10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2021

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __________________ to __________________

Commission File Number  001-33572

Bank of Marin Bancorp

(Exact name of Registrant as specified in its charter)

California				20-8859754
(State or other jurisdiction of incorporation or organization)				(IRS Employer Identification No.)
504 Redwood Blvd.	Suite 100	Novato	CA	94947
(Address of principal executive office)				(Zip Code)

Registrant’s telephone number, including area code:  (415) 763-4520

Not Applicable

(Former name, former address and formal fiscal year, if changed since last report)

Securities registered pursuant to 12(b) of the Act:
Title of each class	Trading symbol	Name of each exchange on which registered
Common stock, no par value and attached Share Purchase Rights	BMRC	The Nasdaq Stock Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒                  No  ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes ☒                  No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule 12b-2 of the Exchange Act.   

Large accelerated filer	☐		Accelerated filer	☒
Non-accelerated filer	☐	(Do not check if a smaller reporting company)	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes   ☐    No  ☒ 

As of July 31, 2021, there were 13,021,501 shares of common stock outstanding.

TABLE OF CONTENTS

PART I	FINANCIAL INFORMATION	3
ITEM 1.	Financial Statements	3
	Consolidated Statements of Condition	3
	Consolidated Statements of Comprehensive Income	4
	Consolidated Statements of Changes in Stockholders' Equity	5
	Consolidated Statements of Cash Flows	6
	Notes to Consolidated Financial Statements	7
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
ITEM 3.	Quantitative and Qualitative Disclosure about Market Risk	42
ITEM 4.	Controls and Procedures	43
PART II	OTHER INFORMATION	43
ITEM 1.	Legal Proceedings	43
ITEM 1A.	Risk Factors	44
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	44
ITEM 3.	Defaults Upon Senior Securities	44
ITEM 4.	Mine Safety Disclosures	44
ITEM 5.	Other Information	44
ITEM 6.	Exhibits	45
SIGNATURES

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PART I       FINANCIAL INFORMATION

ITEM 1.  Financial Statements 

BANK OF MARIN BANCORP

CONSOLIDATED STATEMENTS OF CONDITION 

(in thousands, except share data; unaudited)	June 30, 2021		December 31, 2020
Assets
Cash, cash equivalents and restricted cash	$	257,543	$	200,320
Investment securities:
Held-to-maturity, at amortized cost (net of zero allowance for credit losses at June 30, 2021 and December 31, 2020 )	169,038		109,036
Available-for-sale, at fair value (net of zero allowance for credit losses at June 30, 2021 and December 31, 2020 )	517,963		392,351
Total investment securities	687,001		501,387
Loans, at amortized cost	2,002,767		2,088,556
Allowance for credit losses on loans	(19,100)		(22,874)
Loans, net of allowance for credit losses on loans	1,983,667		2,065,682
Bank premises and equipment, net	5,248		4,919
Goodwill	30,140		30,140
Core deposit intangible	3,423		3,831
Operating lease right-of-use assets	23,506		25,612
Interest receivable and other assets	83,290		80,035
Total assets	$	3,073,818	$	2,911,926
Liabilities and Stockholders' Equity
Liabilities
Deposits
Non-interest bearing	$	1,460,076	$	1,354,650
Interest bearing
Transaction accounts	168,226		183,552
Savings accounts	230,730		201,507
Money market accounts	729,193		667,107
Time accounts	95,350		97,433
Total deposits	2,683,575		2,504,249
Borrowings and other obligations	438		58
Subordinated debenture	—		2,777
Operating lease liabilities	24,919		27,062
Interest payable and other liabilities	16,237		19,527
Total liabilities	2,725,169		2,553,673
Stockholders' Equity
Preferred stock, no par value,     Authorized - 5,000,000 shares, none issued	—		—
Common stock, no par value, Authorized - 30,000,000 shares; issued and outstanding - 13,055,105 and 13,500,453 at June 30, 2021 and December 31, 2020, respectively	108,430		125,905
Retained earnings	231,841		219,747
Accumulated other comprehensive income, net of taxes	8,378		12,601
Total stockholders' equity	348,649		358,253
Total liabilities and stockholders' equity	$	3,073,818	$	2,911,926

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

Page-3

BANK OF MARIN BANCORP
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

	Three months ended				Six months ended
(in thousands, except per share amounts; unaudited)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Interest income
Interest and fees on loans	$	21,429	$	21,217	$	42,090	$	42,104
Interest on investment securities	3,504		3,741		6,633		7,906
Interest on federal funds sold and due from banks	54		39		96		371
Total interest income	24,987		24,997		48,819		50,381
Interest expense
Interest on interest-bearing transaction accounts	39		39		78		105
Interest on savings accounts	21		17		40		33
Interest on money market accounts	312		383		598		1,354
Interest on time accounts	81		142		177		303
Interest on borrowings and other obligations	—		1		—		3
Interest on subordinated debenture	—		40		1,361		89
Total interest expense	453		622		2,254		1,887
Net interest income	24,534		24,375		46,565		48,494
(Reversal of) provision for credit losses on loans	(920)		2,000		(3,849)		4,200
(Reversal of) provision for credit losses on unfunded loan commitments	(612)		260		(1,202)		362
Net interest income after (reversal of) provision for credit losses	26,066		22,115		51,616		43,932
Non-interest income
Wealth Management and Trust Services	530		421		1,018		925
Debit card interchange fees	419		308		785		668
Service charges on deposit accounts	317		293		598		744
Earnings on bank-owned life insurance, net	233		234		490		509
Dividends on Federal Home Loan Bank stock	177		146		326		354
Merchant interchange fees	61		47		118		120
Gains on sale of investment securities, net	—		115		—		915
Other income	285		249		513		698
Total non-interest income	2,022		1,813		3,848		4,933
Non-interest expense
Salaries and related benefits	8,888		7,864		18,096		17,341
Occupancy and equipment	1,751		1,661		3,502		3,324
Professional services	986		550		1,849		1,094
Data processing	820		829		1,639		1,615
Charitable contributions	462		273		493		440
Depreciation and amortization	389		526		848		1,052
Information technology	296		252		609		502
Directors' expense	230		175		405		349
Amortization of core deposit intangible	204		213		408		426
Federal Deposit Insurance Corporation insurance	182		116		361		118
Other expense	1,348		1,422		2,758		2,987
Total non-interest expense	15,556		13,881		30,968		29,248
Income before provision for income taxes	12,532		10,047		24,496		19,617
Provision for income taxes	3,247		2,641		6,264		4,983
Net income	$	9,285	$	7,406	$	18,232	$	14,634
Net income per common share:
Basic	$	0.71	$	0.55	$	1.38	$	1.08
Diluted	$	0.71	$	0.55	$	1.37	$	1.07
Weighted average shares:
Basic	13,092		13,514		13,227		13,519
Diluted	13,164		13,585		13,316		13,621
Comprehensive income (loss):
Net income	$	9,285	$	7,406	$	18,232	$	14,634
Other comprehensive income (loss):
Change in net unrealized gains on available-for-sale securities	2,798		1,494		(6,284)		11,306
Reclassification adjustment for gains on available-for-sale securities included in net income	—		(115)		—		(915)
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity	138		135		281		245
Other comprehensive income (loss), before tax	2,936		1,514		(6,003)		10,636
Deferred tax expense (benefit)	864		448		(1,780)		3,145
Other comprehensive income (loss), net of tax	2,072		1,066		(4,223)		7,491
Total comprehensive income	$	11,357	$	8,472	$	14,009	$	22,125

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

Page-4

BANK OF MARIN BANCORP
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

For the three months ended June 30, 2021 and 2020

(in thousands, except share data; unaudited)	Common Stock			Retained Earnings		Accumulated Other Comprehensive Income, Net of Taxes		Total
	Shares	Amount
	Three months ended June 30, 2021
Balance at April 1, 2021	13,326,509	$	118,386	$	225,600	$	6,306	$	350,292
Net income	—	—		9,285		—		9,285
Other comprehensive income	—	—		—		2,072		2,072
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	14,000	314		—		—		314
Stock issued under employee stock purchase plan	831	25		—		—		25
Stock issued under employee stock ownership plan	9,300	336		—		—		336
Restricted stock granted	2,400	—		—		—		—
Stock-based compensation - stock options	—	28		—		—		28
Stock-based compensation - restricted stock	—	95		—		—		95
Cash dividends paid on common stock ($0.23 per share)	—	—		(3,044)		—		(3,044)
Stock repurchased, net of commissions	(297,935)	(10,754)		—		—		(10,754)
Balance at June 30, 2021	13,055,105	$	108,430	$	231,841	$	8,378	$	348,649
	Three months ended June 30, 2020
Balance at April 1, 2020	13,565,969	$	127,684	$	207,328	$	10,928	$	345,940
Net income	—	—		7,406		—		7,406
Other comprehensive income	—	—		—		1,066		1,066
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	14,760	453		—		—		453
Stock issued under employee stock purchase plan	537	17		—		—		17
Stock issued under employee stock ownership plan	11,500	324		—		—		324
Restricted stock forfeited / cancelled	(931)	—		—		—		—
Stock-based compensation - stock options	—	42		—		—		42
Stock-based compensation - restricted stock	—	113		—		—		113
Cash dividends paid on common stock ($0.23 per share)	—	—		(3,121)		—		(3,121)
Balance at June 30, 2020	13,591,835	$	128,633	$	211,613	$	11,994	$	352,240

