite life recorded in the Company’s consolidated statements of financial condition. Impairment testing is performed at the reporting unit level, which management considered to be the Community Banking Segment at December 31, 2024. Management considered the Company to be its sole reportable unit for the year ended December 31, 2024.

Management’s assessment of goodwill impairment is performed in accordance with ASC 350-20, Intangibles - Goodwill and Other - Goodwill and encompasses a two-step process to evaluate each reporting unit. First, the Company has the option to perform a qualitative assessment to evaluate relevant events or circumstances to determine whether it is more likely than not the fair value of the Company is less than its carrying amount, including goodwill. The factors considered in the qualitative assessment typically include macroeconomic conditions, industry and market conditions and the overall financial performance of the Company, among other factors. If the Company determines that it is more likely than not the fair value of the Company may be less than its carrying amounts, then it proceeds to the quantitative impairment test, whereby it calculates the fair value of the Company. Under GAAP, in its performance of impairment testing, management has the unconditional option to proceed directly to the quantitative impairment test, bypassing the qualitative assessment. If the carrying amount of the Company exceeds its fair value, the amount by which the carrying amount exceeds fair value, up to the carrying value of goodwill, is recorded through earnings as an impairment charge recorded in non-interest expense. If the results of the qualitative assessment indicate that it is not more likely than not that an impairment has occurred, or if the quantitative impairment test results in a fair value of the Company that is greater than the carrying amount, then no impairment charge is recorded.

The Company performs its annual goodwill impairment test as of November 30th each year. The results indicated that goodwill was not impaired as of December 31, 2024, and there were no changes to our assessment through December 31, 2024. In addition, the Company recorded no goodwill impairment for the year ended December 31, 2023 or 2022.

Core deposit intangibles ("CDI") arising from the acquisition of other financial institutions are considered to have definite useful lives and are amortized on an accelerated method over their estimated useful life of ten years. At December 31, 2024, the future estimated amortization expense for the CDI arising from our past acquisitions was as follows:


(in thousands)	2025		2026		2027		2028		2029		Thereafter		Total
Core deposit intangible amortization	$	875	$	773	$	634	$	242	$	165	$	103	$	2,792

The CDI represents the estimated future benefit of deposits related to an acquisition and is recorded separately from the related deposits and evaluated at least annually or when events and circumstances change. We recorded no impairment adjustments for the CDI in 2024, 2023 and 2022.

Other Real Estate Owned ("OREO"): OREO is comprised of property acquired through a business combination, foreclosure, in substance repossession or acceptance of deeds-in-lieu of foreclosure when the related loan receivable is de-recognized. OREO is recorded at fair value of the collateral less estimated costs to sell, establishing a new cost basis, and subsequently accounted for at the lower of cost or fair value less estimated costs to sell. Any shortfall of collateral value from the recorded investment of the related loan is recognized as loss at the time of foreclosure and is charged against the allowance for loan losses. Fair value of collateral is generally based on an independent appraisal of the property. Revenues and expenses associated with OREO, and subsequent adjustments to the fair value of the property and to the estimated costs of disposal, are realized and reported as a component of non-interest income and expense when incurred. We recorded a $40 thousand and $345 thousand valuation adjustment to OREO in 2023 and 2022, respectively, and no adjustment in 2024. In July 2023, the Bank completed the sale of its only OREO property.

Bank Owned Life Insurance ("BOLI"): The Bank owns life insurance policies on certain key current and former officers. BOLI is recorded in interest receivable and other assets on the consolidated statements of condition at the

amount that can be realized under the insurance contract at period-end, which is the cash surrender value adjusted for other charges or amounts due that are probable at settlement.

Investments in Low Income Housing Tax Credit Funds: We have invested in limited partnerships that were formed to develop and operate affordable housing projects for low or moderate-income tenants throughout California. Our ownership percentage in each limited partnership ranges from 1.0% to 3.5%. We account for the investments in qualified affordable housing tax credit funds using the proportional amortization method, where the initial cost of the investment is amortized in proportion to the tax credits and other tax benefits received. Low income housing tax credits and other tax benefits received, net of the amortization of the investment is recognized as part of income tax benefit. Each of the partnerships must meet the regulatory minimum requirements for affordable housing for a minimum 15-year compliance period to fully utilize the tax credits. If the partnerships cease to qualify during the compliance period, the credit may be denied for any period in which the project is not in compliance and a portion of the credit previously taken is subject to recapture with interest. We record an impairment charge if the value of the future tax credits and other tax benefits is less than the carrying value of the investments.

Employee Stock Ownership Plan (“ESOP”): We recognize compensation cost for ESOP contributions when funds become committed for the purchase of Bancorp's common shares into the ESOP in the year in which the employees render service entitling them to the contribution. If we contribute stock, the compensation cost is the fair value of the shares when they are committed to be released (i.e., when the number of shares becomes known and formally approved). In 2024, 2023 and 2022, Bancorp only made stock contributions to the ESOP.

Income Taxes: Income taxes reported in the consolidated financial statements are computed based on an asset and liability approach. We recognize the amount of taxes payable or refundable for the current year and we record deferred tax assets and liabilities for future tax consequences attributable to differences between the financial statement carrying amount of existing assets and liabilities and their respective tax bases using enacted tax rates in effect for the year in which the temporary differences are expected to reverse. We record net deferred tax assets to the extent it is more likely than not that they will be realized. In evaluating our ability to recover the deferred tax assets and the need to establish a valuation allowance against the deferred tax assets, management considers all available positive and negative evidence, including scheduled reversals of deferred tax liabilities, projected future taxable income, and tax planning strategies. In projecting future taxable income, management develops assumptions including the amount of future state and federal pretax operating income, the reversal of temporary differences, and the implementation of feasible and prudent tax planning strategies. These assumptions require significant judgment about the forecasts of future taxable income and are consistent with the plans and estimates being used to manage the underlying business. Bancorp files consolidated federal and combined state income tax returns.

We recognize the financial statement effect of a tax position when it is more likely than not, based on the technical merits and all available evidence, that the position will be sustained upon examination, including the resolution through protests, appeals or litigation processes. For tax positions that meet the more likely than not threshold, we measure and record the largest amount of tax benefit that is greater than fifty percent likely of being realized upon ultimate settlement with the taxing authority. The remainder of the benefits associated with tax positions taken is recorded as unrecognized tax benefits, along with any related interest and penalties. Interest and penalties related to unrecognized tax benefits are recorded in tax expense.

In deciding whether or not our tax positions taken meet the more likely than not recognition threshold, we must make judgments and interpretations about the application of inherently complex state and federal tax laws. To the extent tax authorities disagree with tax positions taken by us, our effective tax rates could be materially affected in the period of settlement with the taxing authorities. Revision of our estimate of accrued income taxes also may result from our own income tax planning, which may affect effective tax rates and results of operations for any reporting period.

We present an unrecognized tax benefit as a reduction of a deferred tax asset for a net operating loss ("NOL") carryforward, or similar tax loss or tax credit carryforward, rather than as a liability, when (1) the uncertain tax position would reduce the NOL or other carryforward under the tax law of the applicable jurisdiction and (2) we intend to and are able to use the deferred tax asset for that purpose. Otherwise, the unrecognized tax benefit is presented as a liability instead of being netted with deferred tax assets.

Earnings per share (“EPS”): EPS is based upon the weighted average number of common shares outstanding during each year. The following table shows: 1) weighted average basic shares, 2) potentially dilutive weighted average common shares related to stock options and unvested restricted stock awards, and 3) weighted average diluted shares. Basic EPS are calculated by dividing net income by the weighted average number of common shares outstanding during each annual period, excluding unvested restricted stock awards. Diluted EPS are calculated using the weighted average number of potentially dilutive common shares. The number of potentially dilutive common shares included in year-to-date diluted EPS is a year-to-date weighted average of potentially dilutive common shares included in each quarterly diluted EPS computation. In computing diluted EPS, we exclude anti-dilutive shares such as options whose exercise prices exceed the current common stock price, as they would not reduce EPS under the treasury stock method. We have two forms of outstanding common stock: common stock and unvested restricted stock awards. Holders of unvested restricted stock awards receive non-forfeitable dividends at the same rate as common shareholders and they both share equally in undistributed earnings. Under the two-class method, the difference in EPS is nominal for these participating securities.


(in thousands, except per share data)	2024		2023		2022
Weighted average basic common shares outstanding	16,042		16,012		15,921
Potentially dilutive common shares related to:
Stock options	—		3		31
Unvested restricted stock awards	—		11		17
Weighted average diluted common shares outstanding	16,042		16,026		15,969
Net income	$	(8,409)	$	19,895	$	46,586
Basic EPS	$	(0.52)	$	1.24	$	2.93
Diluted EPS	$	(0.52)	$	1.24	$	2.92
Weighted average anti-dilutive common shares not included in the calculation of diluted EPS	368		364		211

Share-Based Compensation: All share-based payments, including stock options and restricted stock, are recognized as stock-based compensation expense in the consolidated statements of comprehensive income (loss) based on the grant-date fair value of the award with a corresponding increase in common stock. The grant-date fair value of the award is amortized on a straight-line basis over the requisite service period, which is generally the vesting period. The stock-based compensation expense excludes stock grants to directors as compensation for their services, which are recognized as director expenses separately based on the grant-date value of the stock. We account for forfeitures as they occur. See Note 8, Stockholders' Equity and Stock Option Plans, for further discussion.

We determine the fair value of stock options at the grant date using a Black-Scholes pricing model that takes into account the stock price at the grant date, exercise price, expected life of the option, volatility of the underlying stock, expected dividend yield and risk-free interest rate over the expected life of the option. The expected term of options granted is derived from historical data on employee exercises and post-vesting employment termination behavior. The risk-free rate for periods within the expected life of the option is based on the U.S. Treasury yield curve in effect at the time of the grant. Expected volatility is based on the historical volatility of the common stock over the most recent period that is generally commensurate with the expected life of the options. The Black-Scholes option valuation model requires the input of highly subjective assumptions, including the expected life of the stock-based award and stock price volatility. The assumptions used represent management's best estimates based on historical information, but these estimates involve inherent uncertainties and the application of management's judgment. As a result, if other assumptions had been used, the recorded stock-based compensation expense could have been materially different from that recorded in the consolidated financial statements. The fair value of restricted stock is based on the stock price on the grant date.

We record excess tax benefits resulting from the exercise of non-qualified stock options, the disqualifying disposition of incentive stock options and vesting of restricted stock awards as tax benefits in the consolidated statements of comprehensive income (loss) with a corresponding decrease to current taxes payable. In addition, we reflect excess tax benefits as an operating activity in the consolidated statements of cash flows.

Cash paid for tax withholdings when shares are surrendered in a cashless stock option exchange is classified as a financing activity in the consolidated statements of cash flows.

Derivative Financial Instruments and Hedging Activities - Fair Value Hedges: All of our interest rate swap contracts are designated and qualified as fair value hedges. The terms of our loan interest rate swap contracts are closely aligned to the terms of the designated fixed-rate loans. The hedging relationships are tested for effectiveness on a quarterly basis using a qualitative approach. The qualitative analysis includes verification that there are no changes to the derivative's or hedged item's key terms and conditions and no adverse developments regarding risk of counterparty default, and validation that we continue to have fair value hedge designation. Our rate swaps on available-for-sale securities were designated as partial term fair value hedges and structured such that the changes in fair value of the interest rate swaps are expected to be perfectly effective in offsetting the changes in the fair value of the hedged items attributable to changes in the swap rate. Because the hedges met the criteria for using the shortcut method, there is no need to periodically reassess effectiveness during the term of the hedges.

The interest rate swaps are carried on the consolidated statements of condition at their fair value in other assets (when the fair value is positive) or in other liabilities (when the fair value is negative). For fair value designated hedges, the gain or loss on the hedging instruments, as well as the offsetting loss or gain on the hedged items, are recognized in current earnings as fair values change.

For derivative instruments executed with the same counterparty under a master netting arrangement, we do not offset fair value amounts of interest rate swaps in liability positions with the ones in asset positions.

From time to time, we make firm commitments to enter into long-term fixed-rate loans with borrowers backed by yield maintenance agreements and simultaneously enter into forward interest rate swap agreements with correspondent banks to mitigate the change in fair value of the yield maintenance agreement. Prior to loan funding, yield maintenance agreements with net settlement features that meet the definition of a derivative are considered as non-designated hedges and are carried on the consolidated statements of condition at their fair value in other assets (when the fair value is positive) or in other liabilities (when the fair value is negative). The offsetting changes in the fair value of the forward swap and the yield maintenance agreement are recorded in interest income. When the fixed-rate loans are originated, the forward swaps are designated to offset the change in fair value in the loans. Subsequent to the point of the swap designations, the fair value of the related yield maintenance agreements at the designation date that was recorded in other assets is amortized using the effective yield method over the life of the respective designated loans.

For further detail, refer to Note 14, Derivative Financial Instruments and Hedging Activities.

Revenue Recognition: We utilize the following five-step model for non-financial instrument related revenue that is in scope for ASC 606, Revenue from Contracts with Customers: 1) identify the contract, 2) identify the performance obligations in the contract, 3) determine the transaction price, 4) allocate the transaction price to the performance obligations in the contract, and, 5) recognize revenue when (or as) the entity satisfies the performance obligation. Our main revenue streams in scope for ASC 606 include:

•Wealth management and trust services ("WMTS") fees - WMTS services include, but are not limited to: customized investment advisory and management; administrative services such as bill pay and tax reporting; trust administration, estate settlement, custody and fiduciary services. Performance obligations for investment advisory and management services are generally satisfied over time. Revenue is recognized monthly according to a tiered fee schedule based on the client's month-end market value of assets under our management. WMTS does not earn revenue based on performance or incentives. Costs associated with WMTS revenue-generating activities, such as payments to sub-advisors, are recorded separately as part of professional service expenses when incurred.

•Deposit account service charges - Service charges on deposit accounts consist of monthly maintenance fees, business account analysis fees, business online banking fees, check order charges, and other deposit account-related fees. Performance obligations for monthly maintenance fees and account analysis fees are satisfied, and the related revenue recognized, when we complete our performance obligation each month. Performance obligations related to transaction-based services (such as check orders) are satisfied, and the related revenue recognized, at a point in time typically when the transaction is completed, except for business accounts subject to analysis where the transaction-based fees are part of the monthly account analysis fees.

•Debit card interchange fees - We issue debit cards to our consumer and small business customers that allow them to purchase goods and services from merchants in person, online, or via mobile devices using funds held in their demand deposit accounts held with us. Debit cards issued to our customers are part of global electronic payment networks (such as Visa) who pass a portion of the merchant interchange fees to debit card-issuing member banks like us when our customers make purchases through their networks. Performance obligations for debit card services are satisfied and revenue is recognized daily as the payment networks process transactions. Because we act in an agent capacity, we recognize network costs on a net basis with interchange fees in non-interest income.

Advertising Costs: Advertising costs are expensed as incurred. For the years ended December 31, 2024, 2023, and 2022, advertising costs totaled $1.1 million, $1.2 million, and $1.1 million, respectively.

Comprehensive Income (Loss): Comprehensive income (loss) primarily includes net income, changes in the unrealized gains or losses on available-for-sale investment securities, reclassification adjustment for gains or losses on fair value hedges, reclassification adjustment for realized (gains) losses on available-for-sale securities in net income, and amortization of net unrealized gains or losses on securities transferred from available-for-sale to held-to-maturity, net of related taxes, reported on the consolidated statements of comprehensive income (loss) and as components of stockholders' equity.

Fair Value Measurements: We use fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. We base our fair values on 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 (i.e., exit price notion) reflecting factors such as a liquidity premium. Securities available-for-sale and derivatives are recorded at fair value on a recurring basis. Equity investments that do not have readily determinable fair values are recorded at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. FHLB stock was carried at cost as of December 31, 2024, as there was no impairment or changes resulting from observable price changes in orderly transactions for an identical or similar investment of the same issuer. Additionally, from time to time, we may be required to record certain assets and liabilities at fair value on a non-recurring basis, such as purchased loans and acquired deposits recorded at acquisition date, certain collateral dependent loans, other real estate owned and securities held-to-maturity that are other-than-temporarily impaired. These non-recurring fair value adjustments typically involve write-downs of individual assets due to application of lower-of-cost or market accounting.

When we develop our fair value measurement process, we maximize the use of observable inputs. Whenever there is no readily available market data, we use our best estimates and assumptions in determining fair value, but these estimates involve inherent uncertainties and the application of management's judgment. As a result, if other assumptions had been used, our recorded earnings or disclosures could have been materially different from those reflected in these consolidated financial statements.

Other Recently Adopted Accounting Standards

In June 2022, the FASB issued Accounting Standards Update ("ASU") No. 2022-03, Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions. The amendment reduces diversity in practice by clarifying that a separate contractual restriction on the sale of an equity security is not considered part of the unit of account of the equity security and, therefore, is not considered in measuring fair value. In addition, this ASU provided amended examples to illustrate that a restriction that is a characteristic of the equity security, which market participants would take into account when pricing them, would be considered in measuring fair value. This ASU also introduced new disclosure requirements. The amendments were effective prospectively for years beginning after December 15, 2023. As discussed in Note 2, Investment Securities, in July 2023 we sold our remaining shares of Visa Inc. Class B restricted common stock. We adopted ASU 2022-03 in the first quarter of 2024, which as a result of the previously mentioned sale had no impact our financial condition, results of operations or disclosures.

In March 2023, the FASB issued ASU No. 2023-01, Leases (Topic 842): Common Control Arrangements. For public companies, the amendment requires entities to amortize leasehold improvements associated with common control lease arrangements over the useful life of the improvements to the common control group, as opposed to

the shorter of the remaining lease term and the useful life of the improvements for all other operating leases. The amendments were effective for years beginning after December 15, 2023, and may be adopted either prospectively or retrospectively. We adopted ASU 2023-01 on a prospective basis in the first quarter of 2024, which had no impact on our financial condition or results of operations as we did not have common control lease arrangements at the time of adoption and we have not since entered into any such arrangements.

In March 2023, the FASB issued ASU No. 2023-02, Investments—Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method. Under current GAAP, an entity can only elect to apply the proportional amortization method to investments in low-income housing tax credit ("LIHTC") structures. The proportional amortization method results in the cost of the investment being amortized in proportion to the income tax credits and other income tax benefits received, with the amortization of the investment and the income tax credits being presented net in the consolidated statements of income as a component of income tax expense (benefit). The amendments will allow entities to elect to account for all other equity investments made primarily for the purpose of receiving income tax credits to using the proportional amortization method, regardless of the tax credit program through which the investment earns income tax credits, when certain conditions are met. The amendments were effective for fiscal years beginning after December 15, 2023, and may be adopted either on a modified retrospective basis or retrospectively. Other than investments in LIHTC funds, as disclosed in Note 2, Investment Securities, we currently have no other equity investments made primarily for the purpose of receiving income tax credits, and therefore the adoption of this ASU had no impact on our financial condition, results of operations, or disclosures.

In November 2023, the FASB issued ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. The amendments are intended to improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses, enhanced interim disclosure requirements, clarifying circumstances in which an entity can disclose multiple segment measures of profit or loss, providing new segment disclosure requirements for entities with a single reportable segment, and requiring other disclosures. The amendments were effective for annual reporting periods beginning after December 15, 2023 and interim periods within fiscal years beginning after December 31, 2024, and shall be applied retrospectively to all prior periods presented in the financial statements. We adopted ASU 2023-07 in the fourth quarter of 2024 with this Form 10-K, and the required expanded disclosures have been made above within this Note 1, Summary of Significant Accounting Policies, under the section titled Segment Reporting. Adoption had no impact on our financial condition or results of operations.

Accounting Standards Not Yet Effective

In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The amendments require disaggregated information about the effective tax rate reconciliation and additional disclosures on reconciling items and taxes paid that meet a quantitative threshold. The amendments are effective for annual reporting periods beginning after December 15, 2024, and may be adopted either prospectively or retrospectively. Early adoption is permitted. We are currently evaluating the impact of the amendments on our financial statement disclosures upon adoption.

In November 2024, the FASB issued ASU No. 2024-03 (updated in January 2025 to ASU No. 2025-01), Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. The amendments are intended to improve income statement expense disclosure requirements, primarily through enhanced disclosures about certain costs and expenses included in income statement expense captions. The amendments are effective for annual reporting periods beginning after December 15, 2026 (i.e., 2027 Form 10-K) and interim periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted. We are currently evaluating the impact of the amendments on our financial statement disclosures upon adoption.

Investment Securities

12 Months Ended

Dec. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Our investment securities portfolio consists of U.S. Treasury securities, obligations of state and political subdivisions, U.S. federal government agencies, such as the Government National Mortgage Association ("GNMA") and Small Business Administration ("SBA"), and U.S. government-sponsored enterprises ("GSEs"), such as the Federal National Mortgage Association ("FNMA"), Federal Home Loan Mortgage Corporation ("FHLMC"), Federal

Farm Credit Banks Funding Corporation and FHLB, and U.S. and foreign corporations. We also invest in residential and commercial mortgage-backed securities ("MBS"/"CMBS") and collateralized mortgage obligations ("CMOs") issued or guaranteed by the GSEs, as reflected in the following table.

A summary of the amortized cost, fair value and allowance for credit losses related to securities held-to-maturity as of December 31, 2024 and December 31, 2023 is presented below.


Held-to-maturity:	Amortized Cost 1		Allowance for Credit Losses		Net Carrying Amount		Gross Unrealized				Fair Value
(in thousands)							Gains		(Losses)
December 31, 2024
Securities of U.S. government-sponsored enterprises:
CMBS issued by FHLMC, FNMA and GNMA	$	242,559	$	—	$	242,559	$	—	$	(34,449)	$	208,110
CMOs issued by FHLMC, FNMA and GNMA	209,748		—		209,748		—		(18,492)		191,256
MBS pass-through securities issued by FHLMC, FNMA and GNMA	192,388		—		192,388		—		(30,942)		161,446
SBA-backed securities	1,513		—		1,513		—		(61)		1,452

Debentures of government-sponsored agencies	141,431		—		141,431		—		(22,694)		118,737
Obligations of state and political subdivisions	61,560		—		61,560		—		(8,341)		53,219
Corporate bonds	30,000		—		30,000		—		(685)		29,315
Total held-to-maturity	$	879,199	$	—	$	879,199	$	—	$	(115,664)	$	763,535
December 31, 2023

Securities of U.S. government-sponsored enterprises:
CMBS issued by FHLMC, FNMA and GNMA	$	247,441	$	—	$	247,441	$	—	$	(35,071)	$	212,370
CMOs issued by FHLMC, FNMA and GNMA	228,761		—		228,761		28		(16,882)		211,907
MBS pass-through securities issued by FHLMC, FNMA and GNMA	208,983		—		208,983		—		(27,326)		181,657
SBA-backed securities	1,853		—		1,853		—		(90)		1,763
Debentures of government-sponsored agencies	146,126		—		146,126		—		(21,994)		124,132
Obligations of state and political subdivisions	62,034		—		62,034		47		(7,884)		54,197
Corporate bonds	30,000		—		30,000		—		(1,196)		28,804
Total held-to-maturity	$	925,198	$	—	$	925,198	$	75	$	(110,443)	$	814,830
1 Amortized cost and fair values exclude accrued interest receivable of $3.4 million and $3.6 million at December 31, 2024 and 2023, respectively, which is included in interest receivable and other assets in the consolidated statements of condition.

Management measures expected credit losses on held-to-maturity securities collectively by major security type, with each type sharing similar risk characteristics, and considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts. With regard to MBSs and CMOs issued or guaranteed by the GSEs, and SBA-backed securities, we expect to receive all the contractual principal and interest on these securities, as such securities are backed by the full faith and credit of and/or guaranteed by the U.S. government. Accordingly, no allowance for credit losses has been recorded for these securities. With regard to securities issued by states and political subdivisions and corporate bonds, management considers: (i) issuer and/or guarantor credit ratings, (ii) historical probability of default and loss given default rates for given bond ratings and remaining maturity, (iii) whether issuers continue to make timely principal and interest payments under the contractual terms of the securities, (iv) internal credit review of the financial information, and (v) whether or not such securities have credit enhancements such as guarantees, contain a defeasance clause, or are pre-refunded by the issuers. Based on the comprehensive analysis, no credit losses are expected.

The following table summarizes the amortized cost of our portfolio of held-to-maturity securities issued by states and political subdivisions and corporate bonds by Moody's and/or Standard & Poor's bond ratings as of December 31, 2024 and 2023.


	Obligations of state and political subdivisions				Corporate bonds
(in thousands)	December 31, 2024		December 31, 2023		December 31, 2024		December 31, 2023
Aaa / AAA	$	42,161	$	42,577	$	—	$	—
Aa1 / AA+	19,399		19,457		—		—
A2 / A	—		—		30,000		30,000
Total	$	61,560	$	62,034	$	30,000	$	30,000

A summary of the amortized cost, fair value and allowance for credit losses related to securities available-for-sale as of December 31, 2024 and 2023 is presented below.


Available-for-sale:	Amortized Cost 1		Gross Unrealized				Allowance for Credit Losses		Fair Value
(in thousands)			Gains		(Losses)
December 31, 2024
Securities of U.S. government-sponsored enterprises:
CMBS issued by FHLMC, FNMA and GNMA	$	222,862	$	154	$	(4,977)	$	—	$	218,039
CMOs issued by FHLMC, FNMA and GNMA	42,432		28		(6,321)		—		36,139
MBS pass-through securities issued by FHLMC, FNMA and GNMA	30,498		2		(4,840)		—		25,660
SBA-backed securities	331		—		(23)		—		308
Debentures of government- sponsored agencies	8,971		—		(1,761)		—		7,210
U.S. Treasury securities	12,020		—		(1,205)		—		10,815

Obligations of state and political subdivisions	96,178		—		(12,464)		—		83,714
Corporate bonds	6,000		—		(351)		—		5,649

Total available-for-sale	$	419,292	$	184	$	(31,942)	$	—	$	387,534
December 31, 2023
Securities of U.S. government-sponsored enterprises:
CMBS issued by FHLMC, FNMA and GNMA	$	160,968	$	—	$	(13,279)	$	—	$	147,689
CMOs issued by FHLMC, FNMA and GNMA	153,689		—		(17,420)		—		136,269
MBS pass-through securities issued by FHLMC, FNMA and GNMA	77,680		2		(9,168)		—		68,514
SBA-backed securities	21,126		—		(1,655)		—		19,471
Debentures of government- sponsored agencies	73,899		—		(7,037)		—		66,862

U.S. Treasury securities	11,923		—		(1,300)		—		10,623
Obligations of state and political subdivisions	102,202		1		(10,321)		—		91,882
Corporate bonds	11,992		—		(1,274)		—		10,718

Total available-for-sale	$	613,479	$	3	$	(61,454)	$	—	$	552,028
1 Amortized cost and fair value exclude accrued interest receivable of $1.7 million and $2.3 million at December 31, 2024 and 2023, respectively, which is included in interest receivable and other assets in the consolidated statements of condition.

As part of our ongoing review of our investment securities portfolio, we reassessed the classification of certain securities issued by government-sponsored agencies. In March 2022, we transferred $357.5 million of these securities from available-for-sale to held-to-maturity at fair value. We intend and have the ability to hold these securities to maturity. The net unrealized pre-tax loss of $14.8 million that remained and the related accumulated other comprehensive loss are accreted to interest income over the remaining lives of the securities. Because these entries offset each other, there is no impact on net income.

The amortized cost and fair value of investment debt securities by contractual maturity at December 31, 2024 and 2023 are shown below. Expected maturities may differ from contractual maturities if the issuers of the securities have the right to call or prepay obligations with or without call or prepayment penalties.


	December 31, 2024								December 31, 2023
	Held-to-Maturity				Available-for-Sale				Held-to-Maturity				Available-for-Sale
(in thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within one year	$	36,476	$	36,380	$	99,431	$	99,258	$	—	$	—	$	101	$	100
After one but within five years	118,590		110,857		106,986		103,058		87,887		84,541		226,669		208,444
After five years through ten years	229,040		191,328		75,429		67,940		304,976		261,654		95,552		85,447
After ten years	495,093		424,970		137,446		117,278		532,335		468,635		291,157		258,037
Total	$	879,199	$	763,535	$	419,292	$	387,534	$	925,198	$	814,830	$	613,479	$	552,028

Sales of investment securities and gross gains and losses for the years ended December 31, 2024, 2023 and 2022 are shown in the following table.


(in thousands)	2024		2023		2022
Available-for-sale:
Sales proceeds	$	292,621	$	205,795	$	10,664
Gross realized gains	$	—	$	5	$	17
Gross realized losses	$	(32,541)	$	(8,705)	$	(80)




Sale of equity securities: 1
Sales proceeds	$	—	$	2,807	$	—
Gross realized gain	$	—	$	2,807	$	—

1 Refer to VISA Inc. Class B Common Stock section below for more information.

The reported values of pledged investment securities are shown in the following table (which includes both encumbered and unencumbered securities).


(in thousands)	December 31, 2024		December 31, 2023
Pledged to the State of California:
Secure public deposits in compliance with the Local Agency Security Program	$	288,385	$	287,436
Collateral for trust deposits	1,284		666
Collateral for Wealth Management and Trust Services checking account	895		562
Total investment securities pledged to the State of California	290,564		288,664
Bankruptcy trustee deposits pledged with Federal Reserve Bank	651		1,151
Pledged to FHLB Securities-Backed Credit Program	284,148		383,484
Pledged to the Federal Reserve Discount Window	365,759		—
Pledged to the Federal Reserve "BTFP"	—		265,660
Total pledged investment securities	$	941,122	$	938,959

There were 269 and 313 securities in unrealized loss positions at December 31, 2024 and 2023, respectively. Those securities are summarized and classified according to the duration of the loss period in the tables below.


December 31, 2024	< 12 continuous months				≥ 12 continuous months				Total securities in a loss position
(in thousands)	Fair value		Unrealized loss		Fair value		Unrealized loss		Fair value		Unrealized loss
Held-to-maturity:
CMBS issued by FHLMC, FNMA and GNMA	$	—	$	—	$	208,110	$	(34,449)	$	208,110	$	(34,449)
CMOs issued by FHLMC, FNMA and GNMA	18,451		(1,623)		172,805		(16,869)		191,256		(18,492)
MBS pass-through securities issued by FHLMC, FNMA and GNMA	3,487		(150)		157,959		(30,792)		161,446		(30,942)
SBA-backed securities	—		—		1,452		(61)		1,452		(61)
Debentures of government-sponsored agencies	—		—		118,737		(22,694)		118,737		(22,694)
Obligations of state and political subdivisions	5,558		(44)		47,661		(8,297)		53,219		(8,341)
Corporate bonds	—		—		29,315		(685)		29,315		(685)
Total held-to-maturity	$	27,496	$	(1,817)	$	736,039	$	(113,847)	$	763,535	$	(115,664)
Available-for-sale:
CMBS issued by FHLMC, FNMA and GNMA	$	129,402	$	(343)	$	58,065	$	(4,634)	$	187,467	$	(4,977)
CMOs issued by FHLMC, FNMA and GNMA	—		—		33,749		(6,321)		33,749		(6,321)
MBS pass-through securities issued by FHLMC, FNMA and GNMA	7		—		25,495		(4,840)		25,502		(4,840)
SBA-backed securities	—		—		309		(23)		309		(23)
Debentures of government-sponsored agencies	—		—		7,210		(1,761)		7,210		(1,761)
U.S. Treasury securities	—		—		10,815		(1,205)		10,815		(1,205)
Obligations of state and political subdivisions	—		—		83,714		(12,464)		83,714		(12,464)
Corporate bonds	—		—		5,649		(351)		5,649		(351)


Total available-for-sale	$	129,409	$	(343)	$	225,006	$	(31,599)	$	354,415	$	(31,942)
Total securities at a loss position	$	156,905	$	(2,160)	$	961,045	$	(145,446)	$	1,117,950	$	(147,606)


December 31, 2023	< 12 continuous months				> 12 continuous months				Total securities in a loss position
(in thousands)	Fair value		Unrealized loss		Fair value		Unrealized loss		Fair value		Unrealized loss
Held-to-maturity:
CMBS issued by FHLMC, FNMA and GNMA	$	10,988	$	(244)	$	201,383	$	(34,826)	$	212,371	$	(35,070)
CMOs issued by FHLMC, FNMA and GNMA	51,136		(432)		156,515		(16,451)		207,651		(16,883)
MBS pass-through securities issued by FHLMC, FNMA and GNMA	—		—		181,656		(27,326)		181,656		(27,326)
SBA-backed securities	—		—		1,763		(90)		1,763		(90)
Debentures of government-sponsored agencies	—		—		124,132		(21,994)		124,132		(21,994)
Obligations of state and political subdivisions	—		—		44,437		(7,884)		44,437		(7,884)
Corporate bonds	—		—		28,804		(1,196)		28,804		(1,196)
Total held-to-maturity	$	62,124	$	(676)	$	738,690	$	(109,767)	$	800,814	$	(110,443)
Available-for-sale:
CMBS issued by FHLMC, FNMA and GNMA	$	1,235	$	(7)	$	146,454	$	(13,272)	$	147,689	$	(13,279)
CMOs issued by FHLMC, FNMA and GNMA	—		—		136,269		(17,420)		136,269		(17,420)
MBS pass-through securities issued by FHLMC, FNMA and GNMA	—		—		68,237		(9,168)		68,237		(9,168)
SBA-backed securities	—		—		19,471		(1,655)		19,471		(1,655)
Debentures of government- sponsored agencies	—		—		66,862		(7,037)		66,862		(7,037)
U.S. Treasury securities	—		—		10,623		(1,300)		10,623		(1,300)
Obligations of state and political subdivisions	666		(1)		90,655		(10,320)		91,321		(10,321)
Corporate bonds	—		—		10,718		(1,274)		10,718		(1,274)
Asset-backed securities	—		—		—		—		—		—
Total available-for-sale	$	1,901	$	(8)	$	549,289	$	(61,446)	$	551,190	$	(61,454)
Total	$	64,025	$	(684)	$	1,287,979	$	(171,213)	$	1,352,004	$	(171,897)

As of December 31, 2024, the investment portfolio included 247 investment securities that had been in a continuous loss position for twelve months or more and 22 investment securities that had been in a loss position for less than twelve months.

Securities issued by government-sponsored agencies, such as FNMA and FHLMC, usually have implicit credit support from the U.S. federal government. However, since 2008, FNMA and FHLMC have been under government conservatorship and, therefore, contractual cash flows for these investments carry explicit guarantees by the U.S. federal government while FNMA and FHLMC remain under conservatorship. Securities issued by the SBA and GNMA have explicit credit guarantees by the U.S. federal government, which protects us from credit losses on the contractual cash flows of the securities.

Our investments in obligations of state and political subdivision bonds are deemed creditworthy after our comprehensive analysis of the issuers' latest financial information, credit ratings by major credit agencies, and/or credit enhancements.

No allowances for credit losses have been recognized on available-for-sale securities in an unrealized loss position, as management does not believe any of the securities are impaired due credit risk factors at either December 31, 2024 or 2023. In addition, for any available-for-sale securities in an unrealized loss position at December 31, 2024 and 2023, the Bank assessed whether it intended to sell the securities, or if it was more likely than not that it would be required to sell the securities before recovery of its amortized cost basis, which would require a write-down to fair value through net income. Because the Bank did not intend to sell those securities that were in an unrealized loss position, and it was not more-likely-than-not that the Bank would be required to sell the securities before recovery of their amortized cost bases, the Bank determined that no write-down was necessary as of the reporting date.

On July 7, 2023, the Bank entered into various interest rate swap agreements with notional values totaling $101.8 million to hedge balance sheet interest rate sensitivity and protect selected securities in its available-for-sale portfolio against changes in fair value related to changes in the benchmark interest rate. On November 4, 2024, the Bank terminated these contracts resulting in an adjustment to book value that will be amortized over the life of the hedged securities. For additional details, refer to Note 14, Derivative Financial Instruments and Hedging Activities.

Non-Marketable Securities Included in Other Assets

FHLB Capital Stock

As a member of the FHLB, we are required to maintain a minimum investment in FHLB capital stock as determined by the Board of Directors of the FHLB. The minimum investment requirements can increase in the event we increase our total asset size or borrowings with the FHLB. Shares cannot be purchased or sold except between the FHLB and its members at the $100 per share par value. We held $16.7 million of FHLB stock included in other assets on the consolidated statements of condition at both December 31, 2024 and 2023. The carrying amounts of these investments are reasonable estimates of fair value because the securities are restricted to member banks and do not have a readily determinable market value. Based on our analysis of FHLB’s financial condition and certain qualitative factors, we determined that the FHLB stock was not impaired at December 31, 2024 or 2023. On February 20, 2025, FHLB announced a cash dividend for the fourth quarter of 2024 at an annualized dividend rate of 8.75% to be distributed in mid-March 2025. Cash dividends paid on FHLB capital stock are recorded as non-interest income.

Visa Inc. Class B Common Stock

As a member bank of Visa U.S.A., we held 10,439 shares of Visa Inc. Class B common stock as of December 31, 2022. These shares had a carrying value of zero because they lacked a readily determinable fair value due to the restriction from resale to non-member banks of Visa U.S.A. until their conversion into Class A (voting) shares upon the termination of Visa Inc.'s Covered Litigation, and uncertainty about the conversion rate to Class A shares. On July 13, 2023, the Bank sold the entirety of its remaining investment in Visa Inc. Class B restricted common stock for a $2.8 million gain.

For further information, refer to Note 12, Commitments and Contingencies.

Low Income Housing Tax Credits

We invest in low-income housing tax credit funds as a limited partner, which totaled $1.6 million and $2.0 million recorded in other assets as of December 31, 2024 and 2023, respectively. In 2024, we recognized $525 thousand of low income housing tax credits and other tax benefits, offset by $438 thousand of amortization expense for low-income housing tax credit investments, as a component of income tax expense. As of December 31, 2024, our unfunded commitments for these low-income housing tax credit funds totaled $338 thousand. We did not recognize any impairment losses on these low-income housing tax credit investments during 2024 or 2023, as the value of the future tax benefits exceeds the carrying value of the investments.

Loans and Allowance for Credit Losses on Loans

12 Months Ended

Dec. 31, 2024

Receivables [Abstract]

Loans and Allowance for Credit Losses on Loans

The following table presents the amortized cost of loans by portfolio class as of December 31, 2024 and 2023.


	December 31,
(in thousands)	2024		2023
Commercial and industrial	$	152,263	$	153,750
Real estate:
Commercial owner-occupied	321,962		333,181
Commercial non-owner occupied	1,273,596		1,219,385
Construction	36,970		99,164
Home equity	88,325		82,087
Other residential	143,207		118,508
Installment and other consumer loans	66,933		67,645
Total loans, at amortized cost 1	2,083,256		2,073,720
Allowance for credit losses on loans	(30,656)		(25,172)
Total loans, net of allowance for credit losses on loans	$	2,052,600	$	2,048,548

1 Amortized cost includes net deferred loan origination costs of $2.5 million and $2.7 million at December 31, 2024 and 2023, respectively. Amounts are also net of unrecognized purchase discounts of $1.1 million and $2.0 million at December 31, 2024 and 2023, respectively. Amortized cost excludes accrued interest, which totaled $6.8 million and $6.6 million at December 31, 2024 and 2023, respectively, and is included in interest receivable and other assets in the consolidated statements of condition.

Lending Risks

Concentrations of Credit: Virtually all of our loans are from customers located in Northern California. Approximately 89% and 90% of total loans were secured by real estate at December 31, 2024 and 2023, respectively. At December 31, 2024 and 2023, 77% and 75%, respectively, of our total loans were commercial real estate, the majority of which were secured by real estate located in Marin, Sonoma, San Francisco, Alameda, Napa, Sacramento, and Contra Costa counties (California).

Commercial and Industrial Loans: Commercial loans are generally made to established small and mid-sized businesses to provide financing for their growth and working capital needs, equipment purchases and acquisitions. Management examines historical, current, and projected cash flows to determine the ability of the borrower to repay obligations as agreed. Commercial loans are made based primarily on the identified cash flows of the borrower and secondarily on the underlying collateral and guarantor support. The cash flows of borrowers, however, may not occur as expected, and the collateral securing these loans may fluctuate in value. Most commercial and industrial loans are secured by the assets being financed, such as accounts receivable and inventory, and typically include personal guarantees. We target stable businesses with guarantors who provide additional sources of repayment and have proven to be resilient in periods of economic stress. A weakened economy, and the resultant decreased consumer and/or business spending, may have an effect on the credit quality of commercial loans.