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

BANK OF MARIN BANCORP
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

For the six months ended June 30, 2021 and 2020

(in thousands, except share data; unaudited)	Common Stock			Retained Earnings		Accumulated Other Comprehensive (Loss) Income, Net of Taxes		Total
	Shares	Amount
	Six months ended June 30, 2021
Balance at January 1, 2021	13,500,453	$	125,905	$	219,747	$	12,601	$	358,253
Net income	—	—		18,232		—		18,232
Other comprehensive (loss)	—	—		—		(4,223)		(4,223)
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	31,180	351						351
Stock issued under employee stock purchase plan	1,609	53		—		—		53
Stock issued under employee stock ownership plan	18,300	668		—		—		668
Restricted stock granted	29,454	—		—		—		—
Restricted stock surrendered for tax withholdings upon vesting	(3,961)	(156)		—		—		(156)
Restricted stock forfeited / cancelled	(3,848)	—		—		—		—
Stock-based compensation - stock options	—	200		—		—		200
Stock-based compensation - restricted stock	—	538		—		—		538
Cash dividends paid on common stock ($0.46 per share)	—	—		(6,138)		—		(6,138)
Stock purchased by directors under director stock plan	519	18		—		—		18
Stock issued in payment of director fees	3,347	117		—		—		117
Stock repurchased, net of commissions	(521,948)	(19,264)		—		—		(19,264)
Balance at June 30, 2021	13,055,105	$	108,430	$	231,841	$	8,378	$	348,649
	Six months ended June 30, 2020
Balance at January 1, 2020	13,577,008	$	129,058	$	203,227	$	4,503	$	336,788
Net income	—	—		14,634		—		14,634
Other comprehensive income	—	—		—		7,491		7,491
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	63,815	1,277		—		—		1,277
Stock issued under employee stock purchase plan	1,084	33		—		—		33
Stock issued under employee stock ownership plan	19,400	648		—		—		648
Restricted stock granted	29,100	—		—		—		—
Restricted stock surrendered for tax withholdings upon vesting	(2,200)	(73)		—		—		(73)
Restricted stock forfeited / cancelled	(6,718)	—		—		—		—
Stock-based compensation - stock options	—	211		—		—		211
Stock-based compensation - restricted stock	—	574		—		—		574
Cash dividends paid on common stock ($0.46 per share)	—	—		(6,248)		—		(6,248)
Stock purchased by directors under director stock plan	400	18		—		—		18
Stock issued in payment of director fees	2,610	117		—		—		117
Stock repurchased, net of commissions	(92,664)	(3,230)		—		—		(3,230)
Balance at June 30, 2020	13,591,835	$	128,633	$	211,613	$	11,994	$	352,240

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

Page-5

BANK OF MARIN BANCORP
CONSOLIDATED STATEMENTS OF CASH FLOWS

For the six months ended June 30, 2021 and 2020

(in thousands; unaudited)	June 30, 2021		June 30, 2020
Cash Flows from Operating Activities:
Net income	$	18,232	$	14,634
Adjustments to reconcile net income to net cash provided by operating activities:
(Reversal of) provision for credit losses on loans	(3,849)		4,200
(Reversal of) provision for credit losses on unfunded loan commitments	(1,202)		362
Noncash contribution expense to employee stock ownership plan	668		648
Noncash director compensation expense	162		150
Stock-based compensation expense	738		785
Amortization of core deposit intangible	408		426
Amortization of investment security premiums, net of accretion of discounts	1,753		344
Accretion of discounts on acquired loans	(78)		(55)
Accretion of discount on subordinated debenture	1,347		35
Net change in deferred loan origination costs/fees	1,146		7,829
Gain on sale of investment securities	—		(915)
Depreciation and amortization	848		1,052
Earnings on bank-owned life insurance policies	(490)		(509)
Net changes in:
Interest receivable and other assets	952		(2,174)
Interest payable and other liabilities	(866)		2,816
Total adjustments	1,537		14,994
Net cash provided by operating activities	19,769		29,628
Cash Flows from Investing Activities:
Purchase of held-to-maturity securities	(74,521)		—
Purchase of available-for-sale securities	(170,161)		(56,912)
Proceeds from sale of available-for-sale securities	—		33,756
Proceeds from paydowns/maturities of held-to-maturity securities	14,376		11,530
Proceeds from paydowns/maturities of available-for-sale securities	36,936		36,951
Loans originated and principal collected, net	84,259		(273,169)
Purchase of bank-owned life insurance policies	(1,943)		(941)
Purchase of premises and equipment	(765)		(242)
Cash paid for low income housing tax credit investment	(346)		(1,251)
Net cash used in investing activities	(112,165)		(250,278)
Cash Flows from Financing Activities:
Net increase in deposits	179,326		443,377
Proceeds from stock options exercised	351		1,277
Payment of tax withholdings for vesting of restricted stock	(156)		(73)
Proceeds from stock issued under employee and director stock purchase plans	71		51
Stock repurchased, net of commissions	(19,677)		(3,333)
Repayment of subordinated debenture including execution costs	(4,126)		—
Repayment of finance lease obligations	(32)		(90)
Cash dividends paid on common stock	(6,138)		(6,248)
Net cash provided by financing activities	149,619		434,961
Net increase in cash, cash equivalents and restricted cash	57,223		214,311
Cash, cash equivalents and restricted cash at beginning of period	200,320		183,388
Cash, cash equivalents and restricted cash at end of period	$	257,543	$	397,699
Supplemental disclosure of cash flow information:
Cash paid in interest	$	951	$	1,871
Cash paid in income taxes	$	6,000	$	—
Supplemental disclosure of noncash investing and financing activities:
Change in net unrealized gains on available-for-sale securities	$	(6,284)	$	11,306
Amortization of net unrealized loss on available-for-sale securities transferred to held-to-maturity	$	281	$	245
Stock issued to employee stock ownership plan	$	668	$	648
Stock issued for director compensation expense	$	162	$	150
Restricted cash1	$	—	$	—

1 Restricted cash includes reserve requirements held with the Federal Reserve Bank of San Francisco. 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 (unaudited).

Page-6

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

Note 1:  Basis of Presentation

The consolidated financial statements include the accounts of Bank of Marin Bancorp (“Bancorp”), a bank holding company, and its wholly-owned bank subsidiary, Bank of Marin (the “Bank”), a California state-chartered commercial bank. References to “we,” “our,” “us” mean Bancorp and the Bank that are consolidated for financial reporting purposes. The accompanying unaudited consolidated interim financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and note disclosures normally included in annual financial statements prepared in accordance with U.S. generally accepted accounting principles ("GAAP") have been condensed or omitted pursuant to those rules and regulations. Certain items in prior financial statements were reclassified to conform to the current presentation, including the reclassification of the provision for credit losses on unfunded commitments in the second quarter of 2021 from non-interest expense to a separate line item under the provision for credit losses on loans in the consolidated statements of comprehensive income.

Although we believe that the disclosures are adequate and the information presented is not misleading, we suggest that these interim financial statements be read in conjunction with the annual financial statements and the notes thereto included in our 2020 Annual Report on Form 10-K.  In the opinion of management, the unaudited consolidated financial statements reflect all adjustments, which are necessary for a fair presentation of the consolidated financial position, the results of operations, changes in comprehensive income, changes in stockholders’ equity, and cash flows for the periods presented. All material intercompany transactions have been eliminated. The results of these interim periods may not be indicative of the results for the full year or for any other period.

The NorCal Community Bancorp Trust II (the "Trust") was formed for the sole purpose of issuing trust preferred securities. Bancorp is not considered the primary beneficiary of the Trust (a variable interest entity), therefore the Trust is not consolidated in our consolidated financial statements, but rather the subordinated debenture is shown as a liability on our consolidated statements of condition. Bancorp's investment in the securities of the Trust is accounted for under the equity method and is included in interest receivable and other assets on the consolidated statements of condition. Refer to Note 6, Borrowings, for additional information on the subordinated debenture due to NorCal Community Bancorp Trust II and the early redemption that occurred on March 15, 2021.

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 earnings per share (“EPS”) are calculated by dividing net income by the weighted average number of common shares outstanding during each 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 the quarterly diluted EPS is computed using the average market prices during the three months included in the reporting period under the treasury stock method. 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 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.

Page-7

	Three months ended				Six months ended
(in thousands, except per share data)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Weighted average basic common shares outstanding	13,092		13,514		13,227		13,519
Potentially dilutive common shares related to:
Stock options	54		54		67		80
Unvested restricted stock awards	18		17		22		22
Weighted average diluted shares outstanding	13,164		13,585		13,316		13,621
Net income	$	9,285	$	7,406	$	18,232	$	14,634
Basic EPS	$	0.71	$	0.55	$	1.38	$	1.08
Diluted EPS	$	0.71	$	0.55	$	1.37	$	1.07
Weighted average anti-dilutive common shares not included in the calculation of diluted EPS	111		207		88		109

Note 2: Recently Adopted and Issued Accounting Standards

Accounting Standards Adopted in 2021

In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (ASC Topic 740): Simplifying the Accounting for Income Taxes. This ASU is intended to reduce the cost and complexity related to accounting for income taxes by removing certain exceptions to the guidance in ASC 740 related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period and simplifying aspects of the accounting for franchise taxes and enacted changes in tax laws or rates. We adopted this ASU prospectively on January 1, 2021, which did not have a material impact on our financial condition or results of operations.

In January 2020, the FASB issued ASU No. 2020-01, Investments - Equity Securities (ASC Topic 321), Investments - Equity Method and Joint Ventures (ASC Topic 323), and Derivatives and Hedging (ASC Topic 815) - Clarifying the Interactions between ASC 321, ASC 323, and ASC 815. Among other things, this ASU clarifies that a company should consider observable transactions that require a company to either apply or discontinue the equity method of accounting under ASC 323, for the purposes of applying the measurement alternative in accordance with ASC 321. We adopted this ASU prospectively on January 1, 2021, which did not have a material impact on our financial condition or results of operations.

In October 2020, the FASB issued ASU No. 2020-08, Codification Improvements to Subtopic 310-20, Receivables—Nonrefundable Fees and Other Costs. This ASU was issued as part of the Board's ongoing project to improve codification or correct unintended application. This ASU adds clarification to ASU 2017-08, which the Bank early-adopted in 2017, and delineates whether an entity with callable debt securities that have multiple call dates should amortize the amount above that which is repayable, to the next call date. We adopted this ASU prospectively on January 1, 2021. Because this ASU was narrow in scope and for clarification purposes, it did not have a material impact on our financial condition and results of operations.

Accounting Standards Not Yet Effective

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848). The amendments in this ASU are elective and provide optional guidance for a limited period of time to ease the potential burden of accounting for, or recognizing the effects of reference rate reform. The amendments in this ASU provide optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The amendments in this ASU may be elected as of March 12, 2020 through December 31, 2022. An entity may choose to elect the amendments in this update at an interim period subsequent to March 12, 2020 with adoption methods varying based on transaction type. We have not elected to apply amendments at this time, however, will assess the applicability of this ASU to us as we continue to monitor guidance for reference rate reform from FASB and its impact on our financial condition and results of operations.

In January 2021, the FASB issued ASU No. 2021-01, Reference Rate Reform (Topic 848). The main amendments in this ASU are intended to clarify certain optional expedients and scope of derivative instruments. The amendments are elective and effective immediately upon issuance of this ASU. Amendments may be elected through December 31, 2022. We have not elected to apply amendments at this time, however, will assess the applicability of this ASU to us as we continue to monitor guidance for reference rate reform from FASB and its impact on our financial condition and results of operations.

Page-8

Note 3:  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 in 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.

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
June 30, 2021
Securities available-for-sale:
Mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	284,783	$	—	$	284,783	$	—	OCI
SBA-backed securities	29,460		—		29,460		—		OCI
Debentures of government sponsored agencies	74,711		—		74,711		—		OCI
Obligations of state and political subdivisions	123,224		—		123,224		—		OCI
Corporate bonds	5,785		—		5,785		—		OCI
Derivative financial liabilities (interest rate contracts)	1,363		—		1,363		—		NI
December 31, 2020
Securities available-for-sale:
Mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	228,651	$	—	$	228,651	$	—	OCI
SBA-backed securities	32,862		—		36,286		—		OCI
Debentures of government sponsored agencies	20,186		—		20,186		—		OCI
Obligations of state and political subdivisions	110,652		—		110,652		—		OCI
Derivative financial liabilities (interest rate contracts)	1,912		—		1,912		—		NI

 1 Other comprehensive income ("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. 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 obligations of state and political subdivisions, U.S. agencies or government-sponsored agencies' debt securities, mortgage-backed securities, government agency-issued, privately-issued collateralized mortgage obligations, and corporate bonds. As of June 30, 2021 and December 31, 2020, there were no Level 1 or Level 3 securities.

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Held-to-maturity securities may be written down to fair value as a result of impairment through a provision for credit losses in investments securities. We did not record any write-downs during the six months ended June 30, 2021 or June 30, 2020. 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. Level 2 inputs for the valuations are limited to observable market prices for London Interbank Offered Rate ("LIBOR") and Overnight Index Swap ("OIS") rates (for the very short term), quoted prices for LIBOR futures contracts, observable market prices for LIBOR and OIS swap rates, and one-month and three-month LIBOR basis spreads at commonly quoted intervals.  Mid-market pricing of the inputs is used as a practical expedient in the 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 LIBOR for the closest maturity term corresponding to the duration of the swaps to derive the CVA. A similar credit risk adjustment, correlated to the credit standing of the counterparty, is made when collateral posted by the counterparty does not fully cover their liability to us. For further discussion on our methodology in 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 impaired loans that are collateral dependent and other real estate owned ("OREO"). As of June 30, 2021 and December 31, 2020, we did not carry any assets measured at fair value on a non-recurring basis.

Disclosures about Fair Value of Financial Instruments

The table below is a summary of fair value estimates for financial instruments as of June 30, 2021 and December 31, 2020, 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") and non-maturity deposit liabilities. Additionally, we held shares of Federal Home Loan Bank ("FHLB") of San Francisco stock and Visa Inc. Class B common stock, both recorded 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 as of June 30, 2021 or December 31, 2020. The values are discussed in Note 4, Investment Securities.

	June 30, 2021					December 31, 2020
(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	$	257,543	$	257,543	Level 1	$	200,320	$	200,320	Level 1
Investment securities held-to-maturity	169,038		174,138		Level 2	109,036		115,185		Level 2
Loans, net	2,002,767		1,993,373		Level 3	2,065,682		2,089,192		Level 3
Interest receivable	10,160		10,160		Level 2	10,922		10,922		Level 2
Financial liabilities (recorded at amortized cost)
Time deposits	95,350		95,572		Level 2	97,433		97,769		Level 2
Subordinated debenture	—		—		Level 3	2,777		3,115		Level 3
Interest payable	53		53		Level 2	97		97		Level 2

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 not reflect actual or prospective market valuations. The

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discounted cash flow valuation approach reflects key inputs and assumptions such as loan probability of default, loss given default, prepayment speed, and market discount rates.

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

Fair value of the subordinated debenture is estimated using a discounted cash flow approach based on current interest rates for similar financial instruments adjusted for credit and liquidity spreads.

The value of unrecognized 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 June 30, 2021 or December 31, 2020.

Note 4:  Investment Securities

Our investment securities portfolio consists of obligations of state and political subdivisions, U.S. Corporations, U.S. federal government agencies such as Government National Mortgage Association ("GNMA") and Small Business Administration ("SBA"), U.S. government-sponsored enterprises ("GSEs"), such as Federal National Mortgage Association ("FNMA"), Federal Home Loan Mortgage Corporation ("FHLMC"), Federal Farm Credit Banks Funding Corporation and FHLB. 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 June 30, 2021 and December 31, 2020 is presented below.

Held-to-maturity:	Amortized Cost 1		Allowance for Credit Losses		Net Carrying Amount		Gross Unrealized				Fair Value
(in thousands)							Gains		(Losses)
June 30, 2021
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	74,115	$	—	$	74,115	$	3,247	$	—	$	77,362
CMOs issued by FHLMC	38,641		—		38,641		1,142		(38)		39,745
CMOs issued by FNMA	6,274		—		6,274		265		—		6,539
SBA-backed securities	5,697		—		5,697		361		—		6,058
Debentures of government-sponsored agencies	43,731		—		43,731		115		—		43,846
Obligations of state and political subdivisions	580		—		580		8		—		588
Total held-to-maturity	$	169,038	$	—	$	169,038	$	5,138	$	(38)	$	174,138
December 31, 2020
Corporate bonds	$	—	$	—	$	—	$	—	$	—	$	—
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	65,579	$	—	$	65,579	$	3,924	$	—	$	69,503
CMOs issued by FHLMC	27,201		—		27,201		1,441		—		28,642
CMOs issued by FNMA	8,042		—		8,042		363		—		8,405
SBA-backed securities	6,547		—		6,547		400		—		6,947
Obligations of state and political subdivisions	1,667		—		1,667		21		—		1,688
Total held-to-maturity	$	109,036	$	—	$	109,036	$	6,149	$	—	$	115,185
1 Amortized cost and fair values exclude accrued interest receivable of $550 thousand and $366 thousand at June 30, 2021 and December 31, 2020, 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 on a collective basis 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, management considers (i) issuer and/or guarantor credit

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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 by Moody's and/or Standard & Poor's bond ratings as of June 30, 2021.

	Obligations of state and political subdivisions
(in thousands)	June 30, 2021		December 31, 2020
AA	$	376	$	1,461
A	204		206
Total	$	580	$	1,667

A summary of the amortized cost, fair value and allowance for credit losses related to securities available-for-sale as of June 30, 2021 and December 31, 2020 is presented below.

Available-for-sale:	Amortized Cost 1		Gross Unrealized				Allowance for Credit Losses		Fair Value
(in thousands)			Gains		(Losses)
June 30, 2021
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	57,653	$	1,867	$	—	$	—	$	59,520
CMOs issued by FHLMC	160,949		5,573		(436)		—		166,086
CMOs issued by FNMA	36,636		428		—		—		37,064
CMOs issued by GNMA	21,855		258		—		—		22,113
SBA-backed securities	27,938		1,568		(46)		—		29,460
Debentures of government- sponsored agencies	76,321		128		(1,738)		—		74,711
Obligations of state and political subdivisions	117,595		5,694		(65)		—		123,224
Corporate bonds	5,987		—		(202)		—		5,785
Total available-for-sale	$	504,934	$	15,516	$	(2,487)	$	—	$	517,963
December 31, 2020
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	50,686	$	2,530	$	—	$	—	$	53,216
CMOs issued by FHLMC	143,267		7,925		(1)		—		151,191
CMOs issued by FNMA	16,450		580		—		—		17,030
CMOs issued by GNMA	6,863		351		—		—		7,214
SBA-backed securities	30,941		1,976		(55)		—		32,862
Debentures of government- sponsored agencies	19,944		266		(24)		—		20,186
Obligations of state and political subdivisions	104,887		5,765		—		—		110,652
Total available-for-sale	$	373,038	$	19,393	$	(80)	$	—	$	392,351
1 Amortized cost and fair value exclude accrued interest receivable of $2.4 million and $1.9 million June 30, 2021 and December 31, 2020, which is included in interest receivable and other assets in the consolidated statements of condition.

The amortized cost and fair value of investment debt securities by contractual maturity at June 30, 2021 and December 31, 2020 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.

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	June 30, 2021								December 31, 2020
	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	$	245	$	246	$	14,263	$	14,403	$	246	$	250	$	11,530	$	11,687
After one but within five years	20,203		21,184		53,194		55,835		7,550		7,961		59,028		62,397
After five years through ten years	58,465		60,963		183,706		189,492		52,113		55,872		144,908		154,089
After ten years	90,125		91,745		253,771		258,233		49,127		51,102		157,572		164,178
Total	$	169,038	$	174,138	$	504,934	$	517,963	$	109,036	$	115,185	$	373,038	$	392,351

Sales of investment securities and gross gains and losses are shown in the following table:

	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Available-for-sale:
Sales proceeds	$	—	$	6,314	$	—	$	33,756
Gross realized gains	—		116		—		916
Gross realized losses	—		(1)		—		(1)

Pledged investment securities are shown in the following table:

(in thousands)	June 30, 2021		December 31, 2020
Pledged to the State of California:
Secure public deposits in compliance with the Local Agency Security Program	$	145,128	$	131,051
Collateral for trust deposits	742		751
Total investment securities pledged to the State of California	145,870		131,802
Collateral for Wealth Management and Trust Services checking account	624		629
Total pledged investment securities	$	146,494	$	132,431

There were 23 and 10 securities in unrealized loss positions at June 30, 2021 and December 31, 2020, respectively. Those securities are summarized and classified according to the duration of the loss period in the tables below:

June 30, 2021	< 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:
CMOs issued by FHLMC	$	4,372	$	(38)	$	—	$	—	$	4,372	$	(38)
Total held-to-maturity	4,372		(38)		—		—		4,372		(38)
Available-for-sale:
MBS pass-through securities issued by FHLMC and FNMA	—		—		—		—		—		—
SBA-backed securities	—		—		1,417		(46)		1,417		(46)
CMOs issued by FNMA	—		—		—		—		—		—
CMOs issued by FHLMC	33,740		(436)		—		—		33,740		(436)
Debentures of government- sponsored agencies	63,594		(1,738)		—		—		63,594		(1,738)
Obligations of state and political subdivisions	2,550		(65)		—		—		2,550		(65)
Corporate bonds	5,785		(202)		—		—		5,785		(202)
Total available-for-sale	105,669		(2,441)		1,417		(46)		107,086		(2,487)
Total temporarily impaired securities	$	110,041	$	(2,479)	$	1,417	$	(46)	$	111,458	$	(2,525)

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December 31, 2020	< 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
Available-for-sale:
SBA-backed securities	$	—	$	—	$	1,790	$	(55)	$	1,790	$	(55)
CMOs issued by FHLMC	5,975		(1)		—		—		5,975		(1)
Debentures of government- sponsored agencies	3,943		(24)		—		—		3,943		(24)
Total available-for-sale	9,918		(25)		1,790		(55)		11,708		(80)
Total temporarily impaired securities	$	9,918	$	(25)	$	1,790	$	(55)	$	11,708	$	(80)

As of June 30, 2021, the investment portfolio included 4 investment securities that had been in a continuous loss position for twelve months or more and 19 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 by 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. 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 investment in obligations of state and political subdivisions bonds are deemed credit worthy after our comprehensive analysis of the issuers' latest financial information, credit ratings by major credit agencies, and/or credit enhancements.