Commercial Real Estate Loans: Commercial real estate loans, which include income producing investment properties and owner-occupied real estate used for business purposes, are subject to underwriting standards and processes similar to commercial loans discussed above. We underwrite these loans to be repaid from cash flow from either the business or investment property and supported by real property collateral. Underwriting standards for commercial real estate loans include, but are not limited to, debt coverage and loan-to-value ratios. Furthermore, a large majority of our loans are guaranteed by the owners of the properties. Conditions in the real estate markets or a downturn in the general economy may adversely affect our commercial real estate loans. In the event of a vacancy, we expect guarantors to carry the loans until they find a replacement tenant. The owner's substantial equity investment provides a strong economic incentive to continue to support their commercial real estate projects. As such, we have generally experienced a relatively low level of losses and delinquencies in this portfolio.

Construction Loans: Construction loans are generally made to developers and builders to finance construction, renovation and occasionally land acquisitions in anticipation of near-term development. Construction loans include interest reserves that are used for the payment of interest during the development and marketing periods and are capitalized as part of the loan balance. When a construction loan is placed on nonaccrual status before the depletion of the interest reserve, we apply the interest funded by the interest reserve against the loan's principal

balance. These loans are underwritten after an evaluation of the borrower's financial strength, reputation, prior track record, and independent appraisals. We monitor all construction projects to determine whether they are on schedule, completed as planned and in accordance with the approved construction budgets. Significant events can affect the construction industry, including: the inherent volatility of real estate markets and vulnerability to delays due to weather, change orders, inability to obtain construction permits, labor or material shortages, and price changes. Estimates of construction costs and value associated with the completed project may be inaccurate. Repayment of construction loans is largely dependent on the ultimate success of the project.

Consumer Loans: Consumer loans primarily consist of home equity lines of credit, other residential loans, floating homes, and indirect luxury auto loans, along with a small number of installment loans. Our other residential loans include tenancy-in-common fractional interest loans ("TIC") located almost entirely in San Francisco County. We originate consumer loans utilizing credit score information, debt-to-income ratio, and loan-to-value ratio analysis. Diversification among consumer loan types, coupled with relatively small loan amounts that are spread across many individual borrowers, mitigates risk. We do not originate sub-prime residential mortgage loans, nor is it our practice to underwrite loans commonly referred to as "Alt-A mortgages," the characteristics of which are reduced documentation, borrowers with low FICO scores, or collateral with high loan-to-value ratios.

Credit Quality Indicators

We use a risk rating system to evaluate asset quality, and to identify and monitor credit risk in individual loans, and in the loan portfolio. Our definitions of “Special Mention” risk graded loans, or worse, are consistent with those used by the Federal Deposit Insurance Corporation ("FDIC"). Our internally assigned grades are as follows:

Pass and Watch: Loans to borrowers of acceptable or better credit quality. Borrowers in this category demonstrate fundamentally sound financial positions, repayment capacity, credit history, and management expertise. Loans in this category must have an identifiable and stable source of repayment and meet the Bank’s policy regarding debt-service-coverage ratios. These borrowers are capable of sustaining normal economic, market or operational setbacks without significant financial consequences. Negative external industry factors are generally not present. The loan may be secured, unsecured, or supported by non-real estate collateral for which the value is more difficult to determine and/or whose marketability is more uncertain. This category also includes “Watch” loans, where the primary source of repayment has been delayed. The “Watch” risk rating is intended to be a transitional grade, with either an upgrade or downgrade within a reasonable period.

Special Mention: Potential weaknesses that deserve close attention. If left uncorrected, those potential weaknesses may result in deterioration of the payment prospects for the asset. Special Mention assets do not present sufficient risk to warrant adverse classification.

Substandard: Inadequately protected by either the current sound worth and paying capacity of the obligor or the collateral pledged, if any. A Substandard asset has well-defined weaknesses that jeopardize the liquidation of the debt. Substandard assets are characterized by the distinct possibility that we will sustain some loss if such weaknesses or deficiencies are not corrected. Well-defined weaknesses include adverse trends or developments in the borrower’s financial condition, managerial weaknesses, and/or significant collateral deficiencies.

Doubtful: Critical weaknesses that make collection or liquidation in full improbable. There may be specific pending events that work to strengthen the asset; however, the amount or timing of the loss may not be determinable. Pending events generally occur within one year of the asset being classified as Doubtful. Examples include: merger, acquisition, or liquidation; capital injection; guarantee; perfecting liens on additional collateral; and refinancing. Such loans are placed on non-accrual status and are usually collateral-dependent.

We regularly review our credits for the accuracy of risk grades whenever we receive new information and at each quarterly and year-end reporting period. Borrowers are generally required to submit financial information at regular intervals. Typically, commercial borrowers with lines of credit are required to submit financial information with reporting intervals ranging from monthly to annually depending on credit size, risk and complexity. In addition, investor commercial real estate borrowers with loans exceeding a certain dollar threshold are usually required to submit rent rolls or property income statements annually. We monitor construction loans monthly. We review home equity and other consumer loans based on delinquency. We also review loans graded “Watch” or worse, regardless of loan type, no less than quarterly.

The following tables present the loan portfolio by loan portfolio class, origination/renewal year and internal risk rating as of December 31, 2024 and 2023. The current year vintage table reflects gross charge-offs by portfolio class and year of origination. Generally, existing term loans that were re-underwritten are reflected in the table in the year of renewal. Lines of credit that have a conversion feature at the time of origination, such as construction to perm loans, are presented by year of origination.


(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
December 31, 2024	2024		2023		2022		2021		2020		Prior				Total
Commercial and industrial:
Pass and Watch	$	9,951	$	20,282	$	7,742	$	1,371	$	2,650	$	27,487	$	71,212	$	140,695
Special Mention	598		—		—		—		5		221		7,286		8,110
Substandard	—		—		2,793		—		—		—		665		3,458
Total commercial and industrial	$	10,549	$	20,282	$	10,535	$	1,371	$	2,655	$	27,708	$	79,163	$	152,263
Gross current period charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	(41)	$	(41)
Commercial real estate, owner-occupied:
Pass and Watch	$	14,638	$	13,386	$	43,381	$	44,536	$	41,160	$	130,197	$	169	$	287,467
Special Mention	—		378		—		18,870		804		9,499		—		29,551
Substandard	—		—		2,110		—		—		2,834		—		4,944

Total commercial real estate, owner-occupied	$	14,638	$	13,764	$	45,491	$	63,406	$	41,964	$	142,530	$	169	$	321,962

Commercial real estate, non-owner occupied:
Pass and Watch	$	119,053	$	64,906	$	162,804	$	196,661	$	179,060	$	442,574	$	9,178	$	1,174,236
Special Mention	18,343		—		2,736		2,097		729		39,888		—		63,793
Substandard	—		497		—		2,127		—		32,943		—		35,567
Total commercial real estate, non-owner occupied	$	137,396	$	65,403	$	165,540	$	200,885	$	179,789	$	515,405	$	9,178	$	1,273,596



Construction:
Pass and Watch	$	18,128	$	—	$	11,380	$	—	$	—	$	—	$	—	$	29,508
Special Mention	7,462		—		—		—		—		—		—		7,462

Total construction	$	25,590	$	—	$	11,380	$	—	$	—	$	—	$	—	$	36,970
Home equity:
Pass and Watch	$	94	$	13	$	—	$	—	$	—	$	968	$	86,337	$	87,412

Substandard	—		—		—		—		—		174		739		913
Total home equity	$	94	$	13	$	—	$	—	$	—	$	1,142	$	87,076	$	88,325
Other residential:
Pass and Watch	$	35,390	$	17,267	$	19,682	$	12,989	$	24,378	$	33,501	$	—	$	143,207


Total other residential	$	35,390	$	17,267	$	19,682	$	12,989	$	24,378	$	33,501	$	—	$	143,207
Installment and other consumer:
Pass and Watch	$	17,525	$	15,429	$	10,841	$	7,798	$	2,788	$	10,901	$	1,429	$	66,711

Substandard	—		—		—		207		—		15		—		222
Total installment and other consumer	$	17,525	$	15,429	$	10,841	$	8,005	$	2,788	$	10,916	$	1,429	$	66,933
Gross current period charge-offs	$	—	$	(14)	$	—	$	(39)	$	—	$	(1)	$	(4)	$	(58)
Total loans:
Pass and Watch	$	214,779	$	131,283	$	255,830	$	263,355	$	250,036	$	645,628	$	168,325	$	1,929,236
Total Special Mention	$	26,403	$	378	$	2,736	$	20,967	$	1,538	$	49,608	$	7,286	$	108,916
Total Substandard	$	—	$	497	$	4,903	$	2,334	$	—	$	35,966	$	1,404	$	45,104

Totals	$	241,182	$	132,158	$	263,469	$	286,656	$	251,574	$	731,202	$	177,015	$	2,083,256
Total gross current period charge-offs	$	—	$	(14)	$	—	$	(39)	$	—	$	(1)	$	(45)	$	(99)


(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
December 31, 2023	2023		2022		2021		2020		2019		Prior				Total
Commercial and industrial:
Pass and Watch	$	25,615	$	9,187	$	2,970	$	3,718	$	15,128	$	21,004	$	62,486	$	140,108
Special Mention	—		—		—		—		334		—		9,300		9,634
Substandard	—		—		—		—		1,311		2,697		—		4,008
Total commercial and industrial	$	25,615	$	9,187	$	2,970	$	3,718	$	16,773	$	23,701	$	71,786	$	153,750
Commercial real estate, owner-occupied:
Pass and Watch	$	13,128	$	41,808	$	49,887	$	37,708	$	40,994	$	114,018	$	56	$	297,599
Special Mention	1,431		4,498		15,636		820		286		8,902		—		31,573
Substandard	—		2,231		—		—		—		1,778		—		4,009

Total commercial real estate, owner-occupied	$	14,559	$	48,537	$	65,523	$	38,528	$	41,280	$	124,698	$	56	$	333,181
Commercial real estate, non-owner occupied:
Pass and Watch	$	76,718	$	172,028	$	196,340	$	150,831	$	139,860	$	368,675	$	9,832	$	1,114,284
Special Mention	—		2,790		9,498		11,776		15,708		41,602		—		81,374
Substandard	878		272		2,204		—		—		20,373		—		23,727
Total commercial real estate, non-owner occupied	$	77,596	$	175,090	$	208,042	$	162,607	$	155,568	$	430,650	$	9,832	$	1,219,385
Construction:
Pass and Watch	$	13,138	$	24,403	$	19,521	$	29,512	$	—	$	—	$	—	$	86,574
Special Mention	12,590		—		—		—		—		—		—		12,590

Total construction	$	25,728	$	24,403	$	19,521	$	29,512	$	—	$	—	$	—	$	99,164
Home equity:
Pass and Watch	$	—	$	—	$	—	$	—	$	—	$	734	$	80,773	$	81,507

Substandard	—		—		—		—		—		369		211		580
Total home equity	$	—	$	—	$	—	$	—	$	—	$	1,103	$	80,984	$	82,087
Other residential:
Pass and Watch	$	17,861	$	20,114	$	13,390	$	25,637	$	20,935	$	20,571	$	—	$	118,508


Total other residential	$	17,861	$	20,114	$	13,390	$	25,637	$	20,935	$	20,571	$	—	$	118,508
Installment and other consumer:
Pass and Watch	$	22,038	$	14,528	$	10,632	$	4,687	$	5,300	$	9,399	$	1,061	$	67,645


Total installment and other consumer	$	22,038	$	14,528	$	10,632	$	4,687	$	5,300	$	9,399	$	1,061	$	67,645
Total loans:
Pass and Watch	$	168,498	$	282,068	$	292,740	$	252,093	$	222,217	$	534,401	$	154,208	$	1,906,225
Total Special Mention	$	14,021	$	7,288	$	25,134	$	12,596	$	16,328	$	50,504	$	9,300	$	135,171
Total Substandard	$	878	$	2,503	$	2,204	$	—	$	1,311	$	25,217	$	211	$	32,324

Totals	$	183,397	$	291,859	$	320,078	$	264,689	$	239,856	$	610,122	$	163,719	$	2,073,720

The following table shows the amortized cost of loans by portfolio class, payment aging and non-accrual status as of December 31, 2024 and 2023.


Loan Aging Analysis by Portfolio Class
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, non-owner occupied		Construction		Home equity		Other residential		Installment and other consumer		Total
December 31, 2024
30-59 days past due	$	203	$	208	$	718	$	—	$	738	$	—	$	415	$	2,282
60-89 days past due	—		559		—		—		186		—		7		752
90 days or more past due 1	2,793		113		10,742		—		248		—		8		13,904
Total past due	2,996		880		11,460		—		1,172		—		430		16,938
Current	149,267		321,082		1,262,136		36,970		87,153		143,207		66,503		2,066,318
Total loans 1	$	152,263	$	321,962	$	1,273,596	$	36,970	$	88,325	$	143,207	$	66,933	$	2,083,256
Non-accrual loans 2	$	2,845	$	1,537	$	28,525	$	—	$	752	$	—	$	222	$	33,881
Non-accrual loans with no allowance	$	—	$	1,537	$	497	$	—	$	752	$	—	$	207	$	2,993
December 31, 2023
30-59 days past due	$	2,991	$	618	$	—	$	—	$	43	$	83	$	195	$	3,930
60-89 days past due	69		—		2,204		—		—		—		1		2,274
90 days or more past due 1	1,311		149		—		—		—		—		—		1,460
Total past due	4,371		767		2,204		—		43		83		196		7,664
Current	149,379		332,414		1,217,181		99,164		82,044		118,425		67,449		2,066,056
Total loans 1	$	153,750	$	333,181	$	1,219,385	$	99,164	$	82,087	$	118,508	$	67,645	$	2,073,720
Non-accrual loans 2	$	4,008	$	434	$	3,081	$	—	$	469	$	—	$	—	$	7,992
Non-accrual loans with no allowance	$	1,311	$	434	$	877	$	—	$	469	$	—	$	—	$	3,091

1 There were no non-performing loans past due more than ninety days and accruing interest at December 31, 2024 and 2023.

2 None of the non-accrual loans as of December 31, 2024 or 2023 were earning interest on a cash basis. We recognized no interest income on non-accrual loans in 2024, 2023, or 2022. Accrued interest of $530 thousand, $206 thousand, and $48 thousand was reversed from interest income for the loans that were placed on non-accrual status in 2024, 2023, and 2022, respectively.

Collateral Dependent Loans

The following table presents the amortized cost basis of individually analyzed collateral-dependent loans, which were all on non-accrual status, by portfolio class and collateral type as of December 31, 2024 and 2023.


	Amortized Cost by Collateral Type
(in thousands)	Commercial Real Estate		Residential Real Estate		Other		Total1		Allowance for Credit Losses
December 31, 2024
Commercial and industrial	$	52	$	—	$	—	$	52	$	52
Commercial real estate, owner-occupied	1,537		—		—		1,537		—
Commercial real estate, non-owner occupied	28,525		—		—		28,525		7,933

Home equity	—		752		—		752		—

Installment and other consumer	—				222		222		15
Total	$	30,114	$	752	$	222	$	31,088	$	8,000
December 31, 2023
Commercial and industrial	$	1,311	$	—	$	—	$	1,311	$	—
Commercial real estate, owner-occupied	434		—		—		434		—
Commercial real estate, non-owner occupied	3,081		—		—		3,081		408

Home equity	—		469		—		469		—


Total	$	4,826	$	469	$	—	$	5,295	$	408

1There were no collateral-dependent residential real estate mortgage loans in process of foreclosure or in substance repossessed at December 31, 2024 and 2023.

The weighted average loan-to-value of collateral-dependent loans was approximately 115% and 70% at December 31, 2024 and 2023, respectively.

Loan Modifications to Borrowers Experiencing Financial Difficulty

The following table summarizes the amortized cost of loans as of December 31, 2024 and 2023 modified for borrowers experiencing financial difficulty during the years ended December 31, 2024 and 2023, respectively, by portfolio class and type of modification granted.


(in thousands)	Term Extension		Total Modifications		Percent of Portfolio Class Total
December 31, 2024




Home equity	$	188	$	188	0.2	%


Total	$	188	$	188
December 31, 2023

Commercial owner-occupied	$	1,431	$	1,431	0.4	%
Commercial non-owner occupied	878		878		0.1	%




Total	$	2,309	$	2,309

As of December 31, 2024 and 2023, there were no unfunded loan commitments for loans that were modified during the periods presented.

The following table summarizes the financial effect of loan modifications presented in the table above during the years ended December 31, 2024 and 2023 by portfolio class.


(in thousands)									Weighted-Average Term Extension (in years)
Year ended December 31, 2024




Home equity									6.6


Year ended December 31, 2023

Commercial owner-occupied									2.3
Commercial non-owner occupied									0.5

The loan modifications did not significantly impact the determination of the allowance for credit losses on loans during the years ended December 31, 2024 and 2023.

The Bank closely monitors the performance of the modified loans to understand the effectiveness of its modification efforts. The following table summarizes the amortized cost and payment status of loans as of December 31, 2024 and 2023 that were modified during the years ended December 31, 2024 and 2023, respectively, by portfolio class.


(in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Total		Non-Accrual
December 31, 2024




Home equity	$	188	$	—	$	—	$	—	$	188	$	113


Total	$	188	$	—	$	—	$	—	$	188	$	113
December 31, 2023

Commercial owner-occupied	$	1,431	$	—	$	—	$	—	$	1,431	$	—
Commercial non-owner occupied	878		—		—		—		878		878




Total	$	2,309	$	—	$	—	$	—	$	2,309	$	878

There were no loans to borrowers experiencing financial difficulty that were modified within the previous twelve months that had subsequently defaulted (i.e., fully or partially charged-off or became 90 days or more past due).

Allocation of the Allowance for Credit Losses on Loans

The following table presents the details of the allowance for credit losses on loans segregated by loan portfolio class as of December 31, 2024 and 2023.


Allocation of the Allowance for Credit Losses on Loans
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, non-owner occupied		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
December 31, 2024
Modeled expected credit losses	$	759	$	1,241	$	7,632	$	41	$	620	$	1,133	$	625	$	—	$	12,051
Qualitative adjustments	672		1,120		6,528		597		64		8		268		1,255		10,512
Specific allocations	145		—		7,933		—		—		—		15		—		8,093
Total	$	1,576	$	2,361	$	22,093	$	638	$	684	$	1,141	$	908	$	1,255	$	30,656
December 31, 2023
Modeled expected credit losses	$	897	$	1,270	$	7,380	$	185	$	482	$	619	$	634	$	—	$	11,467
Qualitative adjustments	622		1,205		6,327		1,647		70		33		342		2,038		12,284
Specific allocations	193		1		1,226		—		—		1		—		—		1,421
Total	$	1,712	$	2,476	$	14,933	$	1,832	$	552	$	653	$	976	$	2,038	$	25,172

The $5.5 million increase in the allowance for credit losses on loans in 2024 was largely due to the specific allowance increase of $6.7 million. This was mainly due to the increased reserve of $5.2 million for one non-owner occupied commercial real estate loan totaling $16.7 million that, although current, had experienced a deterioration in the collateral value and, therefore, a material increase in the loan-to-value.

Allowance for Credit Losses on Loans Rollforward

The following table discloses activity in the allowance for credit losses for the periods presented.


Allowance for Credit Losses on Loans Rollforward
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, non-owner occupied		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
Year ended December 31, 2024
Beginning balance	$	1,712	$	2,476	$	14,933	$	1,832	$	552	$	653	$	976	$	2,038	$	25,172
(Reversal) provision	(116)		(115)		7,152		(1,194)		132		488		(14)		(783)		5,550
(Charge-offs)	(41)		—		—		—		—		—		(58)		—		(99)
Recoveries	21		—		8		—		—		—		4		—		33
Ending balance	$	1,576	$	2,361	$	22,093	$	638	$	684	$	1,141	$	908	$	1,255	$	30,656
Year ended December 31, 2023
Beginning balance	$	1,794	$	2,487	$	12,676	$	1,937	$	558	$	595	$	868	$	2,068	22,983
(Reversal) provision	(100)		395		2,257		(130)		(6)		58		131		(30)		2,575
(Charge-offs)	(11)		(406)		—		—		—		—		(24)		—		(441)
Recoveries	29		—		—		25		—		—		1		—		55
Ending balance	$	1,712	$	2,476	$	14,933	$	1,832	$	552	$	653	$	976	$	2,038	$	25,172
Year ended December 31, 2022
Beginning balance	$	1,709	$	2,776	$	12,739	$	1,653	$	595	$	644	$	621	$	2,286	$	23,023
Provision (reversal)	72		(289)		(63)		251		(37)		(49)		270		(218)		(63)
(Charge-offs)	(9)		—		—		—		—		—		(23)		—		(32)
Recoveries	22		—		—		33		—		—		—		—		55
Ending balance	$	1,794	$	2,487	$	12,676	$	1,937	$	558	$	595	$	868	$	2,068	$	22,983

Pledged Loans

Our FHLB line of credit is secured under terms of a blanket collateral agreement by a pledge of certain qualifying loans with unpaid principal balances of $1.351 billion and $1.288 billion at December 31, 2024 and 2023, respectively. In addition, we pledged eligible TIC loans, which totaled $110.0 million and $110.4 million at

December 31, 2024 and 2023, respectively, to secure our borrowing capacity with the Federal Reserve Bank ("FRB"). For additional information, see Note 7, Borrowings.

Related Party Loans

The Bank has, and expects to have in the future, banking transactions in the ordinary course of its business with directors, officers, principal shareholders and their businesses or associates. These transactions, including loans, are granted on substantially the same terms, including interest rates and collateral on loans, as those prevailing at the same time for comparable transactions with persons not related to us. Likewise, these transactions do not involve more than the normal risk of collectability or present other unfavorable features.

The following table shows changes in net loans to related parties for each of the three years ended December 31, 2024, 2023 and 2022.


(in thousands)	2024		2023		2022
Balance at beginning of year	$	5,832	$	6,445	$	7,942
Additions	1,425		—		1,525

Repayments	(3,125)		(613)		(364)
Reclassified due to a change in borrower status	—		—		(2,658)
Balance at end of year	$	4,132	$	5,832	$	6,445

Undisbursed commitments to related parties totaled $211 thousand and $212 thousand as of December 31, 2024 and 2023, respectively.

Bank Premises and Equipment

12 Months Ended

Dec. 31, 2024

Property, Plant and Equipment [Abstract]

Bank Premises and Equipment

A summary of bank premises and equipment follows:


	December 31,
(in thousands)	2024		2023
Leasehold improvements	$	16,762	$	16,578
Furniture and equipment	10,544		11,336
Buildings	1,261		1,248
Land	1,170		1,170
Finance lease right-of-use assets 1	616		608
Subtotal	30,353		30,940
Accumulated depreciation and amortization	(23,521)		(23,148)
Bank premises and equipment, net	$	6,832	$	7,792
1 See Note 12, Commitments and Contingencies, for more information.

The amount of depreciation and amortization totaled $1.5 million, $2.1 million, and $1.8 million for the years ended December 31, 2024, 2023 and 2022, respectively.

Bank Owned Life Insurance	12 Months Ended
Bank Owned Life Insurance	Dec. 31, 2024
Insurance [Abstract]
Bank Owned Life Insurance	Bank Owned Life Insurance We own life insurance policies on the lives of certain current and former officers designated by the Board of Directors to fund our employee benefit programs. Death benefits, including gross amounts under split dollar agreements, were estimated to be $133.5 million as of December 31, 2024. Generally, under split dollar agreements, the benefits to the employees' beneficiaries are limited to each employee's active service period. The investments in BOLI policies are reported at their cash surrender value, net of surrender charges, of $71.0 million and $68.1 million at December 31, 2024 and 2023, respectively. The cash surrender value includes both the original premiums paid for the life insurance policies and the accumulated accretion of policy income since the inception of the policies, net of mortality costs and other fees. Earnings on BOLI totaled $1.7 million, $1.8 million and $1.2 million in 2024, 2023 and 2022, respectively. These earnings included death benefit proceeds in excess of the cash surrender values of the BOLI policies of $313 thousand in 2023 and $86 thousand in 2022. There were no death benefit proceeds in 2024. We regularly monitor the financial information and credit ratings of our insurance carriers to ensure that they are creditworthy and comply with our policy.

Deposits

12 Months Ended

Dec. 31, 2024

Deposits [Abstract]

Deposits

A stratification of time deposits is presented in the following table:


	December 31,
(in thousands)	2024		2023
Time deposits of less than or equal to $250 thousand	$	134,068	$	145,697
Time deposits of more than $250 thousand	108,309		105,620
Total time deposits	$	242,377	$	251,317

Interest on time deposits was $9.3 million, $4.7 million and $323 thousand in 2024, 2023 and 2022, respectively.

Scheduled maturities of time deposits at December 31, 2024 are as follows:


(in thousands)	2025		2026		2027		2028		2029		Thereafter		Total
Scheduled time deposit maturities	$	230,203	$	6,188	$	2,805	$	2,319	$	862	$	—	$	242,377

As of December 31, 2024, $288.4 million in securities were pledged as collateral for our local agency deposits.

The aggregate amount of deposit overdrafts that have been reclassified as loan balances was $393 thousand and $320 thousand at December 31, 2024 and 2023, respectively.

The Bank accepts deposits from shareholders, members of the board of directors, and employees in the normal course of business, and the terms are comparable to those with non-affiliated parties. The total deposits from board directors and their businesses, and executive officers were $18.0 million and $23.6 million at December 31, 2024 and 2023, respectively.

Borrowings and Other Obligations

12 Months Ended

Dec. 31, 2024

Debt Disclosure [Abstract]

Borrowings and Other Obligations

Federal Home Loan Bank: The Bank had lines of credit with the FHLB totaling $948.1 million and $1.009 billion as of December 31, 2024 and 2023, respectively, based on the eligible collateral of certain loans and investment securities.

Federal Funds Lines of Credit: The Bank had unsecured lines of credit with correspondent banks for overnight borrowings totaling $125.0 million and $135.0 million as of December 31, 2024 and 2023, respectively. In general, interest rates on these lines approximate the federal funds target rate.

Federal Reserve Bank: The Bank had a line of credit through the Discount Window at the Federal Reserve Bank of San Francisco ("FRBSF") totaling $358.0 million as of December 31, 2024, secured by investment securities and residential loans. As of December 31, 2023, the Bank had a line of credit through the Discount Window totaling $64.0 million, secured by residential loans, and a $270.2 million line under the Federal Reserve's temporary Bank Term Funding Program ("BTFP") based on the par values of pledged investment securities. When the BTFP program ended on March 11, 2024, the investment securities were reallocated to our borrowing facility through the Discount Window.

Other Obligations: Finance lease liabilities totaling $154 thousand and $298 thousand at December 31, 2024 and 2023, respectively, are included in borrowings and other obligations in the Consolidated Statements of Condition. Refer to Note 12, Commitments and Contingencies, for additional information.

The carrying values, average balances and average rates on borrowings and other obligations as of and for the years ended December 31, 2024, 2023 and 2022 are summarized in the following table.


	2024						2023						2022
(dollars in thousands)	Carrying Value		Average Balance		Average Rate		Carrying Value		Average Balance		Average Rate		Carrying Value		Average Balance		Average Rate
FHLB short-term borrowings	$	—	$	119	5.52	%	$	—	$	164,299	5.10	%	$	112,000	$	1,921	4.48	%
FHLB fixed-rate advances	—		—		—	%	—		—		—	%	—		—		—	%
Federal funds lines of credit	—		—		—	%	—		—		—	%	—		—		—	%
FRBSF advances - Discount Window	—		2,680		5.42	%	—		—		—	%	—		—		—	%
FRBSF short-term borrowings under the BTFP	—		1,607		5.00	%	26,000		56,959		5.30	%	—		—		—	%
Other obligations (finance leases)	154		222		2.23	%	298		$	364	1.88	%	439		374		0.65	%
Total borrowings and other obligations	$	154	$	4,628	5.13	%	$	26,298	$	221,623	5.15	%	$	112,439	$	2,295	3.90	%

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477092/405-40-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
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-Name Accounting Standards Codification
-Section 50
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI https://asc.fasb.org/470/tableOfContent

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (g)
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-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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-Section 50
-Paragraph 1B
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-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Reference 16: http://www.xbrl.org/2003/role/disclosureRef
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Reference 17: http://www.xbrl.org/2003/role/disclosureRef
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Reference 18: http://www.xbrl.org/2003/role/disclosureRef
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Reference 19: http://www.xbrl.org/2003/role/disclosureRef
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Reference 20: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Stockholders' Equity and Stock Plans

12 Months Ended

Dec. 31, 2024

Equity [Abstract]

Stockholders' Equity and Stock Plans

Share-Based Awards

The 2020 Director Stock Plan (the "Plan") provides for the payment of director fees in common shares of Bancorp's common stock not to exceed 250,000 shares and a way for directors to purchase shares at fair market value. During 2024, 2023 and 2022 we issued 27,287, 18,362 and 10,145 shares of common stock, respectively, for director payments. As of December 31, 2024, 182,355 shares were available for future director fees and purchases.

The 2017 Employee Stock Purchase Plan ("ESPP") gives our employees an opportunity to purchase Bancorp's common shares through payroll deductions of between one and fifteen percent of their pay. Shares are purchased quarterly at a five percent discount from the closing market price on the last day of the quarter. As of December 31, 2024, 370,739 shares were available for future purchases under the ESPP.

Under the 2017 Equity Plan, the Compensation Committee of the Board of Directors has the discretion to determine, among other things, which employees, advisors and non-employee directors will receive share-based awards, the number and timing of awards, the vesting schedule for each award, and the type of award to be granted. As of December 31, 2024, there were 742,785 shares available for future grants to employees, advisors and non-employee directors. Options are issued at an exercise price equal to the fair value of the stock at the date of grant. Options granted to officers and employees generally vest by one-third on each anniversary of the grant for three years and expire ten years from the grant date. Options granted to non-employee directors vest immediately and expire ten years from the grant date. Stock options and restricted stock may be net settled in a cashless exercise by a reduction in the number of shares otherwise deliverable upon exercise or vesting in satisfaction of the exercise payment and/or applicable tax withholding requirements. Shares withheld under net settlement arrangements are available for future grants. The table below depicts the total number of shares, amount, and weighted average price withheld for cashless exercises in each of the respective years.


	December 31, 2024		December 31, 2023		December 31, 2022
Number of shares withheld	3,798		3,132		11,505
Total amount withheld (in thousands)	$	64	$	86	$	393
Weighted-average price	$	16.89	$	27.57	$	34.13

Performance-based stock awards (restricted stock) are issued to a selected group of employees under the 2017 Equity Plan. Stock award vesting is contingent upon the achievement of pre-established long-term performance goals set by the Compensation Committee of the Board of Directors. Performance is measured over a three-year period and cliff vested. These performance-based stock awards were granted at a maximum opportunity level, and based on the achievement of the pre-established goals, the actual payouts can range from 0% to 200% of the target award. For performance-based stock awards, an estimate is made of the number of shares expected to vest based on the probability that the performance criteria will be met to determine the amount of compensation expense to be recognized. The estimate is re-evaluated quarterly, and total compensation expense is adjusted for any change in the current period.

A summary of stock option activity for the years ended December 31, 2024, 2023, and 2022 is presented in the following table. The intrinsic value of options outstanding and exercisable is calculated as the number of in-the-money options times the difference between the market price of our stock and the exercise prices of the in-the-money options as of each year-end period presented.


	Number of Shares	Weighted Average Exercise Price		Aggregate Intrinsic Value (in thousands)		Weighted Average Grant-Date Fair Value	Weighted Average Remaining Contractual Term (in years)
Options outstanding at December 31, 2021	365,381	$	31.97	$	2,326		5.57
Granted	39,094	34.16				8.49
Cancelled, expired or forfeited	(23,760)	37.48
Exercised	(51,010)	23.01		617
Options outstanding at December 31, 2022	329,705	33.22		813			5.59
Exercisable (vested) at December 31, 2022	287,228	32.81		813			5.15
Options outstanding at December 31, 2022	329,705	33.22		813			5.59
Granted	10,040	32.54				8.49
Cancelled, expired or forfeited	(23,804)	35.06
Exercised	(12,164)	20.25		88
Options outstanding at December 31, 2023	303,777	33.22		1			4.86
Exercisable (vested) at December 31, 2023	283,578	33.46		1			4.65
Options outstanding at December 31, 2023	303,777	33.22		1			4.86

Cancelled, expired or forfeited	(25,594)	29.81

Options outstanding at December 31, 2024	278,183	33.92		2			3.93
Exercisable (vested) at December 31, 2024	273,242	33.92		2			3.87

A summary of the options outstanding and exercisable by price range as of December 31, 2024 is presented in the following table:


	Stock Options Outstanding as of December 31, 2024				Stock Options Exercisable as of December 31, 2024
Range of Exercise Prices	Stock Options Outstanding	Remaining Contractual Life (in years)	Weighted Average Exercise Price		Stock Options Exercisable	Weighted Average Exercise Price

$10.00 - $20.00	402	2.1	$	19.96	402	$	19.96
$20.01 - $30.00	60,840	0.8	24.98		60,840	24.98
$30.01 - $40.00	159,433	4.9	34.41		154,492	34.42
$40.01 - $50.00	57,508	4.6	42.12		57,508	42.12
	278,183				273,242

The following table summarizes non-vested restricted stock awards and changes during the years ended December 31, 2024, 2023, and 2022.


	Number of Shares	Weighted Average Grant-Date Fair Value
Non-vested awards at December 31, 2021	61,830	$	40.25
Granted	46,672	34.03
Vested	(12,444)	41.49
Cancelled or forfeited	(13,692)	41.8
Non-vested awards at December 31, 2022	82,366	36.28
Granted	61,978	27.10
Vested	(15,768)	36.24
Cancelled or forfeited	(21,024)	36.86
Non-vested awards at December 31, 2023	107,552	30.88
Granted	106,964	16.61
Vested	(20,832)	31.76
Cancelled or forfeited	(42,396)	26.97
Non-vested awards at December 31, 2024	151,288	21.77

We determine the fair value of stock options at the grant date using the Black-Scholes pricing model that takes into account the stock price at the grant date, exercise price, and the following assumptions (weighted-average shown). There were no options granted in the year 2024.


	Years ended December 31,
	2024	2023		2022
Risk-free interest rate	N/A	3.94	%	1.86	%
Expected dividend yield on common stock	N/A	3.07	%	2.85	%
Expected life in years	N/A	5.0		6.0
Expected price volatility	N/A	34.68	%	33.44	%

The fair value of stock options as of the grant date is recorded as stock-based compensation expense in the consolidated statements of comprehensive income (loss) over the requisite service period, which is generally the vesting period, with a corresponding increase in common stock. Stock-based compensation also includes compensation expense related to the issuance of restricted stock awards. The grant-date fair value of the restricted stock awards, which equals the grant date price, is recorded as compensation expense over the requisite service period with a corresponding increase in common stock as the shares vest. Stock options and restricted stock awards issued include a retirement eligibility clause whereby the requisite service period is satisfied at the retirement eligibility date. For those awards, we accelerate the recording of stock-based compensation when the award holder is eligible to retire. However, retirement eligibility does not affect the vesting of restricted stock or the exercisability of the stock options, which are based on the scheduled vesting period. Total compensation expense for stock options and restricted stock awards was $622 thousand, $522 thousand, and $962 thousand during 2024, 2023, and 2022, respectively, and the total recognized deferred tax benefits related thereto were $206 thousand, $146 thousand, and $257 thousand, respectively.

As of December 31, 2024, there was $800 thousand of total unrecognized compensation expense related to non-vested stock options and restricted stock awards, which is expected to be recognized over a weighted-average period of approximately 2.2 years. The total grant-date fair value of stock options vested during the years ended December 31, 2024, 2023, and 2022 was $100 thousand, $255 thousand, and $356 thousand, respectively. The total grant-date fair value of restricted stock awards vested during the years ended December 31, 2024, 2023, and 2022 was $355 thousand, $428 thousand, and $431 thousand, respectively.

We record excess tax benefits (deficiencies) resulting from the exercise of non-qualified stock options, the disqualifying disposition of incentive stock options and vesting of restricted stock awards as income tax benefits (expense) in the consolidated statements of comprehensive income (loss), with a corresponding decrease (increase) to current taxes payable. In 2023 and 2022 we recognized $2 thousand and $3 thousand, respectively, in excess tax benefits recorded as a reduction to income tax expense related to these types of transactions while in 2024 we recognized none. The tax benefits realized from disqualifying dispositions of incentive stock options were recognized in tax expense to the extent of the book compensation cost recorded.

Dividends

Presented below is a summary of cash dividends paid in the years ended December 31, 2024, 2023, and 2022 to common shareholders, recorded as a reduction from retained earnings. On January 23, 2025, the Board of Directors declared a $0.25 per share cash dividend, paid on February 13, 2025 to the shareholders of record at the close of business on February 6, 2025.


	Years ended December 31,
(in thousands except per share data)	2024		2023		2022
Cash dividends to common stockholders	$	16,197	$	16,106	$	15,673
Cash dividends per common share	$	1.00	$	1.00	$	0.98

Holders of unvested restricted stock awards are entitled to dividends at the same per-share ratio as holders of common stock. Tax benefits for dividends paid on unvested restricted stock awards are recorded as tax benefits in the consolidated statements of comprehensive income (loss) with a corresponding decrease to current taxes payable. Dividends on forfeited awards are included in stock-based compensation expense.

Under the California Corporations Code, payment of dividends by Bancorp to its shareholders is restricted to the amount of retained earnings immediately prior to the distribution or the amount of assets that exceeds the total liabilities immediately after the distribution. As of December 31, 2024, Bancorp's retained earnings and total assets that exceeded total liabilities were $250.0 million and $435.4 million, respectively.

Under the California Financial Code, payment of dividends by the Bank to Bancorp generally is restricted to the lesser of retained earnings or the amount of undistributed net profits of the Bank from the three most recent fiscal years. Under this restriction, approximately $717 thousand of the Bank's retained earnings balance was available for payment of dividends to Bancorp as of December 31, 2024. Dividends in excess of that amount may be paid with prior approval of the DFPI. Bancorp held $10.3 million in cash as of December 31, 2024.

Share Repurchase Program

In 2022, Bancorp repurchased 23,275 shares totaling $877 thousand in the share repurchase plan approved by the Bancorp's Board of Directors on July 16, 2021, amended October 22, 2021.

On July 21, 2023, the Board of Directors approved the adoption of Bancorp's new share repurchase program, which replaced the existing program that expired on July 31, 2023, for up to $25.0 million and expiring on July 31, 2025. Under this new program, Bancorp repurchased 220,000 shares totaling $4.3 million at an average price of $19.21 per share in the year ended December 31, 2024, and made no repurchases under this program in the year ended December 31, 2023. Bancorp will continue to assess opportunities to utilize the program.

Under the share repurchase program, Bancorp may purchase shares of its common stock through various means, such as open market transactions, including block purchases, and privately negotiated transactions. The number of shares repurchased and the timing, manner, price and amount of any repurchases will be determined at Bancorp's discretion. Factors include, but are not limited to, stock price, trading volume and general market conditions, along with Bancorp’s general business conditions. The program may be suspended or discontinued at any time and does not obligate Bancorp to acquire any specific number of shares of its common stock.

As part of the share repurchase program, Bancorp entered into a trading plan adopted in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. The 10b5-1 trading plan permits common stock to be repurchased at times that might otherwise be prohibited under insider trading laws or self-imposed trading restrictions. The 10b5-1 trading plan is administered by an independent broker and is subject to price, market volume and timing restrictions.

- Definition

The entire disclosure for equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Fair Value of Assets and Liabilities

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value of Assets and Liabilities

Fair Value Hierarchy and Fair Value Measurement

We group our assets and liabilities that are measured at fair value into three levels within the fair value hierarchy, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. These levels are:

Level 1: Valuations are based on unadjusted quoted prices in active markets for identical assets or liabilities.

Level 2: Valuations are based on quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active and model-based valuations for which all significant assumptions are observable or can be corroborated by observable market data.

Level 3: Valuations are based on unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Values are determined using pricing models and discounted cash flow models and may include significant management judgment and estimation.

Transfers between levels of the fair value hierarchy are recognized through our monthly and/or quarterly valuation process in the reporting period during which the event or circumstances that caused the transfer occurred. No such transfers occurred in the years presented.

The following table summarizes our assets and liabilities that were required to be recorded at fair value on a recurring basis.


(in thousands) Description of Financial Instruments	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Measurement Categories: Changes in Fair Value Recorded In1
December 31, 2024
Securities available for sale:
Commercial mortgage-back securities, mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	279,838	$	—	$	279,838	$	—	OCI
SBA-backed securities	$	308	$	—	$	308	$	—	OCI
Debentures of government sponsored agencies	$	7,210	$	—	$	7,210	$	—	OCI
U.S. Treasury securities	$	10,815	$	10,815	$	—	$	—	OCI

Obligations of state and political subdivisions	$	83,714	$	—	$	83,714	$	—	OCI
Corporate bonds	$	5,649	$	—	$	5,649	$	—	OCI

Derivative financial assets (interest rate contracts)	$	333	$	—	$	333	$	—	NI

December 31, 2023
Securities available for sale:
Commercial mortgage-back securities, mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	352,472	$	—	$	352,472	$	—	OCI
SBA-backed securities	$	19,471	$	—	$	19,471	$	—	OCI
Debentures of government sponsored agencies	$	66,862	$	—	$	66,862	$	—	OCI
U.S. Treasury securities	$	10,623	$	10,623	$	—	$	—	OCI

Obligations of state and political subdivisions	$	91,882	$	—	$	91,882	$	—	OCI
Corporate bonds	$	10,718	$	—	$	10,718	$	—	OCI

Derivative financial assets (interest rate contracts)	$	287	$	—	$	287	$	—	NI
Derivative financial liabilities (interest rate contracts)	$	1,361	$	—	$	1,361	$	—	NI

1Other comprehensive income (loss) ("OCI") or net income ("NI").

Available-for-sale securities are recorded at fair value on a recurring basis. When available, quoted market prices (Level 1) are used to determine the fair value of available-for-sale securities. Level 1 securities include U.S. Treasury securities. If quoted market prices are not available, we obtain pricing information from a reputable third-

party service provider, who may utilize valuation techniques that use current market-based or independently sourced parameters, such as bid/ask prices, dealer-quoted prices, interest rates, benchmark yield curves, prepayment speeds, probability of default, loss severity and credit spreads (Level 2). Level 2 securities include asset-backed securities, obligations of state and political subdivisions, U.S. agencies or government-sponsored agencies' debt securities, mortgage-backed securities, government agency-issued securities, and corporate bonds. As of December 31, 2024 and 2023, there were no Level 3 securities.

Held-to-maturity securities may be subject to an allowance for credit losses as a result of our evaluation of expected losses due to credit quality factors. We did not record any credit loss expense on held-to-maturity securities during 2024 or 2023. Fair value of held-to-maturity securities is determined using the same techniques discussed above for available-for-sale securities.

On a recurring basis, derivative financial instruments are recorded at fair value, which is based on the income approach using observable Level 2 market inputs, reflecting market expectations of future interest rates as of the measurement date. Standard valuation techniques are used to calculate the present value of the future expected cash flows assuming an orderly transaction. Valuation adjustments may be made to reflect both our own credit risk and the counterparties’ credit risk in determining the fair value of the derivatives. These unobservable inputs are not considered significant inputs to the fair value measurement overall. Level 2 inputs for the valuations are limited to observable market prices for Secured Overnight Financing Rate ("SOFR") and Overnight Index Swap ("OIS") rates (for the very short term), quoted prices for SOFR futures contracts, observable market prices for SOFR and OIS swap rates, and one-month and three-month SOFR basis spreads at commonly quoted intervals. Mid-market pricing of the inputs is used as a practical expedient in fair value measurements. We project spot rates at reset days specified by each swap contract to determine future cash flows, then discount to present value using OIS curves as of the measurement date. When the value of any collateral placed with counterparties is less than the interest rate derivative liability, a credit valuation adjustment ("CVA") is applied to reflect the credit risk we pose to counterparties. We have used the spread between the Standard & Poor's BBB rated U.S. Bank Composite rate and SOFR for the closest maturity term corresponding to the duration of the swaps to derive the CVA. Because there is little to no counterparty risk, we did not incorporate credit adjustments from our assessment of the counterparty credit risk in determining fair value. For further discussion on our methodology for valuing our derivative financial instruments, refer to Note 9, Derivative Financial Instruments and Hedging Activities.

Certain financial assets may be measured at fair value on a non-recurring basis. These assets are subject to fair value adjustments that result from the application of the lower of cost or fair value accounting or write-downs of individual assets, such as individually analyzed loans that are collateral dependent and other real estate owned ("OREO").

OREO is classified as Level 3 and represents collateral acquired through foreclosure and is initially recorded at fair value as established by a current appraisal of the collateral. Subsequent to foreclosure, OREO is carried at the lower of cost or fair value, less estimated costs to sell. On July 12, 2023, the Bank completed the sale of its only OREO property for the periods presented.

(in thousands)

Carrying Value

Quoted Prices in Active Markets for Identical Assets (Level 1)

Significant Other Observable Inputs
(Level 2)

Significant Unobservable Inputs
(Level 3)

Disclosures about Fair Value of Financial Instruments

The table below is a summary of fair value estimates for financial instruments as of December 31, 2024 and 2023, excluding financial instruments recorded at fair value on a recurring basis (summarized in the first table in this note). The carrying amounts in the following table are recorded in the consolidated statements of condition under the indicated captions. Further, we have not disclosed the fair value of financial instruments specifically excluded from disclosure requirements such as bank-owned life insurance policies ("BOLI"), lease obligations and non-maturity deposit liabilities. Additionally, we held shares of Federal Home Loan Bank ("FHLB") of San Francisco stock at cost as of December 31, 2024 and 2023, and Visa Inc. Class B common stock with no carrying value as of December 31, 2023, which was sold entirely in July of 2023. There were no impairments or changes resulting from observable price changes in orderly transactions for the identical or similar investments of the same issuer as of December 31, 2024 and 2023. See further discussion on values within Note 2, Investment Securities, above.


	December 31, 2024					December 31, 2023
(in thousands)	Carrying Amounts		Fair Value		Fair Value Hierarchy	Carrying Amounts		Fair Value		Fair Value Hierarchy
Financial assets (recorded at amortized cost)
Cash and cash equivalents	$	137,304	$	137,304	Level 1	$	30,453	$	30,453	Level 1
Investment securities held-to-maturity	879,199		763,535		Level 2	925,198		814,830		Level 2
Loans, net of allowance for credit losses	2,052,600		1,965,429		Level 3	2,048,548		1,939,702		Level 3
Interest receivable	11,934		11,934		Level 2	12,752		12,752		Level 2
Financial liabilities (recorded at amortized cost)
Time deposits	242,377		243,773		Level 2	251,317		252,824		Level 2

FRBSF short-term borrowings under the BTFP	—		—		Level 2	26,000		25,998		Level 2

Interest payable	3,019		3,019		Level 2	2,752		2,752		Level 2

The fair value of loans is based on exit price techniques and obtained from an independent third-party that uses its proprietary valuation model and methodology and may differ from the actual price from a prospective buyer. The discounted cash flow valuation approach reflects key inputs and assumptions that are unobservable, such as loan probability of default, loss given default, prepayment speed, and market discount rates.

The fair value of fixed-rate time deposits is estimated by discounting future contractual cash flows using discount rates that reflect the current observable market rates offered for time deposits of similar remaining maturities.

The value of off-balance-sheet financial instruments is estimated based on the fee income associated with the commitments, which, in the absence of credit exposure, is considered to approximate their settlement value. The fair value of commitment fees was not material as of December 31, 2024 and 2023.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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+ Details

Benefit Plans	12 Months Ended
Benefit Plans	Dec. 31, 2024
Retirement Benefits [Abstract]
Benefit Plans	Benefit Plans Deferred Compensation Plans We established the Bank of Marin Executive Deferred Compensation Plan, which allows certain key management personnel designated by the Board of Directors of the Bank to defer up to 80% of their salary and 100% of their annual bonus. In addition, we assumed deferred compensation plans for certain members of management and non-employee directors as part of an acquisition in 2021. In 2021, we established a similar Deferred Director Fee Plan, which allows members of the Board of Directors to defer the cash portion of their director compensation. Amounts deferred earn interest equal to the prime rate, as published in the Wall Street Journal, on the first business day of each year, which was 8.5% on January 1, 2024, and 7.5% on January 1, 2023. Benefit payments will generally commence upon separation from service at or after normal retirement age, as elected by the participant. Our deferred compensation obligations under these plans totaled $6.0 million and $6.6 million at December 31, 2024 and 2023, respectively, and are included in interest payable and other liabilities. 401(k) Defined Contribution Plan Our 401(k) Defined Contribution Plan (“401(k) Plan”) is available to all regular employees at least eighteen years of age who complete ninety days of service, and participate in the plan beginning on the first day of the calendar quarter that immediately follows the date the participant meets the age and service requirements. Under the 401(k) Plan, employees can defer between 1% and 50% of their eligible compensation, up to the maximum amount allowed by the Internal Revenue Code. The Bank provides an employer-match of 70% of each participant's contribution, with a maximum of $5 thousand per participant per year. Employer matching contributions to the 401(k) Plan vest at a rate of 20% per year over five years. Employer contributions totaled $875 thousand, $871 thousand and $949 thousand for the years ended December 31, 2024, 2023 and 2022, respectively, and are recorded in salaries and employee benefits expense. Employee Stock Ownership Plan Our Employee Stock Ownership Plan (“ESOP”) is available to all employees under the same eligibility criteria as the 401(k) Plan; however, employee contributions are not permitted. The Board of Directors determines a specific portion of the Bank's profits to be contributed to the ESOP each year either in common stock or in cash for the purchase of Bancorp stock to be allocated to all eligible employees based on a percentage of their salaries, regardless of whether an employee participates in the 401(k) Plan. For all participants, employer contributions vest over a five-year service period. After five years of service, all future employer contributions vest immediately. Bancorp issued shares of common stock and contributed them to the ESOP totaling $1.1 million in 2024, $1.3 million in 2023 and $1.2 million in 2022, based on the quoted market price on the date of contribution. Cash dividends paid on Bancorp stock held by the ESOP are used to purchase additional shares in the open market. All shares of Bancorp stock held by the ESOP are included in the calculations of basic and diluted earnings per share. The Company's contributions to the ESOP are included in salaries and benefits expense. Supplemental Executive Retirement Plans Supplemental executive retirement plans ("SERPs") have been established for a select group of executive management who, upon retirement, will receive 25% of their estimated salary as salary continuation benefit payments that are fixed between five to fifteen years, depending on the executives' service period. Each participant is required to participate in the plan for five years before vesting begins. After five years, the participant vests ratably in the benefit over the remaining service period until age 65. As part of previous acquisitions, we assumed SERPs for certain former executive officers and directors. These plans are unfunded and nonqualified for tax purposes and for purposes of Title I of the Employee Retirement Income Security Act of 1974. At December 31, 2024 and 2023, respectively, our total liability under the SERPs was $4.6 million and $4.5 million recorded in interest payable and other liabilities.

Income Taxes

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Income Taxes

The current and deferred components of the income tax provision for each of the three years ended December 31 are as follows:


(in thousands)	2024		2023		2022
Current tax(benefit) provision
Federal	$	(214)	$	3,234	$	10,670
State	(60)		2,823		6,687
Total current tax (benefit) provision	(274)		6,057		17,357
Deferred tax (benefit) provision
Federal	(3,520)		319		(441)
State	(1,632)		(235)		7
Total deferred tax (benefit) provision	(5,152)		84		(434)
Total income tax (benefit) provision	$	(5,426)	$	6,141	$	16,923

The following table shows the tax effect of our cumulative temporary differences as of December 31:


(in thousands)	2024		2023
Deferred tax assets:
Net unrealized losses on securities available-for-sale	$	12,624	$	22,241
Allowance for credit losses on loans and unfunded loan commitments	9,327		7,775
Operating and finance lease liabilities	6,404		6,860
Deferred compensation and salary continuation plans	3,137		3,289
Net operating loss carryforwards	4,353		1,136
Accrued but unpaid expenses	1,644		1,709
Stock-based compensation	643		632
Interest received on non-accrual loans	639		44
Fair value adjustment on acquired loans	396		695


Depreciation and disposals on premises and equipment	81		179
State franchise tax	—		593
Other	269		30
Total gross deferred tax assets	39,517		45,183
Deferred tax liabilities:
Operating and finance lease right-of-use assets	(5,669)		(6,092)
Deferred loan origination costs and fees	(1,685)		(1,435)
Core deposit intangible assets	(825)		(1,113)


Purchase accounting adjustments	(488)		(1,248)
Other	(245)		(226)
Total gross deferred tax liabilities	(8,912)		(10,114)
Net deferred tax assets	$	30,605	$	35,069

As of December 31, 2024, the Bank had net operating loss carryforwards ("NOLs") for federal income tax purposes of $12.5 million. This NOL is carried forward indefinitely but is limited to 80% of taxable income. In addition, as of December 31, 2024, the Bank had California net operating loss carryforwards of $20.3 million. If not fully utilized, the California NOLs will begin to expire in 2032. Based upon the level of historical taxable income and projections for future taxable income over the periods during which the deferred tax assets are expected to be deductible, management believes it is more likely than not that we will realize the benefit of the remaining deferred tax assets. Accordingly, no valuation allowance has been established as of December 31, 2024 or 2023.

The effective tax rate for 2024, 2023 and 2022 differs from the current federal statutory income tax rate as follows:


	2024		2023		2022
Federal statutory income tax rate	21.0	%	21.0	%	21.0	%
Increase (decrease) due to:
California franchise tax, net of federal tax benefit	9.7	%	7.9	%	8.3	%

Tax exempt interest on municipal securities and loans	4.9	%	(3.1)	%	(1.9)	%
Tax exempt earnings on bank owned life insurance	2.6	%	(1.5)	%	(0.4)	%
Non-deductible acquisition related expenses	—	%	—	%	—	%
Non-deductible executive compensation	—	%	—	%	—	%


Other	1.0	%	(0.7)	%	(0.4)	%
Effective Tax Rate	39.2	%	23.6	%	26.6	%

Bancorp and the Bank have entered into a tax allocation agreement, which provides that income taxes shall be allocated between the parties on a separate entity basis. The intent of this agreement is that each member of the consolidated group will incur no greater tax liability than it would have incurred on a stand-alone basis.

We file a consolidated return in the U.S. federal tax jurisdiction and a combined return in the State of California tax jurisdiction. There were no ongoing federal or state income tax examinations at the time of the issuance of this report. We are no longer subject to examinations by tax authorities for years before 2021 for federal income tax and before 2020 for California. At December 31, 2024 and 2023, there were no unrecognized tax benefits, and neither the Bank nor Bancorp had accruals for interest and penalties related to unrecognized tax benefits.

- Definition

The entire disclosure for income tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12C

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12B

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 270
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477891/740-270-50-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.5.Q1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479360/740-10-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-13

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/740/tableOfContent

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-14

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 21
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-21

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 17
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-17

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 11.C)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479360/740-10-S99-2

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482603/740-30-50-2

+ Details

Commitments and Contingencies

12 Months Ended

Dec. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Leases

We lease premises under long-term non-cancelable operating leases with remaining terms of approximately 6 months to 17 years, 5 months, most of which include escalation clauses and one or more options to extend the lease term, and some of which contain lease termination clauses. Lease terms may include certain renewal options that were considered reasonably certain to be exercised.

We lease certain equipment under finance leases with initial terms of three years to five years. The equipment finance leases do not contain renewal options, bargain purchase options, or residual value guarantees.

The following table shows the balances of operating and finance lease right-of-use assets and lease liabilities as of December 31, 2024 and 2023.


(in thousands)	December 31, 2024		December 31, 2023
Operating leases:
Operating lease right-of-use assets	$	19,025	$	20,316
Operating lease liabilities	21,509		22,906
Finance leases:
Finance lease right-of-use assets	616		608
Accumulated amortization	(467)		(319)
Finance lease right-of-use assets, net1	$	149	$	289
Finance lease liabilities2	$	154	$	298
1 Included in premises and equipment in the consolidated statements of condition.
2 Included in borrowings and other obligations in the consolidated statements of condition.

The following table shows supplemental disclosures of noncash investing and financing activities for the years ended December 31, 2024, 2023 and 2022.


(in thousands)	2024		2023		2022
Right-of-use assets obtained in exchange for operating lease liabilities	$	3,034	$	437	$	6,116
Right-of-use assets obtained in exchange for finance lease liabilities	$	8	$	7	$	151

The following table shows components of operating and finance lease cost for the years ended December 31, 2024, 2023 and 2022.


(in thousands)	2024		2023		2022
Operating lease cost1	$	4,911	$	5,493	$	5,356
Variable lease cost	—		—		—
Total operating lease cost	$	4,911	$	5,493	$	5,356
Finance lease cost:
Amortization of right-of-use assets2	$	148	$	147	$	127
Interest on finance lease liabilities3	5		7		3
Total finance lease cost	$	153	$	154	$	130
Total lease cost	$	5,064	$	5,647	$	5,486
1 Included in occupancy and equipment expense in the consolidated statements of comprehensive income (loss).
2 Included in depreciation and amortization in the consolidated statements of comprehensive income (loss).
3 Included in interest on borrowings and other obligations in the consolidated statements of comprehensive income (loss).

The following table shows the future minimum lease payments, weighted average remaining lease terms, and weighted average discount rates under operating and finance lease arrangements as of December 31, 2024. The discount rates used to calculate the present value of lease liabilities were based on the collateralized FHLB borrowing rates that were commensurate with lease terms and minimum payments on the lease commencement date.


(in thousands)	December 31, 2024
Year	Operating Leases			Finance Leases
2025	$	4,728		$	110
2026	3,626			40
2027	3,332			7
2028	2,910			1
2029	2,251			—
Thereafter	7,606			—
Total minimum lease payments	24,453			158
Amounts representing interest (present value discount)	(2,944)			(4)
Present value of net minimum lease payments (lease liability)	$	21,509		$	154

Weighted average remaining term (in years)	7.6			1.5
Weighted average discount rate	2.85		%	2.70		%

Litigation Matters

Bancorp may be subject to legal actions that arise from time to time in the normal course of business. Bancorp's management is not aware of any pending legal proceedings to which either it or the Bank may be a party or has recently been a party that will have a material adverse effect on the financial condition or results of operations of Bancorp or the Bank.

The Bank is responsible for a proportionate share of certain litigation indemnifications provided to Visa U.S.A. ("Visa") by its member banks in connection with Visa's lawsuits related to anti-trust charges and interchange fees ("Covered Litigation"). We sold our remaining shares on July 13, 2023, however, our proportionate share of the litigation indemnification liability does not change or transfer upon the sale of our Class B Visa shares to member banks or, per the terms of the sale, to the recent purchaser of our shares. Visa established an escrow account for the Covered Litigation that it periodically funds, which is expected to cover the settlement payment obligations.

Litigation is ongoing, and until the court approval process is complete, there is no assurance that Visa will resolve the claims as contemplated by the amended class settlement agreement, and additional lawsuits may arise from individual merchants who opted out of the class settlement. However, until the escrow account is fully depleted and the conversion rate of Class B to Class A common stock is reduced to zero, no future cash settlement payments are required by the member banks, such as us, on the Covered Litigation. Therefore, we are not required to record any contingent liabilities for the indemnification related to the Covered Litigation, as we consider the probability of losses to be remote.

In the third quarter of 2024, the Bank recorded a non-recurring accrual for a legal resolution of a Private Attorneys General Act/putative class action lawsuit of $615 thousand, pre-tax, involving alleged violations of wage and hour laws for all non-exempt employees covering any and all claims that were or could have been alleged in the operative complaint through the financial period of December 11, 2019 to October 12, 2024. The Bank shall pay an "all in" Gross Settlement Amount ("GSA") of $615 thousand to settle all of the wage and hour class and PAGA claims, and the named Plaintiff's individual claims. This amount settles all claims that were or could have been asserted based on the facts alleged in the operative complaint, and the as of yet unasserted individual claims by the named plaintiff, and includes attorneys' fees, costs including the cost of administration, and incentive payments. The only amount over and above the GSA which the Bank shall pay is its share of payroll taxes on the amount of the net settlement that is allocated as wages. There has been no finding of wrongdoing and the Bank denies all claims. The settlement agreement still requires final court approval and notice requirements; however, the Bank does not anticipate further costs related to this action. We are not aware of any other similar wage and hour claims at this time.

Concentrations of Credit Risk	12 Months Ended
Concentrations of Credit Risk	Dec. 31, 2024
Risks and Uncertainties [Abstract]
Concentrations of Credit Risk	Concentrations of Credit Risk Concentration of credit risk is associated with a lack of diversification, such as having substantial investments in a few individual issuers, thereby potentially exposing us to adverse economic, political, regulatory, geographic, industrial or credit developments. Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash and cash equivalents, investment securities and loans. At times, our cash in correspondent bank accounts may exceed FDIC insured limits. We place cash and cash equivalents with the Federal Reserve Bank and other high credit quality financial institutions, periodically monitor their credit worthiness and limit the amount of credit exposure to any one institution according to regulations. Concentrations of credit risk with respect to investment securities primarily related to the U.S. government and GSEs, which accounted for $1.075 billion, or 85% of our total investment portfolio at December 31, 2024 and $1.272 billion, or 86% at December 31, 2023. The decrease was mainly due to the sale of $282.6 million and $72.7 million in paydowns of this security type in 2024. The largest security not issued by the U.S. government or a GSE accounted for approximately 1% of our total investment portfolio at both December 31, 2024 and 2023. We also manage our credit exposure related to our loan portfolio to avoid the risk of undue concentration of credits in a particular industry or geographic location by reducing significant exposure to highly leveraged transactions or to any individual customer or counterparty, and by obtaining collateral, as appropriate. With the heightened market concern about non-owner-occupied commercial real estate, and in particular the office sector, we continue to maintain diversity among property types and within our geographic footprint. In particular, our office commercial real estate portfolio in the City of San Francisco represented 3% of our total loan portfolio and 5% of our total non-owner-occupied commercial real estate portfolio as of December 31, 2024. No single borrower relationship accounted for more than 3.0% of outstanding loan balances at December 31, 2024 and 2023, respectively. The largest loan concentration is real estate, which accounted for 89% and 90% of our loan portfolio at December 31, 2024 and 2023, respectively.

Derivative Financial Instruments and Hedging Activities

12 Months Ended

Dec. 31, 2024

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments and Hedging Activities

The Bank is exposed to certain risks from both its business operations and changes in economic conditions. As part of our asset/liability and interest rate risk management strategy, we may enter into interest rate derivative contracts to modify repricing characteristics of certain of our interest-earning assets and interest-bearing liabilities. The Bank generally designates interest rate hedging agreements utilized in the management of interest rate risk as either fair value hedges or cash flow hedges.

Our credit exposure, if any, on interest rate swap asset positions is limited to the fair value (net of any collateral pledged to us) and interest payments of all swaps by each counterparty. Conversely, when an interest rate swap is in a liability position exceeding a certain threshold, we may be required to post collateral to the counterparty in an amount determined by the agreements. Collateral levels are monitored and adjusted on a regular basis for changes in interest rate swap values.

On July 7, 2023, the Bank entered into various interest rate swap agreements with notional values totaling $101.8 million split evenly between terms of 2.5 and 3.0 years to hedge balance sheet interest rate sensitivity and protect certain of our fixed rate available-for-sale securities against changes in fair value related to changes in the benchmark interest rate. The interest rate swaps involve the receipt of floating rate interest from a counterparty in exchange for us making fixed-rate interest payments over the lives of the agreements, without the exchange of the underlying notional values. The transactions were designated as partial term fair value hedges and structured such that the changes in the fair value of the interest rate swaps are expected to be perfectly effective in offsetting the changes in the fair value of the hedged items attributable to changes in the SOFR OIS swap rate, the designated benchmark interest rate. Because the hedges met the criteria for using the shortcut method, there is no need to periodically reassess effectiveness during the term of the hedges. For fair value designated hedges, the gains or losses on the hedging instruments as well as the offsetting gains or losses on the hedged items, are recognized in current earnings as their fair values change. On November 4, 2024, the Bank terminated these contracts resulting in an adjustment to book value that will be amortized over the life of the hedged securities.

In addition, we had three interest rate swap agreements on certain loans with our customers, which are scheduled to mature at various dates ranging from June 2031 to July 2032. In December 2023, one interest rate swap,

scheduled to mature in October 2037, was terminated as the hedged loan was paid off. The loan interest rate swaps were designated as fair value hedges and allowed us to offer long-term fixed-rate loans to customers without assuming the interest rate risk of a long-term asset. Converting our fixed-rate interest payments to floating-rate interest payments, generally benchmarked to the one-month U.S. dollar SOFR index, protects us against changes in the fair value of our loans associated with fluctuating interest rates. The notional amounts of the interest rate contracts are equal to the notional amounts of the hedged loans.

Information on our derivatives follows:


	Asset derivatives				Liability derivatives
(in thousands)	December 31, 2024		December 31, 2023		December 31, 2024		December 31, 2023
Available-for-sale securities:
Interest rate swaps - notional amount	$	—	$	—	$	—	$	101,770
Interest rate swaps - fair value1	$	—	$	—	$	—	$	1,359
Loans receivable:
Interest rate contracts - notional amount	$	7,654	$	6,441	$	—	$	2,157
Interest rate contracts - fair value1	$	333	$	287	$	—	$	2

1 Refer to Note 9, Fair Value of Assets and Liabilities, for valuation methodology.

The following table presents the carrying amount and associated cumulative basis adjustment related to the application of fair value hedge accounting that is included in the carrying amount of hedged assets as of December 31, 2024 and 2023.


	Carrying Amounts of Hedged Assets				Cumulative Amounts of Fair Value Hedging Adjustments Included in the Carrying Amounts of the Hedged Assets
(in thousands)	December 31, 2024		December 31, 2023		December 31, 2024		December 31, 2023
Available-for-sale securities 1	$	—	$	107,181	$	—	$	(1,359)
Loans receivable 2	$	7,215	$	8,183	$	(398)	$	(367)

1 Carrying value equals the amortized cost basis of the securities underlying the hedge relationship, which is the book value net of the fair value hedge adjustment. Amortized cost excludes accrued interest totaling $222 thousand as of December 31, 2023.

2 Carrying value equals the amortized cost basis of the loans underlying the hedge relationship, which is the loan balance net of deferred loan origination fees and cost and the fair value hedge adjustment. Amortized cost excludes accrued interest, which was not material.

The following table presents the pretax net gains (losses) recognized in interest income related to our fair value hedges for the years presented.


	Years ended December 31,
(in thousands)	2024		2023		2022
Interest on investment securities 1
Increase (decrease) in fair value of interest rate swaps hedging available-for-sale securities	$	1,359	$	(1,359)	$	—
Hedged interest earned (paid)	646		367		—
Decrease (increase) in carrying value included in the hedged available-for-sale securities	(1,359)		1,359		—
Net gain recognized in interest income on investment securities	$	646	$	367	$	—
Interest and fees on loans 1
Increase (decrease) increase in fair value of interest rate swaps hedging loans receivable	$	47	$	(317)	$	1,687
Hedged interest earned (paid)	201		268		(143)
Decrease (increase) in carrying value included in the hedged loans	(30)		359		(1,666)
Decrease in value of yield maintenance agreement	(8)		(9)		(10)
Net gain (loss) recognized in interest income on loans	$	210	$	301	$	(132)

1 Represents the income line item in the statements of comprehensive income (loss) in which the effects of fair value hedges are recorded.

Our derivative transactions with the counterparty are under an International Swaps and Derivative Association (“ISDA”) master agreement that includes “right of set-off” provisions. “Right of set-off” provisions are legally enforceable rights to offset recognized amounts and there may be an intention to settle such amounts on a net basis. We do not offset such financial instruments for financial reporting purposes. Information on financial instruments that are eligible for offset in the consolidated statements of condition follows:



Offsetting of Financial Assets and Derivative Assets
			Gross Amounts		Net Amounts		Gross Amounts Not Offset in the Statements of Condition
	Gross Amounts		Offset in the		of Assets Presented
	of Recognized		Statements of		in the Statements		Financial		Cash Collateral
(in thousands)	Assets 1		Condition		of Condition 1		Instruments		Received		Net Amount
December 31, 2024

Counterparty	$	333	$	—	$	333	$	—	$	—	$	333
Total	$	333	$	—	$	333	$	—	$	—	$	333
December 31, 2023

Counterparty	$	287	$	—	$	287	$	—	$	—	$	287
Total	$	287	$	—	$	287	$	—	$	—	$	287


Offsetting of Financial Liabilities and Derivative Liabilities
	Gross Amounts of Recognized Liabilities 1		Gross Amounts Offset in the Statements of Condition		Net Amounts of Liabilities Presented in the Statements of Condition 1		Gross Amounts Not Offset in the Statements of Condition

							Financial Instruments		Cash Collateral Pledged
(in thousands)											Net Amount
December 31, 2024

Counterparty	$	—	$	—	$	—	$	—	—		$	—
Total	$	—	$	—	$	—	$	—	$	—	$	—
December 31, 2023

Counterparty	$	1,361	$	—	$	1,361	$	(287)	(330)		$	744

Total	$	1,361	$	—	$	1,361	$	(287)	$	(330)	$	744

1 Amounts exclude accrued interest on swaps.

Regulatory Matters

12 Months Ended

Dec. 31, 2024

Regulatory Assets and Liabilities Disclosure [Abstract]

Regulatory Matters

We are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet the minimum capital requirements as set forth in the following tables can trigger certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a material effect on our consolidated financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, we must meet specific capital guidelines that involve quantitative measures of our assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. The capital amounts and the Bank’s prompt corrective action classification are also subject to qualitative judgments by the regulators about components of capital, risk weightings and other factors.

Management reviews capital ratios on a regular basis and produces a five-year capital plan semi-annually to ensure that capital exceeds the prescribed regulatory minimums and is adequate to meet our anticipated future needs. Stress tests are performed on capital ratios and include scenarios such as additional unrealized losses on the investment portfolio, additional deposit growth, loan credit quality deterioration, and potential share repurchases. For all periods presented, the Bank’s ratios exceed the regulatory definition of “well-capitalized” under the regulatory framework for prompt corrective action and Bancorp’s ratios exceed the required minimum ratios to be considered a well-capitalized bank holding company. In addition, the most recent notification from the FDIC categorized the Bank as well capitalized under the regulatory framework for prompt corrective action as of December 31, 2024. There are no conditions or events since that notification that management believes have changed the Bank’s categories and we expect the Bank to remain well capitalized for prompt corrective action purposes.

The Bancorp’s and Bank's capital adequacy ratios as of December 31, 2024 and 2023 are presented in the following tables.


Bancorp Capital Ratios (dollars in thousands)	Actual				Adequately Capitalized Threshold 1				Threshold to be a Well Capitalized Bank Holding Company
December 31, 2024	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total Capital (to risk-weighted assets)	$	420,606	16.54	%	$	266,991	10.50	%	$	254,277	10.00	%
Tier 1 Capital (to risk-weighted assets)	$	389,448	15.32	%	$	216,136	8.50	%	$	203,422	8.00	%
Tier 1 Leverage Capital (to average assets)	$	389,448	10.46	%	$	148,899	4.00	%	$	186,123	5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	389,448	15.32	%	$	177,994	7.00	%	$	165,280	6.50	%
December 31, 2023
Total Capital (to risk-weighted assets)	$	440,842	16.89	%	$	274,002	10.50	%	$	260,954	10.00	%
Tier 1 Capital (to risk-weighted assets)	$	415,224	15.91	%	$	221,811	8.50	%	$	208,763	8.00	%
Tier 1 Leverage Capital (to average assets)	$	415,224	10.46	%	$	158,771	4.00	%	$	198,464	5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	415,224	15.91	%	$	182,668	7.00	%	$	169,620	6.50	%


Bank Capital Ratios (dollars in thousands)	Actual				Adequately Capitalized Threshold 1				Threshold to be Well Capitalized under Prompt Corrective Action Provisions
December 31, 2024	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total Capital (to risk-weighted assets)	$	410,186	16.13	%	$	266,955	10.50	%	$	254,243	10.00	%
Tier 1 Capital (to risk-weighted assets)	$	379,028	14.91	%	$	216,107	8.50	%	$	203,395	8.00	%
Tier 1 Leverage Capital (to average assets)	$	379,028	10.18	%	$	148,887	4.00	%	$	186,108	5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	379,028	14.91	%	$	177,970	7.00	%	$	165,258	6.50	%
December 31, 2023
Total Capital (to risk-weighted assets)	$	433,598	16.62	%	$	273,986	10.50	%	$	260,939	10.00	%
Tier 1 Capital (to risk-weighted assets)	$	407,981	15.64	%	$	221,798	8.50	%	$	208,751	8.00	%
Tier 1 Leverage Capital (to average assets)	$	407,981	10.28	%	$	158,767	4.00	%	$	198,459	5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	407,981	15.64	%	$	182,657	7.00	%	$	169,610	6.50	%

1 Except for Tier 1 Leverage Capital, the adequately capitalized thresholds reflect the regulatory minimum plus a 2.5% capital conservation buffer as required under the Basel III Capital Standards in order to avoid limitations on paying dividends, engaging in share repurchases, and paying discretionary bonuses.

- Definition

The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union.

+ References + Details

Financial Instruments with Off-Balance Sheet Risk

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Financial Instruments with Off-Balance Sheet Risk

We make commitments to extend credit in the normal course of business to meet the financing needs of our customers. These financial instruments include commitments to extend credit in the form of loans or through standby letters of credit. Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Because various commitments will expire without being fully drawn, the total commitment amount does not necessarily represent future cash requirements.

Our credit loss exposure is equal to the contractual amount of the commitment in the event of nonperformance by the borrower. We use the same credit underwriting criteria for all credit exposure. The amount of collateral obtained, if deemed necessary by us, is based on management's credit evaluation of the borrower. Collateral types pledged may include accounts receivable, inventory, other personal property and real property.

The contractual amount of unfunded loan commitments and standby letters of credit not reflected in the consolidated statements of condition are as follows:


(in thousands)	December 31, 2024		December 31, 2023
Commercial lines of credit	$	233,462	$	259,989
Revolving home equity lines	208,372		218,935
Undisbursed construction loans	8,294		13,943
Personal and other lines of credit	7,781		9,136
Standby letters of credit	2,777		3,147
Total unfunded loan commitments and standby letters of credit	$	460,686	$	505,150

As of December 31, 2024, approximately 38% of the commitments expire in 2025, 52% expire between 2026 and 2032 and 10% expire thereafter.

We record an allowance for credit losses on unfunded loan commitments at the balance sheet date based on estimates of the probability that these commitments will be drawn upon according to historical utilization experience of the different types of commitments and expected loss rates determined for pooled funded loans. The allowance for credit losses on unfunded commitments totaled $894 thousand and $1.1 million as of December 31, 2024 and 2023, respectively, which is included in interest payable and other liabilities in the consolidated statements of condition.

We recorded reversals of the provision for credit losses on unfunded commitments totaling $233 thousand, $342 thousand and $318 thousand in 2024, 2023, and 2022, respectively. The reversals in 2024, 2023, and 2022 were due primarily to decreases in total unfunded loan commitments.

Condensed Bank of Marin Bancorp Parent Only Financial Statements

12 Months Ended

Dec. 31, 2024

Condensed Financial Information Disclosure [Abstract]

Condensed Bank of Marin Bancorp Parent Only Financial Statements

Presented below is financial information for Bank of Marin Bancorp, parent holding company only.