At June 30, 2021, management determined that it did not intend to sell any investment securities with unrealized losses, and it is more likely than not that we will not be required to sell securities with unrealized losses before recovery of their amortized cost. Therefore, no allowances for credit losses has been recognized on available for sale securities in an unrealized loss position as management does not believe any of the securities are impaired due to reasons of credit quality at June 30, 2021.

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 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 $11.9 million of FHLB stock included in other assets on the consolidated statements of condition at both June 30, 2021 and December 31, 2020. The carrying amounts of these investments are reasonable estimates of fair value because the securities are restricted to member banks and they 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 June 30, 2021 and December 31, 2020. On July 29, 2021, FHLB announced a cash dividend for the second quarter of 2021 at an annualized dividend rate of 6.00% to be distributed in mid-August 2021. 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 at June 30, 2021 and December 31, 2020. These shares have a carrying value of zero and are restricted 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 escrow account. Because of the restriction and the uncertainty on the conversion rate to Class A shares, these shares lack a readily determinable fair value. When converting this Class B common stock to Class A common stock based on the estimated conversion rate of 1.6228 both at June 30, 2021 and December 31, 2020, and the closing stock price of Class A shares at those respective dates, the converted value of our shares of Class B common stock would have been $4.0 million and $3.7 million at June 30, 2021 and December 31, 2020, respectively. The conversion rate is subject to further adjustment upon the final settlement of the covered litigation

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against Visa Inc. and its member banks. As such, the fair value of these Class B shares can differ significantly from their converted values. For further information, refer to Note 8, Commitments and Contingencies.

Low Income Housing Tax Credits

We invest in low-income housing tax credit funds as a limited partner, which totaled $3.3 million and $3.5 million recorded in other assets as of June 30, 2021 and December 31, 2020, respectively. In the first six months of 2021, we recognized $323 thousand of low-income housing tax credits and other tax benefits, offset by $271 thousand of amortization expense of low-income housing tax credit investment, as a component of income tax expense. As of June 30, 2021, our unfunded commitments for these low-income housing tax credit funds totaled $474 thousand. We did not recognize any impairment losses on these low-income housing tax credit investments during the first six months of 2021 or 2020, as the value of the future tax benefits exceeds the carrying value of the investments.

Note 5:  Loans and Allowance for Credit Losses on Loans

Under the accounting relief provisions of the Coronavirus Aid, Relief and Economic Security ("CARES") Act passed in March 2020, we postponed the adoption of the CECL standard from January 1, 2020 to December 31, 2020. Upon adoption we used a modified retrospective method effective October 1, 2020 (the beginning of the first reporting period in which the standard was effective due to the postponement of CECL) through a cumulative adjustment to retained earnings. The cumulative adjustment to retained earnings was recorded, net of taxes, based on economic forecasts and other assumptions as of December 31, 2019. Results for reporting periods beginning after September 30, 2020 have been presented under the new standard while prior period amounts continue to be reported in accordance with previously applicable GAAP. Certain prior period credit quality disclosures related to impaired loans and individually and collectively evaluated loans were superseded with the CECL accounting standards and have not been included below. Refer to Notes 1 and 3 under Part II, Item 8, of our 2020 Form 10-K for additional information regarding the adoption of CECL. In addition, refer to Note 5 under Part I, Item 1, of our June 30, 2020 Form 10-Q for prior period information.

The following table presents the amortized cost of loans by class as of June 30, 2021 and December 31, 2020.

(in thousands)	June 30, 2021		December 31, 2020
Commercial and industrial	$	423,646	$	498,408
Real estate:
Commercial owner-occupied	296,407		304,963
Commercial investor-owned	967,335		961,208
Construction	80,841		73,046
Home equity	92,510		104,813
Other residential	120,903		123,395
Installment and other consumer loans	21,125		22,723
Total loans, at amortized cost 1	2,002,767		2,088,556
Allowance for credit losses on loans	(19,100)		(22,874)
Total loans, net	$	1,983,667	$	2,065,682

1 Amortized cost includes net deferred loan origination fees of $(5.2) million and $(4.9) million at June 30, 2021 and December 31, 2020, respectively. Amounts are also net of unrecognized purchase discounts of $737 thousand and $815 thousand at June 30, 2021 and December 31, 2020, respectively. Amortized cost excludes accrued interest, which totaled $7.3 million and $8.8 million at June 30, 2021 and December 31, 2020, respectively, and is included in interest receivable and other assets in the consolidated statements of condition.

Lending Risks

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

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economy, and resultant decreased consumer and/or business spending, may have an effect on the credit quality of commercial loans.

In April 2020, the Bank began participating in the Small Business Administration's ("SBA") Paycheck Protection Program ("PPP"). As of June 30, 2021, there were 1,532 PPP loans outstanding. PPP loans totaling $248.3 million (net of $6.5 million in unrecognized fees and costs) and $291.6 million (net of $5.4 million in unrecognized fees and costs) as of June 30, 2021 and December 31, 2020, respectively, were included in commercial and industrial loan balances. Of the 1,532 PPP loans outstanding as of June 30, 2021, 1,060 loans totaling $136.0 million were funded during the first half of 2021 under the second round of the PPP stimulus plan. PPP loans have terms of two to five years and earn interest at 1%. In addition, the SBA paid the Bank a fee of 1%-5% depending on the loan amount, which was netted with loan origination costs and accreted/amortized into interest income using the effective yield method over the contractual life of each loan. The recognition of fees and costs is accelerated when the SBA forgives the loan and/or the loan is paid off prior to maturity. PPP loans are fully guaranteed by the SBA and have virtually no risk of loss. We expect the vast majority of the PPP loans to be fully forgiven by the SBA.

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 and to be 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 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 the commercial real estate projects. As such, we have generally experienced a relatively low level of loss 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 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 and floating homes 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

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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 marketability is more uncertain. This category also includes “Watch” loans, where the primary source of repayment has been delayed. “Watch” 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 a well-defined weakness or weaknesses that jeopardize(s) 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 of 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 usually are collateral-dependent.

We regularly review our credits for accuracy of risk grades whenever we receive new information. 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 class, origination year and internal risk rating as of June 30, 2021 and December 31, 2020. 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
June 30, 2021	2021		2020		2019		2018		2017		Prior				Total
Commercial and industrial:
Pass	$	137,058	$	129,992	$	20,274	$	10,797	$	3,621	$	35,228	$	82,806	$	419,776
Special Mention	—		—		638		442		101		5		445		1,631
Substandard	—		1,099		369		—		—		—		771		2,239
Total commercial and industrial	$	137,058	$	131,091	$	21,281	$	11,239	$	3,722	$	35,233	$	84,022	$	423,646
Commercial real estate, owner-occupied:
Pass	$	19,776	$	29,440	$	26,861	$	40,403	$	40,695	$	94,071	$	—	$	251,246
Special Mention	—		—		—		2,360		16,419		8,173		—		26,952
Substandard	—		7,148		293		—		—		10,768		—		18,209
Total commercial real estate, owner-occupied	$	19,776	$	36,588	$	27,154	$	42,763	$	57,114	$	113,012	$	—	$	296,407
Commercial real estate, investor-owned:
Pass	$	115,580	$	159,350	$	142,354	$	136,108	$	72,393	$	311,508	$	98	$	937,391
Special Mention	—		—		5,203		5,461		1,803		7,920		—		20,387
Substandard	—		—		2,715		4,422		—		2,420		—		9,557
Total commercial real estate, investor-owned	$	115,580	$	159,350	$	150,272	$	145,991	$	74,196	$	321,848	$	98	$	967,335
Construction:
Pass	$	3,699	$	43,733	$	24,379	$	9,030	$	—	$	—	$	—	$	80,841
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total construction	$	3,699	$	43,733	$	24,379	$	9,030	$	—	$	—	$	—	$	80,841
Home equity:
Pass	$	—	$	—	$	—	$	—	$	—	$	511	$	91,191	$	91,702
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		386		422		808
Total home equity	$	—	$	—	$	—	$	—	$	—	$	897	$	91,613	$	92,510

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(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
June 30, 2021	2021		2020		2019		2018		2017		Prior				Total
Other residential:
Pass	$	12,426	$	33,282	$	27,503	$	18,566	$	8,948	$	20,178	$	—	$	120,903
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total other residential	$	12,426	$	33,282	$	27,503	$	18,566	$	8,948	$	20,178	$	—	$	120,903
Installment and other consumer:
Pass	$	3,318	$	2,038	$	3,320	$	2,305	$	1,248	$	7,183	$	1,713	$	21,125
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total installment and other consumer	$	3,318	$	2,038	$	3,320	$	2,305	$	1,248	$	7,183	$	1,713	$	21,125
Total loans:
Pass	$	291,857	$	397,835	$	244,691	$	217,209	$	126,905	$	468,679	$	175,808	$	1,922,984
Total Special Mention	$	—	$	—	$	5,841	$	8,263	$	18,323	$	16,098	$	445	$	48,970
Total Substandard	$	—	$	8,247	$	3,377	$	4,422	$	—	$	13,574	$	1,193	$	30,813
Totals	$	291,857	$	406,082	$	253,909	$	229,894	$	145,228	$	498,351	$	177,446	$	2,002,767