CONDENSED UNCONSOLIDATED STATEMENTS OF CONDITION
December 31, 2024 and 2023
(in thousands)	2024		2023
Assets
Cash and due from Bank of Marin	$	10,329	$	7,189
Investment in bank subsidiary	424,987		431,819
Other assets	232		156
Total assets	$	435,548	$	439,164

Liabilities and Stockholders' Equity

Accrued expenses payable	$	141	$	102

Total liabilities	141		102
Stockholders' equity	435,407		439,062
Total liabilities and stockholders' equity	$	435,548	$	439,164


CONDENSED UNCONSOLIDATED STATEMENTS OF INCOME
Years ended December 31, 2024, 2023 and 2022
(in thousands)	2024		2023		2022
Income
Dividends from bank subsidiary	$	25,000	$	20,000	$	16,200

Total income	25,000		20,000		16,200
Expense

Non-interest expense	1,814		1,705		1,793
Total expense	1,814		1,705		1,793
Income before income taxes and equity in undistributed net income of subsidiary	23,186		18,295		14,407
Income tax benefit	434		504		530
Income before equity in undistributed net income of subsidiary	23,620		18,799		14,937
(Loss) earnings of bank subsidiary greater (less) than dividends received from bank subsidiary	(32,029)		1,096		31,649
Net (loss) income	$	(8,409)	$	19,895	$	46,586


CONDENSED UNCONSOLIDATED STATEMENTS OF CASH FLOWS
Years ended December 31, 2024, 2023 and 2022
(in thousands)	2024		2023		2022
Cash Flows from Operating Activities:
Net income	$	(8,409)	$	19,895	$	46,586
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Earnings of bank subsidiary (greater) less than dividends received from bank subsidiary	32,029		(1,096)		(31,649)

Noncash director compensation expense	71		60		36
Net changes in:
Other assets	(76)		99		(12)
Other liabilities	39		(86)		(129)
Net cash provided by operating activities	23,654		18,872		14,832
Cash Flows from Investing Activities:
Capital contribution to bank subsidiary	(38)		(276)		(899)

Net cash used in investing activities	(38)		(276)		(899)
Cash Flows from Financing Activities:

Restricted stock surrendered for tax withholdings upon vesting	(64)		(70)		(40)
Cash dividends paid on common stock	(16,197)		(16,106)		(15,673)
Stock repurchased, including commissions and excise tax	(4,253)		—		(1,250)
Proceeds from stock options exercised and stock issued under employee and director stock purchase plans	38		276		899
Net cash used in financing activities	(20,476)		(15,900)		(16,064)
Net increase (decrease) in cash and cash equivalents	3,140		2,696		(2,131)
Cash and cash equivalents at beginning of year	7,189		4,493		6,624
Cash and cash equivalents at end of year	$	10,329	$	7,189	$	4,493
Supplemental schedule of noncash investing and financing activities:
Stock issued in payment of director fees	$	513	$	398	$	355

Stock issued to ESOP	$	1,149	$	1,315	$	1,233

Pay vs Performance Disclosure - USD ($) $ in Thousands	12 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pay vs Performance Disclosure
Total consolidated income	$ (8,409)	$ 19,895	$ 46,586

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Dec. 31, 2024
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Insider Trading Policies and Procedures	12 Months Ended
Insider Trading Policies and Procedures	Dec. 31, 2024
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted	true

Cybersecurity Risk Management and Strategy Disclosure	12 Months Ended
Cybersecurity Risk Management and Strategy Disclosure	Dec. 31, 2024
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]	The Company recognizes that the security of our banking operations is critical to protecting our customers and maintaining our reputation. The cybersecurity landscape is constantly evolving. To mitigate these risks, the Company deploys a comprehensive and resilient information security program that consists of a layered security model using industry leading hardware, software, and services to protect customers' and the Bank’s data and to ensure the confidentiality, integrity, and availability of our information systems. This information security program is a critical component of our overall enterprise risk management program. The Company leverages the following guidelines and frameworks to continue to refine and maintain the information security program: FFIEC Information Security IT Examination Handbook, FFIEC Business Continuity Planning Handbook, FFIEC Cybersecurity Assessment Tool, Center for Internet Security Critical Security Controls, National Institute of Standards and Technology (NIST) Cybersecurity Framework. Key components of the information security program include: •A risk assessment process that identifies and prioritizes material cybersecurity risks; refines and evaluates the effectiveness of controls to mitigate the risks; and reports results to executive management and the Board of Directors. •A third-party Managed Detection and Response (“MDR”) service, which monitors the security of our network, infrastructure and computer systems 24x7, 365 days a year. •An incident response plan that outlines the steps the Bank will take to respond to a cybersecurity incident, which is tested on a periodic basis. •Annual recurring cybersecurity controls testing program, which includes independent third-party penetration testing, cybersecurity procedures and system testing, and third-party independent network traffic monitoring. •A training and awareness program that educates and tests employees on how to avoid and identify cybersecurity risks. •A Cyber Security Insurance Policy that covers insurance, incident response, incident mitigation, and legal support. The Company engages reputable third-party assessors to conduct various independent risk assessments on a regular basis, including but not limited to maturity assessments and various other tests. Following a defense-in-depth strategy, the Company leverages both in-house resources and third-party service providers to implement and maintain processes and controls to manage the identified risks. Our vendor management program is designed to ensure that our vendors meet our cybersecurity requirements and manage our third-party risks. This includes conducting periodic risk assessments of critical vendors, requiring vendors to implement appropriate cybersecurity controls, and monitoring vendor compliance with our cybersecurity requirements. Security controls are employed on all media where information is stored, the systems that process it, and infrastructure components that facilitate its transmission to ensure the confidentiality, integrity, and availability of Bank’s and customers' information. These controls include, but are not limited to, access control, data encryption, data loss prevention, incident response, security monitoring, third party risk management, and vulnerability management. The Company's cybersecurity risk management program and strategy are regularly reviewed and updated to ensure that they are aligned with the Bank's business objectives and are designed to address evolving cybersecurity threats and satisfy regulatory requirements and industry standards.
Cybersecurity Risk Management Processes Integrated [Flag]	true
Cybersecurity Risk Management Processes Integrated [Text Block]	To mitigate these risks, the Company deploys a comprehensive and resilient information security program that consists of a layered security model using industry leading hardware, software, and services to protect customers' and the Bank’s data and to ensure the confidentiality, integrity, and availability of our information systems. This information security program is a critical component of our overall enterprise risk management program.
Cybersecurity Risk Management Third Party Engaged [Flag]	true
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]	true
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]	false
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]	The Company’s Board of Directors is charged with overseeing the establishment and execution of the Company’s risk management framework and monitoring adherence to related policies required by applicable statutes, regulations and principles of safety and soundness.
Cybersecurity Risk Board of Directors Oversight [Text Block]	The Company’s Board of Directors is charged with overseeing the establishment and execution of the Company’s risk management framework and monitoring adherence to related policies required by applicable statutes, regulations and principles of safety and soundness. Consistent with this responsibility, the Board has primary oversight of cybersecurity risk and cybersecurity risk management and receives reporting from management about material risks from cybersecurity threats. All members of the Board of Directors receive regular updates on cybersecurity risks and incidents from the Information Security Officer (“ISO”) and Chief Information Officer (“CIO”) and annual security awareness training. The Information Security department consists of cybersecurity professionals who assess, identify, and manage cybersecurity risks and are responsible for implementing and maintaining the Company’s cybersecurity risk management program.
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]	The Company’s Board of Directors is charged with overseeing the establishment and execution of the Company’s risk management framework and monitoring adherence to related policies required by applicable statutes, regulations and principles of safety and soundness. Consistent with this responsibility, the Board has primary oversight of cybersecurity risk and cybersecurity risk management and receives reporting from management about material risks from cybersecurity threats.
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]	All members of the Board of Directors receive regular updates on cybersecurity risks and incidents from the Information Security Officer (“ISO”) and Chief Information Officer (“CIO”) and annual security awareness training.
Cybersecurity Risk Role of Management [Text Block]	All members of the Board of Directors receive regular updates on cybersecurity risks and incidents from the Information Security Officer (“ISO”) and Chief Information Officer (“CIO”) and annual security awareness training.
Cybersecurity Risk Management Positions or Committees Responsible [Flag]	true
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]	All members of the Board of Directors receive regular updates on cybersecurity risks and incidents from the Information Security Officer (“ISO”) and Chief Information Officer (“CIO”) and annual security awareness training.
Cybersecurity Risk Management Expertise of Management Responsible [Text Block]	All members of the Board of Directors receive regular updates on cybersecurity risks and incidents from the Information Security Officer (“ISO”) and Chief Information Officer (“CIO”) and annual security awareness training. The Information Security department consists of cybersecurity professionals who assess, identify, and manage cybersecurity risks and are responsible for implementing and maintaining the Company’s cybersecurity risk management program
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]	The Company’s Board of Directors is charged with overseeing the establishment and execution of the Company’s risk management framework and monitoring adherence to related policies required by applicable statutes, regulations and principles of safety and soundness. Consistent with this responsibility, the Board has primary oversight of cybersecurity risk and cybersecurity risk management and receives reporting from management about material risks from cybersecurity threats. All members of the Board of Directors receive regular updates on cybersecurity risks and incidents from the Information Security Officer (“ISO”) and Chief Information Officer (“CIO”) and annual security awareness training. The Information Security department consists of cybersecurity professionals who assess, identify, and manage cybersecurity risks and are responsible for implementing and maintaining the Company’s cybersecurity risk management program.
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]	true

Summary of Significant Accounting Policies (Policies)	12 Months Ended
Summary of Significant Accounting Policies (Policies)	Dec. 31, 2024
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation: The consolidated financial statements include the accounts of Bancorp, a bank holding company, and its wholly-owned bank subsidiary, Bank of Marin, a California state-chartered commercial bank. References to “we,” “our,” “us” mean Bancorp and the Bank that are consolidated for financial reporting purposes. Our accounting and reporting policies conform to U.S. generally accepted accounting principles ("GAAP"), general practice, and regulatory guidance within the banking industry. A summary of our significant policies follows. All material intercompany transactions have been eliminated. We evaluated subsequent events through the date of filing with the Securities and Exchange Commission (“SEC”) and determined there were no subsequent events that required additional recognition or disclosure.
Segment Reporting, Policy	Segment Reporting: Our Chief Operating Decision Maker ("CODM") is our Chief Executive Officer, who reviews our financial information on a consolidated basis for purposes of evaluating financial performance and allocating resources. We have one operating and reportable segment, community banking, and our other operating segment, wealth management services, does not meet the quantitative threshold for separate reporting. Our CODM reviews consolidated net income before provision for income taxes as our primary measure of profitability alongside significant expense information consistent with the expense captions presented in our Consolidated Statements of Comprehensive Income (Loss). These metrics are used by our CODM to monitor actual results and to benchmark to our peers. Segment assets are equal to consolidated total assets in our Consolidated Statements of Condition and all segment non-cash items are equal to those disclosed in our Consolidated Statements of Cashflows. We derive materially all of our income from activities within the United States, and materially all of our long lived assets are physically located within the United States. No single customer or client relationship accounts for ten percent or more of our income.
Accounting Changes and Reclassifications	Accounting Changes and Reclassifications: There have been no items in prior financial statements that have been reclassified to conform to the current presentation.
Use of Estimates	Use of Estimates: The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Significant accounting estimates reflected in the consolidated financial statements include the allowance for credit losses, fair value measurements, and goodwill impairment assessment, as discussed in the Notes herein.
Cash, Cash Equivalents	Cash, Cash Equivalents and Restricted Cash: This includes cash, due from banks, federal funds sold and other short-term investments with maturities of less than three months at the time of purchase.
Restricted Cash	Restricted cash includes balances not immediately available for business operations such as Federal Reserve Bank of San Francisco reserve requirements and cash pledged for interest rate swap contracts and local agency deposits.
Investment Securities and Allowance for Credit Losses on Investment Securities	Investment Securities: Investment securities are classified as "held-to-maturity," "trading securities" or "available-for-sale." Investments classified as held-to-maturity are those that we have the ability and intent to hold until maturity and are reported at cost, adjusted for the amortization or accretion of premiums or discounts. Investments held for resale in anticipation of short-term market movements are classified as trading securities and are reported at fair value, with unrealized gains and losses included in earnings. Investments that are neither held-to-maturity nor trading are classified as available-for-sale and are reported at fair value. Unrealized gains and losses for available-for-sale securities, net of related taxes, are reported as a separate component of comprehensive income (loss) and included in stockholders' equity until realized. For discussion of our methodology in determining fair value, see Note 9, Fair Value of Assets and Liabilities. Purchase premiums and discounts on investment securities are amortized or accreted over the life of the related security as an adjustment to yield using the effective interest method. For certain callable debt securities purchased at a premium, we amortize the premium to the earliest call date. Dividend and interest income are recognized when earned. Realized gains and losses on the sale of securities are included in non-interest income. The specific identification method is used to calculate realized gains and losses on sales of securities. Securities transferred from the available-for-sale category to the held-to-maturity category are recorded at fair value at the date of transfer. Unrealized holding gains or losses on the dates of the transfer of securities from available-for-sale to held-to-maturity are included in the balance of accumulated other comprehensive income (loss), net of tax, in the consolidated balance sheets. These unrealized holding gains or losses on the dates of transfer are amortized over the remaining life of the securities as yield adjustments in a manner consistent with the amortization or accretion of the original purchase premium or discount on the associated security. Non-marketable equity securities include stock held for membership and regulatory purposes, such as Federal Home Loan Bank ("FHLB") stock and other non-marketable equity securities. These securities are accounted for at cost, evaluated for impairment as of each reporting period, and included in interest receivable and other assets on the consolidated statements of condition. During 2023, the Bank sold its remaining investment in Visa Inc. Class B restricted common stock, as discussed in Note 2 - Investment securities. As of December 31, 2024 and 2023 our investment in FHLB stock was carried at cost, as there was no impairment or changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. Both cash and stock dividends from the FHLB are reported as non-interest income. Allowance for Credit Losses on Investment Securities: The allowance for credit losses on held-to-maturity securities is a contra-asset valuation account determined in accordance with ASC 326, which is deducted from the securities' amortized cost basis at the balance sheet date as a result of management's assessment of the net amount expected to be collected. The allowance is measured on a pooled basis for securities with similar risk characteristics using historical credit loss information, adjusted for current conditions and reasonable and supportable forecasts. Securities that are determined to be uncollectible are written off against the allowance. For available-for-sale securities in an unrealized loss position ("impaired security"), we assess whether 1) we intend to sell the security, or, 2) it is more likely than not that we will be required to sell the security before recovery of its amortized cost basis. Under either of these conditions, the security's amortized cost is written down to fair value through a charge to previously recognized allowances or earnings, as applicable. For impaired securities that do not meet these conditions, we assess whether the decline in fair value was due to credit loss or other factors. This assessment considers, among other things: 1) the extent to which the fair value is less than amortized cost, 2) the financial condition and near-term prospects of the issuer, 3) any changes to the rating of the security by a rating agency, and 4) our intent and ability to retain the investment for a period of time sufficient to allow for any anticipated recovery in fair value. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses is recorded for the credit loss component. Any impairment due to non-credit-related factors that has not been recorded through an allowance for credit losses is recognized in other comprehensive income (loss). The discount rate used in determining the present value of the expected cash flows is based on the effective interest rate implicit in the security at the date of purchase. Accrued interest receivable is excluded from the amortized costs and fair values of both held-to-maturity and available-for-sale securities and included in interest receivable and other assets on the consolidated statements of condition. Investment securities are placed on non-accrual status when principal or interest is contractually past due more than ninety days, or management does not expect full payment of principal and interest. We do not record an allowance for credit losses for accrued interest on investment securities, as the amounts are written-off when the investment is placed on non-accrual status. There were no non-accrual investment securities in any of the years presented in the consolidated financial statements.
Originated Loans, Acquired Loans, and Past-Due and Non-Accrual Loan Policy	Originated Loans: Loans are reported at amortized cost, which is the principal amount outstanding net of deferred fees (costs), purchase premiums (discounts) and net charge-offs (recoveries). Amortized cost excludes accrued interest, which is reflected in interest receivable and other assets in the consolidated statements of condition. We do not measure an allowance for credit losses on accrued interest receivable balances because these balances are written off in a timely manner as a reduction to interest income when loans are placed on non-accrual status as discussed below. Interest income is accrued daily using the simple interest method. Fees collected upon loan origination and certain direct costs of originating loans are deferred and recognized over the contractual lives of the related loans as yield adjustments using the interest method or straight-line method, as applicable. Upon prepayment or other disposition of the underlying loans before their contractual maturities, any associated unearned fees or unamortized costs are recognized. Acquired Loans: ASC 326 modified the accounting for purchased loans and requires that an allowance for credit losses be established at the date of acquisition. However, for purchased financial assets with a more-than-insignificant amount of credit deterioration since origination (“PCD assets”) that are measured at amortized cost, the initial allowance for credit losses is added to the purchase price rather than reported as a provision for credit losses. Subsequent changes in the allowance for credit losses on PCD assets are recognized through the provision for credit losses. Past-Due and Non-Accrual Loan Policy: A loan is considered past due when a payment has not been received by the contractual due date. Loans are placed on non-accrual status when management believes that there is substantial doubt as to the collection of principal or interest, generally when they become contractually past due by 90 days or more with respect to principal or interest, except for loans that are well-secured and in the process of collection. When loans are placed on non-accrual status, any accrued but uncollected interest is reversed from current-period interest income and the amortization of deferred loan origination fees and costs is suspended. Interest payments received on nonaccrual loans are either applied against principal or reported as interest income, according to management’s judgment as to the ultimate collectability of principal. We may return non-accrual loans to accrual status when one of the following occurs: •The borrower has resumed paying the full amount of the principal and interest and we are satisfied with the borrower's financial position. In order to meet this test, we must have received repayment of all past due principal and interest, unless the amounts contractually due are reasonably assured of repayment within a reasonable period of time, and there has been a sustained period of repayment performance (generally, six consecutive monthly payments), according to the original or modified contractual terms. •The loan has become well secured and is in the process of collection. Commercial and Industrial Loans: Commercial loans are generally made to established small and mid-sized businesses to provide financing for their growth and working capital needs, equipment purchases and acquisitions. Management examines historical, current, and projected cash flows to determine the ability of the borrower to repay obligations as agreed. Commercial loans are made based primarily on the identified cash flows of the borrower and secondarily on the underlying collateral and guarantor support. The cash flows of borrowers, however, may not occur as expected, and the collateral securing these loans may fluctuate in value. Most commercial and industrial loans are secured by the assets being financed, such as accounts receivable and inventory, and typically include personal guarantees. We target stable businesses with guarantors who provide additional sources of repayment and have proven to be resilient in periods of economic stress. A weakened economy, and the resultant decreased consumer and/or business spending, may have an effect on the credit quality of commercial loans. Commercial Real Estate Loans: Commercial real estate loans, which include income producing investment properties and owner-occupied real estate used for business purposes, are subject to underwriting standards and processes similar to commercial loans discussed above. We underwrite these loans to be repaid from cash flow from either the business or investment property and supported by real property collateral. Underwriting standards for commercial real estate loans include, but are not limited to, debt coverage and loan-to-value ratios. Furthermore, a large majority of our loans are guaranteed by the owners of the properties. Conditions in the real estate markets or a downturn in the general economy may adversely affect our commercial real estate loans. In the event of a vacancy, we expect guarantors to carry the loans until they find a replacement tenant. The owner's substantial equity investment provides a strong economic incentive to continue to support their commercial real estate projects. As such, we have generally experienced a relatively low level of losses and delinquencies in this portfolio. Construction Loans: Construction loans are generally made to developers and builders to finance construction, renovation and occasionally land acquisitions in anticipation of near-term development. Construction loans include interest reserves that are used for the payment of interest during the development and marketing periods and are capitalized as part of the loan balance. When a construction loan is placed on nonaccrual status before the depletion of the interest reserve, we apply the interest funded by the interest reserve against the loan's principal balance. These loans are underwritten after an evaluation of the borrower's financial strength, reputation, prior track record, and independent appraisals. We monitor all construction projects to determine whether they are on schedule, completed as planned and in accordance with the approved construction budgets. Significant events can affect the construction industry, including: the inherent volatility of real estate markets and vulnerability to delays due to weather, change orders, inability to obtain construction permits, labor or material shortages, and price changes. Estimates of construction costs and value associated with the completed project may be inaccurate. Repayment of construction loans is largely dependent on the ultimate success of the project. Consumer Loans: Consumer loans primarily consist of home equity lines of credit, other residential loans, floating homes, and indirect luxury auto loans, along with a small number of installment loans. Our other residential loans include tenancy-in-common fractional interest loans ("TIC") located almost entirely in San Francisco County. We originate consumer loans utilizing credit score information, debt-to-income ratio, and loan-to-value ratio analysis. Diversification among consumer loan types, coupled with relatively small loan amounts that are spread across many individual borrowers, mitigates risk. We do not originate sub-prime residential mortgage loans, nor is it our practice to underwrite loans commonly referred to as "Alt-A mortgages," the characteristics of which are reduced documentation, borrowers with low FICO scores, or collateral with high loan-to-value ratios.
Loan Charge-Off Policy	Loan Charge-Off Policy: For all loan types excluding overdraft accounts, we generally make a charge-off determination at or before 90 days past due. A collateral-dependent loan is partially charged down to the fair value of collateral securing it if: (1) it is deemed uncollectable, or (2) it has been classified as a loss by either our internal loan review process or external examiners. A non-collateral-dependent loan is partially charged down to its net realizable value under the same circumstances. Overdraft accounts are generally charged off when they exceed 60 days past due.
Collateral Dependent Loans	Collateral Dependent Loans: A loan is collateral dependent when the borrower is experiencing financial difficulty and repayment is expected to be provided substantially through the sale or operation of the collateral. For collateral dependent loans, including those for which management determines foreclosure is probable, each loan is individually evaluated and the allowance for credit losses is based on the fair value of the collateral, adjusted for estimated selling costs when repayment is expected from the sale of the collateral, less the loan's amortized cost. In determining the fair value, management considers such information as the appraised value of the collateral, observed and potential future changes in collateral value, and historical loss experience for loans that were secured by similar collateral. Generally, with problem credits that are collateral dependent, we obtain appraisals of the collateral at least annually. We may obtain appraisals more frequently if we believe the collateral value is subject to market volatility, if a specific event has affected the collateral, or if we believe foreclosure is imminent.
Allowance for Credit Losses on Loans ("ACL")	Allowance for Credit Losses on Loans ("ACL"): The ACL is a valuation account that is deducted from the amortized cost basis at the balance sheet date to present the net amount of loans expected to be collected. Amortized cost does not include accrued interest, which management elected to exclude from the estimate of expected credit losses (refer to the Past-Due and Non-Accrual Loan Policy section above). Management estimates the allowance quarterly using relevant available information, from internal and external sources, relating to past events, current conditions, and reasonable and supportable forecasts. Credit loss experience provides the basis for the estimation of expected credit losses. The ACL model utilizes a discounted cash flow ("DCF") method to measure the expected credit losses on loans collectively evaluated that are sub-segmented by loan pools with similar credit risk characteristics, which are generally comprised of federal regulatory reporting codes (i.e., Call codes). Pooled segments include the following: •Loans secured by real estate: - 1-4 family residential construction loans - Other construction loans and all land development and other land loans - Secured by farmland (including residential and other improvements) - Revolving, open-end loans secured by 1-4 family residential properties and extended under lines of credit - Closed-end loans secured by 1-4 family residential properties, secured by first liens - Closed-end loans secured by 1-4 family residential properties, secured by junior liens - Secured by multifamily (5 or more) residential properties - Commercial real estate loans secured by owner-occupied non-farm nonresidential properties - Commercial real estate loans secured by other non-farm nonresidential properties •Loans to finance agricultural production and other loans to farmers •Commercial and industrial loans •Loans to individuals for household, family and other personal expenditures (i.e., consumer loans) •Municipal entities •Non-profit organizations •Other loans (overdraft credit lines) The DCF method incorporates assumptions for probability of default ("PD"), loss given default ("LGD"), and prepayments and curtailments over the contractual terms of the loans. Under the DCF method, the ACL reflects the difference between the amortized cost basis and the present value of the expected cash flows using the loan's effective rate. We elected to report the change in present values from one reporting period to the next due to the passage of time and changes in the estimate of future expected cash flows through the provision for credit losses, rather than though interest income. In determining the PD for each pooled segment, the Bank utilized regression analyses to identify certain economic drivers that were considered highly correlated to historical Bank or peer loan default experience. As a result, management chose the California unemployment rate as the primary economic forecast driver for all segments, except for municipal loans. In addition, the annual percentage change in the California gross domestic product was used in the commercial and industrial loan segment. For municipal loans, the ACL model utilized a constant default rate obtained from a nationally recognized default rate study, which is updated annually. A third party provides LGD estimates for each segment based on a banking industry Frye-Jacobs Risk Index approach. The ACL model incorporates a one-year reasonable and supportable forecast of economic factors, updated quarterly, which is based on Moody's Analytics' Baseline Forecast. For periods beyond the forecast horizon, the economic factors revert to historical averages on a straight-line basis over a one-year period. Expected credit losses are estimated over the contractual term of the loans, adjusted for expected prepayments and curtailments, when appropriate. The pooled loans' contractual loan terms exclude assumptions about extensions, renewals, and modifications. Loans that do not share the same risk characteristics as pooled loans are evaluated individually for credit loss and generally include all non-accrual loans, collateral dependent loans, and certain modified loans and loans graded substandard or worse, as determined by management. Management considers whether adjustments to the quantitative portion of the ACL are needed for differences in segment-specific risk characteristics or to reflect the extent to which it expects current conditions and reasonable and supportable forecasts of economic conditions to differ from the conditions that existed during the historical period included in the development of PD and LGD. Qualitative internal and external risk factors include, but are not limited to, the following: •Changes in the nature and volume of the loan portfolio •Changes in the volume and severity of past due loans, the volume of non-accruals loans, and the volume and severity of adversely classified or graded loans •The existence and effect of individual loan and loan segment concentrations •Changes in lending policies and procedures, including changes in underwriting standards and collection, charge-off, and recovery practices not considered elsewhere •Changes in the experience, ability, and depth of lending management and other relevant staff •Changes in the quality of our systematic loan review processes •Changes in economic and business conditions, and developments that affect the collectability of the portfolio •Changes in the value of underlying collateral, where applicable •The effect of other external factors such as legal and regulatory requirements on the level of estimated credit losses in the portfolio •The effect of acquisitions of other loan portfolios on our infrastructure, including risk associated with entering new geographic areas as a result of such acquisitions •The presence of specialized lending segments in the portfolio There were no material changes to the ACL methodology during 2024. However, assumptions that mainly influenced management's current estimate of the expected credit losses were primarily adjustments to qualitative risk factors from continued uncertainty about inflation and recession risks, the potential impact of rapidly increasing interest rates and other external factors on both our non-owner-occupied commercial real estate and construction portfolios, loan and collateral concentration risks in our construction and commercial real estate portfolios, heightened portfolio management in light of current economic conditions, and continued negative trends in adversely graded loans and/or collateral values for our non-owner occupied commercial real estate office and multi-family real estate portfolios. Other elements of the estimated current expected credit losses included increased allowances for individually analyzed loans exhibiting unique credit risk characteristics and a slight increase in Moody's Analytics' Baseline Forecast of California's unemployment rate, partially offset by the impact of an overall decrease in loans. While we believe we use the best information available to determine the allowance for credit losses, our results of operations could be significantly affected if circumstances differ substantially from the assumptions used in determining the allowance. Our ACL model is sensitive to changes in unemployment rate forecasts and certain other assumptions that could result in material fluctuations in the allowance for credit losses and adversely affect our financial condition and results of operations. Under ASU No. 2022-02 certain loan modifications made to borrowers experiencing financial difficulty are now subject to the Bank's standard ACL process, as outlined above. For further information regarding the allowance for loan losses, see Note 3, Loans and Allowance for Loan Losses. We use a risk rating system to evaluate asset quality, and to identify and monitor credit risk in individual loans, and in the loan portfolio. Our definitions of “Special Mention” risk graded loans, or worse, are consistent with those used by the Federal Deposit Insurance Corporation ("FDIC"). Our internally assigned grades are as follows: Pass and Watch: Loans to borrowers of acceptable or better credit quality. Borrowers in this category demonstrate fundamentally sound financial positions, repayment capacity, credit history, and management expertise. Loans in this category must have an identifiable and stable source of repayment and meet the Bank’s policy regarding debt-service-coverage ratios. These borrowers are capable of sustaining normal economic, market or operational setbacks without significant financial consequences. Negative external industry factors are generally not present. The loan may be secured, unsecured, or supported by non-real estate collateral for which the value is more difficult to determine and/or whose marketability is more uncertain. This category also includes “Watch” loans, where the primary source of repayment has been delayed. The “Watch” risk rating is intended to be a transitional grade, with either an upgrade or downgrade within a reasonable period. Special Mention: Potential weaknesses that deserve close attention. If left uncorrected, those potential weaknesses may result in deterioration of the payment prospects for the asset. Special Mention assets do not present sufficient risk to warrant adverse classification. Substandard: Inadequately protected by either the current sound worth and paying capacity of the obligor or the collateral pledged, if any. A Substandard asset has well-defined weaknesses that jeopardize the liquidation of the debt. Substandard assets are characterized by the distinct possibility that we will sustain some loss if such weaknesses or deficiencies are not corrected. Well-defined weaknesses include adverse trends or developments in the borrower’s financial condition, managerial weaknesses, and/or significant collateral deficiencies. Doubtful: Critical weaknesses that make collection or liquidation in full improbable. There may be specific pending events that work to strengthen the asset; however, the amount or timing of the loss may not be determinable. Pending events generally occur within one year of the asset being classified as Doubtful. Examples include: merger, acquisition, or liquidation; capital injection; guarantee; perfecting liens on additional collateral; and refinancing. Such loans are placed on non-accrual status and are usually collateral-dependent. We regularly review our credits for the accuracy of risk grades whenever we receive new information and at each quarterly and year-end reporting period. Borrowers are generally required to submit financial information at regular intervals. Typically, commercial borrowers with lines of credit are required to submit financial information with reporting intervals ranging from monthly to annually depending on credit size, risk and complexity. In addition, investor commercial real estate borrowers with loans exceeding a certain dollar threshold are usually required to submit rent rolls or property income statements annually. We monitor construction loans monthly. We review home equity and other consumer loans based on delinquency. We also review loans graded “Watch” or worse, regardless of loan type, no less than quarterly.
Allowance for Credit Losses on Unfunded Loan Commitments	Allowance for Credit Losses on Unfunded Loan Commitments: We make commitments to extend credit to meet the financing needs of our customers in the form of loans or standby letters of credit. We are exposed to credit losses over a loan's contractual period in the event that a decline in credit quality of the borrower leads to nonperformance. We record an allowance for losses on unfunded loan commitments at the balance sheet date based on estimates of probability that these commitments will be drawn upon according to historical utilization experience of different types of commitments and expected loss severity and loss rates determined for pooled funded loans. The allowance for credit losses on unfunded commitments is a liability account included in interest payable and other liabilities on the consolidated statements of condition. Adjustments to the allowance for unfunded commitments are included in non-interest expense as a provision for (or reversal of) the allowance for unfunded commitments.
Transfers of Financial Assets	Transfers of Financial Assets: We have entered into certain loan participation agreements with other organizations. We account for these transfers of financial assets as sales when control over the transferred financial assets has been surrendered. Control over transferred assets is deemed to be surrendered when 1) the assets and liabilities have been isolated from us, 2) the transferee has the right to pledge or exchange the assets (or beneficial interests) it received, free of conditions that constrain it from taking advantage of that right, beyond a trivial benefit and 3) we do not maintain effective control over the transferred financial assets or third-party beneficial interests related to those transferred assets. Transfers of a portion of a loan must meet the criteria of a participating interest. If it does not meet the criteria of a participating interest, the transfer must be accounted for as a secured borrowing. In order to meet the criteria for a participating interest, all cash flows from the loan must be divided proportionately, the rights of each loan holder must have the same priority, and the loan holders must have no recourse to the transferor other than standard representations and warranties and no loan holder has the right to pledge or exchange the entire loan.
Premises and Equipment	Premises and Equipment: Land is carried at cost and not depreciated. Bank-owned buildings, leasehold improvements, furniture, fixtures, software and equipment and are stated at cost, less accumulated depreciation, and depreciated/amortized on a straight-line basis. Furniture and fixtures are depreciated over eight years and equipment is generally depreciated over three to twenty years. Bank-owned buildings are depreciated over twenty-five to thirty years. Leasehold improvements are amortized over the lesser of their estimated useful lives or the terms of the leases. When assets are sold or otherwise disposed of, the cost and related accumulated depreciation or amortization are removed from the accounts and any resulting gain or loss is recognized in income for the period. The cost of maintenance and repairs is charged to expense as incurred.
Leases	Leases: We lease certain premises under long-term non-cancelable operating leases, most of which include escalation clauses and one or more options to extend the lease term, and some of which contain lease termination clauses. Only those renewal and termination options that management determines are reasonably certain of exercising are included in the calculation of the lease liability. In addition, we lease certain equipment under finance leases. The equipment finance lease terms do not contain renewal options, bargain purchase options or residual value guarantees. We did not have any significant short-term leases during the reported periods. Lease right-of-use assets represent the right to use the underlying asset while lease liabilities represent the present value of future lease obligations. We elected not to separate non-lease components from lease components and to exclude short-term leases (i.e., lease term of 12 months or less at the commencement date) from right-of-use assets and lease liabilities for all lease classifications. When calculating the lease liability, because most lease contracts do not contain an implicit interest rate, we discount lease payments over a lease's expected term based on the collateralized Federal Home Loan Bank borrowing rate that was commensurate with lease terms and minimum payments at the lease commencement date. Right-of-use assets for operating leases are amortized over the lease term by amounts that represent the difference between periodic straight-line lease expense and periodic interest accretion on the related liability to make lease payments, whereas finance leases are amortized on a straight-line basis over the term of the lease. Expense recognition for operating leases is recorded on a straight-line basis while expense recognition for finance leases represents the sum of periodic amortization of the associated right-of-use asset and the interest accretion on the lease liability. Refer to Note 12, Commitments and Contingencies, for further information.
Business Combinations	Business Combinations: Business combinations are accounted for under the acquisition method of accounting in accordance with ASC 805, Business Combinations. A business is defined as a set of activities and assets that is both self-sustaining and managed to provide a return to investors and generally has three elements: inputs, processes and outputs. Under the acquisition method, the acquiring entity in a business combination recognizes the acquired assets and assumed liabilities at their estimated fair values as of the date of acquisition. Any excess of the purchase price over the fair value of net assets and other identifiable intangible assets acquired is recorded as goodwill. To the extent the fair value of net assets acquired, including other identifiable assets, exceed the purchase price, a bargain purchase gain is recognized. Assets acquired and liabilities assumed from a business combination are recognized at fair value. Results of operations of an acquired business are included in the consolidated statements of operations from the date of acquisition. Business acquisition-related costs, including conversion and restructuring charges, are expensed as incurred. If substantially all of an acquisition is made up of one asset or several similar assets, or without a substantive process that together contributes to the ability to create outputs, the acquisition is accounted for as an asset acquisition and acquisition costs will be capitalized as part of the assets acquired, rather than expensed in a business combinations.
Goodwill and Other Intangible Assets	Goodwill and Other Intangible Assets: Goodwill arises from the acquisition method of accounting for business combinations and represents the excess of the fair value of the consideration transferred, plus the fair value of any noncontrolling interests in the acquiree, over the fair value of the net assets acquired and liabilities assumed as of the acquisition date. Goodwill is deemed to have an indefinite life, is not subject to amortization, and as such is tested for impairment at least annually or more frequently if events and circumstances lead management to believe the value of goodwill may be impaired. Goodwill is the only intangible asset with an indefinite life recorded in the Company’s consolidated statements of financial condition. Impairment testing is performed at the reporting unit level, which management considered to be the Community Banking Segment at December 31, 2024. Management considered the Company to be its sole reportable unit for the year ended December 31, 2024. Management’s assessment of goodwill impairment is performed in accordance with ASC 350-20, Intangibles - Goodwill and Other - Goodwill and encompasses a two-step process to evaluate each reporting unit. First, the Company has the option to perform a qualitative assessment to evaluate relevant events or circumstances to determine whether it is more likely than not the fair value of the Company is less than its carrying amount, including goodwill. The factors considered in the qualitative assessment typically include macroeconomic conditions, industry and market conditions and the overall financial performance of the Company, among other factors. If the Company determines that it is more likely than not the fair value of the Company may be less than its carrying amounts, then it proceeds to the quantitative impairment test, whereby it calculates the fair value of the Company. Under GAAP, in its performance of impairment testing, management has the unconditional option to proceed directly to the quantitative impairment test, bypassing the qualitative assessment. If the carrying amount of the Company exceeds its fair value, the amount by which the carrying amount exceeds fair value, up to the carrying value of goodwill, is recorded through earnings as an impairment charge recorded in non-interest expense. If the results of the qualitative assessment indicate that it is not more likely than not that an impairment has occurred, or if the quantitative impairment test results in a fair value of the Company that is greater than the carrying amount, then no impairment charge is recorded. The Company performs its annual goodwill impairment test as of November 30th each year. The results indicated that goodwill was not impaired as of December 31, 2024, and there were no changes to our assessment through December 31, 2024. In addition, the Company recorded no goodwill impairment for the year ended December 31, 2023 or 2022. Core deposit intangibles ("CDI") arising from the acquisition of other financial institutions are considered to have definite useful lives and are amortized on an accelerated method over their estimated useful life of ten years.We recorded no impairment adjustments for the CDI in 2024, 2023 and 2022.
Other Real Estate Owned ("OREO")	Other Real Estate Owned ("OREO"): OREO is comprised of property acquired through a business combination, foreclosure, in substance repossession or acceptance of deeds-in-lieu of foreclosure when the related loan receivable is de-recognized. OREO is recorded at fair value of the collateral less estimated costs to sell, establishing a new cost basis, and subsequently accounted for at the lower of cost or fair value less estimated costs to sell. Any shortfall of collateral value from the recorded investment of the related loan is recognized as loss at the time of foreclosure and is charged against the allowance for loan losses. Fair value of collateral is generally based on an independent appraisal of the property. Revenues and expenses associated with OREO, and subsequent adjustments to the fair value of the property and to the estimated costs of disposal, are realized and reported as a component of non-interest income and expense when incurred. We recorded a $40 thousand and $345 thousand valuation adjustment to OREO in 2023 and 2022, respectively, and no adjustment in 2024. In July 2023, the Bank completed the sale of its only OREO property.
Bank Owned Life Insurance ("BOLI")	Bank Owned Life Insurance ("BOLI"): The Bank owns life insurance policies on certain key current and former officers. BOLI is recorded in interest receivable and other assets on the consolidated statements of condition at the amount that can be realized under the insurance contract at period-end, which is the cash surrender value adjusted for other charges or amounts due that are probable at settlement.
Investments in Low Income Housing Tax Credit Funds	Investments in Low Income Housing Tax Credit Funds: We have invested in limited partnerships that were formed to develop and operate affordable housing projects for low or moderate-income tenants throughout California. Our ownership percentage in each limited partnership ranges from 1.0% to 3.5%. We account for the investments in qualified affordable housing tax credit funds using the proportional amortization method, where the initial cost of the investment is amortized in proportion to the tax credits and other tax benefits received. Low income housing tax credits and other tax benefits received, net of the amortization of the investment is recognized as part of income tax benefit. Each of the partnerships must meet the regulatory minimum requirements for affordable housing for a minimum 15-year compliance period to fully utilize the tax credits. If the partnerships cease to qualify during the compliance period, the credit may be denied for any period in which the project is not in compliance and a portion of the credit previously taken is subject to recapture with interest. We record an impairment charge if the value of the future tax credits and other tax benefits is less than the carrying value of the investments.
Employee Stock Ownership Plan (“ESOP”)	Employee Stock Ownership Plan (“ESOP”): We recognize compensation cost for ESOP contributions when funds become committed for the purchase of Bancorp's common shares into the ESOP in the year in which the employees render service entitling them to the contribution. If we contribute stock, the compensation cost is the fair value of the shares when they are committed to be released (i.e., when the number of shares becomes known and formally approved). In 2024, 2023 and 2022, Bancorp only made stock contributions to the ESOP.
Income Taxes	Income Taxes: Income taxes reported in the consolidated financial statements are computed based on an asset and liability approach. We recognize the amount of taxes payable or refundable for the current year and we record deferred tax assets and liabilities for future tax consequences attributable to differences between the financial statement carrying amount of existing assets and liabilities and their respective tax bases using enacted tax rates in effect for the year in which the temporary differences are expected to reverse. We record net deferred tax assets to the extent it is more likely than not that they will be realized. In evaluating our ability to recover the deferred tax assets and the need to establish a valuation allowance against the deferred tax assets, management considers all available positive and negative evidence, including scheduled reversals of deferred tax liabilities, projected future taxable income, and tax planning strategies. In projecting future taxable income, management develops assumptions including the amount of future state and federal pretax operating income, the reversal of temporary differences, and the implementation of feasible and prudent tax planning strategies. These assumptions require significant judgment about the forecasts of future taxable income and are consistent with the plans and estimates being used to manage the underlying business. Bancorp files consolidated federal and combined state income tax returns. We recognize the financial statement effect of a tax position when it is more likely than not, based on the technical merits and all available evidence, that the position will be sustained upon examination, including the resolution through protests, appeals or litigation processes. For tax positions that meet the more likely than not threshold, we measure and record the largest amount of tax benefit that is greater than fifty percent likely of being realized upon ultimate settlement with the taxing authority. The remainder of the benefits associated with tax positions taken is recorded as unrecognized tax benefits, along with any related interest and penalties. Interest and penalties related to unrecognized tax benefits are recorded in tax expense. In deciding whether or not our tax positions taken meet the more likely than not recognition threshold, we must make judgments and interpretations about the application of inherently complex state and federal tax laws. To the extent tax authorities disagree with tax positions taken by us, our effective tax rates could be materially affected in the period of settlement with the taxing authorities. Revision of our estimate of accrued income taxes also may result from our own income tax planning, which may affect effective tax rates and results of operations for any reporting period. We present an unrecognized tax benefit as a reduction of a deferred tax asset for a net operating loss ("NOL") carryforward, or similar tax loss or tax credit carryforward, rather than as a liability, when (1) the uncertain tax position would reduce the NOL or other carryforward under the tax law of the applicable jurisdiction and (2) we intend to and are able to use the deferred tax asset for that purpose. Otherwise, the unrecognized tax benefit is presented as a liability instead of being netted with deferred tax assets.
Earnings per share (“EPS”)	Earnings per share (“EPS”): EPS is based upon the weighted average number of common shares outstanding during each year. The following table shows: 1) weighted average basic shares, 2) potentially dilutive weighted average common shares related to stock options and unvested restricted stock awards, and 3) weighted average diluted shares. Basic EPS are calculated by dividing net income by the weighted average number of common shares outstanding during each annual period, excluding unvested restricted stock awards. Diluted EPS are calculated using the weighted average number of potentially dilutive common shares. The number of potentially dilutive common shares included in year-to-date diluted EPS is a year-to-date weighted average of potentially dilutive common shares included in each quarterly diluted EPS computation. In computing diluted EPS, we exclude anti-dilutive shares such as options whose exercise prices exceed the current common stock price, as they would not reduce EPS under the treasury stock method. We have two forms of outstanding common stock: common stock and unvested restricted stock awards. Holders of unvested restricted stock awards receive non-forfeitable dividends at the same rate as common shareholders and they both share equally in undistributed earnings. Under the two-class method, the difference in EPS is nominal for these participating securities.
Share-Based Compensation	Share-Based Compensation: All share-based payments, including stock options and restricted stock, are recognized as stock-based compensation expense in the consolidated statements of comprehensive income (loss) based on the grant-date fair value of the award with a corresponding increase in common stock. The grant-date fair value of the award is amortized on a straight-line basis over the requisite service period, which is generally the vesting period. The stock-based compensation expense excludes stock grants to directors as compensation for their services, which are recognized as director expenses separately based on the grant-date value of the stock. We account for forfeitures as they occur. See Note 8, Stockholders' Equity and Stock Option Plans, for further discussion. We determine the fair value of stock options at the grant date using a Black-Scholes pricing model that takes into account the stock price at the grant date, exercise price, expected life of the option, volatility of the underlying stock, expected dividend yield and risk-free interest rate over the expected life of the option. The expected term of options granted is derived from historical data on employee exercises and post-vesting employment termination behavior. The risk-free rate for periods within the expected life of the option is based on the U.S. Treasury yield curve in effect at the time of the grant. Expected volatility is based on the historical volatility of the common stock over the most recent period that is generally commensurate with the expected life of the options. The Black-Scholes option valuation model requires the input of highly subjective assumptions, including the expected life of the stock-based award and stock price volatility. The assumptions used represent management's best estimates based on historical information, but these estimates involve inherent uncertainties and the application of management's judgment. As a result, if other assumptions had been used, the recorded stock-based compensation expense could have been materially different from that recorded in the consolidated financial statements. The fair value of restricted stock is based on the stock price on the grant date. We record excess tax benefits resulting from the exercise of non-qualified stock options, the disqualifying disposition of incentive stock options and vesting of restricted stock awards as tax benefits in the consolidated statements of comprehensive income (loss) with a corresponding decrease to current taxes payable. In addition, we reflect excess tax benefits as an operating activity in the consolidated statements of cash flows. Cash paid for tax withholdings when shares are surrendered in a cashless stock option exchange is classified as a financing activity in the consolidated statements of cash flows.
Derivative Financial Instruments and Hedging Activities - Fair Value Hedge	Derivative Financial Instruments and Hedging Activities - Fair Value Hedges: All of our interest rate swap contracts are designated and qualified as fair value hedges. The terms of our loan interest rate swap contracts are closely aligned to the terms of the designated fixed-rate loans. The hedging relationships are tested for effectiveness on a quarterly basis using a qualitative approach. The qualitative analysis includes verification that there are no changes to the derivative's or hedged item's key terms and conditions and no adverse developments regarding risk of counterparty default, and validation that we continue to have fair value hedge designation. Our rate swaps on available-for-sale securities were designated as partial term fair value hedges and structured such that the changes in fair value of the interest rate swaps are expected to be perfectly effective in offsetting the changes in the fair value of the hedged items attributable to changes in the swap rate. Because the hedges met the criteria for using the shortcut method, there is no need to periodically reassess effectiveness during the term of the hedges. The interest rate swaps are carried on the consolidated statements of condition at their fair value in other assets (when the fair value is positive) or in other liabilities (when the fair value is negative). For fair value designated hedges, the gain or loss on the hedging instruments, as well as the offsetting loss or gain on the hedged items, are recognized in current earnings as fair values change. For derivative instruments executed with the same counterparty under a master netting arrangement, we do not offset fair value amounts of interest rate swaps in liability positions with the ones in asset positions. From time to time, we make firm commitments to enter into long-term fixed-rate loans with borrowers backed by yield maintenance agreements and simultaneously enter into forward interest rate swap agreements with correspondent banks to mitigate the change in fair value of the yield maintenance agreement. Prior to loan funding, yield maintenance agreements with net settlement features that meet the definition of a derivative are considered as non-designated hedges and are carried on the consolidated statements of condition at their fair value in other assets (when the fair value is positive) or in other liabilities (when the fair value is negative). The offsetting changes in the fair value of the forward swap and the yield maintenance agreement are recorded in interest income. When the fixed-rate loans are originated, the forward swaps are designated to offset the change in fair value in the loans. Subsequent to the point of the swap designations, the fair value of the related yield maintenance agreements at the designation date that was recorded in other assets is amortized using the effective yield method over the life of the respective designated loans. For further detail, refer to Note 14, Derivative Financial Instruments and Hedging Activities.
Revenue Recognition	Revenue Recognition: We utilize the following five-step model for non-financial instrument related revenue that is in scope for ASC 606, Revenue from Contracts with Customers: 1) identify the contract, 2) identify the performance obligations in the contract, 3) determine the transaction price, 4) allocate the transaction price to the performance obligations in the contract, and, 5) recognize revenue when (or as) the entity satisfies the performance obligation. Our main revenue streams in scope for ASC 606 include: •Wealth management and trust services ("WMTS") fees - WMTS services include, but are not limited to: customized investment advisory and management; administrative services such as bill pay and tax reporting; trust administration, estate settlement, custody and fiduciary services. Performance obligations for investment advisory and management services are generally satisfied over time. Revenue is recognized monthly according to a tiered fee schedule based on the client's month-end market value of assets under our management. WMTS does not earn revenue based on performance or incentives. Costs associated with WMTS revenue-generating activities, such as payments to sub-advisors, are recorded separately as part of professional service expenses when incurred. •Deposit account service charges - Service charges on deposit accounts consist of monthly maintenance fees, business account analysis fees, business online banking fees, check order charges, and other deposit account-related fees. Performance obligations for monthly maintenance fees and account analysis fees are satisfied, and the related revenue recognized, when we complete our performance obligation each month. Performance obligations related to transaction-based services (such as check orders) are satisfied, and the related revenue recognized, at a point in time typically when the transaction is completed, except for business accounts subject to analysis where the transaction-based fees are part of the monthly account analysis fees. •Debit card interchange fees - We issue debit cards to our consumer and small business customers that allow them to purchase goods and services from merchants in person, online, or via mobile devices using funds held in their demand deposit accounts held with us. Debit cards issued to our customers are part of global electronic payment networks (such as Visa) who pass a portion of the merchant interchange fees to debit card-issuing member banks like us when our customers make purchases through their networks. Performance obligations for debit card services are satisfied and revenue is recognized daily as the payment networks process transactions. Because we act in an agent capacity, we recognize network costs on a net basis with interchange fees in non-interest income.
Advertising Costs	Advertising Costs: Advertising costs are expensed as incurred.
Comprehensive Income (Loss)	Comprehensive Income (Loss): Comprehensive income (loss) primarily includes net income, changes in the unrealized gains or losses on available-for-sale investment securities, reclassification adjustment for gains or losses on fair value hedges, reclassification adjustment for realized (gains) losses on available-for-sale securities in net income, and amortization of net unrealized gains or losses on securities transferred from available-for-sale to held-to-maturity, net of related taxes, reported on the consolidated statements of comprehensive income (loss) and as components of stockholders' equity.
Fair Value Measurements	Fair Value Measurements: We use fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. We base our fair values on 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 (i.e., exit price notion) reflecting factors such as a liquidity premium. Securities available-for-sale and derivatives are recorded at fair value on a recurring basis. Equity investments that do not have readily determinable fair values are recorded at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. FHLB stock was carried at cost as of December 31, 2024, as there was no impairment or changes resulting from observable price changes in orderly transactions for an identical or similar investment of the same issuer. Additionally, from time to time, we may be required to record certain assets and liabilities at fair value on a non-recurring basis, such as purchased loans and acquired deposits recorded at acquisition date, certain collateral dependent loans, other real estate owned and securities held-to-maturity that are other-than-temporarily impaired. These non-recurring fair value adjustments typically involve write-downs of individual assets due to application of lower-of-cost or market accounting. When we develop our fair value measurement process, we maximize the use of observable inputs. Whenever there is no readily available market data, we use our best estimates and assumptions in determining fair value, but these estimates involve inherent uncertainties and the application of management's judgment. As a result, if other assumptions had been used, our recorded earnings or disclosures could have been materially different from those reflected in these consolidated financial statements.
Other Recently Adopted Accounting Standards and Accounting Standards Not Yet Effective	Other Recently Adopted Accounting Standards In June 2022, the FASB issued Accounting Standards Update ("ASU") No. 2022-03, Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions. The amendment reduces diversity in practice by clarifying that a separate contractual restriction on the sale of an equity security is not considered part of the unit of account of the equity security and, therefore, is not considered in measuring fair value. In addition, this ASU provided amended examples to illustrate that a restriction that is a characteristic of the equity security, which market participants would take into account when pricing them, would be considered in measuring fair value. This ASU also introduced new disclosure requirements. The amendments were effective prospectively for years beginning after December 15, 2023. As discussed in Note 2, Investment Securities, in July 2023 we sold our remaining shares of Visa Inc. Class B restricted common stock. We adopted ASU 2022-03 in the first quarter of 2024, which as a result of the previously mentioned sale had no impact our financial condition, results of operations or disclosures. In March 2023, the FASB issued ASU No. 2023-01, Leases (Topic 842): Common Control Arrangements. For public companies, the amendment requires entities to amortize leasehold improvements associated with common control lease arrangements over the useful life of the improvements to the common control group, as opposed to the shorter of the remaining lease term and the useful life of the improvements for all other operating leases. The amendments were effective for years beginning after December 15, 2023, and may be adopted either prospectively or retrospectively. We adopted ASU 2023-01 on a prospective basis in the first quarter of 2024, which had no impact on our financial condition or results of operations as we did not have common control lease arrangements at the time of adoption and we have not since entered into any such arrangements. In March 2023, the FASB issued ASU No. 2023-02, Investments—Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method. Under current GAAP, an entity can only elect to apply the proportional amortization method to investments in low-income housing tax credit ("LIHTC") structures. The proportional amortization method results in the cost of the investment being amortized in proportion to the income tax credits and other income tax benefits received, with the amortization of the investment and the income tax credits being presented net in the consolidated statements of income as a component of income tax expense (benefit). The amendments will allow entities to elect to account for all other equity investments made primarily for the purpose of receiving income tax credits to using the proportional amortization method, regardless of the tax credit program through which the investment earns income tax credits, when certain conditions are met. The amendments were effective for fiscal years beginning after December 15, 2023, and may be adopted either on a modified retrospective basis or retrospectively. Other than investments in LIHTC funds, as disclosed in Note 2, Investment Securities, we currently have no other equity investments made primarily for the purpose of receiving income tax credits, and therefore the adoption of this ASU had no impact on our financial condition, results of operations, or disclosures. In November 2023, the FASB issued ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. The amendments are intended to improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses, enhanced interim disclosure requirements, clarifying circumstances in which an entity can disclose multiple segment measures of profit or loss, providing new segment disclosure requirements for entities with a single reportable segment, and requiring other disclosures. The amendments were effective for annual reporting periods beginning after December 15, 2023 and interim periods within fiscal years beginning after December 31, 2024, and shall be applied retrospectively to all prior periods presented in the financial statements. We adopted ASU 2023-07 in the fourth quarter of 2024 with this Form 10-K, and the required expanded disclosures have been made above within this Note 1, Summary of Significant Accounting Policies, under the section titled Segment Reporting. Adoption had no impact on our financial condition or results of operations. Accounting Standards Not Yet Effective In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The amendments require disaggregated information about the effective tax rate reconciliation and additional disclosures on reconciling items and taxes paid that meet a quantitative threshold. The amendments are effective for annual reporting periods beginning after December 15, 2024, and may be adopted either prospectively or retrospectively. Early adoption is permitted. We are currently evaluating the impact of the amendments on our financial statement disclosures upon adoption. In November 2024, the FASB issued ASU No. 2024-03 (updated in January 2025 to ASU No. 2025-01), Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. The amendments are intended to improve income statement expense disclosure requirements, primarily through enhanced disclosures about certain costs and expenses included in income statement expense captions. The amendments are effective for annual reporting periods beginning after December 15, 2026 (i.e., 2027 Form 10-K) and interim periods within annual reporting periods beginning after December 15, 2027. Early adoption is permitted. We are currently evaluating the impact of the amendments on our financial statement disclosures upon adoption.

Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Schedule of Segment Revenue, Profit or Loss, Significant Segment Expenses and Other Segment Items


Segment revenue, profit or loss, significant segment expenses and other segment items	December 31, 2024		December 31, 2023		December 31, 2022
(in thousands)
Community banking segment:
Interest income	$	141,273	$	139,494	$	130,041
Non-interest income	(23,780)		2,844		8,678

Reconciliation of income
All other income1	2,420		2,145		2,227
Total consolidated income	119,913		144,483		140,946

Less:2
Total interest expense	46,613		36,733		2,549
Provision for (reversal of) credit losses on loans	5,550		2,575		(63)
Reversal of credit losses on unfunded loan commitments	(233)		(342)		(318)
Non-interest expense
Salaries and employee benefits	43,794		42,671		41,235
Occupancy and equipment	8,240		8,304		7,819
Professional services	4,562		3,086		2,688
Data processing	4,032		3,879		4,480
Deposit network fees	3,526		2,783		258
Federal Deposit Insurance Corporation insurance	1,863		1,878		1,179
Information technology	1,686		1,569		2,197
Depreciation and amortization	1,465		2,097		1,839
Directors' expense	1,213		1,212		1,107
Amortization of core deposit intangible	975		1,350		1,489
Charitable contributions	677		717		709
Other real estate owned	—		48		359
Other expense	8,068		8,357		8,255
Segment (loss) income	(12,118)		27,566		65,164

Reconciliation of segment (loss) income
All other loss1	(1,717)		(1,530)		(1,655)

Loss before income taxes	$	(13,835)	$	26,036	$	63,509
1Other income and loss from segment below the quantitative thresholds are attributable to one operating segment of the Bank, the Wealth Management and Trust Services, which does not meet the quantitative thresholds for presenting reportable segments. Expenses of Wealth Management and Trust Services are comprised of salary and employee benefits, professional services, data processing, occupancy and equipment and other expenses totaling $1.7 million.
2The significant expense categories and amounts align with the segment-level information that is regularly provided to the chief operating decision maker.

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

At December 31, 2024, the future estimated amortization expense for the CDI arising from our past acquisitions was as follows:


(in thousands)	2025		2026		2027		2028		2029		Thereafter		Total
Core deposit intangible amortization	$	875	$	773	$	634	$	242	$	165	$	103	$	2,792

Schedule of Earnings Per Share Reconciliation

The following table shows: 1) weighted average basic shares, 2) potentially dilutive weighted average common shares related to stock options and unvested restricted stock awards, and 3) weighted average diluted shares. Basic EPS are calculated by dividing net income by the weighted average number of common shares outstanding during each annual period, excluding unvested restricted stock awards. Diluted EPS are calculated using the weighted average number of potentially dilutive common shares. The number of potentially dilutive common shares included in year-to-date diluted EPS is a year-to-date weighted average of potentially dilutive common shares included in each quarterly diluted EPS computation. In computing diluted EPS, we exclude anti-dilutive shares such as options whose exercise prices exceed the current common stock price, as they would not reduce EPS under the treasury stock method. We have two forms of outstanding common stock: common stock and unvested restricted stock awards. Holders of unvested restricted stock awards receive non-forfeitable dividends at the same rate as common shareholders and they both share equally in undistributed earnings. Under the two-class method, the difference in EPS is nominal for these participating securities.


(in thousands, except per share data)	2024		2023		2022
Weighted average basic common shares outstanding	16,042		16,012		15,921
Potentially dilutive common shares related to:
Stock options	—		3		31
Unvested restricted stock awards	—		11		17
Weighted average diluted common shares outstanding	16,042		16,026		15,969
Net income	$	(8,409)	$	19,895	$	46,586
Basic EPS	$	(0.52)	$	1.24	$	2.93
Diluted EPS	$	(0.52)	$	1.24	$	2.92
Weighted average anti-dilutive common shares not included in the calculation of diluted EPS	368		364		211

Investment Securities (Tables)

12 Months Ended

Dec. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Held-to-Maturity Investments

A summary of the amortized cost, fair value and allowance for credit losses related to securities held-to-maturity as of December 31, 2024 and December 31, 2023 is presented below.


Held-to-maturity:	Amortized Cost 1		Allowance for Credit Losses		Net Carrying Amount		Gross Unrealized				Fair Value
(in thousands)							Gains		(Losses)
December 31, 2024
Securities of U.S. government-sponsored enterprises:
CMBS issued by FHLMC, FNMA and GNMA	$	242,559	$	—	$	242,559	$	—	$	(34,449)	$	208,110
CMOs issued by FHLMC, FNMA and GNMA	209,748		—		209,748		—		(18,492)		191,256
MBS pass-through securities issued by FHLMC, FNMA and GNMA	192,388		—		192,388		—		(30,942)		161,446
SBA-backed securities	1,513		—		1,513		—		(61)		1,452

Debentures of government-sponsored agencies	141,431		—		141,431		—		(22,694)		118,737
Obligations of state and political subdivisions	61,560		—		61,560		—		(8,341)		53,219
Corporate bonds	30,000		—		30,000		—		(685)		29,315
Total held-to-maturity	$	879,199	$	—	$	879,199	$	—	$	(115,664)	$	763,535
December 31, 2023

Securities of U.S. government-sponsored enterprises:
CMBS issued by FHLMC, FNMA and GNMA	$	247,441	$	—	$	247,441	$	—	$	(35,071)	$	212,370
CMOs issued by FHLMC, FNMA and GNMA	228,761		—		228,761		28		(16,882)		211,907
MBS pass-through securities issued by FHLMC, FNMA and GNMA	208,983		—		208,983		—		(27,326)		181,657
SBA-backed securities	1,853		—		1,853		—		(90)		1,763
Debentures of government-sponsored agencies	146,126		—		146,126		—		(21,994)		124,132
Obligations of state and political subdivisions	62,034		—		62,034		47		(7,884)		54,197
Corporate bonds	30,000		—		30,000		—		(1,196)		28,804
Total held-to-maturity	$	925,198	$	—	$	925,198	$	75	$	(110,443)	$	814,830
1 Amortized cost and fair values exclude accrued interest receivable of $3.4 million and $3.6 million at December 31, 2024 and 2023, respectively, which is included in interest receivable and other assets in the consolidated statements of condition.

Schedule of Bond Ratings for Held-to-Maturity Securities

The following table summarizes the amortized cost of our portfolio of held-to-maturity securities issued by states and political subdivisions and corporate bonds by Moody's and/or Standard & Poor's bond ratings as of December 31, 2024 and 2023.


	Obligations of state and political subdivisions				Corporate bonds
(in thousands)	December 31, 2024		December 31, 2023		December 31, 2024		December 31, 2023
Aaa / AAA	$	42,161	$	42,577	$	—	$	—
Aa1 / AA+	19,399		19,457		—		—
A2 / A	—		—		30,000		30,000
Total	$	61,560	$	62,034	$	30,000	$	30,000

Schedule of Available-for-Sale Investments

A summary of the amortized cost, fair value and allowance for credit losses related to securities available-for-sale as of December 31, 2024 and 2023 is presented below.


Available-for-sale:	Amortized Cost 1		Gross Unrealized				Allowance for Credit Losses		Fair Value
(in thousands)			Gains		(Losses)
December 31, 2024
Securities of U.S. government-sponsored enterprises:
CMBS issued by FHLMC, FNMA and GNMA	$	222,862	$	154	$	(4,977)	$	—	$	218,039
CMOs issued by FHLMC, FNMA and GNMA	42,432		28		(6,321)		—		36,139
MBS pass-through securities issued by FHLMC, FNMA and GNMA	30,498		2		(4,840)		—		25,660
SBA-backed securities	331		—		(23)		—		308
Debentures of government- sponsored agencies	8,971		—		(1,761)		—		7,210
U.S. Treasury securities	12,020		—		(1,205)		—		10,815

Obligations of state and political subdivisions	96,178		—		(12,464)		—		83,714
Corporate bonds	6,000		—		(351)		—		5,649

Total available-for-sale	$	419,292	$	184	$	(31,942)	$	—	$	387,534
December 31, 2023
Securities of U.S. government-sponsored enterprises:
CMBS issued by FHLMC, FNMA and GNMA	$	160,968	$	—	$	(13,279)	$	—	$	147,689
CMOs issued by FHLMC, FNMA and GNMA	153,689		—		(17,420)		—		136,269
MBS pass-through securities issued by FHLMC, FNMA and GNMA	77,680		2		(9,168)		—		68,514
SBA-backed securities	21,126		—		(1,655)		—		19,471
Debentures of government- sponsored agencies	73,899		—		(7,037)		—		66,862

U.S. Treasury securities	11,923		—		(1,300)		—		10,623
Obligations of state and political subdivisions	102,202		1		(10,321)		—		91,882
Corporate bonds	11,992		—		(1,274)		—		10,718

Total available-for-sale	$	613,479	$	3	$	(61,454)	$	—	$	552,028
1 Amortized cost and fair value exclude accrued interest receivable of $1.7 million and $2.3 million at December 31, 2024 and 2023, respectively, which is included in interest receivable and other assets in the consolidated statements of condition.

Schedule of Investments Classified by Contractual Maturity Date

The amortized cost and fair value of investment debt securities by contractual maturity at December 31, 2024 and 2023 are shown below. Expected maturities may differ from contractual maturities if the issuers of the securities have the right to call or prepay obligations with or without call or prepayment penalties.


	December 31, 2024								December 31, 2023
	Held-to-Maturity				Available-for-Sale				Held-to-Maturity				Available-for-Sale
(in thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within one year	$	36,476	$	36,380	$	99,431	$	99,258	$	—	$	—	$	101	$	100
After one but within five years	118,590		110,857		106,986		103,058		87,887		84,541		226,669		208,444
After five years through ten years	229,040		191,328		75,429		67,940		304,976		261,654		95,552		85,447
After ten years	495,093		424,970		137,446		117,278		532,335		468,635		291,157		258,037
Total	$	879,199	$	763,535	$	419,292	$	387,534	$	925,198	$	814,830	$	613,479	$	552,028

Schedule of Sale of Investment Securities and Gross Gains and Losses

Sales of investment securities and gross gains and losses for the years ended December 31, 2024, 2023 and 2022 are shown in the following table.


(in thousands)	2024		2023		2022
Available-for-sale:
Sales proceeds	$	292,621	$	205,795	$	10,664
Gross realized gains	$	—	$	5	$	17
Gross realized losses	$	(32,541)	$	(8,705)	$	(80)




Sale of equity securities: 1
Sales proceeds	$	—	$	2,807	$	—
Gross realized gain	$	—	$	2,807	$	—

1 Refer to VISA Inc. Class B Common Stock section below for more information.

Schedule of Financial Instruments Owned and Pledged as Collateral

The reported values of pledged investment securities are shown in the following table (which includes both encumbered and unencumbered securities).


(in thousands)	December 31, 2024		December 31, 2023
Pledged to the State of California:
Secure public deposits in compliance with the Local Agency Security Program	$	288,385	$	287,436
Collateral for trust deposits	1,284		666
Collateral for Wealth Management and Trust Services checking account	895		562
Total investment securities pledged to the State of California	290,564		288,664
Bankruptcy trustee deposits pledged with Federal Reserve Bank	651		1,151
Pledged to FHLB Securities-Backed Credit Program	284,148		383,484
Pledged to the Federal Reserve Discount Window	365,759		—
Pledged to the Federal Reserve "BTFP"	—		265,660
Total pledged investment securities	$	941,122	$	938,959

Schedule of Unrealized Loss on Investments

Those securities are summarized and classified according to the duration of the loss period in the tables below.


December 31, 2024	< 12 continuous months				≥ 12 continuous months				Total securities in a loss position
(in thousands)	Fair value		Unrealized loss		Fair value		Unrealized loss		Fair value		Unrealized loss
Held-to-maturity:
CMBS issued by FHLMC, FNMA and GNMA	$	—	$	—	$	208,110	$	(34,449)	$	208,110	$	(34,449)
CMOs issued by FHLMC, FNMA and GNMA	18,451		(1,623)		172,805		(16,869)		191,256		(18,492)
MBS pass-through securities issued by FHLMC, FNMA and GNMA	3,487		(150)		157,959		(30,792)		161,446		(30,942)
SBA-backed securities	—		—		1,452		(61)		1,452		(61)
Debentures of government-sponsored agencies	—		—		118,737		(22,694)		118,737		(22,694)
Obligations of state and political subdivisions	5,558		(44)		47,661		(8,297)		53,219		(8,341)
Corporate bonds	—		—		29,315		(685)		29,315		(685)
Total held-to-maturity	$	27,496	$	(1,817)	$	736,039	$	(113,847)	$	763,535	$	(115,664)
Available-for-sale:
CMBS issued by FHLMC, FNMA and GNMA	$	129,402	$	(343)	$	58,065	$	(4,634)	$	187,467	$	(4,977)
CMOs issued by FHLMC, FNMA and GNMA	—		—		33,749		(6,321)		33,749		(6,321)
MBS pass-through securities issued by FHLMC, FNMA and GNMA	7		—		25,495		(4,840)		25,502		(4,840)
SBA-backed securities	—		—		309		(23)		309		(23)
Debentures of government-sponsored agencies	—		—		7,210		(1,761)		7,210		(1,761)
U.S. Treasury securities	—		—		10,815		(1,205)		10,815		(1,205)
Obligations of state and political subdivisions	—		—		83,714		(12,464)		83,714		(12,464)
Corporate bonds	—		—		5,649		(351)		5,649		(351)


Total available-for-sale	$	129,409	$	(343)	$	225,006	$	(31,599)	$	354,415	$	(31,942)
Total securities at a loss position	$	156,905	$	(2,160)	$	961,045	$	(145,446)	$	1,117,950	$	(147,606)


December 31, 2023	< 12 continuous months				> 12 continuous months				Total securities in a loss position
(in thousands)	Fair value		Unrealized loss		Fair value		Unrealized loss		Fair value		Unrealized loss
Held-to-maturity:
CMBS issued by FHLMC, FNMA and GNMA	$	10,988	$	(244)	$	201,383	$	(34,826)	$	212,371	$	(35,070)
CMOs issued by FHLMC, FNMA and GNMA	51,136		(432)		156,515		(16,451)		207,651		(16,883)
MBS pass-through securities issued by FHLMC, FNMA and GNMA	—		—		181,656		(27,326)		181,656		(27,326)
SBA-backed securities	—		—		1,763		(90)		1,763		(90)
Debentures of government-sponsored agencies	—		—		124,132		(21,994)		124,132		(21,994)
Obligations of state and political subdivisions	—		—		44,437		(7,884)		44,437		(7,884)
Corporate bonds	—		—		28,804		(1,196)		28,804		(1,196)
Total held-to-maturity	$	62,124	$	(676)	$	738,690	$	(109,767)	$	800,814	$	(110,443)
Available-for-sale:
CMBS issued by FHLMC, FNMA and GNMA	$	1,235	$	(7)	$	146,454	$	(13,272)	$	147,689	$	(13,279)
CMOs issued by FHLMC, FNMA and GNMA	—		—		136,269		(17,420)		136,269		(17,420)
MBS pass-through securities issued by FHLMC, FNMA and GNMA	—		—		68,237		(9,168)		68,237		(9,168)
SBA-backed securities	—		—		19,471		(1,655)		19,471		(1,655)
Debentures of government- sponsored agencies	—		—		66,862		(7,037)		66,862		(7,037)
U.S. Treasury securities	—		—		10,623		(1,300)		10,623		(1,300)
Obligations of state and political subdivisions	666		(1)		90,655		(10,320)		91,321		(10,321)
Corporate bonds	—		—		10,718		(1,274)		10,718		(1,274)
Asset-backed securities	—		—		—		—		—		—
Total available-for-sale	$	1,901	$	(8)	$	549,289	$	(61,446)	$	551,190	$	(61,454)
Total	$	64,025	$	(684)	$	1,287,979	$	(171,213)	$	1,352,004	$	(171,897)

- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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+ Details

- Definition

Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
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+ Details

Loans and Allowance for Credit Losses on Loans (Tables)

12 Months Ended

Dec. 31, 2024

Receivables [Abstract]

Schedule of Loans by Class

The following table presents the amortized cost of loans by portfolio class as of December 31, 2024 and 2023.


	December 31,
(in thousands)	2024		2023
Commercial and industrial	$	152,263	$	153,750
Real estate:
Commercial owner-occupied	321,962		333,181
Commercial non-owner occupied	1,273,596		1,219,385
Construction	36,970		99,164
Home equity	88,325		82,087
Other residential	143,207		118,508
Installment and other consumer loans	66,933		67,645
Total loans, at amortized cost 1	2,083,256		2,073,720
Allowance for credit losses on loans	(30,656)		(25,172)
Total loans, net of allowance for credit losses on loans	$	2,052,600	$	2,048,548

1 Amortized cost includes net deferred loan origination costs of $2.5 million and $2.7 million at December 31, 2024 and 2023, respectively. Amounts are also net of unrecognized purchase discounts of $1.1 million and $2.0 million at December 31, 2024 and 2023, respectively. Amortized cost excludes accrued interest, which totaled $6.8 million and $6.6 million at December 31, 2024 and 2023, respectively, and is included in interest receivable and other assets in the consolidated statements of condition.

Schedule of Financing Receivable Credit Quality Indicators

The following tables present the loan portfolio by loan portfolio class, origination/renewal year and internal risk rating as of December 31, 2024 and 2023. The current year vintage table reflects gross charge-offs by portfolio class and year of origination. Generally, existing term loans that were re-underwritten are reflected in the table in the year of renewal. Lines of credit that have a conversion feature at the time of origination, such as construction to perm loans, are presented by year of origination.


(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
December 31, 2024	2024		2023		2022		2021		2020		Prior				Total
Commercial and industrial:
Pass and Watch	$	9,951	$	20,282	$	7,742	$	1,371	$	2,650	$	27,487	$	71,212	$	140,695
Special Mention	598		—		—		—		5		221		7,286		8,110
Substandard	—		—		2,793		—		—		—		665		3,458
Total commercial and industrial	$	10,549	$	20,282	$	10,535	$	1,371	$	2,655	$	27,708	$	79,163	$	152,263
Gross current period charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	(41)	$	(41)
Commercial real estate, owner-occupied:
Pass and Watch	$	14,638	$	13,386	$	43,381	$	44,536	$	41,160	$	130,197	$	169	$	287,467
Special Mention	—		378		—		18,870		804		9,499		—		29,551
Substandard	—		—		2,110		—		—		2,834		—		4,944

Total commercial real estate, owner-occupied	$	14,638	$	13,764	$	45,491	$	63,406	$	41,964	$	142,530	$	169	$	321,962

Commercial real estate, non-owner occupied:
Pass and Watch	$	119,053	$	64,906	$	162,804	$	196,661	$	179,060	$	442,574	$	9,178	$	1,174,236
Special Mention	18,343		—		2,736		2,097		729		39,888		—		63,793
Substandard	—		497		—		2,127		—		32,943		—		35,567
Total commercial real estate, non-owner occupied	$	137,396	$	65,403	$	165,540	$	200,885	$	179,789	$	515,405	$	9,178	$	1,273,596



Construction:
Pass and Watch	$	18,128	$	—	$	11,380	$	—	$	—	$	—	$	—	$	29,508
Special Mention	7,462		—		—		—		—		—		—		7,462

Total construction	$	25,590	$	—	$	11,380	$	—	$	—	$	—	$	—	$	36,970
Home equity:
Pass and Watch	$	94	$	13	$	—	$	—	$	—	$	968	$	86,337	$	87,412

Substandard	—		—		—		—		—		174		739		913
Total home equity	$	94	$	13	$	—	$	—	$	—	$	1,142	$	87,076	$	88,325
Other residential:
Pass and Watch	$	35,390	$	17,267	$	19,682	$	12,989	$	24,378	$	33,501	$	—	$	143,207


Total other residential	$	35,390	$	17,267	$	19,682	$	12,989	$	24,378	$	33,501	$	—	$	143,207
Installment and other consumer:
Pass and Watch	$	17,525	$	15,429	$	10,841	$	7,798	$	2,788	$	10,901	$	1,429	$	66,711

Substandard	—		—		—		207		—		15		—		222
Total installment and other consumer	$	17,525	$	15,429	$	10,841	$	8,005	$	2,788	$	10,916	$	1,429	$	66,933
Gross current period charge-offs	$	—	$	(14)	$	—	$	(39)	$	—	$	(1)	$	(4)	$	(58)
Total loans:
Pass and Watch	$	214,779	$	131,283	$	255,830	$	263,355	$	250,036	$	645,628	$	168,325	$	1,929,236
Total Special Mention	$	26,403	$	378	$	2,736	$	20,967	$	1,538	$	49,608	$	7,286	$	108,916
Total Substandard	$	—	$	497	$	4,903	$	2,334	$	—	$	35,966	$	1,404	$	45,104

Totals	$	241,182	$	132,158	$	263,469	$	286,656	$	251,574	$	731,202	$	177,015	$	2,083,256
Total gross current period charge-offs	$	—	$	(14)	$	—	$	(39)	$	—	$	(1)	$	(45)	$	(99)


(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
December 31, 2023	2023		2022		2021		2020		2019		Prior				Total
Commercial and industrial:
Pass and Watch	$	25,615	$	9,187	$	2,970	$	3,718	$	15,128	$	21,004	$	62,486	$	140,108
Special Mention	—		—		—		—		334		—		9,300		9,634
Substandard	—		—		—		—		1,311		2,697		—		4,008
Total commercial and industrial	$	25,615	$	9,187	$	2,970	$	3,718	$	16,773	$	23,701	$	71,786	$	153,750
Commercial real estate, owner-occupied:
Pass and Watch	$	13,128	$	41,808	$	49,887	$	37,708	$	40,994	$	114,018	$	56	$	297,599
Special Mention	1,431		4,498		15,636		820		286		8,902		—		31,573
Substandard	—		2,231		—		—		—		1,778		—		4,009

Total commercial real estate, owner-occupied	$	14,559	$	48,537	$	65,523	$	38,528	$	41,280	$	124,698	$	56	$	333,181
Commercial real estate, non-owner occupied:
Pass and Watch	$	76,718	$	172,028	$	196,340	$	150,831	$	139,860	$	368,675	$	9,832	$	1,114,284
Special Mention	—		2,790		9,498		11,776		15,708		41,602		—		81,374
Substandard	878		272		2,204		—		—		20,373		—		23,727
Total commercial real estate, non-owner occupied	$	77,596	$	175,090	$	208,042	$	162,607	$	155,568	$	430,650	$	9,832	$	1,219,385
Construction:
Pass and Watch	$	13,138	$	24,403	$	19,521	$	29,512	$	—	$	—	$	—	$	86,574
Special Mention	12,590		—		—		—		—		—		—		12,590

Total construction	$	25,728	$	24,403	$	19,521	$	29,512	$	—	$	—	$	—	$	99,164
Home equity:
Pass and Watch	$	—	$	—	$	—	$	—	$	—	$	734	$	80,773	$	81,507

Substandard	—		—		—		—		—		369		211		580
Total home equity	$	—	$	—	$	—	$	—	$	—	$	1,103	$	80,984	$	82,087
Other residential:
Pass and Watch	$	17,861	$	20,114	$	13,390	$	25,637	$	20,935	$	20,571	$	—	$	118,508


Total other residential	$	17,861	$	20,114	$	13,390	$	25,637	$	20,935	$	20,571	$	—	$	118,508
Installment and other consumer:
Pass and Watch	$	22,038	$	14,528	$	10,632	$	4,687	$	5,300	$	9,399	$	1,061	$	67,645


Total installment and other consumer	$	22,038	$	14,528	$	10,632	$	4,687	$	5,300	$	9,399	$	1,061	$	67,645
Total loans:
Pass and Watch	$	168,498	$	282,068	$	292,740	$	252,093	$	222,217	$	534,401	$	154,208	$	1,906,225
Total Special Mention	$	14,021	$	7,288	$	25,134	$	12,596	$	16,328	$	50,504	$	9,300	$	135,171
Total Substandard	$	878	$	2,503	$	2,204	$	—	$	1,311	$	25,217	$	211	$	32,324

Totals	$	183,397	$	291,859	$	320,078	$	264,689	$	239,856	$	610,122	$	163,719	$	2,073,720

Schedule of Past Due Financing Receivables

The following table shows the amortized cost of loans by portfolio class, payment aging and non-accrual status as of December 31, 2024 and 2023.


Loan Aging Analysis by Portfolio Class
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, non-owner occupied		Construction		Home equity		Other residential		Installment and other consumer		Total
December 31, 2024
30-59 days past due	$	203	$	208	$	718	$	—	$	738	$	—	$	415	$	2,282
60-89 days past due	—		559		—		—		186		—		7		752
90 days or more past due 1	2,793		113		10,742		—		248		—		8		13,904
Total past due	2,996		880		11,460		—		1,172		—		430		16,938
Current	149,267		321,082		1,262,136		36,970		87,153		143,207		66,503		2,066,318
Total loans 1	$	152,263	$	321,962	$	1,273,596	$	36,970	$	88,325	$	143,207	$	66,933	$	2,083,256
Non-accrual loans 2	$	2,845	$	1,537	$	28,525	$	—	$	752	$	—	$	222	$	33,881
Non-accrual loans with no allowance	$	—	$	1,537	$	497	$	—	$	752	$	—	$	207	$	2,993
December 31, 2023
30-59 days past due	$	2,991	$	618	$	—	$	—	$	43	$	83	$	195	$	3,930
60-89 days past due	69		—		2,204		—		—		—		1		2,274
90 days or more past due 1	1,311		149		—		—		—		—		—		1,460
Total past due	4,371		767		2,204		—		43		83		196		7,664
Current	149,379		332,414		1,217,181		99,164		82,044		118,425		67,449		2,066,056
Total loans 1	$	153,750	$	333,181	$	1,219,385	$	99,164	$	82,087	$	118,508	$	67,645	$	2,073,720
Non-accrual loans 2	$	4,008	$	434	$	3,081	$	—	$	469	$	—	$	—	$	7,992
Non-accrual loans with no allowance	$	1,311	$	434	$	877	$	—	$	469	$	—	$	—	$	3,091

1 There were no non-performing loans past due more than ninety days and accruing interest at December 31, 2024 and 2023.

2 None of the non-accrual loans as of December 31, 2024 or 2023 were earning interest on a cash basis. We recognized no interest income on non-accrual loans in 2024, 2023, or 2022. Accrued interest of $530 thousand, $206 thousand, and $48 thousand was reversed from interest income for the loans that were placed on non-accrual status in 2024, 2023, and 2022, respectively.

Schedule of Collateral Dependent Loans

The following table presents the amortized cost basis of individually analyzed collateral-dependent loans, which were all on non-accrual status, by portfolio class and collateral type as of December 31, 2024 and 2023.


	Amortized Cost by Collateral Type
(in thousands)	Commercial Real Estate		Residential Real Estate		Other		Total1		Allowance for Credit Losses
December 31, 2024
Commercial and industrial	$	52	$	—	$	—	$	52	$	52
Commercial real estate, owner-occupied	1,537		—		—		1,537		—
Commercial real estate, non-owner occupied	28,525		—		—		28,525		7,933

Home equity	—		752		—		752		—

Installment and other consumer	—				222		222		15
Total	$	30,114	$	752	$	222	$	31,088	$	8,000
December 31, 2023
Commercial and industrial	$	1,311	$	—	$	—	$	1,311	$	—
Commercial real estate, owner-occupied	434		—		—		434		—
Commercial real estate, non-owner occupied	3,081		—		—		3,081		408

Home equity	—		469		—		469		—


Total	$	4,826	$	469	$	—	$	5,295	$	408

1There were no collateral-dependent residential real estate mortgage loans in process of foreclosure or in substance repossessed at December 31, 2024 and 2023.

The weighted average loan-to-value of collateral-dependent loans was approximately 115% and 70% at December 31, 2024 and 2023, respectively.

Schedule of Troubled Debt Restructurings on Financing Receivables

The following table summarizes the amortized cost of loans as of December 31, 2024 and 2023 modified for borrowers experiencing financial difficulty during the years ended December 31, 2024 and 2023, respectively, by portfolio class and type of modification granted.


(in thousands)	Term Extension		Total Modifications		Percent of Portfolio Class Total
December 31, 2024




Home equity	$	188	$	188	0.2	%


Total	$	188	$	188
December 31, 2023

Commercial owner-occupied	$	1,431	$	1,431	0.4	%
Commercial non-owner occupied	878		878		0.1	%




Total	$	2,309	$	2,309

The following table summarizes the financial effect of loan modifications presented in the table above during the years ended December 31, 2024 and 2023 by portfolio class.


(in thousands)									Weighted-Average Term Extension (in years)
Year ended December 31, 2024




Home equity									6.6


Year ended December 31, 2023

Commercial owner-occupied									2.3
Commercial non-owner occupied									0.5

The following table summarizes the amortized cost and payment status of loans as of December 31, 2024 and 2023 that were modified during the years ended December 31, 2024 and 2023, respectively, by portfolio class.


(in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Total		Non-Accrual
December 31, 2024




Home equity	$	188	$	—	$	—	$	—	$	188	$	113


Total	$	188	$	—	$	—	$	—	$	188	$	113
December 31, 2023

Commercial owner-occupied	$	1,431	$	—	$	—	$	—	$	1,431	$	—
Commercial non-owner occupied	878		—		—		—		878		878




Total	$	2,309	$	—	$	—	$	—	$	2,309	$	878

Schedule of Allowance for Credit Losses on Financing Receivables

The following table presents the details of the allowance for credit losses on loans segregated by loan portfolio class as of December 31, 2024 and 2023.