(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
December 31, 2020	2020		2019		2018		2017		2016		Prior				Total
Commercial and industrial:
Pass	$	308,237	$	22,589	$	12,596	$	4,508	$	5,915	$	34,282	$	85,889	$	474,016
Special Mention	—		2,034		1,318		141		11		49		19,092		22,645
Substandard	1,747		—		—		—		—		—		—		1,747
Total commercial and industrial	$	309,984	$	24,623	$	13,914	$	4,649	$	5,926	$	34,331	$	104,981	$	498,408
Commercial real estate, owner-occupied:
Pass	$	31,029	$	27,581	$	32,603	$	43,843	$	12,768	$	101,014	$	—	$	248,838
Special Mention	—		—		11,764		17,062		7,343		6,601		—		42,770
Substandard	7,147		—		—		—		6,208		—		—		13,355
Total commercial real estate, owner-occupied	$	38,176	$	27,581	$	44,367	$	60,905	$	26,319	$	107,615	$	—	$	304,963
Commercial real estate, investor-owned:
Pass	$	162,300	$	144,751	$	173,955	$	100,842	$	94,862	$	253,611	$	117	$	930,438
Special Mention	—		10,695		—		1,819		—		8,124		—		20,638
Substandard	—		2,716		4,435		—		1,553		1,428		—		10,132
Total commercial real estate, investor-owned	$	162,300	$	158,162	$	178,390	$	102,661	$	96,415	$	263,163	$	117	$	961,208
Construction:
Pass	$	31,654	$	30,150	$	11,242	$	—	$	—	$	—	$	—	$	73,046
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total construction	$	31,654	$	30,150	$	11,242	$	—	$	—	$	—	$	—	$	73,046
Home equity:
Pass	$	—	$	—	$	—	$	—	$	128	$	694	$	102,614	$	103,436
Special Mention	—		—		—		—		—		—		799		799
Substandard	—		—		—		—		—		391		187		578
Total home equity	$	—	$	—	$	—	$	—	$	128	$	1,085	$	103,600	$	104,813
Other residential:
Pass	$	34,447	$	31,079	$	23,673	$	10,574	$	6,035	$	17,587	$	—	$	123,395
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total other residential	$	34,447	$	31,079	$	23,673	$	10,574	$	6,035	$	17,587	$	—	$	123,395
Installment and other consumer:
Pass	$	2,361	$	4,382	$	3,483	$	1,543	$	3,423	$	4,921	$	2,593	$	22,706
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		17		—		—		—		17
Total installment and other consumer	$	2,361	$	4,382	$	3,483	$	1,560	$	3,423	$	4,921	$	2,593	$	22,723
Total loans:
Pass	$	570,028	$	260,532	$	257,552	$	161,310	$	123,131	$	412,109	$	191,213	$	1,975,875
Total Special Mention	$	—	$	12,729	$	13,082	$	19,022	$	7,354	$	14,774	$	19,891	$	86,852
Total Substandard	$	8,894	$	2,716	$	4,435	$	17	$	7,761	$	1,819	$	187	$	25,829
Totals	$	578,922	$	275,977	$	275,069	$	180,349	$	138,246	$	428,702	$	211,291	$	2,088,556

The following table shows the amortized cost of loans by class, payment aging and non-accrual status as of June 30, 2021 and December 31, 2020.

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Loan Aging Analysis by Class
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor-owned		Construction		Home equity		Other residential		Installment and other consumer		Total
June 30, 2021
30-59 days past due	$	367	$	—	$	—	$	—	$	—	$	—	$	—	$	367
60-89 days past due	—		—		—		—		121		—		—		121
90 days or more past due	—		—		878		—		—		—		—		878
Total past due	367		—		878		—		121		—		—		1,366
Current	423,279		296,407		966,457		80,841		92,389		120,903		21,125		2,001,401
Total loans 1	$	423,646	$	296,407	$	967,335	$	80,841	$	92,510	$	120,903	$	21,125	$	2,002,767
Non-accrual loans 2	$	—	$	7,148	$	1,597	$	—	$	445	$	—	$	—	$	9,190
Non-accrual loans with no allowance	$	—	$	7,148	$	1,597	$	—	$	445	$	—	$	—	$	9,190
December 31, 2020
30-59 days past due	$	—	$	—	$	1,673	$	—	$	274	$	—	$	136	$	2,083
60-89 days past due	—		—		—		—		—		—		622		622
90 days or more past due	—		—		—		—		—		—		—		—
Total past due	—		—		1,673		—		274		—		758		2,705
Current	498,408		304,963		959,535		73,046		104,539		123,395		21,965		2,085,851
Total loans 1	$	498,408	$	304,963	$	961,208	$	73,046	$	104,813	$	123,395	$	22,723	$	2,088,556
Non-accrual loans 2	$	—	$	7,147	$	1,610	$	—	$	459	$	—	$	17	$	9,233
Non-accrual loans with no allowance	$	—	$	7,147	$	1,610	$	—	$	459	$	—	$	17	$	9,233

1 There were no loans past due more than ninety days accruing interest at June 30, 2021 or December 31, 2020.

2 None of the non-accrual loans as of June 30, 2021 or December 31, 2020 were earning interest on a cash basis. We recognized no interest income on non-accrual loans for the three and six months ended June 30, 2021 and 2020. There were no new loans placed on non-accrual status during the six months ended June 30, 2021. Accrued interest of $20 thousand was reversed from interest income for loans that were placed on non-accrual status during the six months ended June 30, 2020.

Collateral Dependent Loans

The following table presents the amortized cost basis of individually analyzed collateral-dependent non-accrual loans by class at June 30, 2021 and December 31, 2020.

	Amortized Cost by Collateral Type
(in thousands)	Commercial Real Estate		Residential Real Estate		Other		Total		Allowance for Credit Losses
June 30, 2021
Commercial real estate, owner-occupied	$	7,148	$	—	$	—	$	7,148	$	—
Commercial real estate, investor-owned	1,597		—		—		1,597		—
Home equity	—		445		—		445		—
Total	$	8,745	$	445	$	—	$	9,190	$	—
December 31, 2020
Commercial real estate, owner-occupied	$	7,147	$	—	$	—	$	7,147	$	—
Commercial real estate, investor-owned	1,610		—		—		1,610		—
Home equity	—		459		—		459		—
Installment and other consumer	—		—		17		17		—
Total	$	8,757	$	459	$	17	$	9,233	$	—

No collateral-dependent loans were in process of foreclosure at June 30, 2021 or December 31, 2020. In addition, the weighted average loan-to-value of collateral dependent loans was approximately 58.7% at June 30, 2021 and 59.2% at December 31, 2020.

Troubled Debt Restructuring

Our loan portfolio includes certain loans modified in a troubled debt restructuring (“TDR”), where we have granted economic concessions to borrowers experiencing financial difficulties. These concessions typically result from our loss mitigation activities and could include reductions in the interest rate, payment extensions, forgiveness of principal, forbearance or other actions. TDRs on non-accrual status at the time of restructure may be returned to accruing status after management considers the borrower’s sustained repayment performance for a reasonable period, generally nine months, and obtains reasonable assurance of repayment and performance.

We may remove a loan from TDR designation if it meets all of the following conditions:

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•The loan is subsequently refinanced or restructured at current market interest rates and the new terms are consistent with the treatment of creditworthy borrowers under regular underwriting standards;

•The borrower is no longer considered to be in financial difficulty;

•Performance on the loan is reasonably assured; and

•Existing loan did not have any forgiveness of principal or interest.

There were no loans removed from TDR designation during the six months ended June 30, 2021 and 2020.

In accordance with section 4013 of the CARES Act, subsequently amended by section 541 of the Economic Aid Act, we elected to apply the temporary accounting relief provisions for loan modifications that met certain criteria, which would otherwise be designated TDRs under existing GAAP. As of June 30, 2021, 7 borrowing relationships with 12 loans totaling $49.8 million were continuing to benefit from payment relief. Subsequent to quarter end and prior to the filing of this report, one relationship with three loans totaling $6.4 million transitioned out of the payment relief program and resumed normal contractual payments. The weighted average loan-to-value ratio of the remaining payment relief loans was approximately 41%. We accrue and recognize interest income on loans under payment relief based on the original contractual interest rates. When payments resume at the end of the relief period, the payments will generally be applied to accrued interest due until accrued interest is fully paid.

The following table summarizes the carrying amount of TDR loans by loan class as of June 30, 2021 and December 31, 2020.

(in thousands)
Recorded Investment in Troubled Debt Restructurings 1	June 30, 2021		December 31, 2020
Commercial and industrial	$	821	$	1,021
Commercial real estate, owner-occupied	7,148		7,147
Commercial real estate, investor-owned	1,729		3,305
Home equity	276		281
Installment and other consumer	745		752
Total	$	10,719	$	12,506

1TDR loans on non-accrual status totaled $7.4 million at both June 30, 2021 and December 31, 2020. Unfunded commitments for TDR loans totaled $845 thousand as of June 30, 2021

The following table presents information for loans modified in a TDR during the presented periods, including the number of modified contracts, the recorded investment in the loans prior to modification, and the recorded investment in the loans at period end after being restructured. The table excludes fully charged-off TDR loans and loans modified in a TDR and subsequently paid-off during the years presented, if applicable.

(dollars in thousands)	Number of Contracts Modified	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment at Period End
TDRs during the three months ended June 30, 2021:
None	—	$	—	$	—	$	—
TDRs during the three months ended June 30, 2020:
Home equity	1	$	276	$	276	$	276
Installment and other consumer	1	108		108		108
Total	2	$	384	$	384	$	384

TDRs during the six months ended June 30, 2021:
None	—	$	—	$	—	$	—
TDRs during the six months ended June 30, 2020:
Commercial and industrial	1	$	170	$	162	$	144
Home equity	1	276		276		276
Installment and other consumer	3	211		211		210
Total	5	$	657	$	649	$	630

The loans modified in 2020 reflected debt consolidation, interest rate concessions, and/or other loan term and payment modifications. During the six months ended June 30, 2021 and 2020, there were no defaults on loans that had been modified in a TDR within the prior twelve-month period. We report defaulted TDRs based on a payment default definition of more than ninety days past due.