Allocation of the Allowance for Credit Losses on Loans
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, non-owner occupied		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
December 31, 2024
Modeled expected credit losses	$	759	$	1,241	$	7,632	$	41	$	620	$	1,133	$	625	$	—	$	12,051
Qualitative adjustments	672		1,120		6,528		597		64		8		268		1,255		10,512
Specific allocations	145		—		7,933		—		—		—		15		—		8,093
Total	$	1,576	$	2,361	$	22,093	$	638	$	684	$	1,141	$	908	$	1,255	$	30,656
December 31, 2023
Modeled expected credit losses	$	897	$	1,270	$	7,380	$	185	$	482	$	619	$	634	$	—	$	11,467
Qualitative adjustments	622		1,205		6,327		1,647		70		33		342		2,038		12,284
Specific allocations	193		1		1,226		—		—		1		—		—		1,421
Total	$	1,712	$	2,476	$	14,933	$	1,832	$	552	$	653	$	976	$	2,038	$	25,172

The following table discloses activity in the allowance for credit losses for the periods presented.


Allowance for Credit Losses on Loans Rollforward
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, non-owner occupied		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
Year ended December 31, 2024
Beginning balance	$	1,712	$	2,476	$	14,933	$	1,832	$	552	$	653	$	976	$	2,038	$	25,172
(Reversal) provision	(116)		(115)		7,152		(1,194)		132		488		(14)		(783)		5,550
(Charge-offs)	(41)		—		—		—		—		—		(58)		—		(99)
Recoveries	21		—		8		—		—		—		4		—		33
Ending balance	$	1,576	$	2,361	$	22,093	$	638	$	684	$	1,141	$	908	$	1,255	$	30,656
Year ended December 31, 2023
Beginning balance	$	1,794	$	2,487	$	12,676	$	1,937	$	558	$	595	$	868	$	2,068	22,983
(Reversal) provision	(100)		395		2,257		(130)		(6)		58		131		(30)		2,575
(Charge-offs)	(11)		(406)		—		—		—		—		(24)		—		(441)
Recoveries	29		—		—		25		—		—		1		—		55
Ending balance	$	1,712	$	2,476	$	14,933	$	1,832	$	552	$	653	$	976	$	2,038	$	25,172
Year ended December 31, 2022
Beginning balance	$	1,709	$	2,776	$	12,739	$	1,653	$	595	$	644	$	621	$	2,286	$	23,023
Provision (reversal)	72		(289)		(63)		251		(37)		(49)		270		(218)		(63)
(Charge-offs)	(9)		—		—		—		—		—		(23)		—		(32)
Recoveries	22		—		—		33		—		—		—		—		55
Ending balance	$	1,794	$	2,487	$	12,676	$	1,937	$	558	$	595	$	868	$	2,068	$	22,983

Schedule of Related Party Transactions

The following table shows changes in net loans to related parties for each of the three years ended December 31, 2024, 2023 and 2022.


(in thousands)	2024		2023		2022
Balance at beginning of year	$	5,832	$	6,445	$	7,942
Additions	1,425		—		1,525

Repayments	(3,125)		(613)		(364)
Reclassified due to a change in borrower status	—		—		(2,658)
Balance at end of year	$	4,132	$	5,832	$	6,445

Bank Premises and Equipment (Tables)

12 Months Ended

Dec. 31, 2024

Property, Plant and Equipment [Abstract]

Schedule of Bank Premises and Equipment

A summary of bank premises and equipment follows:


	December 31,
(in thousands)	2024		2023
Leasehold improvements	$	16,762	$	16,578
Furniture and equipment	10,544		11,336
Buildings	1,261		1,248
Land	1,170		1,170
Finance lease right-of-use assets 1	616		608
Subtotal	30,353		30,940
Accumulated depreciation and amortization	(23,521)		(23,148)
Bank premises and equipment, net	$	6,832	$	7,792
1 See Note 12, Commitments and Contingencies, for more information.

Deposits (Tables)

12 Months Ended

Dec. 31, 2024

Deposits [Abstract]

Schedule of Time Deposits

A stratification of time deposits is presented in the following table:


	December 31,
(in thousands)	2024		2023
Time deposits of less than or equal to $250 thousand	$	134,068	$	145,697
Time deposits of more than $250 thousand	108,309		105,620
Total time deposits	$	242,377	$	251,317

Schedule of Maturities for Time Deposits

Scheduled maturities of time deposits at December 31, 2024 are as follows:


(in thousands)	2025		2026		2027		2028		2029		Thereafter		Total
Scheduled time deposit maturities	$	230,203	$	6,188	$	2,805	$	2,319	$	862	$	—	$	242,377

Borrowings and Other Obligations (Tables)

12 Months Ended

Dec. 31, 2024

Debt Disclosure [Abstract]

Schedule of Debt

The carrying values, average balances and average rates on borrowings and other obligations as of and for the years ended December 31, 2024, 2023 and 2022 are summarized in the following table.


	2024						2023						2022
(dollars in thousands)	Carrying Value		Average Balance		Average Rate		Carrying Value		Average Balance		Average Rate		Carrying Value		Average Balance		Average Rate
FHLB short-term borrowings	$	—	$	119	5.52	%	$	—	$	164,299	5.10	%	$	112,000	$	1,921	4.48	%
FHLB fixed-rate advances	—		—		—	%	—		—		—	%	—		—		—	%
Federal funds lines of credit	—		—		—	%	—		—		—	%	—		—		—	%
FRBSF advances - Discount Window	—		2,680		5.42	%	—		—		—	%	—		—		—	%
FRBSF short-term borrowings under the BTFP	—		1,607		5.00	%	26,000		56,959		5.30	%	—		—		—	%
Other obligations (finance leases)	154		222		2.23	%	298		$	364	1.88	%	439		374		0.65	%
Total borrowings and other obligations	$	154	$	4,628	5.13	%	$	26,298	$	221,623	5.15	%	$	112,439	$	2,295	3.90	%

Stockholders' Equity and Stock Plans (Tables)

12 Months Ended

Dec. 31, 2024

Equity [Abstract]

Schedule of Information of Cashless Exercise Prices

The table below depicts the total number of shares, amount, and weighted average price withheld for cashless exercises in each of the respective years.


	December 31, 2024		December 31, 2023		December 31, 2022
Number of shares withheld	3,798		3,132		11,505
Total amount withheld (in thousands)	$	64	$	86	$	393
Weighted-average price	$	16.89	$	27.57	$	34.13

Schedule of Share-based Compensation, Stock Options, Activity

A summary of stock option activity for the years ended December 31, 2024, 2023, and 2022 is presented in the following table. The intrinsic value of options outstanding and exercisable is calculated as the number of in-the-money options times the difference between the market price of our stock and the exercise prices of the in-the-money options as of each year-end period presented.


	Number of Shares	Weighted Average Exercise Price		Aggregate Intrinsic Value (in thousands)		Weighted Average Grant-Date Fair Value	Weighted Average Remaining Contractual Term (in years)
Options outstanding at December 31, 2021	365,381	$	31.97	$	2,326		5.57
Granted	39,094	34.16				8.49
Cancelled, expired or forfeited	(23,760)	37.48
Exercised	(51,010)	23.01		617
Options outstanding at December 31, 2022	329,705	33.22		813			5.59
Exercisable (vested) at December 31, 2022	287,228	32.81		813			5.15
Options outstanding at December 31, 2022	329,705	33.22		813			5.59
Granted	10,040	32.54				8.49
Cancelled, expired or forfeited	(23,804)	35.06
Exercised	(12,164)	20.25		88
Options outstanding at December 31, 2023	303,777	33.22		1			4.86
Exercisable (vested) at December 31, 2023	283,578	33.46		1			4.65
Options outstanding at December 31, 2023	303,777	33.22		1			4.86

Cancelled, expired or forfeited	(25,594)	29.81

Options outstanding at December 31, 2024	278,183	33.92		2			3.93
Exercisable (vested) at December 31, 2024	273,242	33.92		2			3.87

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

A summary of the options outstanding and exercisable by price range as of December 31, 2024 is presented in the following table:


	Stock Options Outstanding as of December 31, 2024				Stock Options Exercisable as of December 31, 2024
Range of Exercise Prices	Stock Options Outstanding	Remaining Contractual Life (in years)	Weighted Average Exercise Price		Stock Options Exercisable	Weighted Average Exercise Price

$10.00 - $20.00	402	2.1	$	19.96	402	$	19.96
$20.01 - $30.00	60,840	0.8	24.98		60,840	24.98
$30.01 - $40.00	159,433	4.9	34.41		154,492	34.42
$40.01 - $50.00	57,508	4.6	42.12		57,508	42.12
	278,183				273,242

Schedule of Unrecognized Compensation Cost, Nonvested Awards

The following table summarizes non-vested restricted stock awards and changes during the years ended December 31, 2024, 2023, and 2022.


	Number of Shares	Weighted Average Grant-Date Fair Value
Non-vested awards at December 31, 2021	61,830	$	40.25
Granted	46,672	34.03
Vested	(12,444)	41.49
Cancelled or forfeited	(13,692)	41.8
Non-vested awards at December 31, 2022	82,366	36.28
Granted	61,978	27.10
Vested	(15,768)	36.24
Cancelled or forfeited	(21,024)	36.86
Non-vested awards at December 31, 2023	107,552	30.88
Granted	106,964	16.61
Vested	(20,832)	31.76
Cancelled or forfeited	(42,396)	26.97
Non-vested awards at December 31, 2024	151,288	21.77

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

We determine the fair value of stock options at the grant date using the Black-Scholes pricing model that takes into account the stock price at the grant date, exercise price, and the following assumptions (weighted-average shown). There were no options granted in the year 2024.


	Years ended December 31,
	2024	2023		2022
Risk-free interest rate	N/A	3.94	%	1.86	%
Expected dividend yield on common stock	N/A	3.07	%	2.85	%
Expected life in years	N/A	5.0		6.0
Expected price volatility	N/A	34.68	%	33.44	%

Schedule of Cash Dividends Paid to Common Shareholders

Presented below is a summary of cash dividends paid in the years ended December 31, 2024, 2023, and 2022 to common shareholders, recorded as a reduction from retained earnings. On January 23, 2025, the Board of Directors declared a $0.25 per share cash dividend, paid on February 13, 2025 to the shareholders of record at the close of business on February 6, 2025.


	Years ended December 31,
(in thousands except per share data)	2024		2023		2022
Cash dividends to common stockholders	$	16,197	$	16,106	$	15,673
Cash dividends per common share	$	1.00	$	1.00	$	0.98

Fair Value of Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table summarizes our assets and liabilities that were required to be recorded at fair value on a recurring basis.


(in thousands) Description of Financial Instruments	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Measurement Categories: Changes in Fair Value Recorded In1
December 31, 2024
Securities available for sale:
Commercial mortgage-back securities, mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	279,838	$	—	$	279,838	$	—	OCI
SBA-backed securities	$	308	$	—	$	308	$	—	OCI
Debentures of government sponsored agencies	$	7,210	$	—	$	7,210	$	—	OCI
U.S. Treasury securities	$	10,815	$	10,815	$	—	$	—	OCI

Obligations of state and political subdivisions	$	83,714	$	—	$	83,714	$	—	OCI
Corporate bonds	$	5,649	$	—	$	5,649	$	—	OCI

Derivative financial assets (interest rate contracts)	$	333	$	—	$	333	$	—	NI

December 31, 2023
Securities available for sale:
Commercial mortgage-back securities, mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	352,472	$	—	$	352,472	$	—	OCI
SBA-backed securities	$	19,471	$	—	$	19,471	$	—	OCI
Debentures of government sponsored agencies	$	66,862	$	—	$	66,862	$	—	OCI
U.S. Treasury securities	$	10,623	$	10,623	$	—	$	—	OCI

Obligations of state and political subdivisions	$	91,882	$	—	$	91,882	$	—	OCI
Corporate bonds	$	10,718	$	—	$	10,718	$	—	OCI

Derivative financial assets (interest rate contracts)	$	287	$	—	$	287	$	—	NI
Derivative financial liabilities (interest rate contracts)	$	1,361	$	—	$	1,361	$	—	NI

1Other comprehensive income (loss) ("OCI") or net income ("NI").

Schedule of Fair Value by Balance Sheet Grouping

The table below is a summary of fair value estimates for financial instruments as of December 31, 2024 and 2023, excluding financial instruments recorded at fair value on a recurring basis (summarized in the first table in this note). The carrying amounts in the following table are recorded in the consolidated statements of condition under the indicated captions. Further, we have not disclosed the fair value of financial instruments specifically excluded from disclosure requirements such as bank-owned life insurance policies ("BOLI"), lease obligations and non-maturity deposit liabilities. Additionally, we held shares of Federal Home Loan Bank ("FHLB") of San Francisco stock at cost as of December 31, 2024 and 2023, and Visa Inc. Class B common stock with no carrying value as of December 31, 2023, which was sold entirely in July of 2023. There were no impairments or changes resulting from observable price changes in orderly transactions for the identical or similar investments of the same issuer as of December 31, 2024 and 2023. See further discussion on values within Note 2, Investment Securities, above.


	December 31, 2024					December 31, 2023
(in thousands)	Carrying Amounts		Fair Value		Fair Value Hierarchy	Carrying Amounts		Fair Value		Fair Value Hierarchy
Financial assets (recorded at amortized cost)
Cash and cash equivalents	$	137,304	$	137,304	Level 1	$	30,453	$	30,453	Level 1
Investment securities held-to-maturity	879,199		763,535		Level 2	925,198		814,830		Level 2
Loans, net of allowance for credit losses	2,052,600		1,965,429		Level 3	2,048,548		1,939,702		Level 3
Interest receivable	11,934		11,934		Level 2	12,752		12,752		Level 2
Financial liabilities (recorded at amortized cost)
Time deposits	242,377		243,773		Level 2	251,317		252,824		Level 2

FRBSF short-term borrowings under the BTFP	—		—		Level 2	26,000		25,998		Level 2

Interest payable	3,019		3,019		Level 2	2,752		2,752		Level 2

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Provision

The current and deferred components of the income tax provision for each of the three years ended December 31 are as follows:


(in thousands)	2024		2023		2022
Current tax(benefit) provision
Federal	$	(214)	$	3,234	$	10,670
State	(60)		2,823		6,687
Total current tax (benefit) provision	(274)		6,057		17,357
Deferred tax (benefit) provision
Federal	(3,520)		319		(441)
State	(1,632)		(235)		7
Total deferred tax (benefit) provision	(5,152)		84		(434)
Total income tax (benefit) provision	$	(5,426)	$	6,141	$	16,923

Schedule of Deferred Tax Assets and Liabilities

The following table shows the tax effect of our cumulative temporary differences as of December 31:


(in thousands)	2024		2023
Deferred tax assets:
Net unrealized losses on securities available-for-sale	$	12,624	$	22,241
Allowance for credit losses on loans and unfunded loan commitments	9,327		7,775
Operating and finance lease liabilities	6,404		6,860
Deferred compensation and salary continuation plans	3,137		3,289
Net operating loss carryforwards	4,353		1,136
Accrued but unpaid expenses	1,644		1,709
Stock-based compensation	643		632
Interest received on non-accrual loans	639		44
Fair value adjustment on acquired loans	396		695


Depreciation and disposals on premises and equipment	81		179
State franchise tax	—		593
Other	269		30
Total gross deferred tax assets	39,517		45,183
Deferred tax liabilities:
Operating and finance lease right-of-use assets	(5,669)		(6,092)
Deferred loan origination costs and fees	(1,685)		(1,435)
Core deposit intangible assets	(825)		(1,113)


Purchase accounting adjustments	(488)		(1,248)
Other	(245)		(226)
Total gross deferred tax liabilities	(8,912)		(10,114)
Net deferred tax assets	$	30,605	$	35,069

Schedule of Effective Income Tax Rate Reconciliation

The effective tax rate for 2024, 2023 and 2022 differs from the current federal statutory income tax rate as follows:


	2024		2023		2022
Federal statutory income tax rate	21.0	%	21.0	%	21.0	%
Increase (decrease) due to:
California franchise tax, net of federal tax benefit	9.7	%	7.9	%	8.3	%

Tax exempt interest on municipal securities and loans	4.9	%	(3.1)	%	(1.9)	%
Tax exempt earnings on bank owned life insurance	2.6	%	(1.5)	%	(0.4)	%
Non-deductible acquisition related expenses	—	%	—	%	—	%
Non-deductible executive compensation	—	%	—	%	—	%


Other	1.0	%	(0.7)	%	(0.4)	%
Effective Tax Rate	39.2	%	23.6	%	26.6	%

Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Schedule of Operating and Finance Lease Right-of-use Assets and Lease Liabilities

The following table shows the balances of operating and finance lease right-of-use assets and lease liabilities as of December 31, 2024 and 2023.


(in thousands)	December 31, 2024		December 31, 2023
Operating leases:
Operating lease right-of-use assets	$	19,025	$	20,316
Operating lease liabilities	21,509		22,906
Finance leases:
Finance lease right-of-use assets	616		608
Accumulated amortization	(467)		(319)
Finance lease right-of-use assets, net1	$	149	$	289
Finance lease liabilities2	$	154	$	298
1 Included in premises and equipment in the consolidated statements of condition.
2 Included in borrowings and other obligations in the consolidated statements of condition.

Schedule of Components of Operating and Finance Lease Cost

The following table shows supplemental disclosures of noncash investing and financing activities for the years ended December 31, 2024, 2023 and 2022.


(in thousands)	2024		2023		2022
Right-of-use assets obtained in exchange for operating lease liabilities	$	3,034	$	437	$	6,116
Right-of-use assets obtained in exchange for finance lease liabilities	$	8	$	7	$	151

The following table shows components of operating and finance lease cost for the years ended December 31, 2024, 2023 and 2022.


(in thousands)	2024		2023		2022
Operating lease cost1	$	4,911	$	5,493	$	5,356
Variable lease cost	—		—		—
Total operating lease cost	$	4,911	$	5,493	$	5,356
Finance lease cost:
Amortization of right-of-use assets2	$	148	$	147	$	127
Interest on finance lease liabilities3	5		7		3
Total finance lease cost	$	153	$	154	$	130
Total lease cost	$	5,064	$	5,647	$	5,486
1 Included in occupancy and equipment expense in the consolidated statements of comprehensive income (loss).
2 Included in depreciation and amortization in the consolidated statements of comprehensive income (loss).
3 Included in interest on borrowings and other obligations in the consolidated statements of comprehensive income (loss).

Schedule of Finance Lease Liability Maturities

The following table shows the future minimum lease payments, weighted average remaining lease terms, and weighted average discount rates under operating and finance lease arrangements as of December 31, 2024. The discount rates used to calculate the present value of lease liabilities were based on the collateralized FHLB borrowing rates that were commensurate with lease terms and minimum payments on the lease commencement date.


(in thousands)	December 31, 2024
Year	Operating Leases			Finance Leases
2025	$	4,728		$	110
2026	3,626			40
2027	3,332			7
2028	2,910			1
2029	2,251			—
Thereafter	7,606			—
Total minimum lease payments	24,453			158
Amounts representing interest (present value discount)	(2,944)			(4)
Present value of net minimum lease payments (lease liability)	$	21,509		$	154

Weighted average remaining term (in years)	7.6			1.5
Weighted average discount rate	2.85		%	2.70		%

Derivative Financial Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2024

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

Information on our derivatives follows:


	Asset derivatives				Liability derivatives
(in thousands)	December 31, 2024		December 31, 2023		December 31, 2024		December 31, 2023
Available-for-sale securities:
Interest rate swaps - notional amount	$	—	$	—	$	—	$	101,770
Interest rate swaps - fair value1	$	—	$	—	$	—	$	1,359
Loans receivable:
Interest rate contracts - notional amount	$	7,654	$	6,441	$	—	$	2,157
Interest rate contracts - fair value1	$	333	$	287	$	—	$	2

1 Refer to Note 9, Fair Value of Assets and Liabilities, for valuation methodology.

The following table presents the carrying amount and associated cumulative basis adjustment related to the application of fair value hedge accounting that is included in the carrying amount of hedged assets as of December 31, 2024 and 2023.


	Carrying Amounts of Hedged Assets				Cumulative Amounts of Fair Value Hedging Adjustments Included in the Carrying Amounts of the Hedged Assets
(in thousands)	December 31, 2024		December 31, 2023		December 31, 2024		December 31, 2023
Available-for-sale securities 1	$	—	$	107,181	$	—	$	(1,359)
Loans receivable 2	$	7,215	$	8,183	$	(398)	$	(367)

1 Carrying value equals the amortized cost basis of the securities underlying the hedge relationship, which is the book value net of the fair value hedge adjustment. Amortized cost excludes accrued interest totaling $222 thousand as of December 31, 2023.

2 Carrying value equals the amortized cost basis of the loans underlying the hedge relationship, which is the loan balance net of deferred loan origination fees and cost and the fair value hedge adjustment. Amortized cost excludes accrued interest, which was not material.

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The following table presents the pretax net gains (losses) recognized in interest income related to our fair value hedges for the years presented.


	Years ended December 31,
(in thousands)	2024		2023		2022
Interest on investment securities 1
Increase (decrease) in fair value of interest rate swaps hedging available-for-sale securities	$	1,359	$	(1,359)	$	—
Hedged interest earned (paid)	646		367		—
Decrease (increase) in carrying value included in the hedged available-for-sale securities	(1,359)		1,359		—
Net gain recognized in interest income on investment securities	$	646	$	367	$	—
Interest and fees on loans 1
Increase (decrease) increase in fair value of interest rate swaps hedging loans receivable	$	47	$	(317)	$	1,687
Hedged interest earned (paid)	201		268		(143)
Decrease (increase) in carrying value included in the hedged loans	(30)		359		(1,666)
Decrease in value of yield maintenance agreement	(8)		(9)		(10)
Net gain (loss) recognized in interest income on loans	$	210	$	301	$	(132)

1 Represents the income line item in the statements of comprehensive income (loss) in which the effects of fair value hedges are recorded.

Schedule of Offsetting Liabilities

Information on financial instruments that are eligible for offset in the consolidated statements of condition follows:



Offsetting of Financial Assets and Derivative Assets
			Gross Amounts		Net Amounts		Gross Amounts Not Offset in the Statements of Condition
	Gross Amounts		Offset in the		of Assets Presented
	of Recognized		Statements of		in the Statements		Financial		Cash Collateral
(in thousands)	Assets 1		Condition		of Condition 1		Instruments		Received		Net Amount
December 31, 2024

Counterparty	$	333	$	—	$	333	$	—	$	—	$	333
Total	$	333	$	—	$	333	$	—	$	—	$	333
December 31, 2023

Counterparty	$	287	$	—	$	287	$	—	$	—	$	287
Total	$	287	$	—	$	287	$	—	$	—	$	287


Offsetting of Financial Liabilities and Derivative Liabilities
	Gross Amounts of Recognized Liabilities 1		Gross Amounts Offset in the Statements of Condition		Net Amounts of Liabilities Presented in the Statements of Condition 1		Gross Amounts Not Offset in the Statements of Condition

							Financial Instruments		Cash Collateral Pledged
(in thousands)											Net Amount
December 31, 2024

Counterparty	$	—	$	—	$	—	$	—	—		$	—
Total	$	—	$	—	$	—	$	—	$	—	$	—
December 31, 2023

Counterparty	$	1,361	$	—	$	1,361	$	(287)	(330)		$	744

Total	$	1,361	$	—	$	1,361	$	(287)	$	(330)	$	744

1 Amounts exclude accrued interest on swaps.

Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2024

Regulatory Assets and Liabilities Disclosure [Abstract]

Schedule of Capital Adequacy Ratios

The Bancorp’s and Bank's capital adequacy ratios as of December 31, 2024 and 2023 are presented in the following tables.


Bancorp Capital Ratios (dollars in thousands)	Actual				Adequately Capitalized Threshold 1				Threshold to be a Well Capitalized Bank Holding Company
December 31, 2024	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total Capital (to risk-weighted assets)	$	420,606	16.54	%	$	266,991	10.50	%	$	254,277	10.00	%
Tier 1 Capital (to risk-weighted assets)	$	389,448	15.32	%	$	216,136	8.50	%	$	203,422	8.00	%
Tier 1 Leverage Capital (to average assets)	$	389,448	10.46	%	$	148,899	4.00	%	$	186,123	5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	389,448	15.32	%	$	177,994	7.00	%	$	165,280	6.50	%
December 31, 2023
Total Capital (to risk-weighted assets)	$	440,842	16.89	%	$	274,002	10.50	%	$	260,954	10.00	%
Tier 1 Capital (to risk-weighted assets)	$	415,224	15.91	%	$	221,811	8.50	%	$	208,763	8.00	%
Tier 1 Leverage Capital (to average assets)	$	415,224	10.46	%	$	158,771	4.00	%	$	198,464	5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	415,224	15.91	%	$	182,668	7.00	%	$	169,620	6.50	%


Bank Capital Ratios (dollars in thousands)	Actual				Adequately Capitalized Threshold 1				Threshold to be Well Capitalized under Prompt Corrective Action Provisions
December 31, 2024	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total Capital (to risk-weighted assets)	$	410,186	16.13	%	$	266,955	10.50	%	$	254,243	10.00	%
Tier 1 Capital (to risk-weighted assets)	$	379,028	14.91	%	$	216,107	8.50	%	$	203,395	8.00	%
Tier 1 Leverage Capital (to average assets)	$	379,028	10.18	%	$	148,887	4.00	%	$	186,108	5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	379,028	14.91	%	$	177,970	7.00	%	$	165,258	6.50	%
December 31, 2023
Total Capital (to risk-weighted assets)	$	433,598	16.62	%	$	273,986	10.50	%	$	260,939	10.00	%
Tier 1 Capital (to risk-weighted assets)	$	407,981	15.64	%	$	221,798	8.50	%	$	208,751	8.00	%
Tier 1 Leverage Capital (to average assets)	$	407,981	10.28	%	$	158,767	4.00	%	$	198,459	5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	407,981	15.64	%	$	182,657	7.00	%	$	169,610	6.50	%

1 Except for Tier 1 Leverage Capital, the adequately capitalized thresholds reflect the regulatory minimum plus a 2.5% capital conservation buffer as required under the Basel III Capital Standards in order to avoid limitations on paying dividends, engaging in share repurchases, and paying discretionary bonuses.

Financial Instruments with Off-Balance Sheet Risk (Tables)

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Contractual Amount, Off-Balance Sheet Risks

The contractual amount of unfunded loan commitments and standby letters of credit not reflected in the consolidated statements of condition are as follows:


(in thousands)	December 31, 2024		December 31, 2023
Commercial lines of credit	$	233,462	$	259,989
Revolving home equity lines	208,372		218,935
Undisbursed construction loans	8,294		13,943
Personal and other lines of credit	7,781		9,136
Standby letters of credit	2,777		3,147
Total unfunded loan commitments and standby letters of credit	$	460,686	$	505,150

Condensed Bank of Marin Bancorp Parent Only Financial Statements (Tables)

12 Months Ended

Dec. 31, 2024

Condensed Financial Information Disclosure [Abstract]

Schedule of Condensed Balance Sheet

Presented below is financial information for Bank of Marin Bancorp, parent holding company only.


CONDENSED UNCONSOLIDATED STATEMENTS OF CONDITION
December 31, 2024 and 2023
(in thousands)	2024		2023
Assets
Cash and due from Bank of Marin	$	10,329	$	7,189
Investment in bank subsidiary	424,987		431,819
Other assets	232		156
Total assets	$	435,548	$	439,164

Liabilities and Stockholders' Equity

Accrued expenses payable	$	141	$	102

Total liabilities	141		102
Stockholders' equity	435,407		439,062
Total liabilities and stockholders' equity	$	435,548	$	439,164

Schedule of Condensed Income Statement


CONDENSED UNCONSOLIDATED STATEMENTS OF INCOME
Years ended December 31, 2024, 2023 and 2022
(in thousands)	2024		2023		2022
Income
Dividends from bank subsidiary	$	25,000	$	20,000	$	16,200

Total income	25,000		20,000		16,200
Expense

Non-interest expense	1,814		1,705		1,793
Total expense	1,814		1,705		1,793
Income before income taxes and equity in undistributed net income of subsidiary	23,186		18,295		14,407
Income tax benefit	434		504		530
Income before equity in undistributed net income of subsidiary	23,620		18,799		14,937
(Loss) earnings of bank subsidiary greater (less) than dividends received from bank subsidiary	(32,029)		1,096		31,649
Net (loss) income	$	(8,409)	$	19,895	$	46,586

Schedule of Condensed Cash Flow Statement


CONDENSED UNCONSOLIDATED STATEMENTS OF CASH FLOWS
Years ended December 31, 2024, 2023 and 2022
(in thousands)	2024		2023		2022
Cash Flows from Operating Activities:
Net income	$	(8,409)	$	19,895	$	46,586
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Earnings of bank subsidiary (greater) less than dividends received from bank subsidiary	32,029		(1,096)		(31,649)

Noncash director compensation expense	71		60		36
Net changes in:
Other assets	(76)		99		(12)
Other liabilities	39		(86)		(129)
Net cash provided by operating activities	23,654		18,872		14,832
Cash Flows from Investing Activities:
Capital contribution to bank subsidiary	(38)		(276)		(899)

Net cash used in investing activities	(38)		(276)		(899)
Cash Flows from Financing Activities:

Restricted stock surrendered for tax withholdings upon vesting	(64)		(70)		(40)
Cash dividends paid on common stock	(16,197)		(16,106)		(15,673)
Stock repurchased, including commissions and excise tax	(4,253)		—		(1,250)
Proceeds from stock options exercised and stock issued under employee and director stock purchase plans	38		276		899
Net cash used in financing activities	(20,476)		(15,900)		(16,064)
Net increase (decrease) in cash and cash equivalents	3,140		2,696		(2,131)
Cash and cash equivalents at beginning of year	7,189		4,493		6,624
Cash and cash equivalents at end of year	$	10,329	$	7,189	$	4,493
Supplemental schedule of noncash investing and financing activities:
Stock issued in payment of director fees	$	513	$	398	$	355

Stock issued to ESOP	$	1,149	$	1,315	$	1,233

Summary of Significant Accounting Policies - Nature of Operations and Segment Reporting (Details)	12 Months Ended
	Dec. 31, 2024 retailBranch commercialBankingOffice segment
Accounting Policies [Abstract]
Number of retail branches \| retailBranch	27
Number of commercial banking offices \| commercialBankingOffice	8
Number of reportable segments	1
Number of operating segments	1

Summary of Significant Accounting Policies - Schedule of Segment Revenue, Profit or Loss, Significant Segment Expenses and Other Segment Items (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Community banking segment:
Interest income	$ 141,273	$ 139,494	$ 130,041
Non-interest income	(21,360)	4,989	10,905
Reconciliation of income
Total consolidated income	(8,409)	19,895	46,586
Total interest expense	46,613	36,733	2,549
(Reversal) provision	5,550	2,575	(63)
Reversal of credit losses on unfunded loan commitments	(233)	(342)	(318)
Non-interest expense
Deposit network fees	3,526	2,783	258
Federal Deposit Insurance Corporation insurance	1,863	1,878	1,179
Information technology	1,686	1,569	2,197
Directors' expense	1,213	1,212	1,107
Amortization of core deposit intangible	975	1,350	1,489
Charitable contributions	677	717	709
Other real estate owned	0	48	359
Reconciliation of segment (loss) income
Loss before income taxes	(13,835)	26,036	63,509
Salary and employee benefits, professional services, data processing, occupancy and equipment and other expenses	1,700
Operating Segments
Community banking segment:
Interest income	141,273	139,494	130,041
Non-interest income	(23,780)	2,844	8,678
Reconciliation of income
All other income	2,420	2,145	2,227
Total consolidated income	119,913	144,483	140,946
Total interest expense	46,613	36,733	2,549
(Reversal) provision	5,550	2,575	(63)
Reversal of credit losses on unfunded loan commitments	(233)	(342)	(318)
Non-interest expense
Salaries and employee benefits	43,794	42,671	41,235
Occupancy and equipment	8,240	8,304	7,819
Professional services	4,562	3,086	2,688
Data processing	4,032	3,879	4,480
Deposit network fees	3,526	2,783	258
Federal Deposit Insurance Corporation insurance	1,863	1,878	1,179
Information technology	1,686	1,569	2,197
Depreciation and amortization	1,465	2,097	1,839
Directors' expense	1,213	1,212	1,107
Amortization of core deposit intangible	975	1,350	1,489
Charitable contributions	677	717	709
Other real estate owned	0	48	359
Other expense	8,068	8,357	8,255
Segment (loss) income	(12,118)	27,566	65,164
Reconciliation of segment (loss) income
All other loss	(1,717)	(1,530)	(1,655)
Loss before income taxes	$ (13,835)	$ 26,036	$ 63,509

Summary of Significant Accounting Policies - Financing Receivable Narrative (Details)	12 Months Ended
	Dec. 31, 2024 payment
Accounting Policies [Abstract]
Threshold period a past due loan is charged off	90 days
Number of consecutive payments considered sustained repayment performance	6
Threshold period a past due overdraft account is charged off	60 days

Summary of Significant Accounting Policies - Transfer of Financial Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Gain (loss) on sale of financial assets	$ 0	$ 0	$ 0

Summary of Significant Accounting Policies - Premises and Equipment (Details)	Dec. 31, 2024
Furniture and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment useful life	8 years
Minimum \| Equipment
Property, Plant and Equipment [Line Items]
Premises and equipment useful life	3 years
Minimum \| Buildings
Property, Plant and Equipment [Line Items]
Premises and equipment useful life	25 years
Maximum \| Equipment
Property, Plant and Equipment [Line Items]
Premises and equipment useful life	20 years
Maximum \| Buildings
Property, Plant and Equipment [Line Items]
Premises and equipment useful life	30 years

Summary of Significant Accounting Policies - Goodwill and Other Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	$ 0	$ 0	$ 0
Core deposit intangible
Finite-Lived Intangible Assets [Line Items]
Useful life of core deposit intangible asset	10 years
Impairment of intangible assets	$ 0	$ 0	$ 0

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Summary of Significant Accounting Policies - Future Amortization Expense of Core Deposits (Details) - Core deposit intangible $ in Thousands	Dec. 31, 2024 USD ($)
Finite-Lived Intangible Assets [Line Items]
2025	$ 875
2026	773
2027	634
2028	242
2029	165
Thereafter	103
Total	$ 2,792

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Summary of Significant Accounting Policies - Other Real Estate Owned (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
OREO valuation allowance adjustment	$ 0	$ 40,000	$ 345,000

Summary of Significant Accounting Policies - Investments in Low Income Housing Tax Credit Funds (Details)	12 Months Ended
	Dec. 31, 2024
Minimum
Other Ownership Interests [Line Items]
Affordable housing tax credits, investment, ownership percentage	1.00%
Maximum
Other Ownership Interests [Line Items]
Affordable housing tax credits, investment, ownership percentage	3.50%

Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share, Basic and Diluted [Abstract]
Weighted average basic common shares outstanding (in shares)	16,042	16,012	15,921
Potentially dilutive common shares related to:
Stock options (in shares)	0	3	31
Unvested restricted stock awards (in shares)	0	11	17
Weighted average diluted common shares outstanding (in shares)	16,042	16,026	15,969
Total consolidated income	$ (8,409)	$ 19,895	$ 46,586
Basic EPS (in dollars per share)	$ (0.52)	$ 1.24	$ 2.93
Diluted EPS (in dollars per share)	$ (0.52)	$ 1.24	$ 2.92
Weighted average anti-dilutive common shares not included in the calculation of diluted EPS (in shares)	368	364	211

Summary of Significant Accounting Policies - Advertising Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounting Policies [Abstract]
Advertising costs	$ 1.1	$ 1.2	$ 1.1

Investment Securities - Held-to-Maturity Amortized Cost and Fair Value (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	$ 879,199,000	$ 925,198,000
Allowance for Credit Losses	0	0
Net Carrying Amount	879,199,000	925,198,000
Held-to-maturity, gross unrealized gains	0	75,000
Held-to-maturity, gross unrealized losses	(115,664,000)	(110,443,000)
Held to maturity, fair value	763,535,000	814,830,000
Accrued interest	3,400,000	3,600,000
CMBS issued by FHLMC, FNMA and GNMA
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	242,559,000	247,441,000
Allowance for Credit Losses	0	0
Net Carrying Amount	242,559,000	247,441,000
Held-to-maturity, gross unrealized gains	0	0
Held-to-maturity, gross unrealized losses	(34,449,000)	(35,071,000)
Held to maturity, fair value	208,110,000	212,370,000
CMOs issued by FHLMC, FNMA and GNMA
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	209,748,000	228,761,000
Allowance for Credit Losses	0	0
Net Carrying Amount	209,748,000	228,761,000
Held-to-maturity, gross unrealized gains	0	28,000
Held-to-maturity, gross unrealized losses	(18,492,000)	(16,882,000)
Held to maturity, fair value	191,256,000	211,907,000
MBS pass-through securities issued by FHLMC, FNMA and GNMA
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	192,388,000	208,983,000
Allowance for Credit Losses	0	0
Net Carrying Amount	192,388,000	208,983,000
Held-to-maturity, gross unrealized gains	0	0
Held-to-maturity, gross unrealized losses	(30,942,000)	(27,326,000)
Held to maturity, fair value	161,446,000	181,657,000
SBA-backed securities
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	1,513,000	1,853,000
Allowance for Credit Losses	0	0
Net Carrying Amount	1,513,000	1,853,000
Held-to-maturity, gross unrealized gains	0	0
Held-to-maturity, gross unrealized losses	(61,000)	(90,000)
Held to maturity, fair value	1,452,000	1,763,000
Debentures of government sponsored agencies
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	141,431,000	146,126,000
Allowance for Credit Losses	0	0
Net Carrying Amount	141,431,000	146,126,000
Held-to-maturity, gross unrealized gains	0	0
Held-to-maturity, gross unrealized losses	(22,694,000)	(21,994,000)
Held to maturity, fair value	118,737,000	124,132,000
Obligations of state and political subdivisions
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	61,560,000	62,034,000
Allowance for Credit Losses	0	0
Net Carrying Amount	61,560,000	62,034,000
Held-to-maturity, gross unrealized gains	0	47,000
Held-to-maturity, gross unrealized losses	(8,341,000)	(7,884,000)
Held to maturity, fair value	53,219,000	54,197,000
Corporate bonds
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	30,000,000	30,000,000
Allowance for Credit Losses	0	0
Net Carrying Amount	30,000,000	30,000,000
Held-to-maturity, gross unrealized gains	0	0
Held-to-maturity, gross unrealized losses	(685,000)	(1,196,000)
Held to maturity, fair value	$ 29,315,000	$ 28,804,000

Investment Securities - Narrative (Details)	1 Months Ended
Investment Securities - Narrative (Details)	Mar. 31, 2022 USD ($)	Dec. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security	Jul. 07, 2023 USD ($)
Debt Securities, Available-for-sale [Line Items]
Held-to-maturity, allowance for credit Loss		$ 0	$ 0
Transfer of securities from available-for-sale to held-to-maturity at fair value	$ 357,500,000
Net unrealized pre-tax loss		$ 31,942,000	$ 61,454,000
Number of investment securities in unrealized loss position \| security		269	313
Number of investment securities in unrealized loss position longer than 12 months \| security		247
Number of investment securities in unrealized loss position less than 12 months \| security		22
Debt securities, available-for-sale unrealized loss position, allowance for credit loss		$ 0	$ 0
Interest rate swap
Debt Securities, Available-for-sale [Line Items]
Derivative notional amount				$ 101,800,000
Accumulated Other Comprehensive Income (Loss), Net of Tax
Debt Securities, Available-for-sale [Line Items]
Net unrealized pre-tax loss	$ 14,800,000

Investment Securities - Schedule of Bond Ratings For Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	$ 879,199	$ 925,198
Obligations of state and political subdivisions
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	61,560	62,034
Corporate bonds
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	30,000	30,000
Moody's And/Or Standard & Poor's AAA Rating \| Obligations of state and political subdivisions
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	42,161	42,577
Moody's And/Or Standard & Poor's AAA Rating \| Corporate bonds
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	0	0
Moody's And/Or Standard & Poor's AA Rating \| Obligations of state and political subdivisions
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	19,399	19,457
Moody's And/Or Standard & Poor's AA Rating \| Corporate bonds
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	0	0
Moody's And/Or Standard & Poor's A Rating \| Obligations of state and political subdivisions
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	0	0
Moody's And/Or Standard & Poor's A Rating \| Corporate bonds
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Held to maturity, amortized cost	$ 30,000	$ 30,000