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

Allowance for Credit Losses on Loans Rollforward
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor-owned		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
Three months ended June 30, 2021
Beginning balance	$	1,654	$	2,304	$	10,856	$	1,312	$	520	$	757	$	255	$	2,300	$	19,958
Provision (reversal) - CECL	(68)		(267)		(95)		(178)		(158)		(144)		(17)		7		(920)
Charge-offs	—		—		—		—		—		—		—		—		—
Recoveries	4		—		—		8		50		—		—		—		62
Ending balance	$	1,590	$	2,037	$	10,761	$	1,142	$	412	$	613	$	238	$	2,307	$	19,100
Three months ended June 30, 2020
Beginning balance	$	2,784	$	2,797	$	9,225	$	727	$	982	$	1,098	$	363	$	908	$	18,884
Provision - incurred loss	(159)		113		1,178		109		62		168		63		466		2,000
Charge-offs	(20)		—		—		—		—		—		—		—		(20)
Recoveries	4		—		—		—		—		—		—		—		4
Ending balance	$	2,609	$	2,910	$	10,403	$	836	$	1,044	$	1,266	$	426	$	1,374	$	20,868

Allowance for Credit Losses on Loans Rollforward
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
Six months ended June 30, 2021
Beginning balance	$	2,530	$	2,778	$	12,682	$	1,557	$	738	$	998	$	291	$	1,300	$	22,874
Provision (reversal) - CECL	(947)		(741)		(1,921)		(433)		(376)		(385)		(53)		1,007		(3,849)
Charge-offs	—		—		—		—		—		—		—		—		—
Recoveries	7		—		—		18		50		—		—		—		75
Ending balance	$	1,590	$	2,037	$	10,761	$	1,142	$	412	$	613	$	238	$	2,307	$	19,100
Six months ended June 30, 2020
Beginning balance	$	2,334	$	2,462	$	8,483	$	638	$	850	$	973	$	284	$	653	$	16,677
Provision - incurred loss	287		448		1,920		195		194		293		142		721		4,200
Charge-offs	(20)		—		—		—		—		—		—		—		(20)
Recoveries	8		—		—		3		—		—		—		—		11
Ending balance	$	2,609	$	2,910	$	10,403	$	836	$	1,044	$	1,266	$	426	$	1,374	$	20,868

We adopted the CECL accounting standard on December 31, 2020, which we had previously postponed under the optional accounting relief provisions of the CARES Act passed in March 2020 to the earlier of the end of the national emergency or December 31, 2020. During the first six months of 2020, we applied the incurred loss method under previous GAAP in determining the allowance for credit losses on loans.

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 $1.092 billion and $1.165 billion at June 30, 2021 and December 31, 2020, respectively. In addition, we pledge eligible TIC loans, which totaled $113.0 million and $113.6 million at June 30, 2021 and December 31, 2020, respectively, to secure our borrowing capacity with the Federal Reserve Bank ("FRB"). Also, see Note 6, 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 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. Related party loans totaled $5.3 million at

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June 30, 2021 and $6.4 million at December 31, 2020. In addition, undisbursed commitments to related parties totaled $9.1 million at June 30, 2021 and December 31, 2020.

Note 6: Borrowings and Other Obligations

Federal Funds Purchased – The Bank had unsecured available lines of credit with correspondent banks for overnight borrowings totaling $115.0 million at June 30, 2021 and $135.0 million at December 31, 2020.  In general, interest rates on these lines approximate the federal funds target rate. We had no overnight borrowings under these credit facilities at June 30, 2021 or December 31, 2020.

Federal Home Loan Bank Borrowings – As of June 30, 2021 and December 31, 2020, the Bank had available lines of credit with the FHLB totaling $629.9 million and $642.5 million, respectively, based on eligible collateral of certain loans. There were no FHLB overnight borrowings at June 30, 2021 or December 31, 2020.

Federal Reserve Line of Credit – The Bank has an available line of credit with the FRBSF secured by certain residential loans.  At June 30, 2021 and December 31, 2020, the Bank had borrowing capacity under this line totaling $77.6 million and $78.7 million, respectively, and had no outstanding borrowings with the FRBSF.

Subordinated Debenture – As part of an acquisition in 2013, Bancorp assumed a subordinated debenture with a contractual balance of $4.1 million due to NorCal Community Bancorp Trust II (the "Trust"), established for the sole purpose of issuing trust preferred securities. On March 15, 2021, Bancorp redeemed in full the $2.8 million (book value) subordinated debenture due to the Trust, which had an effective interest rate of 6.5% for the first six months of 2020. The higher effective rate for the first six months of 2021 included accelerated accretion of the $1.3 million remaining purchase discount due to the early redemption. Accretion was $17 thousand and $35 thousand for the three and six months ended June 30, 2020, respectively.

Other Obligations – Finance lease liabilities totaling $438 thousand and $58 thousand at June 30, 2021 and December 31, 2020, respectively, are included in borrowings and other obligations in the consolidated statements of condition. See Note 8, Commitments and Contingencies, for additional information.

Note 7:  Stockholders' Equity

Dividends

On July 16, 2021, Bancorp declared a $0.24 per share cash dividend, payable on August 6, 2021 to shareholders of record at the close of business on July 30, 2021.

Share-Based Payments

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 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. Beginning in 2018, stock option 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.

Performance-based stock awards (restricted stock) are issued to a selected group of employees. 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 achieved 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.

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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 with a corresponding decrease (increase) to current taxes payable.

The holders of unvested restricted stock awards are entitled to dividends on 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 with a corresponding decrease to current taxes payable. Dividends on forfeited awards are included in stock-based compensation expense.

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. During the six months ended June 30, 2021, we withheld 27,547 shares totaling $1.1 million at a weighted-average price of $38.87 for cashless exercises. During the six months ended June 30, 2020, we withheld 8,409 shares totaling $346 thousand at a weighted-average price of $41.17 for cashless exercises. Shares withheld under net settlement arrangements are available for future grants.

Share Repurchase Program

On April 23, 2018, Bancorp announced that its Board of Directors approved a share repurchase program under which Bancorp may repurchase up to $25.0 million of its outstanding common stock through May 1, 2019. Bancorp's Board of Directors subsequently extended the share repurchase program through February 28, 2020. After expiration of this share repurchase program, a new share repurchase program began on March 5, 2020. This new program was approved on January 24, 2020 by Bancorp Board of Directors, allowing Bancorp to repurchase up to $25.0 million of its outstanding common stock through February 28, 2022. The share repurchase program, which began on March 5, 2020, was suspended by the Board of Directors on March 20, 2020 in response to the COVID-19 pandemic. The program was reactivated by the Board of Directors on October 23, 2020 and completed in May 2021 upon depletion of repurchase funds. A new share repurchase program was approved by Bancorp Board of Directors on July 16, 2021 under which Bancorp may repurchase up to $25.0 million of its outstanding common stock through July 31, 2023.

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.

During the six months ended June 30, 2021, Bancorp repurchased 521,948 shares totaling $19.3 million for a cumulative 691,519 shares amounting to $25.0 million under the $25.0 million share repurchase program that was approved by the Board of Directors on January 24, 2020.

Note 8:  Commitments and Contingencies

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.

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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)	June 30, 2021		December 31, 2020
Commercial lines of credit	$	282,611	$	287,533
Revolving home equity lines	201,986		189,035
Undisbursed construction loans	73,757		41,033
Personal and other lines of credit	10,185		9,567
Standby letters of credit	3,167		1,964
Total commitments and standby letters of credit	$	571,706	$	529,132

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 $1.6 million and $2.8 million as of June 30, 2021 and December 31, 2020, respectively, which is recorded in interest payable and other liabilities in the consolidated statements of condition. We adopted the CECL accounting standard on December 31, 2020. We applied the incurred loss method under previous GAAP in determining the allowance for credit losses on unfunded commitments for the three and six month periods ended June 30, 2020. We recorded reversals of the allowance for credit losses on unfunded commitments totaling $612 thousand and $1.2 million for the three and six month periods ended June 30, 2021, respectively. This compares to provisions for credit losses on unfunded commitments for the three and six month periods ended June 30, 2020 totaling $260 thousand and $362 thousand, respectively. In the current period, we reclassified the provision for credit losses on unfunded commitments from non-interest expense to a separate line item under the provision for credit losses on loans in the consolidated statements of comprehensive income.

Leases

We lease premises under long-term non-cancelable operating leases with remaining terms of 1 year to 11 years, 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 3 years to 4 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.

(in thousands)	June 30, 2021		December 31, 2020
Operating leases:
Operating lease right-of-use assets	$	23,506	$	25,612
Operating lease liabilities	$	24,919	$	27,062
Finance leases:
Finance lease right-of-use assets	$	473	$	365
Accumulated amortization	(37)		(307)
Finance lease right-of-use assets, net1	$	436	$	58
Finance lease liabilities2	$	438	$	58
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.

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The following table shows supplemental disclosures of noncash investing and financing activities for the period presented.

	Six months ended
(in thousands)	June 30, 2021		June 30, 2020
Right-of-use assets obtained in exchange for operating lease liabilities	$	—	$	14,030
Right-of-use assets obtained in exchange for finance lease liabilities	$	412	$	18

The following table shows components of operating and finance lease cost.

	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Operating lease cost	$	1,164	$	1,114	$	2,328	$	2,169
Variable lease cost	—		2		—		3
Total operating lease cost1	$	1,164	$	1,116	$	2,328	$	2,172
Finance lease cost:
Amortization of right-of-use assets2	$	7	$	44	$	34	$	88
Interest on finance lease liabilities3	—		1		—		$	2
Total finance lease cost	7		45		$	34	$	90
Total lease cost	$	1,171	$	1,161	$	2,362	$	2,262
1 Included in occupancy and equipment expense in the consolidated statements of comprehensive income.
2 Included in depreciation and amortization in the consolidated statements of comprehensive income.
3 Included in interest on borrowings and other obligations in the consolidated statements of comprehensive income.

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 June 30, 2021. 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 later of the date we adopted the new lease accounting standards or lease commencement date.

(in thousands)	June 30, 2021
Year	Operating Leases			Finance Leases
2021	$	2,246		$	52
2022	4,424			118
2023	4,004			108
2024	3,300			104
2025	2,876			61
Thereafter	9,867			—
Total minimum lease payments	26,717			443
Amounts representing interest (present value discount)	(1,798)			(5)
Present value of net minimum lease payments (lease liability)	$	24,919		$	438
Weighted average remaining term (in years)	7.5			4.0
Weighted average discount rate	1.79		%	0.66		%

Litigation Matters

Bancorp may be party 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"). 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. Visa established an escrow account to pay for settlements or judgments in the Covered Litigation. Under the terms of the U.S. retrospective responsibility plan, when Visa funds the litigation escrow account, it triggers a conversion rate reduction of the Class B common stock

Page-25

to shares of Class A common stock, effectively reducing the aggregate value of the Class B common stock held by Visa's member banks like us.

In 2012, Visa had reached a $4.0 billion interchange multidistrict litigation class settlement agreement with plaintiffs representing a class of U.S. retailers. The escrow balance of $894 million as of June 30, 2021, combined with funds previously deposited with the court, are expected to cover the settlement payment obligations.

The outcome of the Covered Litigation affects the conversion rate of Visa Class B common stock held by us to Visa Class A common stock, as discussed above and in Note 4, Investment Securities. The final conversion rate is subject to change depending on the final settlement payments, and the full effect on member banks is still uncertain. 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.

Note 9: Derivative Financial Instruments and Hedging Activities

We entered into interest rate swap agreements, primarily as an asset/liability management strategy, in order to mitigate the changes in the fair value of specified long-term fixed-rate loans (or firm commitments to enter into long-term fixed-rate loans) caused by changes in interest rates. These hedges allow 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 LIBOR index, protects us against changes in the fair value of our loans associated with fluctuating interest rates.

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.

As of June 30, 2021, we had four interest rate swap agreements, which are scheduled to mature in June 2031, October 2031, July 2032, and October 2037. All of our derivatives are accounted for as fair value hedges. The notional amounts of the interest rate contracts are equal to the notional amounts of the hedged loans. Our interest rate swap payments are settled monthly with counterparties. Accrued interest on the swaps totaled $10 thousand at June 30, 2021 and $11 thousand at December 31, 2020. Information on our derivatives follows:

	Asset Derivatives				Liability Derivatives
(in thousands)	June 30, 2021		December 31, 2020		June 30, 2021		December 31, 2020
Fair value hedges:
Interest rate contracts notional amount	$	—	$	—	$	13,518	$	13,991
Interest rate contracts fair value1	$	—	$	—	$	1,363	$	1,912

1 See Note 3, 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 June 30, 2021 and December 31, 2020.

	Carrying Amounts of Hedged Assets				Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Loans
(in thousands)	June 30, 2021		December 31, 2020		June 30, 2021		December 31, 2020
Loans	$	14,734	$	15,745	$	1,216	$	1,753

The following table presents the net losses recognized in interest income on loans on the consolidated statements of comprehensive income related to our derivatives designated as fair value hedges.

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	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Interest and fees on loans 1	$	21,429	$	21,217	$	42,090	$	42,104
(Decrease) increase in fair value of designated interest rate swaps due to LIBOR interest rate movements	$	(170)	$	(63)	$	549	$	(1,504)
Payment on interest rate swaps	(93)		(96)		(185)		(146)
Increase (decrease) in fair value hedging adjustment of hedged loans	177		59		(537)		1,529
Decrease in value of yield maintenance agreement	(2)		(3)		(6)		(6)
Net losses on fair value hedging relationships recognized in interest income	$	(88)	$	(103)	$	(179)	$	(127)

1 Represents the income line item in the statement of comprehensive income in which the effects of fair value hedges are recorded.

Our derivative transactions with counterparties are under International Swaps and Derivative Association (“ISDA”) master agreements that include “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 of

Gross Amounts Not Offset in

Gross Amounts

Offset in the

Assets Presented

the Statements of Condition

of Recognized

Statements of

in the Statements

Financial

Cash Collateral

(in thousands)

Assets

Condition

of Condition

Instruments

Received

Net Amount

June 30, 2021

Derivatives by Counterparty:

Counterparty A

$

—

$

—

$

—

$

—

$

—

$

—

December 31, 2020

Derivatives by Counterparty:

Counterparty A

$

—

$

—

$

—

$

—

$

—

$

—

Offsetting of Financial Liabilities and Derivative Liabilities
			Gross Amounts		Net Amounts of		Gross Amounts Not Offset in
	Gross Amounts		Offset in the		Liabilities Presented		the Statements of Condition
	of Recognized		Statements of		in the Statements		Financial		Cash Collateral
(in thousands)	Liabilities1		Condition		of Condition1		Instruments		Pledged		Net Amount
June 30, 2021
Derivatives by Counterparty:
Counterparty A	$	1,363	$	—	$	1,363	$	—	$	(1,363)	$	—
December 31, 2020
Derivatives by Counterparty:
Counterparty A	$	1,912	$	—	$	1,912	$	—	$	(1,912)	$	—

1 Amounts exclude accrued interest on swaps.

For more information on how we account for our interest rate swaps, refer to Note 1 to the Consolidated Financial Statements included in our 2020 Form 10-K filed with the SEC on March 15, 2021.

Note 10: Merger Agreement

On April 16, 2021, Bancorp entered into a definitive agreement to acquire American River Bankshares ("AMRB"), parent company of American River Bank ("ARB"), whereby AMRB will merge with and into Bancorp and immediately thereafter ARB will merge with and into Bank of Marin (collectively, the "Merger"). The acquisition will expand Bank of Marin's presence throughout the Greater Sacramento, Amador and Sonoma County Regions where ARB has ten branches. Under the terms of the merger agreement, AMRB shareholders will receive a fixed exchange ratio of 0.575 shares of Bancorp's common stock for each share of AMRB's common stock outstanding upon consummation of the Merger. AMRB had total assets of $906.1 million, total deposits of $787.7 million, and total loans of $434.2 million as of June 30, 2021. These amounts are subject to fair value adjustments upon the close of the Merger. The merger has been approved by the Boards of Directors of each company, all applicable regulatory agencies and shareholders of AMRB and BMRC. The Merger is expected to close on August 6, 2021.

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ITEM 2.     Management’s Discussion and Analysis of Financial Condition and Results of Operations

Management's discussion of the financial condition and results of operations, which is unaudited, should be read in conjunction with the related consolidated financial statements in this Form 10-Q and with the audited consolidated financial statements and accompanying notes included in our 2020 Annual Report on Form 10-K. Average balances, including balances used in calculating certain financial ratios, are generally comprised of average daily balances.

Forward-Looking Statements

This discussion of financial results includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, (the "1933 Act") and Section 21E of the Securities Exchange Act of 1934, as amended, (the "1934 Act"). Those sections of the 1933 Act and 1934 Act provide a "safe harbor" for forward-looking statements to encourage companies to provide prospective information about their financial performance so long as they provide meaningful, cautionary statements identifying important factors that could cause actual results to differ significantly from projected results.

Our forward-looking statements include descriptions of plans or objectives of management for future operations, products or services, and forecasts of revenues, earnings or other measures of economic performance. Forward-looking statements can be identified by the fact that they do not relate strictly to historical or current facts. They often include the words "believe," "expect," "intend," "estimate" or words of similar meaning, or future or conditional verbs preceded by "will," "would," "should," "could" or "may."

Forward-looking statements are based on management's current expectations regarding economic, legislative, and regulatory issues that may affect our earnings in future periods. A number of factors, many of which are beyond management’s control, could cause future results to vary materially from current management expectations. Such factors include, but are not limited to, general economic conditions and the economic uncertainty in the United States and abroad, including changes in interest rates, deposit flows, real estate values, and expected future cash flows on loans and securities; costs or effects of acquisitions; competition; changes in accounting principles, policies or guidelines; changes in legislation or regulation (including the Coronavirus Aid, Relief and Economic Security Act of 2020, as amended, and the Economic Aid to Hard-Hit Small Businesses, Nonprofits and Venues Act of 2020); our borrowers’ actual payment performance as loan deferrals related to the COVID-19 pandemic expire, including the potential adverse impact of loan modifications and payment deferrals implemented consistent with recent regulatory guidance; natural disasters (such as wildfires and earthquakes in our area); adverse weather conditions; interruptions of utility service in our markets for sustained periods; and other economic, competitive, governmental, regulatory and technological factors (including external fraud and cybersecurity threats) affecting our operations, pricing, products and services.

In addition, events or factors that could cause results or performance to materially differ from those expressed in the forward-looking statements concerning the AMRB acquisition include, but are not limited to:

•the businesses of Bancorp and AMRB may not be integrated successfully or such integration may be more difficult, time-consuming or costly than expected;

•expected cost savings from the acquisition may not be fully realized or realized within the expected time frame;

•revenues following the merger may be lower than expected;

•customer and employee relationships and business operations may be disrupted by the acquisition; and

•the ability to obtain required regulatory and shareholder approvals, and the ability to complete the acquisition within the expected timeframe may be more difficult, time-consuming or costly than expected.

Important factors that could cause results or performance to materially differ from those expressed in our prior forward-looking statements are detailed in the Risk Factors section of our 2020 Form 10-K as filed with the SEC, copies of which are available from us at no charge. We do not undertake to update forward-looking statements to reflect circumstances or events that occur after the date the forward-looking statements are made or to reflect the occurrence of unanticipated events.

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Critical Accounting Policies and Estimates

The SEC requires us to disclose "critical accounting policies" defined as those that are both most important to the presentation of our financial condition and results of operations and require management's most difficult, subjective, or complex judgments, often because of the need to make estimates about the effect of matters that are inherently uncertain and imprecise. We consider accounting estimates to be critical to our financial results if (i) the accounting estimate requires management to make assumptions about matters that are highly uncertain, (ii) management could have applied different assumptions during the reported period, and (iii) changes in the accounting estimate are reasonably likely to occur in the future and could have a material impact on our financial statements. There have been no material changes to our critical accounting policies, which include: Allowance for Credit Losses on Loans and Unfunded Commitments, Allowance for Credit Losses on Investments Securities, Accounting for Income Taxes, and Fair Value Measurements. For a detailed discussion of these accounting policies, refer to Note 1 in the Consolidated Financial Statements included in our 2020 Form 10-K filed with the SEC on March 15, 2021.