Investment Securities - Schedule of Available-for-Sale Securities Amortized Cost and Fair Value (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	$ 419,292,000	$ 613,479,000
Available-for-sale, gross unrealized gains	184,000	3,000
Available-for-sale, gross unrealized losses	(31,942,000)	(61,454,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	$ 387,534,000	$ 552,028,000
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest receivable and other assets	Interest receivable and other assets
Accrued interest	$ 1,700,000	$ 2,300,000
CMBS issued by FHLMC, FNMA and GNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	222,862,000	160,968,000
Available-for-sale, gross unrealized gains	154,000	0
Available-for-sale, gross unrealized losses	(4,977,000)	(13,279,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	218,039,000	147,689,000
CMOs issued by FHLMC, FNMA and GNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	42,432,000	153,689,000
Available-for-sale, gross unrealized gains	28,000	0
Available-for-sale, gross unrealized losses	(6,321,000)	(17,420,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	36,139,000	136,269,000
MBS pass-through securities issued by FHLMC, FNMA and GNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	30,498,000	77,680,000
Available-for-sale, gross unrealized gains	2,000	2,000
Available-for-sale, gross unrealized losses	(4,840,000)	(9,168,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	25,660,000	68,514,000
SBA-backed securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	331,000	21,126,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(23,000)	(1,655,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	308,000	19,471,000
Debentures of government sponsored agencies
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	8,971,000	73,899,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(1,761,000)	(7,037,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	7,210,000	66,862,000
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	12,020,000	11,923,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(1,205,000)	(1,300,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	10,815,000	10,623,000
Obligations of state and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	96,178,000	102,202,000
Available-for-sale, gross unrealized gains	0	1,000
Available-for-sale, gross unrealized losses	(12,464,000)	(10,321,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	83,714,000	91,882,000
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	6,000,000	11,992,000
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(351,000)	(1,274,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	$ 5,649,000	$ 10,718,000

Investment Securities - Schedule of Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Held-to-maturity Securities, Amortized Cost
Within one year	$ 36,476	$ 0
After one but within five years	118,590	87,887
After five years through ten years	229,040	304,976
After ten years	495,093	532,335
Net Carrying Amount	879,199	925,198
Held-to-maturity Securities, Fair Value
Within one year	36,380	0
After one but within five years	110,857	84,541
After five years through ten years	191,328	261,654
After ten years	424,970	468,635
Total	763,535	814,830
Available-for-sale Securities, Amortized Cost
Within one year	99,431	101
After one but within five years	106,986	226,669
After five years through ten years	75,429	95,552
After ten years	137,446	291,157
Total	419,292	613,479
Available-for-sale Securities, Fair Value
Within one year	99,258	100
After one but within five years	103,058	208,444
After five years through ten years	67,940	85,447
After ten years	117,278	258,037
Total	$ 387,534	$ 552,028

Investment Securities - Schedule of Sale of Investment Securities and Gross Gains and Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Available-for-sale:
Sales proceeds	$ 292,621	$ 205,795	$ 10,664
Gross realized gains	0	5	17
Gross realized losses	(32,541)	(8,705)	(80)
Sale of equity securities:
Sales proceeds	0	2,807	0
Gross realized gain	$ 0	$ 2,807	$ 0

Investment Securities - Schedule of Pledged and Transferred Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	$ 941,122	$ 938,959
State of California
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	290,564	288,664
Public deposits
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	288,385	287,436
Trust deposits
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	1,284	666
Internal checking account
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	895	562
Bankruptcy trustee deposits
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	651	1,151
Pledged to FHLB Securities-Backed Credit Program
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	284,148	383,484
Pledged to the Federal Reserve Discount Window
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	365,759	0
FRBSF short-term borrowings under the BTFP
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	$ 0	$ 265,660

Investment Securities - Schedule of Unrealized Loss Positions (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	$ 27,496	$ 62,124
Greater than or equal to 12 continuous months	736,039	738,690
Total Securities in a loss position	763,535	800,814
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	(1,817)	(676)
Greater than or equal to 12 continuous months	(113,847)	(109,767)
Held-to-maturity, gross unrealized losses	(115,664)	(110,443)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	129,409	1,901
Available-for-sale, greater than 12 continuous months, fair value	225,006	549,289
Available-for-sale, total securities in a loss position, fair value	354,415	551,190
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	(343)	(8)
Available-for-sale, greater than 12 continuous months, unrealized loss	(31,599)	(61,446)
Available-for-sale, total securities in a loss position, unrealized loss	(31,942)	(61,454)
Marketable Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Marketable securities, less than 12 continuous months, fair value	156,905	64,025
Marketable securities, greater than 12 continuous months, fair value	961,045	1,287,979
Marketable securities, total securities in a loss position, fair value	1,117,950	1,352,004
Marketable Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Marketable securities, less than 12 continuous months, unrealized loss	(2,160)	(684)
Marketable securities, greater than 12 continuous months, unrealized loss	(145,446)	(171,213)
Marketable securities, total securities in a loss position, unrealized loss	(147,606)	(171,897)
CMBS issued by FHLMC, FNMA and GNMA
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	0	10,988
Greater than or equal to 12 continuous months	208,110	201,383
Total Securities in a loss position	208,110	212,371
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	0	(244)
Greater than or equal to 12 continuous months	(34,449)	(34,826)
Held-to-maturity, gross unrealized losses	(34,449)	(35,070)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	129,402	1,235
Available-for-sale, greater than 12 continuous months, fair value	58,065	146,454
Available-for-sale, total securities in a loss position, fair value	187,467	147,689
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	(343)	(7)
Available-for-sale, greater than 12 continuous months, unrealized loss	(4,634)	(13,272)
Available-for-sale, total securities in a loss position, unrealized loss	(4,977)	(13,279)
CMOs issued by FHLMC, FNMA and GNMA
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	18,451	51,136
Greater than or equal to 12 continuous months	172,805	156,515
Total Securities in a loss position	191,256	207,651
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	(1,623)	(432)
Greater than or equal to 12 continuous months	(16,869)	(16,451)
Held-to-maturity, gross unrealized losses	(18,492)	(16,883)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	0	0
Available-for-sale, greater than 12 continuous months, fair value	33,749	136,269
Available-for-sale, total securities in a loss position, fair value	33,749	136,269
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	0	0
Available-for-sale, greater than 12 continuous months, unrealized loss	(6,321)	(17,420)
Available-for-sale, total securities in a loss position, unrealized loss	(6,321)	(17,420)
MBS pass-through securities issued by FHLMC, FNMA and GNMA
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	3,487	0
Greater than or equal to 12 continuous months	157,959	181,656
Total Securities in a loss position	161,446	181,656
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	(150)	0
Greater than or equal to 12 continuous months	(30,792)	(27,326)
Held-to-maturity, gross unrealized losses	(30,942)	(27,326)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	7	0
Available-for-sale, greater than 12 continuous months, fair value	25,495	68,237
Available-for-sale, total securities in a loss position, fair value	25,502	68,237
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	0	0
Available-for-sale, greater than 12 continuous months, unrealized loss	(4,840)	(9,168)
Available-for-sale, total securities in a loss position, unrealized loss	(4,840)	(9,168)
SBA-backed securities
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	0	0
Greater than or equal to 12 continuous months	1,452	1,763
Total Securities in a loss position	1,452	1,763
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	0	0
Greater than or equal to 12 continuous months	(61)	(90)
Held-to-maturity, gross unrealized losses	(61)	(90)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	0	0
Available-for-sale, greater than 12 continuous months, fair value	309	19,471
Available-for-sale, total securities in a loss position, fair value	309	19,471
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	0	0
Available-for-sale, greater than 12 continuous months, unrealized loss	(23)	(1,655)
Available-for-sale, total securities in a loss position, unrealized loss	(23)	(1,655)
Debentures of government sponsored agencies
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	0	0
Greater than or equal to 12 continuous months	118,737	124,132
Total Securities in a loss position	118,737	124,132
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	0	0
Greater than or equal to 12 continuous months	(22,694)	(21,994)
Held-to-maturity, gross unrealized losses	(22,694)	(21,994)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	0	0
Available-for-sale, greater than 12 continuous months, fair value	7,210	66,862
Available-for-sale, total securities in a loss position, fair value	7,210	66,862
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	0	0
Available-for-sale, greater than 12 continuous months, unrealized loss	(1,761)	(7,037)
Available-for-sale, total securities in a loss position, unrealized loss	(1,761)	(7,037)
Obligations of state and political subdivisions
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	5,558	0
Greater than or equal to 12 continuous months	47,661	44,437
Total Securities in a loss position	53,219	44,437
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	(44)	0
Greater than or equal to 12 continuous months	(8,297)	(7,884)
Held-to-maturity, gross unrealized losses	(8,341)	(7,884)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	0	666
Available-for-sale, greater than 12 continuous months, fair value	83,714	90,655
Available-for-sale, total securities in a loss position, fair value	83,714	91,321
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	0	(1)
Available-for-sale, greater than 12 continuous months, unrealized loss	(12,464)	(10,320)
Available-for-sale, total securities in a loss position, unrealized loss	(12,464)	(10,321)
U.S. Treasury securities
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	0	0
Available-for-sale, greater than 12 continuous months, fair value	10,815	10,623
Available-for-sale, total securities in a loss position, fair value	10,815	10,623
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	0	0
Available-for-sale, greater than 12 continuous months, unrealized loss	(1,205)	(1,300)
Available-for-sale, total securities in a loss position, unrealized loss	(1,205)	(1,300)
Corporate bonds
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	0	0
Greater than or equal to 12 continuous months	29,315	28,804
Total Securities in a loss position	29,315	28,804
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	0	0
Greater than or equal to 12 continuous months	(685)	(1,196)
Held-to-maturity, gross unrealized losses	(685)	(1,196)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	0	0
Available-for-sale, greater than 12 continuous months, fair value	5,649	10,718
Available-for-sale, total securities in a loss position, fair value	5,649	10,718
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	0	0
Available-for-sale, greater than 12 continuous months, unrealized loss	(351)	(1,274)
Available-for-sale, total securities in a loss position, unrealized loss	$ (351)	(1,274)
Asset-backed securities
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value		0
Available-for-sale, greater than 12 continuous months, fair value		0
Available-for-sale, total securities in a loss position, fair value		0
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss		0
Available-for-sale, greater than 12 continuous months, unrealized loss		0
Available-for-sale, total securities in a loss position, unrealized loss		$ 0

Investment Securities - Non-Marketable Securities Included in Other Assets Narrative (Details) - USD ($)		12 Months Ended
	Jul. 13, 2023	Dec. 31, 2024	Dec. 31, 2023	Feb. 20, 2025	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Federal home loan bank stock, par value (in dollars per share)		$ 100
Investments in low income housing tax credit funds		$ 1,600,000	$ 2,000,000.0
Low income housing tax credits and other tax benefits		525,000
Low income housing amortization expense		438,000
Unfunded commitments for low income housing tax credit funds		338,000
Impairment losses		$ 0	$ 0
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration]			Payment for Acquisition, Real Estate, Held-for-Investment
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration]		Payment for Acquisition, Real Estate, Held-for-Investment
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration]		Payment for Acquisition, Real Estate, Held-for-Investment
Subsequent event
Schedule of Equity Method Investments [Line Items]
Federal home loan bank, dividend rate percentage				8.75%
Visa Inc. Class B common stock
Schedule of Equity Method Investments [Line Items]
Equity securities, FV-NI gain	$ 2,800,000
Visa Inc. Class B common stock
Schedule of Equity Method Investments [Line Items]
Number of shares of securities carried at cost (in shares)					10,439
Carrying value of securities carried at cost		$ 0
Other assets
Schedule of Equity Method Investments [Line Items]
Federal home loan bank stock		$ 16,700,000	$ 16,700,000

Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	$ 2,083,256	$ 2,073,720
Allowance for credit losses on loans	(30,656)	(25,172)	$ (22,983)	$ (23,023)
Total loans, net of allowance for credit losses on loans	2,052,600	2,048,548
Financing receivable, unamortized loan fee	2,500	2,700
Unrecognized purchase discounts on non-PCI loans	1,100	2,000
Financing receivable, accrued interest, net	$ 6,800	$ 6,600
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest receivable and other assets	Interest receivable and other assets
Commercial and industrial \| Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	$ 152,263	$ 153,750
Allowance for credit losses on loans	(1,576)	(1,712)	(1,794)	(1,709)
Commercial real estate loans \| Commercial owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	321,962	333,181
Allowance for credit losses on loans	(2,361)	(2,476)	(2,487)	(2,776)
Commercial real estate loans \| Commercial non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	1,273,596	1,219,385
Allowance for credit losses on loans	(22,093)	(14,933)	(12,676)	(12,739)
Commercial real estate loans \| Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	36,970	99,164
Allowance for credit losses on loans	(638)	(1,832)	(1,937)	(1,653)
Residential loans \| Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	88,325	82,087
Allowance for credit losses on loans	(684)	(552)	(558)	(595)
Residential loans \| Other residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	143,207	118,508
Allowance for credit losses on loans	(1,141)	(653)	(595)	(644)
Installment and other consumer \| Installment and other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	66,933	67,645
Allowance for credit losses on loans	$ (908)	$ (976)	$ (868)	$ (621)

Loans and Allowance for Credit Losses on Loans - Concentrations of Credit Narrative (Details)	Dec. 31, 2024	Dec. 31, 2023
Commercial real estate loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Percentage of loans by class to all loans	77.00%	75.00%
Loans secured by real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Percentage of loans by class to all loans	89.00%	90.00%

Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Risk Grade and Origination Year (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	$ 241,182	$ 183,397
Financing receivable, originated, year two	132,158	291,859
Financing receivable, originated, year three	263,469	320,078
Financing receivable, originated, year four	286,656	264,689
Financing receivable, originated, year five	251,574	239,856
Prior	731,202	610,122
Revolving Loans Amortized Cost	177,015	163,719
Total	2,083,256	2,073,720
Gross current period charge-offs, originated, year one	0
Gross current period charge-offs, originated, year two	(14)
Gross current period charge-offs, originated, year three	0
Gross current period charge-offs, originated, year four	(39)
Gross current period charge-offs, originated, year five	0
Gross current period charge-offs, originated, prior	(1)
Gross current period charge-offs, originated, Revolving Loans Amortized Cost	(45)
Gross current period charge-offs, originated, total	(99)	(441)	$ (32)
Pass and Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	214,779	168,498
Financing receivable, originated, year two	131,283	282,068
Financing receivable, originated, year three	255,830	292,740
Financing receivable, originated, year four	263,355	252,093
Financing receivable, originated, year five	250,036	222,217
Prior	645,628	534,401
Revolving Loans Amortized Cost	168,325	154,208
Total	1,929,236	1,906,225
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	26,403	14,021
Financing receivable, originated, year two	378	7,288
Financing receivable, originated, year three	2,736	25,134
Financing receivable, originated, year four	20,967	12,596
Financing receivable, originated, year five	1,538	16,328
Prior	49,608	50,504
Revolving Loans Amortized Cost	7,286	9,300
Total	108,916	135,171
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	878
Financing receivable, originated, year two	497	2,503
Financing receivable, originated, year three	4,903	2,204
Financing receivable, originated, year four	2,334	0
Financing receivable, originated, year five	0	1,311
Prior	35,966	25,217
Revolving Loans Amortized Cost	1,404	211
Total	45,104	32,324
Commercial and industrial \| Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	10,549	25,615
Financing receivable, originated, year two	20,282	9,187
Financing receivable, originated, year three	10,535	2,970
Financing receivable, originated, year four	1,371	3,718
Financing receivable, originated, year five	2,655	16,773
Prior	27,708	23,701
Revolving Loans Amortized Cost	79,163	71,786
Total	152,263	153,750
Gross current period charge-offs, originated, year one	0
Gross current period charge-offs, originated, year two	0
Gross current period charge-offs, originated, year three	0
Gross current period charge-offs, originated, year four	0
Gross current period charge-offs, originated, year five	0
Gross current period charge-offs, originated, prior	0
Gross current period charge-offs, originated, Revolving Loans Amortized Cost	(41)
Gross current period charge-offs, originated, total	(41)	(11)	(9)
Commercial and industrial \| Commercial and industrial \| Pass and Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	9,951	25,615
Financing receivable, originated, year two	20,282	9,187
Financing receivable, originated, year three	7,742	2,970
Financing receivable, originated, year four	1,371	3,718
Financing receivable, originated, year five	2,650	15,128
Prior	27,487	21,004
Revolving Loans Amortized Cost	71,212	62,486
Total	140,695	140,108
Commercial and industrial \| Commercial and industrial \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	598	0
Financing receivable, originated, year two	0	0
Financing receivable, originated, year three	0	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	5	334
Prior	221	0
Revolving Loans Amortized Cost	7,286	9,300
Total	8,110	9,634
Commercial and industrial \| Commercial and industrial \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	0
Financing receivable, originated, year two	0	0
Financing receivable, originated, year three	2,793	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	0	1,311
Prior	0	2,697
Revolving Loans Amortized Cost	665	0
Total	3,458	4,008
Commercial real estate loans \| Commercial owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	14,638	14,559
Financing receivable, originated, year two	13,764	48,537
Financing receivable, originated, year three	45,491	65,523
Financing receivable, originated, year four	63,406	38,528
Financing receivable, originated, year five	41,964	41,280
Prior	142,530	124,698
Revolving Loans Amortized Cost	169	56
Total	321,962	333,181
Gross current period charge-offs, originated, total	0	(406)	0
Commercial real estate loans \| Commercial owner-occupied \| Pass and Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	14,638	13,128
Financing receivable, originated, year two	13,386	41,808
Financing receivable, originated, year three	43,381	49,887
Financing receivable, originated, year four	44,536	37,708
Financing receivable, originated, year five	41,160	40,994
Prior	130,197	114,018
Revolving Loans Amortized Cost	169	56
Total	287,467	297,599
Commercial real estate loans \| Commercial owner-occupied \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	1,431
Financing receivable, originated, year two	378	4,498
Financing receivable, originated, year three	0	15,636
Financing receivable, originated, year four	18,870	820
Financing receivable, originated, year five	804	286
Prior	9,499	8,902
Revolving Loans Amortized Cost	0	0
Total	29,551	31,573
Commercial real estate loans \| Commercial owner-occupied \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	0
Financing receivable, originated, year two	0	2,231
Financing receivable, originated, year three	2,110	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	0	0
Prior	2,834	1,778
Revolving Loans Amortized Cost	0	0
Total	4,944	4,009
Commercial real estate loans \| Commercial real estate, non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	137,396	77,596
Financing receivable, originated, year two	65,403	175,090
Financing receivable, originated, year three	165,540	208,042
Financing receivable, originated, year four	200,885	162,607
Financing receivable, originated, year five	179,789	155,568
Prior	515,405	430,650
Revolving Loans Amortized Cost	9,178	9,832
Total	1,273,596	1,219,385
Gross current period charge-offs, originated, total	0	0	0
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Pass and Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	119,053	76,718
Financing receivable, originated, year two	64,906	172,028
Financing receivable, originated, year three	162,804	196,340
Financing receivable, originated, year four	196,661	150,831
Financing receivable, originated, year five	179,060	139,860
Prior	442,574	368,675
Revolving Loans Amortized Cost	9,178	9,832
Total	1,174,236	1,114,284
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	18,343	0
Financing receivable, originated, year two	0	2,790
Financing receivable, originated, year three	2,736	9,498
Financing receivable, originated, year four	2,097	11,776
Financing receivable, originated, year five	729	15,708
Prior	39,888	41,602
Revolving Loans Amortized Cost	0	0
Total	63,793	81,374
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	878
Financing receivable, originated, year two	497	272
Financing receivable, originated, year three	0	2,204
Financing receivable, originated, year four	2,127	0
Financing receivable, originated, year five	0	0
Prior	32,943	20,373
Revolving Loans Amortized Cost	0	0
Total	35,567	23,727
Commercial real estate loans \| Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	25,590	25,728
Financing receivable, originated, year two	0	24,403
Financing receivable, originated, year three	11,380	19,521
Financing receivable, originated, year four	0	29,512
Financing receivable, originated, year five	0	0
Prior	0	0
Revolving Loans Amortized Cost	0	0
Total	36,970	99,164
Gross current period charge-offs, originated, total	0	0	0
Commercial real estate loans \| Construction \| Pass and Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	18,128	13,138
Financing receivable, originated, year two	0	24,403
Financing receivable, originated, year three	11,380	19,521
Financing receivable, originated, year four	0	29,512
Financing receivable, originated, year five	0	0
Prior	0	0
Revolving Loans Amortized Cost	0	0
Total	29,508	86,574
Commercial real estate loans \| Construction \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	7,462	12,590
Financing receivable, originated, year two	0	0
Financing receivable, originated, year three	0	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	0	0
Prior	0	0
Revolving Loans Amortized Cost	0	0
Total	7,462	12,590
Residential loans \| Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	94	0
Financing receivable, originated, year two	13	0
Financing receivable, originated, year three	0	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	0	0
Prior	1,142	1,103
Revolving Loans Amortized Cost	87,076	80,984
Total	88,325	82,087
Gross current period charge-offs, originated, total	0	0	0
Residential loans \| Home equity \| Pass and Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	94	0
Financing receivable, originated, year two	13	0
Financing receivable, originated, year three	0	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	0	0
Prior	968	734
Revolving Loans Amortized Cost	86,337	80,773
Total	87,412	81,507
Residential loans \| Home equity \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	0
Financing receivable, originated, year two	0	0
Financing receivable, originated, year three	0	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	0	0
Prior	174	369
Revolving Loans Amortized Cost	739	211
Total	913	580
Residential loans \| Other residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	35,390	17,861
Financing receivable, originated, year two	17,267	20,114
Financing receivable, originated, year three	19,682	13,390
Financing receivable, originated, year four	12,989	25,637
Financing receivable, originated, year five	24,378	20,935
Prior	33,501	20,571
Revolving Loans Amortized Cost	0	0
Total	143,207	118,508
Gross current period charge-offs, originated, total	0	0	0
Residential loans \| Other residential \| Pass and Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	35,390	17,861
Financing receivable, originated, year two	17,267	20,114
Financing receivable, originated, year three	19,682	13,390
Financing receivable, originated, year four	12,989	25,637
Financing receivable, originated, year five	24,378	20,935
Prior	33,501	20,571
Revolving Loans Amortized Cost	0	0
Total	143,207	118,508
Installment and other consumer \| Installment and other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	17,525	22,038
Financing receivable, originated, year two	15,429	14,528
Financing receivable, originated, year three	10,841	10,632
Financing receivable, originated, year four	8,005	4,687
Financing receivable, originated, year five	2,788	5,300
Prior	10,916	9,399
Revolving Loans Amortized Cost	1,429	1,061
Total	66,933	67,645
Gross current period charge-offs, originated, year one	0
Gross current period charge-offs, originated, year two	(14)
Gross current period charge-offs, originated, year three	0
Gross current period charge-offs, originated, year four	(39)
Gross current period charge-offs, originated, year five	0
Gross current period charge-offs, originated, prior	(1)
Gross current period charge-offs, originated, Revolving Loans Amortized Cost	(4)
Gross current period charge-offs, originated, total	(58)	(24)	$ (23)
Installment and other consumer \| Installment and other consumer loans \| Pass and Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	17,525	22,038
Financing receivable, originated, year two	15,429	14,528
Financing receivable, originated, year three	10,841	10,632
Financing receivable, originated, year four	7,798	4,687
Financing receivable, originated, year five	2,788	5,300
Prior	10,901	9,399
Revolving Loans Amortized Cost	1,429	1,061
Total	66,711	$ 67,645
Installment and other consumer \| Installment and other consumer loans \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0
Financing receivable, originated, year two	0
Financing receivable, originated, year three	0
Financing receivable, originated, year four	207
Financing receivable, originated, year five	0
Prior	15
Revolving Loans Amortized Cost	0
Total	$ 222

Loans and Allowance for Credit Losses on Loans - Loans Outstanding and Aging Analysis (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) loan	Dec. 31, 2023 USD ($) loan	Dec. 31, 2022 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	$ 2,083,256,000	$ 2,073,720,000
Number of loans past due more than 90 days still accruing \| loan	0	0
Financing receivable, nonaccrual, earning interest on cash basis	$ 0	$ 0
Nonaccrual interest income	0	0	$ 0
Nonaccrual interest income reversal	530,000	206,000	$ 48,000
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	2,083,256,000	2,073,720,000
Non-accrual loans	33,881,000	7,992,000
Non-accrual loans with no allowance	2,993,000	3,091,000
Total past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	16,938,000	7,664,000
30-59 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	2,282,000	3,930,000
60-89 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	752,000	2,274,000
90 days or more past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	13,904,000	1,460,000
Current \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	2,066,318,000	2,066,056,000
Commercial and industrial \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	152,263,000	153,750,000
Commercial and industrial \| Commercial and industrial \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	152,263,000	153,750,000
Non-accrual loans	2,845,000	4,008,000
Non-accrual loans with no allowance	0	1,311,000
Commercial and industrial \| Commercial and industrial \| Total past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	2,996,000	4,371,000
Commercial and industrial \| Commercial and industrial \| 30-59 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	203,000	2,991,000
Commercial and industrial \| Commercial and industrial \| 60-89 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	69,000
Commercial and industrial \| Commercial and industrial \| 90 days or more past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	2,793,000	1,311,000
Commercial and industrial \| Commercial and industrial \| Current \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	149,267,000	149,379,000
Commercial real estate loans \| Commercial owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	321,962,000	333,181,000
Commercial real estate loans \| Commercial owner-occupied \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	321,962,000	333,181,000
Non-accrual loans	1,537,000	434,000
Non-accrual loans with no allowance	1,537,000	434,000
Commercial real estate loans \| Commercial owner-occupied \| Total past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	880,000	767,000
Commercial real estate loans \| Commercial owner-occupied \| 30-59 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	208,000	618,000
Commercial real estate loans \| Commercial owner-occupied \| 60-89 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	559,000	0
Commercial real estate loans \| Commercial owner-occupied \| 90 days or more past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	113,000	149,000
Commercial real estate loans \| Commercial owner-occupied \| Current \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	321,082,000	332,414,000
Commercial real estate loans \| Commercial real estate, non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	1,273,596,000	1,219,385,000
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	1,273,596,000	1,219,385,000
Non-accrual loans	28,525,000	3,081,000
Non-accrual loans with no allowance	497,000	877,000
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Total past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	11,460,000	2,204,000
Commercial real estate loans \| Commercial real estate, non-owner occupied \| 30-59 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	718,000	0
Commercial real estate loans \| Commercial real estate, non-owner occupied \| 60-89 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	2,204,000
Commercial real estate loans \| Commercial real estate, non-owner occupied \| 90 days or more past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	10,742,000	0
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Current \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	1,262,136,000	1,217,181,000
Commercial real estate loans \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	36,970,000	99,164,000
Commercial real estate loans \| Construction \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	36,970,000	99,164,000
Non-accrual loans	0	0
Non-accrual loans with no allowance	0	0
Commercial real estate loans \| Construction \| Total past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	0
Commercial real estate loans \| Construction \| 30-59 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	0
Commercial real estate loans \| Construction \| 60-89 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	0
Commercial real estate loans \| Construction \| 90 days or more past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	0
Commercial real estate loans \| Construction \| Current \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	36,970,000	99,164,000
Residential loans \| Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	88,325,000	82,087,000
Residential loans \| Home equity \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	88,325,000	82,087,000
Non-accrual loans	752,000	469,000
Non-accrual loans with no allowance	752,000	469,000
Residential loans \| Home equity \| Total past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	1,172,000	43,000
Residential loans \| Home equity \| 30-59 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	738,000	43,000
Residential loans \| Home equity \| 60-89 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	186,000	0
Residential loans \| Home equity \| 90 days or more past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	248,000	0
Residential loans \| Home equity \| Current \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	87,153,000	82,044,000
Residential loans \| Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	143,207,000	118,508,000
Residential loans \| Other residential \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	143,207,000	118,508,000
Non-accrual loans	0	0
Non-accrual loans with no allowance	0	0
Residential loans \| Other residential \| Total past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	83,000
Residential loans \| Other residential \| 30-59 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	83,000
Residential loans \| Other residential \| 60-89 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	0
Residential loans \| Other residential \| 90 days or more past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	0	0
Residential loans \| Other residential \| Current \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	143,207,000	118,425,000
Installment and other consumer \| Installment and other consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	66,933,000	67,645,000
Installment and other consumer \| Installment and other consumer loans \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	66,933,000	67,645,000
Non-accrual loans	222,000	0
Non-accrual loans with no allowance	207,000	0
Installment and other consumer \| Installment and other consumer loans \| Total past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	430,000	196,000
Installment and other consumer \| Installment and other consumer loans \| 30-59 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	415,000	195,000
Installment and other consumer \| Installment and other consumer loans \| 60-89 days past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	7,000	1,000
Installment and other consumer \| Installment and other consumer loans \| 90 days or more past due \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	8,000	0
Installment and other consumer \| Installment and other consumer loans \| Current \| Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at amortized cost	$ 66,503,000	$ 67,449,000

Loans and Allowance for Credit Losses on Loans - Schedule of Collateral-Dependent Non-Accrual Loans (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	$ 30,656,000	$ 25,172,000	$ 22,983,000	$ 23,023,000
Nonaccrual collateral dependent loans in process of foreclosure	$ 0	$ 0
Weighted average ratio of loans value to collateral dependent loans value	115.00%	70.00%
Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 31,088,000	$ 5,295,000
Allowance for credit losses	8,000,000	408,000
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	30,114,000	4,826,000
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	752,000	469,000
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	222,000	0
Commercial and industrial \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	1,576,000	1,712,000	1,794,000	1,709,000
Commercial and industrial \| Commercial and industrial \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	52,000	1,311,000
Allowance for credit losses	52,000	0
Commercial and industrial \| Commercial and industrial \| Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	52,000	1,311,000
Commercial and industrial \| Commercial and industrial \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0	0
Commercial and industrial \| Commercial and industrial \| Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0	0
Commercial real estate loans \| Commercial owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	2,361,000	2,476,000	2,487,000	2,776,000
Commercial real estate loans \| Commercial owner-occupied \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,537,000	434,000
Allowance for credit losses	0	0
Commercial real estate loans \| Commercial owner-occupied \| Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,537,000	434,000
Commercial real estate loans \| Commercial owner-occupied \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0	0
Commercial real estate loans \| Commercial owner-occupied \| Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0	0
Commercial real estate loans \| Commercial real estate, non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	22,093,000	14,933,000	12,676,000	12,739,000
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	28,525,000	3,081,000
Allowance for credit losses	7,933,000	408,000
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	28,525,000	3,081,000
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0	0
Commercial real estate loans \| Commercial real estate, non-owner occupied \| Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0	0
Commercial real estate loans \| Installment and other consumer loans \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	222,000
Allowance for credit losses	15,000
Commercial real estate loans \| Installment and other consumer loans \| Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0
Commercial real estate loans \| Installment and other consumer loans \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans
Commercial real estate loans \| Installment and other consumer loans \| Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	222,000
Home equity \| Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	684,000	552,000	$ 558,000	$ 595,000
Home equity \| Home equity \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	752,000	469,000
Allowance for credit losses	0	0
Home equity \| Home equity \| Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	0	0
Home equity \| Home equity \| Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	752,000	469,000
Home equity \| Home equity \| Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	$ 0	$ 0

Loans and Allowance for Credit Losses on Loans - Schedule of Amortized Cost of Loans Modified (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	$ 188	$ 2,309
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	188	2,309
Total Modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	188	2,309
Residential loans \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	188
Residential loans \| Home equity \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	188
Residential loans \| Home equity \| Total Modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	$ 188
Percent of Portfolio Class Total	0.20%
Commercial and industrial \| Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		1,431
Commercial and industrial \| Commercial owner-occupied \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		1,431
Commercial and industrial \| Commercial owner-occupied \| Total Modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		$ 1,431
Percent of Portfolio Class Total		0.40%
Commercial and industrial \| Commercial non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		$ 878
Commercial and industrial \| Commercial non-owner occupied \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		878
Commercial and industrial \| Commercial non-owner occupied \| Total Modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		$ 878
Percent of Portfolio Class Total		0.10%

Loans and Allowance for Credit Losses on Loans - Schedule of Financial Effect of Loan Modifications (Details) - Term Extension	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2024
Residential loans \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in years)		6 years 7 months 6 days
Commercial and industrial \| Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in years)	2 years 3 months 18 days
Commercial and industrial \| Commercial non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in years)	6 months

Loans and Allowance for Credit Losses on Loans - Schedule of Amortized Cost and Payment Status of Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	$ 188	$ 2,309
Non-Accrual	113	878
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	188	2,309
30-59 days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
60-89 days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
90 days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0	0
Residential loans \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	188
Non-Accrual	113
Residential loans \| Home equity \| Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	188
Residential loans \| Home equity \| 30-59 days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0
Residential loans \| Home equity \| 60-89 days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	0
Residential loans \| Home equity \| 90 days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications	$ 0
Commercial and industrial \| Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		1,431
Non-Accrual		0
Commercial and industrial \| Commercial owner-occupied \| Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		1,431
Commercial and industrial \| Commercial owner-occupied \| 30-59 days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		0
Commercial and industrial \| Commercial owner-occupied \| 60-89 days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		0
Commercial and industrial \| Commercial owner-occupied \| 90 days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		0
Commercial and industrial \| Commercial non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		878
Non-Accrual		878
Commercial and industrial \| Commercial non-owner occupied \| Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		878
Commercial and industrial \| Commercial non-owner occupied \| 30-59 days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		0
Commercial and industrial \| Commercial non-owner occupied \| 60-89 days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		0
Commercial and industrial \| Commercial non-owner occupied \| 90 days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Modifications		$ 0

Loans and Allowance for Credit Losses on Loans - Schedule of Allocation of the Allowance for Credit Losses on Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	$ 30,656	$ 25,172	$ 22,983	$ 23,023
Commercial and industrial \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,576	1,712	1,794	1,709
Commercial real estate loans \| Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	2,361	2,476	2,487	2,776
Commercial real estate loans \| Commercial real estate, non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	22,093	14,933	12,676	12,739
Commercial real estate loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	638	1,832	1,937	1,653
Residential loans \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	684	552	558	595
Residential loans \| Other residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,141	653	595	644
Installment and other consumer \| Installment and other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	908	976	868	621
Unallocated
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,255	2,038	$ 2,068	$ 2,286
Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	12,051	11,467
Modeled expected credit losses \| Commercial and industrial \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	759	897
Modeled expected credit losses \| Commercial real estate loans \| Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,241	1,270
Modeled expected credit losses \| Commercial real estate loans \| Commercial real estate, non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	7,632	7,380
Modeled expected credit losses \| Commercial real estate loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	41	185
Modeled expected credit losses \| Residential loans \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	620	482
Modeled expected credit losses \| Residential loans \| Other residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,133	619
Modeled expected credit losses \| Installment and other consumer \| Installment and other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	625	634
Modeled expected credit losses \| Unallocated
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0	0
Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	10,512	12,284
Qualitative adjustments \| Commercial and industrial \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	672	622
Qualitative adjustments \| Commercial real estate loans \| Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,120	1,205
Qualitative adjustments \| Commercial real estate loans \| Commercial real estate, non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	6,528	6,327
Qualitative adjustments \| Commercial real estate loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	597	1,647
Qualitative adjustments \| Residential loans \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	64	70
Qualitative adjustments \| Residential loans \| Other residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	8	33
Qualitative adjustments \| Installment and other consumer \| Installment and other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	268	342
Qualitative adjustments \| Unallocated
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,255	2,038
Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	8,093	1,421
Specific allocations \| Commercial and industrial \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	145	193
Specific allocations \| Commercial real estate loans \| Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0	1
Specific allocations \| Commercial real estate loans \| Commercial real estate, non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	7,933	1,226
Specific allocations \| Commercial real estate loans \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0	0
Specific allocations \| Residential loans \| Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0	0
Specific allocations \| Residential loans \| Other residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0	1
Specific allocations \| Installment and other consumer \| Installment and other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	15	0
Specific allocations \| Unallocated
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	$ 0	$ 0

Loans and Allowance for Credit Losses on Loans - Allocation of the Allowance for Credit Losses on Loans Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable allowance increase	$ 5.5
Specific allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable allowance increase	6.7
Commercial non-owner occupied \| Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable allowance, current	16.7
Commercial non-owner occupied \| Commercial and industrial \| Specific allocations
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable allowance increase	$ 5.2

Loans and Allowance for Credit Losses on Loans - Schedule of Allowance for Credit Losses on Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 25,172	$ 22,983	$ 23,023
(Reversal) provision	5,550	2,575	(63)
(Charge-offs)	(99)	(441)	(32)
Recoveries	33	55	55
Ending balance	30,656	25,172	22,983
Commercial and industrial \| Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,712	1,794	1,709
(Reversal) provision	(116)	(100)	72
(Charge-offs)	(41)	(11)	(9)
Recoveries	21	29	22
Ending balance	1,576	1,712	1,794
Commercial real estate loans \| Commercial owner-occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,476	2,487	2,776
(Reversal) provision	(115)	395	(289)
(Charge-offs)	0	(406)	0
Recoveries	0	0	0
Ending balance	2,361	2,476	2,487
Commercial real estate loans \| Commercial real estate, non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	14,933	12,676	12,739
(Reversal) provision	7,152	2,257	(63)
(Charge-offs)	0	0	0
Recoveries	8	0	0
Ending balance	22,093	14,933	12,676
Commercial real estate loans \| Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,832	1,937	1,653
(Reversal) provision	(1,194)	(130)	251
(Charge-offs)	0	0	0
Recoveries	0	25	33
Ending balance	638	1,832	1,937
Residential loans \| Home equity
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	552	558	595
(Reversal) provision	132	(6)	(37)
(Charge-offs)	0	0	0
Recoveries	0	0	0
Ending balance	684	552	558
Residential loans \| Other residential
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	653	595	644
(Reversal) provision	488	58	(49)
(Charge-offs)	0	0	0
Recoveries	0	0	0
Ending balance	1,141	653	595
Installment and other consumer \| Installment and other consumer loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	976	868	621
(Reversal) provision	(14)	131	270
(Charge-offs)	(58)	(24)	(23)
Recoveries	4	1	0
Ending balance	908	976	868
Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,038	2,068	2,286
(Reversal) provision	(783)	(30)	(218)
(Charge-offs)	0	0	0
Recoveries	0	0	0
Ending balance	$ 1,255	$ 2,038	$ 2,068

Loans and Allowance for Credit Losses on Loans - Pledged Loans Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Other residential \| Federal Reserve Bank
Financial Instruments Owned and Pledged as Collateral [Line Items]
Collateral pledged	$ 110.0	$ 110.4
Federal Home Loan Bank of San Francisco
Financial Instruments Owned and Pledged as Collateral [Line Items]
Collateral pledged	$ 1,351.0	$ 1,288.0

Loans and Allowance for Credit Losses on Loans - Related Party Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Loans and Leases Receivable, Related Parties [Roll Forward]
Balance at beginning of year	$ 5,832	$ 6,445	$ 7,942
Additions	1,425	0	1,525
Repayments	(3,125)	(613)	(364)
Reclassified due to a change in borrower status	0	0	(2,658)
Balance at end of year	$ 4,132	$ 5,832	$ 6,445

Loans and Allowance for Credit Losses on Loans - Related Party Loans Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Directors, Officers, Principal Shareholders and Associates
Related Party Transaction [Line Items]
Undisbursed commitment to related parties	$ 211	$ 212

Bank Premises and Equipment - Schedule of Bank Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Finance lease right-of-use assets	$ 616	$ 608
Subtotal	30,353	30,940
Accumulated depreciation and amortization	(23,521)	(23,148)
Bank premises and equipment, net	6,832	7,792
Leasehold improvements
Property, Plant and Equipment [Line Items]
Bank premises and equipment, gross	16,762	16,578
Furniture and equipment
Property, Plant and Equipment [Line Items]
Bank premises and equipment, gross	10,544	11,336
Buildings
Property, Plant and Equipment [Line Items]
Bank premises and equipment, gross	1,261	1,248
Land
Property, Plant and Equipment [Line Items]
Bank premises and equipment, gross	1,170	1,170
Finance lease right-of-use assets
Property, Plant and Equipment [Line Items]
Finance lease right-of-use assets	$ 616	$ 608

Bank Premises and Equipment - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Depreciation and amortization	$ 1.5	$ 2.1	$ 1.8

Bank Owned Life Insurance (Details) - USD ($)	12 Months Ended
Bank Owned Life Insurance (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Insurance [Abstract]
Estimated death benefits	$ 133,500,000
Death benefits provided under terms of the programs	71,000,000.0	$ 68,100,000
Earnings on bank-owned life insurance, net	1,714,000	1,802,000	$ 1,229,000
Proceeds in excess of the cash surrender values	$ 0	$ 313,000	$ 86,000

Deposits - Schedule of Stratification of Time Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deposits [Abstract]
Time deposits of less than or equal to $250 thousand	$ 134,068	$ 145,697
Time deposits of more than $250 thousand	108,309	105,620
Total time deposits	$ 242,377	$ 251,317

Deposits - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Deposits - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deposits [Abstract]
Interest on time accounts	$ 9,254	$ 4,715	$ 323
Held-to-maturity securities pledged as collateral	288,400
Deposit overdrafts reclassified as loan balances	393	320
Related party deposit liabilities	$ 18,000	$ 23,600

Deposits - Schedule of Time Deposit Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Scheduled time deposit maturities
2025	$ 230,203
2026	6,188
2027	2,805
2028	2,319
2029	862
Thereafter	0
Total time deposits	$ 242,377	$ 251,317

Borrowings and Other Obligations - Federal Home Loan Bank, Funds Lines of Credit and Reserve Bank (Details) - Line of Credit - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
FHLB short-term borrowings
Line of Credit Facility [Line Items]
Lines of credit	$ 948.1	$ 1,009.0
Federal Funds Purchased \| Unsecured Debt
Line of Credit Facility [Line Items]
Lines of credit	125.0	135.0
Federal Reserve Bank of San Francisco \| FRBSF short-term borrowings under the BTFP
Line of Credit Facility [Line Items]
Lines of credit	$ 358.0	64.0
Federal Reserve Bank Advances \| FRBSF short-term borrowings under the BTFP
Line of Credit Facility [Line Items]
Lines of credit		$ 270.2

Borrowings and Other Obligations - Other Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Disclosure [Abstract]
Carrying Value	$ 154	$ 298
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Carrying Value	Carrying Value

Borrowings and Other Obligations - Schedule of Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Carrying Value	$ 154	$ 298
Carrying Value	154	26,298	$ 112,439
Average Balance	$ 4,628	$ 221,623	$ 2,295
Average Rate	5.13%	5.15%	3.90%
Other obligations (finance leases)
Debt Instrument [Line Items]
Carrying Value	$ 154	$ 298	$ 439
Average Balance	$ 222	$ 364	$ 374
Average Rate	2.23%	1.88%	0.65%
Line of Credit \| Federal funds lines of credit
Debt Instrument [Line Items]
Carrying Value	$ 0	$ 0	$ 0
Average Balance	$ 0	$ 0	$ 0
Average Rate	0.00%	0.00%	0.00%
Line of Credit \| FRBSF advances - Discount Window
Debt Instrument [Line Items]
Carrying Value	$ 0	$ 0	$ 0
Average Balance	$ 2,680	$ 0	$ 0
Average Rate	5.42%	0.00%	0.00%
FHLB short-term borrowings \| Line of Credit
Debt Instrument [Line Items]
Carrying Value	$ 0	$ 0	$ 112,000
Average Balance	$ 119	$ 164,299	$ 1,921
Average Rate	5.52%	5.10%	4.48%
FHLB fixed-rate advances \| Line of Credit
Debt Instrument [Line Items]
Carrying Value	$ 0	$ 0	$ 0
Average Balance	$ 0	$ 0	$ 0
Average Rate	0.00%	0.00%	0.00%
FRBSF short-term borrowings under the BTFP \| Line of Credit
Debt Instrument [Line Items]
Carrying Value	$ 0	$ 26,000	$ 0
Average Balance	$ 1,607	$ 56,959	$ 0
Average Rate	5.00%	5.30%	0.00%

Stockholders' Equity and Stock Plans - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2017	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost for share-based payment arrangements	$ 622,000	$ 522,000	$ 962,000
Share-based compensation income tax benefit recognized	206,000	146,000	257,000
Unrecognized compensation expense	$ 800,000
Period for recognizing unrecognized compensation expense	2 years 2 months 12 days
Excess tax benefits recorded as a reduction to income tax expense	$ 0	2,000	3,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total grant-date fair value of option shares vested	$ 100,000	255,000	356,000
Stock options \| Officers and Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Expiration period of grants	10 years
Stock options \| Officers and Employees \| Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.33%
Stock options \| Officers and Employees \| Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.33%
Stock options \| Officers and Employees \| Share-Based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	33.33%
Stock options \| Non-Employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period of grants	10 years
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Restricted stock award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total grant-date fair value of option shares vested	$ 355,000	$ 428,000	$ 431,000
Minimum \| Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	0.00%
Maximum \| Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	200.00%
The Plan, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares approved to be issued in common stock (in shares)					250,000
Number of shares available for future grants under plan (in shares)	182,355
Employee Stock Purchase Plan, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future grants under plan (in shares)	370,739
Discount from closing market price at end of each quarter				5.00%
Employee Stock Purchase Plan, 2017 \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Approved payroll deduction to purchase shares, percentage				1.00%
Employee Stock Purchase Plan, 2017 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Approved payroll deduction to purchase shares, percentage				15.00%
The 2017 Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for future grants under plan (in shares)	742,785
Common Stock \| The Plan, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares awarded in period from plan (in shares)	27,287	18,362	10,145

Stockholders' Equity and Stock Plans - Schedule of Cashless Exercise Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity [Abstract]
Number of shares withheld (in shares)	3,798	3,132	11,505
Total amount withheld (in thousands)	$ 64	$ 86	$ 393
Weighted-average price (in dollars per share)	$ 16.89	$ 27.57	$ 34.13

Stockholders' Equity and Stock Plans - Schedule of Options Outstanding Rollforward (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Number of Shares
Options outstanding, beginning balance (in shares)	303,777	329,705	365,381
Granted (in shares)		10,040	39,094
Cancelled, expired or forfeited (in shares)	(25,594)	(23,804)	(23,760)
Exercised (in shares)		(12,164)	(51,010)
Options outstanding, ending balance (in shares)	278,183	303,777	329,705	365,381
Exercisable (vested), ending balance (in shares)	273,242	283,578	287,228
Weighted Average Exercise Price
Options outstanding, beginning balance (in dollars per share)	$ 33.22	$ 33.22	$ 31.97
Granted (in dollars per share)		32.54	34.16
Cancelled, expired or forfeited (in dollars per share)	29.81	35.06	37.48
Exercised (in dollars per share)		20.25	23.01
Options outstanding, ending balance (in dollars per share)	33.92	33.22	33.22	$ 31.97
Exercisable (vested), ending balance (in dollars per shares)	$ 33.92	$ 33.46	$ 32.81
Aggregate Intrinsic Value
Options outstanding, beginning balance	$ 1	$ 813	$ 2,326
Exercised		88	617
Options outstanding, ending balance	2	1	813	$ 2,326
Exercisable (vested)	$ 2	$ 1	$ 813
Weighted Average Grant-Date Fair Value
Granted (in dollars per share)		$ 8.49	$ 8.49
Weighted Average Remaining Contractual Term (in years)
Options outstanding	3 years 11 months 4 days	4 years 10 months 9 days	5 years 7 months 2 days	5 years 6 months 25 days
Exercisable (vested)	3 years 10 months 13 days	4 years 7 months 24 days	5 years 1 month 24 days

Stockholders' Equity and Stock Plans - Schedule of Options Outstanding by Price Range (Details) - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options Outstanding (in shares)	278,183	303,777	329,705	365,381
Stock Options Outstanding, Remaining Contractual Life (in years)	3 years 11 months 4 days	4 years 10 months 9 days	5 years 7 months 2 days	5 years 6 months 25 days
Weighted Average Exercise Price (in dollars per share)	$ 33.92	$ 33.22	$ 33.22	$ 31.97
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options Outstanding (in shares)	278,183
Stock Options Exercisable (in shares)	273,242
Stock options \| $10.00 - $20.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Lower Limit (in dollars per share)	$ 10.00
Range of Exercise Prices, Upper Limit (in dollars per share)	$ 20.00
Stock Options Outstanding (in shares)	402
Stock Options Outstanding, Remaining Contractual Life (in years)	2 years 1 month 6 days
Weighted Average Exercise Price (in dollars per share)	$ 19.96
Stock Options Exercisable (in shares)	402
Stock Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 19.96
Stock options \| $20.01 - $30.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Lower Limit (in dollars per share)	20.01
Range of Exercise Prices, Upper Limit (in dollars per share)	$ 30.00
Stock Options Outstanding (in shares)	60,840
Stock Options Outstanding, Remaining Contractual Life (in years)	9 months 18 days
Weighted Average Exercise Price (in dollars per share)	$ 24.98
Stock Options Exercisable (in shares)	60,840
Stock Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 24.98
Stock options \| $30.01 - $40.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Lower Limit (in dollars per share)	30.01
Range of Exercise Prices, Upper Limit (in dollars per share)	$ 40.00
Stock Options Outstanding (in shares)	159,433
Stock Options Outstanding, Remaining Contractual Life (in years)	4 years 10 months 24 days
Weighted Average Exercise Price (in dollars per share)	$ 34.41
Stock Options Exercisable (in shares)	154,492
Stock Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 34.42
Stock options \| $40.01 - $50.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, Lower Limit (in dollars per share)	40.01
Range of Exercise Prices, Upper Limit (in dollars per share)	$ 50.00
Stock Options Outstanding (in shares)	57,508
Stock Options Outstanding, Remaining Contractual Life (in years)	4 years 7 months 6 days
Weighted Average Exercise Price (in dollars per share)	$ 42.12
Stock Options Exercisable (in shares)	57,508
Stock Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 42.12

Stockholders' Equity and Stock Plans - Schedule of Non-vested Awards Activity (Details) - Restricted Stock Awards - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Number of Shares
Non-vested awards, beginning balance (in shares)	107,552	82,366	61,830
Granted (in shares)	106,964	61,978	46,672
Vested (in shares)	(20,832)	(15,768)	(12,444)
Cancelled or forfeited (in shares)	(42,396)	(21,024)	(13,692)
Non-vested awards, ending balance (in shares)	151,288	107,552	82,366
Weighted Average Grant-Date Fair Value
Non-vested awards, beginning balance (in dollars per share)	$ 30.88	$ 36.28	$ 40.25
Granted (in dollars per share)	16.61	27.10	34.03
Vested (in dollars per share)	31.76	36.24	41.49
Cancelled or forfeited (in dollars per share)	26.97	36.86	41.8
Non-vested awards, ending balance (in dollars per share)	$ 21.77	$ 30.88	$ 36.28

Stockholders' Equity and Stock Plans - Schedule of Valuation Assumptions (Details) - Stock options	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	3.94%	1.86%
Expected dividend yield on common stock	3.07%	2.85%
Expected life in years	5 years	6 years
Expected price volatility	34.68%	33.44%

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 35
-Paragraph 1D
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480483/718-10-35-1D

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 35
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480483/718-10-35-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
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-Paragraph 2
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Section 50
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Subparagraph (c)(1)(iii)
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Section 50
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-Subparagraph (c)(1)(iv)
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Section 50
-Paragraph 2
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(03)
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
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-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 16: http://www.xbrl.org/2003/role/disclosureRef
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Reference 17: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 2
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Reference 18: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Subparagraph (c)(2)(iii)(02)
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 19: http://www.xbrl.org/2003/role/disclosureRef
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Reference 20: http://www.xbrl.org/2003/role/disclosureRef
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Reference 24: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Stockholders' Equity and Stock Plans - Schedule of Dividend (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity [Abstract]
Cash dividends to common stockholders	$ 16,197	$ 16,106	$ 15,673
Cash dividends per common share (in dollars per share)	$ 1.00	$ 1.00	$ 0.98

Stockholders' Equity and Stock Plans - Dividends Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jan. 23, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Retained earnings		$ 249,964	$ 274,570
Stockholders' equity		$ 435,407	$ 439,062	$ 412,092	$ 450,368
Period used to determine amount available for payment of dividends based on restriction (in years)		3 years
Amount of retained earnings available for payment of dividends based on restriction		$ 717
Cash held		$ 10,300
Subsequent event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends declared per common share (in dollars per share)	$ 0.25

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References + Details

- Definition

Amount of accumulated undistributed earnings (deficit).

+ References + Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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+ Details

Stockholders' Equity and Stock Plans - Share Repurchases Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jul. 21, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased	$ 4,253		$ 877
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased, including commissions (in shares)	220,000	0	23,275
Stock repurchased	$ 4,253		$ 877
Stock repurchase program, authorized amount				$ 25,000
Share repurchased, average post (in dollars per share)	$ 19.21

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References + Details

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References + Details

Fair Value of Assets and Liabilities - Schedule of Recorded on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	$ 387,534	$ 552,028
SBA-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	308	19,471
Debentures of government sponsored agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	7,210	66,862
U.S. Treasury securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	10,815	10,623
Obligations of state and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	83,714	91,882
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	5,649	10,718
Carrying Value \| Assets and liabilities at fair value measured on a recurring basis \| Commercial mortgage-back securities, mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	279,838	352,472
Carrying Value \| Assets and liabilities at fair value measured on a recurring basis \| SBA-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	308	19,471
Carrying Value \| Assets and liabilities at fair value measured on a recurring basis \| Debentures of government sponsored agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	7,210	66,862
Carrying Value \| Assets and liabilities at fair value measured on a recurring basis \| U.S. Treasury securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	10,815	10,623
Carrying Value \| Assets and liabilities at fair value measured on a recurring basis \| Obligations of state and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	83,714	91,882
Carrying Value \| Assets and liabilities at fair value measured on a recurring basis \| Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	5,649	10,718
Carrying Value \| Assets and liabilities at fair value measured on a recurring basis \| Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial assets (interest rate contracts)	333	287
Derivative financial liabilities (interest rate contracts)		1,361
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Commercial mortgage-back securities, mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Commercial mortgage-back securities, mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	279,838	352,472
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Commercial mortgage-back securities, mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| SBA-backed securities \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| SBA-backed securities \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	308	19,471
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| SBA-backed securities \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Debentures of government sponsored agencies \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Debentures of government sponsored agencies \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	7,210	66,862
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Debentures of government sponsored agencies \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| U.S. Treasury securities \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	10,815	10,623
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| U.S. Treasury securities \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| U.S. Treasury securities \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Obligations of state and political subdivisions \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Obligations of state and political subdivisions \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	83,714	91,882
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Obligations of state and political subdivisions \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Corporate bonds \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Corporate bonds \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	5,649	10,718
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Corporate bonds \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	0	0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Interest rate contracts \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial assets (interest rate contracts)	0	0
Derivative financial liabilities (interest rate contracts)		0
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Interest rate contracts \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial assets (interest rate contracts)	333	287
Derivative financial liabilities (interest rate contracts)		1,361
Fair Value \| Assets and liabilities at fair value measured on a recurring basis \| Interest rate contracts \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial assets (interest rate contracts)	$ 0	0
Derivative financial liabilities (interest rate contracts)		$ 0

Fair Value of Assets and Liabilities - Narrative (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Credit loss on held-to-maturity securities \| $	$ 0	$ 0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of securities \| security	0	0

Fair Value of Assets and Liabilities - Schedule of Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financial assets (recorded at amortized cost)
Investment securities held-to-maturity	$ 763,535	$ 814,830
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Carrying Value
Financial assets (recorded at amortized cost)
Cash and cash equivalents	137,304	30,453
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value
Financial assets (recorded at amortized cost)
Cash and cash equivalents	137,304	30,453
Significant Other Observable Inputs (Level 2) \| Carrying Value
Financial assets (recorded at amortized cost)
Investment securities held-to-maturity	879,199	925,198
Interest receivable	11,934	12,752
Financial liabilities (recorded at amortized cost)
Time deposits	242,377	251,317
FRBSF short-term borrowings under the BTFP	0	26,000
Interest payable	3,019	2,752
Significant Other Observable Inputs (Level 2) \| Fair Value
Financial assets (recorded at amortized cost)
Investment securities held-to-maturity	763,535	814,830
Interest receivable	11,934	12,752
Financial liabilities (recorded at amortized cost)
Time deposits	243,773	252,824
FRBSF short-term borrowings under the BTFP	0	25,998
Interest payable	3,019	2,752
Significant Unobservable Inputs (Level 3) \| Carrying Value
Financial assets (recorded at amortized cost)
Loans, net of allowance for credit losses	2,052,600	2,048,548
Significant Unobservable Inputs (Level 3) \| Fair Value
Financial assets (recorded at amortized cost)
Loans, net of allowance for credit losses	$ 1,965,429	$ 1,939,702

Benefit Plans - Deferred Compensation Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Jan. 01, 2024	Dec. 31, 2023	Jan. 01, 2023
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Interest rate earned on deferred amounts, prime rate first business day of year		8.50%		7.50%
Deferred compensation obligation	$ 6.0		$ 6.6
Annual Salary \| Management
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Maximum percentage of compensation allowed to be deferred	80.00%
Deferred Bonus \| Management
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Maximum percentage of compensation allowed to be deferred	100.00%

Benefit Plans - Defined Contribution Plan and Employee Stock Ownership Plan (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution percentage	70.00%
Employer matching contribution maximum amount	$ 5,000
Stock issued to employee stock ownership plan	$ 1,149,000	$ 1,315,000	$ 1,233,000
Defined Contribution Plan (the 401k Plan)
Defined Contribution Plan Disclosure [Line Items]
Minimum age of eligible employee for 401(k) plan	18 years
Minimum employment period to qualify for 401(k) plan	90 days
Minimum annual contribution per employee, percent of eligible compensation	1.00%
Maximum annual contribution per employee, percent of eligible compensation	50.00%
Annual vesting percentage	20.00%
Defined contribution plan, number of years to be fully vested	5 years
Employer contributions	$ 875,000	871,000	949,000
Bank of Marin Employee Stock Ownership and Savings Plan (the Plan)
Defined Contribution Plan Disclosure [Line Items]
Defined contribution plan, number of years to be fully vested	5 years
Stock issued to employee stock ownership plan	$ 1,100,000	$ 1,300,000	$ 1,200,000

Benefit Plans - Supplemental Executive Retirement Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Percentage of salary paid upon retirement	25.00%
Period before ratable vesting begins	5 years
Age ratable vesting ends	65 years
Liability under the Salary Continuation Plan	$ 4.6	$ 4.5
Minimum
Defined Benefit Plan Disclosure [Line Items]
Payment period determined by service period	5 years
Maximum
Defined Benefit Plan Disclosure [Line Items]
Payment period determined by service period	15 years

Income Taxes - Schedule of Components of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current tax(benefit) provision
Federal	$ (214)	$ 3,234	$ 10,670
State	(60)	2,823	6,687
Total current tax (benefit) provision	(274)	6,057	17,357
Deferred tax (benefit) provision
Federal	(3,520)	319	(441)
State	(1,632)	(235)	7
Total deferred tax (benefit) provision	(5,152)	84	(434)
Total income tax (benefit) provision	$ (5,426)	$ 6,141	$ 16,923

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482964/270-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (ee)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483443/250-10-50-9

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.7)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479360/740-10-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483443/250-10-50-8

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-10

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(9))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Subparagraph (a)
-SubTopic 20
-Topic 740
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482659/740-20-45-2

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h))
-SubTopic 10
-Topic 235
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Income Taxes - Schedule of Deferred Tax Asset and Liability (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net unrealized losses on securities available-for-sale	$ 12,624	$ 22,241
Allowance for credit losses on loans and unfunded loan commitments	9,327	7,775
Operating and finance lease liabilities	6,404	6,860
Deferred compensation and salary continuation plans	3,137	3,289
Net operating loss carryforwards	4,353	1,136
Accrued but unpaid expenses	1,644	1,709
Stock-based compensation	643	632
Interest received on non-accrual loans	639	44
Fair value adjustment on acquired loans	396	695
Depreciation and disposals on premises and equipment	81	179
State franchise tax	0	593
Other	269	30
Total gross deferred tax assets	39,517	45,183
Deferred tax liabilities:
Operating and finance lease right-of-use assets	(5,669)	(6,092)
Deferred loan origination costs and fees	(1,685)	(1,435)
Core deposit intangible assets	(825)	(1,113)
Purchase accounting adjustments	(488)	(1,248)
Other	(245)	(226)
Total gross deferred tax liabilities	(8,912)	(10,114)
Net deferred tax assets	$ 30,605	$ 35,069

Income Taxes - Narrative (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Operating Loss Carryforwards [Line Items]
Valuation allowance of deferred tax assets	$ 0	$ 0
Net operating loss carryforwards	4,353,000	$ 1,136,000
California
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expected to expire	20,300,000
Domestic Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards expected to expire	$ 12,500,000

Income Taxes - Schedule of Effective Income Tax Reconciliation (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent
Federal statutory income tax rate	21.00%	21.00%	21.00%
Increase (decrease) due to:
California franchise tax, net of federal tax benefit	9.70%	7.90%	8.30%
Tax exempt interest on municipal securities and loans	4.90%	(3.10%)	(1.90%)
Tax exempt earnings on bank owned life insurance	2.60%	(1.50%)	(0.40%)
Non-deductible acquisition related expenses	0.00%	0.00%	0.00%
Non-deductible executive compensation	0.00%	0.00%	0.00%
Other	1.00%	(0.70%)	(0.40%)
Effective Tax Rate	39.20%	23.60%	26.60%

Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Sep. 30, 2024
Loss Contingencies [Line Items]
Loss contingency accrual	$ 615	$ 615
Minimum
Loss Contingencies [Line Items]
Operating lease, remaining lease term (in years)	6 months
Finance lease, initial contract terms (in years)	3 years
Maximum
Loss Contingencies [Line Items]
Operating lease, remaining lease term (in years)	17 years 5 months
Finance lease, initial contract terms (in years)	5 years

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Commitments and Contingencies - Schedule of Operating and Finance Lease Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Operating leases:
Operating lease right-of-use assets	$ 19,025	$ 20,316
Operating lease liabilities	$ 21,509	$ 22,906
Finance leases:
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Bank premises and equipment, net	Bank premises and equipment, net
Finance lease right-of-use assets	$ 616	$ 608
Accumulated amortization	(467)	(319)
Finance lease right-of-use assets, net	149	289
Finance lease liabilities	$ 154	$ 298

Commitments and Contingencies - Schedule of Noncash Investing and Financing Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Right-of-use assets obtained in exchange for operating lease liabilities	$ 3,034	$ 437	$ 6,116
Right-of-use assets obtained in exchange for finance lease liabilities	$ 8	$ 7	$ 151

Commitments and Contingencies - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Operating lease cost	$ 4,911	$ 5,493	$ 5,356
Variable lease cost	0	0	0
Total operating lease cost	4,911	5,493	5,356
Finance lease cost:
Amortization of right-of-use assets	148	147	127
Interest on finance lease liabilities	5	7	3
Total finance lease cost	153	154	130
Total lease cost	$ 5,064	$ 5,647	$ 5,486

Commitments and Contingencies - Schedule of Lease Liability Maturity Schedule (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Operating Leases
2025	$ 4,728
2026	3,626
2027	3,332
2028	2,910
2029	2,251
Thereafter	7,606
Total minimum lease payments	24,453
Amounts representing interest (present value discount)	(2,944)
Present value of net minimum lease payments (lease liability)	$ 21,509	$ 22,906
Weighted average remaining term (in years)	7 years 7 months 6 days
Weighted average discount rate	2.85%
Finance Leases
2025	$ 110
2026	40
2027	7
2028	1
2029	0
Thereafter	0
Total minimum lease payments	158
Amounts representing interest (present value discount)	(4)
Carrying Value	$ 154	$ 298
Weighted average remaining term (in years)	1 year 6 months
Weighted average discount rate	2.70%

Concentrations of Credit Risk (Details) - Credit concentration risk - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
U.S. Government, its agencies and Government Sponsored Enterprises (GSEs) \| U.S. Government And Government-Sponsored Enterprises
Concentration Risk [Line Items]
Concentration risk amount	$ 1,075.0	$ 1,272.0
Concentration risk percentage	85.00%	86.00%
Non-Government Sponsored Enterprises \| U.S. Government And Government-Sponsored Enterprises
Concentration Risk [Line Items]
Concentration risk amount	$ 282.6	$ 72.7
Non-Government Sponsored Enterprises \| Non-Government Sponsored Enterprises
Concentration Risk [Line Items]
Concentration risk percentage	1.00%	1.00%
Loans Receivable
Concentration Risk [Line Items]
Concentration risk, threshold for major borrower, percentage	3.00%	3.00%
Loans Receivable \| Commercial real estate loans \| San Francisco
Concentration Risk [Line Items]
Concentration risk percentage	3.00%
Loans on real estate \| Commercial real estate loans \| Commercial real estate, non-owner occupied
Concentration Risk [Line Items]
Concentration risk percentage	5.00%
Loans on real estate \| Residential loans
Concentration Risk [Line Items]
Concentration risk percentage	89.00%	90.00%

Derivative Financial Instruments and Hedging Activities - Narrative (Details) - Interest rate swap $ in Millions		1 Months Ended
	Jul. 07, 2023 USD ($)	Dec. 31, 2023 interest_rate_swap	Dec. 31, 2024 interest_rate_swap
Derivatives, Fair Value [Line Items]
Derivative notional amount \| $	$ 101.8
Fair value hedge \| Designated as hedging instrument
Derivatives, Fair Value [Line Items]
Number of instruments held			3
Number instruments terminated		1
Minimum
Derivatives, Fair Value [Line Items]
Derivative, term of contract	2 years 6 months
Maximum
Derivatives, Fair Value [Line Items]
Derivative, term of contract	3 years

Derivative Financial Instruments and Hedging Activities - Schedule of Information on Derivatives (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Accrued interest	$ 1,700	$ 2,300
Available-for-sale securities:
Derivatives, Fair Value [Line Items]
Carrying Amounts of Hedged Assets	0	107,181
Cumulative Amounts of Fair Value Hedging Adjustments Included in the Carrying Amounts of the Hedged Assets	0	(1,359)
Loans receivable:
Derivatives, Fair Value [Line Items]
Carrying Amounts of Hedged Assets	7,215	8,183
Cumulative Amounts of Fair Value Hedging Adjustments Included in the Carrying Amounts of the Hedged Assets	(398)	(367)
Fair value hedge
Derivatives, Fair Value [Line Items]
Accrued interest		222
Interest rate swap \| Fair value hedge \| Available-for-sale securities: \| Designated as hedging instrument
Derivatives, Fair Value [Line Items]
Interest rate contracts notional amount, asset derivatives	0	0
Interest rate contracts notional amount, liability derivatives	0	101,770
Interest rate contracts fair value, asset derivatives	0	0
Interest rate contracts fair value, liability derivatives	0	1,359
Interest rate contract \| Fair value hedge \| Loans receivable: \| Designated as hedging instrument
Derivatives, Fair Value [Line Items]
Interest rate contracts notional amount, asset derivatives	7,654	6,441
Interest rate contracts notional amount, liability derivatives	0	2,157
Interest rate contracts fair value, asset derivatives	333	287
Interest rate contracts fair value, liability derivatives	$ 0	$ 2

Derivative Financial Instruments and Hedging Activities - Schedule of Interest Income (Details) - Fair value hedge - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest on investment securities
Derivatives, Fair Value [Line Items]
Increase (decrease) increase in fair value of interest rate swaps hedging loans receivable	$ 1,359	$ (1,359)	$ 0
Hedged interest earned (paid)	646	367	0
Decrease (increase) in carrying value included in the hedged loans	(1,359)	1,359	0
Net gain (loss) recognized in interest income on loans	646	367	0
Interest and fees on loans
Derivatives, Fair Value [Line Items]
Increase (decrease) increase in fair value of interest rate swaps hedging loans receivable	47	(317)	1,687
Hedged interest earned (paid)	201	268	(143)
Decrease (increase) in carrying value included in the hedged loans	(30)	359	(1,666)
Decrease in value of yield maintenance agreement	(8)	(9)	(10)
Net gain (loss) recognized in interest income on loans	$ 210	$ 301	$ (132)

Derivative Financial Instruments and Hedging Activities - Schedule of Offsetting of Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Gross Amounts of Recognized Assets	$ 333	$ 287
Gross Amounts Offset in the Statements of Condition	0	0
Net Amounts of Liabilities Presented in the Statements of Condition	333	287
Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	0	0
Gross Amounts Not Offset in the Statements of Condition, Cash Collateral Pledged	0	0
Net Amount	333	287
Counterparty
Derivatives, Fair Value [Line Items]
Gross Amounts of Recognized Assets	333	287
Gross Amounts Offset in the Statements of Condition	0	0
Net Amounts of Liabilities Presented in the Statements of Condition	333	287
Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	0	0
Gross Amounts Not Offset in the Statements of Condition, Cash Collateral Pledged	0	0
Net Amount	$ 333	$ 287

Derivative Financial Instruments and Hedging Activities - Schedule of Offsetting of Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Gross Amounts of Recognized Liabilities	$ 0	$ 1,361
Gross Amounts Offset in the Statements of Condition	0	0
Net Amounts of Liabilities Presented in the Statements of Condition	0	1,361
Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	0	(287)
Gross Amounts Not Offset in the Statements of Condition, Cash Collateral Pledged	0	(330)
Net Amount	0	744
Counterparty
Derivatives, Fair Value [Line Items]
Gross Amounts of Recognized Liabilities	0	1,361
Gross Amounts Offset in the Statements of Condition	0	0
Net Amounts of Liabilities Presented in the Statements of Condition	0	1,361
Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	0	(287)
Gross Amounts Not Offset in the Statements of Condition, Cash Collateral Pledged	0	(330)
Net Amount	$ 0	$ 744

- Definition

Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References + Details

Regulatory Matters (Details) $ in Thousands	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Bancorp
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital (to risk-weighted assets), Actual, Amount	$ 420,606	$ 440,842
Total Capital (to risk-weighted assets), Actual, Ratio	0.1654	0.1689
Total Capital (to risk-weighted assets), Adequately Capitalized Threshold, Amount	$ 266,991	$ 274,002
Total Capital (to risk-weighted assets), Adequately Capitalized Threshold, Ratio	0.1050	0.1050
Total Capital (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Amount	$ 254,277	$ 260,954
Total Capital (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Ratio	0.1000	0.1000
Tier 1 Capital (to risk-weighted assets), Actual, Amount	$ 389,448	$ 415,224
Tier 1 Capital (to risk-weighted assets), Actual, Ratio	0.1532	0.1591
Tier 1 Capital (to risk-weighted assets), Adequately Capitalized Threshold, Amount	$ 216,136	$ 221,811
Tier 1 Capital (to risk-weighted assets), Adequately Capitalized Threshold, Ratio	0.0850	0.0850
Tier 1 Capital (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Amount	$ 203,422	$ 208,763
Tier 1 Capital (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Ratio	0.0800	0.0800
Tier 1 Leverage Capital (to average assets), Amount, Actual	$ 389,448	$ 415,224
Tier 1 Leverage Capital (to average assets), Actual, Ratio	0.1046	0.1046
Tier 1 Leverage Capital (to average assets), Adequately Capitalized Threshold, Amount	$ 148,899	$ 158,771
Tier 1 Leverage Capital (to average assets), Adequately Capitalized Threshold, Ratio	0.0400	0.0400
Tier 1 Leverage Capital (to average assets), Threshold to be a Well Capitalized Bank Holding Company, Amount	$ 186,123	$ 198,464
Tier 1 Leverage Capital (to average assets), Threshold to be a Well Capitalized Bank Holding Company, Ratio	0.0500	0.0500
Common Equity Tier 1 (to risk-weighted assets), Actual, Amount	$ 389,448	$ 415,224
Common Equity Tier 1 (to risk-weighted assets), Actual, Ratio	15.32%	15.91%
Common Equity Tier 1 (to risk-weighted assets), Adequately Capitalized Threshold, Amount	$ 177,994	$ 182,668
Common Equity Tier 1 (to risk-weighted assets), Adequately Capitalized Threshold, Ratio	7.00%	7.00%
Common Equity Tier 1 (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Amount	$ 165,280	$ 169,620
Common Equity Tier 1 (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Ratio	6.50%	6.50%
The Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital (to risk-weighted assets), Actual, Amount	$ 410,186	$ 433,598
Total Capital (to risk-weighted assets), Actual, Ratio	0.1613	0.1662
Total Capital (to risk-weighted assets), Adequately Capitalized Threshold, Amount	$ 266,955	$ 273,986
Total Capital (to risk-weighted assets), Adequately Capitalized Threshold, Ratio	0.1050	0.1050
Total Capital (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Amount	$ 254,243	$ 260,939
Total Capital (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Ratio	0.1000	0.1000
Tier 1 Capital (to risk-weighted assets), Actual, Amount	$ 379,028	$ 407,981
Tier 1 Capital (to risk-weighted assets), Actual, Ratio	0.1491	0.1564
Tier 1 Capital (to risk-weighted assets), Adequately Capitalized Threshold, Amount	$ 216,107	$ 221,798
Tier 1 Capital (to risk-weighted assets), Adequately Capitalized Threshold, Ratio	0.0850	0.0850
Tier 1 Capital (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Amount	$ 203,395	$ 208,751
Tier 1 Capital (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Ratio	0.0800	0.0800
Tier 1 Leverage Capital (to average assets), Amount, Actual	$ 379,028	$ 407,981
Tier 1 Leverage Capital (to average assets), Actual, Ratio	0.1018	0.1028
Tier 1 Leverage Capital (to average assets), Adequately Capitalized Threshold, Amount	$ 148,887	$ 158,767
Tier 1 Leverage Capital (to average assets), Adequately Capitalized Threshold, Ratio	0.0400	0.0400
Tier 1 Leverage Capital (to average assets), Threshold to be a Well Capitalized Bank Holding Company, Amount	$ 186,108	$ 198,459
Tier 1 Leverage Capital (to average assets), Threshold to be a Well Capitalized Bank Holding Company, Ratio	0.0500	0.0500
Common Equity Tier 1 (to risk-weighted assets), Actual, Amount	$ 379,028	$ 407,981
Common Equity Tier 1 (to risk-weighted assets), Actual, Ratio	14.91%	15.64%
Common Equity Tier 1 (to risk-weighted assets), Adequately Capitalized Threshold, Amount	$ 177,970	$ 182,657
Common Equity Tier 1 (to risk-weighted assets), Adequately Capitalized Threshold, Ratio	7.00%	7.00%
Common Equity Tier 1 (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Amount	$ 165,258	$ 169,610
Common Equity Tier 1 (to risk-weighted assets), Threshold to be a Well Capitalized Bank Holding Company, Ratio	6.50%	6.50%

Financial Instruments with Off-Balance Sheet Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Total unfunded loan commitments and standby letters of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total unfunded loan commitments and standby letters of credit	$ 460,686	$ 505,150
Commercial lines of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total unfunded loan commitments and standby letters of credit	233,462	259,989
Revolving home equity lines
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total unfunded loan commitments and standby letters of credit	208,372	218,935
Undisbursed construction loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total unfunded loan commitments and standby letters of credit	8,294	13,943
Personal and other lines of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total unfunded loan commitments and standby letters of credit	7,781	9,136
Standby letters of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total unfunded loan commitments and standby letters of credit	$ 2,777	$ 3,147

Financial Instruments with Off-Balance Sheet Risk - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Unfunded commitments totaled	$ 894	$ 1,100
Reversal of credit losses on unfunded loan commitments	$ (233)	$ (342)	$ (318)
Total unfunded loan commitments and standby letters of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage of commitments expiring in 2025	38.00%
Percentage of commitments expiring between 2026 and 2032	52.00%
Percentage of commitments expiring 2032 and thereafter	10.00%

Condensed Bank of Marin Bancorp Parent Only Financial Statements - Condensed Uncosolidanted Statements of Condition (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets
Total assets	$ 3,701,335	$ 3,803,903
Liabilities and Stockholders' Equity
Total liabilities	3,265,928	3,364,841
Stockholders' equity	435,407	439,062	$ 412,092	$ 450,368
Total liabilities and stockholders' equity	3,701,335	3,803,903
Bancorp
Assets
Cash and due from Bank of Marin	10,329	7,189
Investment in bank subsidiary	424,987	431,819
Other assets	232	156
Total assets	435,548	439,164
Liabilities and Stockholders' Equity
Accrued expenses payable	141	102
Total liabilities	141	102
Stockholders' equity	435,407	439,062
Total liabilities and stockholders' equity	$ 435,548	$ 439,164

Condensed Bank of Marin Bancorp Parent Only Financial Statements - Condensed Unconsolidated Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Expense
Non-interest expense	$ 81,818	$ 79,481	$ 75,269
Income tax benefit	5,426	(6,141)	(16,923)
Net (loss) income	(8,409)	19,895	46,586
Bancorp
Income
Dividends from bank subsidiary	25,000	20,000	16,200
Total income	25,000	20,000	16,200
Expense
Non-interest expense	1,814	1,705	1,793
Total expense	1,814	1,705	1,793
Income before income taxes and equity in undistributed net income of subsidiary	23,186	18,295	14,407
Income tax benefit	434	504	530
Income before equity in undistributed net income of subsidiary	23,620	18,799	14,937
(Loss) earnings of bank subsidiary greater (less) than dividends received from bank subsidiary	(32,029)	1,096	31,649
Net (loss) income	$ (8,409)	$ 19,895	$ 46,586

Condensed Bank of Marin Bancorp Parent Only Financial Statements - Condensed Unconsolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash Flows from Operating Activities:
Total consolidated income	$ (8,409)	$ 19,895	$ 46,586
Adjustments to reconcile net income to net cash provided by operating activities:
Noncash director compensation expense	513	398	355
Other assets	(6,695)	(4,149)	2,228
Other liabilities	172	2,378	(4,708)
Net cash provided by operating activities	28,365	35,659	55,277
Cash Flows from Investing Activities:
Net cash provided by (used in) investing activities	195,174	334,691	(218,097)
Cash Flows from Financing Activities:
Restricted stock surrendered for tax withholdings upon vesting	(64)	(70)	(40)
Cash dividends paid on common stock	(16,197)	(16,106)	(15,673)
Stock repurchased, including commissions and excise tax	(4,253)	0	(1,250)
Net cash (used in) provided by financing activities	(116,688)	(385,321)	(139,397)
Net (decrease) increase in cash, cash equivalents and restricted cash	106,851	(14,971)	(302,217)
Cash, cash equivalents and restricted cash at beginning of period	30,453	45,424	347,641
Cash, cash equivalents and restricted cash at end of period	137,304	30,453	45,424
Stock issued in payment of director fees	513	398	355
Bancorp
Cash Flows from Operating Activities:
Total consolidated income	(8,409)	19,895	46,586
Adjustments to reconcile net income to net cash provided by operating activities:
Earnings of bank subsidiary (greater) less than dividends received from bank subsidiary	32,029	(1,096)	(31,649)
Noncash director compensation expense	71	60	36
Other assets	(76)	99	(12)
Other liabilities	39	(86)	(129)
Net cash provided by operating activities	23,654	18,872	14,832
Cash Flows from Investing Activities:
Capital contribution to bank subsidiary	(38)	(276)	(899)
Net cash provided by (used in) investing activities	(38)	(276)	(899)
Cash Flows from Financing Activities:
Restricted stock surrendered for tax withholdings upon vesting	(64)	(70)	(40)
Cash dividends paid on common stock	(16,197)	(16,106)	(15,673)
Stock repurchased, including commissions and excise tax	(4,253)	0	(1,250)
Proceeds from stock options exercised and stock issued under employee and director stock purchase plans	38	276	899
Net cash (used in) provided by financing activities	(20,476)	(15,900)	(16,064)
Net (decrease) increase in cash, cash equivalents and restricted cash	3,140	2,696	(2,131)
Cash, cash equivalents and restricted cash at beginning of period	7,189	4,493	6,624
Cash, cash equivalents and restricted cash at end of period	10,329	7,189	4,493
Stock issued in payment of director fees	513	398	355
Stock issued to employee stock ownership plan	$ 1,149	$ 1,315	$ 1,233