Executive Summary

As previously reported, on April 16, 2021, Bancorp entered into a definitive agreement to acquire American River Bankshares ("AMRB"), parent company of American River Bank ("ARB"), whereby AMRB will merge with and into Bancorp and immediately thereafter ARB will merge with and into Bank of Marin (collectively, the "Merger"). We expect the transaction to be accretive to Bancorp's earnings, adding to shareholder value. AMRB shareholders will receive a fixed exchange ratio of 0.575 shares of Bancorp common stock for each share of AMRB common stock outstanding. Based on Bancorp's closing stock price of $39.06 on April 16, 2021 (date of merger agreement), the transaction was valued at $134.5 million (with approximately 3.4 million of additional shares of Bancorp common stock to be issued), or $22.46 per share of AMRB common stock, which includes the value of AMRB options being paid in cash. Such value will fluctuate with changes in Bancorp's stock price. Based on information currently available, Bank of Marin will have approximately $4.0 billion in assets and operate 31 branches in ten counties (Alameda, Amador, Contra Costa, Marin, Napa, Placer, Sacramento, San Francisco, San Mateo, and Sonoma) upon closing. The merger has been approved by the Boards of Directors of each company, all applicable regulatory agencies and shareholders of AMRB and BMRC. The Merger is expected to close on August 6, 2021. For other important factors regarding the AMRB acquisition, please see Note 10, Merger Agreement, and the Forward-Looking Statements section of this Form 10-Q.

Net income for the second quarter of 2021 totaled $9.3 million, compared to $7.4 million in the second quarter of 2020. Diluted earnings per share were $0.71 in the second quarter of 2021, compared to $0.55 in the same quarter a year ago. Earnings for the first six months of 2021 totaled $18.2 million, compared to $14.6 million in the same period a year ago. Diluted earnings per share were $1.37, compared to $1.07 in the first half of 2020.

Net income included the recognition of $2.6 million and $4.3 million of SBA PPP fees, net of costs in the second quarter of 2021 and first six months of 2021, respectively, compared to $1.2 million in the same periods a year ago. Additionally, reversals of the allowance for credit losses on loans totaling $920 thousand and $3.8 million in the second quarter and first half of 2021 contributed to the increase in earnings when compared to provisions of $2.0 million and $4.2 million in the comparative periods a year ago. Increases to income in the first half of 2021 were partially offset by the early redemption of our last subordinated debenture, generating $1.3 million accelerated discount accretion in interest expense in the first quarter of 2021.

The following are highlights of our operating and financial performance for the periods presented:

•Loans totaled $2.003 billion at June 30, 2021, compared to $2.089 billion at December 31, 2020, a decrease of $85.8 million, or 4.1%. The first half of 2021 included a $43.3 million net decrease in PPP loans. Non-PPP-related loan originations of $69.1 million were more than offset by loan payoffs of $95.4 million and a $34.8 million decrease in line utilization.

•Credit quality remained strong, with non-accrual loans representing $9.2 million at June 30, 2021 and December 31, 2020, or 0.46% and 0.44% of total loans, respectively. The ratio of allowance for credit losses on loans to total loans was 0.95% at June 30, 2021 and 1.10% at December 31, 2020. Excluding acquired and SBA PPP loans, the allowance for credit losses on loans represented 1.09% of total loans as of June 30, 2021, compared to 1.27% as of December 31, 2020 (see Results of Operations for a definition of this non-GAAP financial measure).

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•Return on average assets ("ROA") and return on average equity ("ROE") were 1.20% and 10.72% in the second quarter of 2021, compared to 1.21% and 10.47% in the first half of 2021, respectively. ROA and ROE were 1.01% and 8.52% in the second quarter of 2020, compared to 1.05% and 8.53% in the first half of 2020.

•The tax-equivalent net interest margin was 3.37% and 3.53% in the second quarters of 2021 and 2020, respectively. The decrease from the same quarter a year ago was primarily attributed to the low interest rate environment. SBA PPP loans contributed 12 basis points to the second quarter's net interest margin due to PPP loans forgiven and paid off by the SBA. The tax-equivalent net interest margin was 3.28% in the first six months of 2021 compared to 3.70% in the first six months a year ago. The decrease from the same period a year ago was primarily attributed to the lower interest rate environment. SBA PPP loans added 5 basis points to the first six months' net interest margin as compared to a 2 basis points reduction to the same period a year ago. The early redemption of our last subordinated debenture reduced first quarter 2021 tax-equivalent net interest margin by approximately 18 basis points.

•The efficiency ratio was 58.58% for the three months ended June 30, 2021, up from 53.01% in the comparative period a year ago, mainly due to a $1.7 million increase in non-interest expense mostly attributable to fewer salary-related deferred SBA PPP loan origination costs and ARB acquisition-related expenses. The efficiency ratio for the first half of 2021 was 61.43%, compared to 54.74% the same period a year ago. The increase was primarily due to a $1.9 million decrease in net interest income and $1.1 million decrease in non-interest income. Additionally, non-interest expenses increased by $1.7 million.

•Total deposits increased $179.3 million to $2.684 billion at June 30, 2021 from $2.504 billion at December 31, 2020. The increase was primarily due to customers depositing PPP funds into their accounts and new account openings in the second quarter of 2021. Non-interest bearing deposits represented 54% of total deposits as of June 30, 2021 and December 31, 2020. The cost of average deposits was 0.07% in the second quarter and first half of 2021, a decrease of 2 basis points and 8 basis points from the equivalent periods a year ago.

•All capital ratios were above well capitalized regulatory requirements. The total risk-based capital ratio for Bancorp was 15.5% at June 30, 2021, compared to 16.0% at December 31, 2020. Tangible common equity to tangible assets was 10.4% at June 30, 2021, compared to 11.3% at December 31, 2020 (see Results of Operations for a definition of this non-GAAP financial measure). The total risk-based capital ratio for the Bank was 15.3% at June 30, 2021, compared to 15.8% at December 31, 2020.

•The Board of Directors declared a cash dividend of $0.24 per share on July 16, 2021, a $0.01 increase from the prior quarter. This represents the 65th consecutive quarterly dividend paid by Bank of Marin Bancorp. The dividend is payable on August 6, 2021, to shareholders of record at the close of business on July 30, 2021.

•Given our strong capital and liquidity, the Board of Directors approved a new share repurchase program on July 16, 2021 under which Bancorp may repurchase up to $25.0 million of its outstanding common stock through July 31, 2023. The share repurchase program became effective July 22, 2021.

•As announced in May 2021, Tim Myers, Chief Operating Officer, was promoted from Executive Vice President to President. Tim is now responsible for the management of Centralized Operations and Technology in addition to Commercial Banking, Retail Banking, Wealth Management & Trust, and Marketing.

Bank of Marin's strong balance sheet is built from our core values - relationship banking, disciplined fundamentals and commitment to the communities that we serve. We believe that our robust liquidity and capital positions, high credit quality loan portfolio, excellent credit metrics, and low-cost deposit base, as well as our acquisition of AMRB will reinforce the long-term success of the bank and position us well for the remainder of 2021.

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RESULTS OF OPERATIONS

Highlights of the financial results are presented in the following tables:

(dollars in thousands)	June 30, 2021			December 31, 2020
Selected financial condition data:
Total assets	$	3,073,818		$	2,911,926
Loans, net	1,983,667			2,065,682
Deposits	2,683,575			2,504,249
Borrowings and other obligations	438			58
Subordinated debenture	—			2,777
Stockholders' equity	348,649			358,253
Asset quality ratios:
Allowance for credit losses on loans to total loans	0.95		%	1.10		%
Allowance for credit losses on loans to total loans, excluding SBA PPP loans 1	1.09		%	1.27		%
Allowance for credit losses on loans to non-accrual loans	2.08x			2.48x
Non-accrual loans to total loans	0.46		%	0.44		%
Capital ratios:
Equity to total assets ratio	11.34		%	12.30		%
Tangible common equity to tangible assets 2	10.36		%	11.27		%
Total capital (to risk-weighted assets)	15.53		%	16.03		%
Tier 1 capital (to risk-weighted assets)	14.54		%	14.82		%
Tier 1 capital (to average assets)	10.04		%	10.80		%
Common equity Tier 1 capital (to risk weighted assets)	14.54		%	14.69		%

	Three months ended						Six months ended
(dollars in thousands, except per share data)	June 30, 2021			June 30, 2020			June 30, 2021			June 30, 2020
Selected operating data:
Net interest income	$	24,534		$	24,375		$	46,565		$	48,494
(Reversal of) provision for credit losses on loans	(920)			2,000			(3,849)			4,200
Non-interest income	2,022			1,813			3,848			4,933
Non-interest expense	15,556			13,881			30,968			29,248
Net income	9,285			7,406			18,232			14,634
Net income per common share:
Basic	$	0.71		$	0.55		$	1.38		$	1.08
Diluted	$	0.71		$	0.55		$	1.37		$	1.07
Performance and other financial ratios:
Return on average assets	1.20		%	1.01		%	1.21		%	1.05		%
Return on average equity	10.72		%	8.52		%	10.47		%	8.53		%
Tax-equivalent net interest margin 3	3.37		%	3.53		%	3.28		%	3.70		%
Cost of deposits	0.07		%	0.09		%	0.07		%	0.15		%
Efficiency ratio	58.58		%	53.01		%	61.43		%	54.74		%
Cash dividend payout ratio on common stock 4	32.39		%	41.82		%	33.33		%	42.59		%

1 The allowance for credit losses on loans to total loans, excluding SBA-guaranteed PPP loans, is considered a meaningful non-GAAP financial measure, as it represents only those loans that were considered in the calculation of the allowance for credit losses on loans. SBA PPP loans at June 30, 2021 and December 31, 2020 totaled $248.3 million and $291.6 million, respectively.

2 Tangible common equity to tangible assets is considered to be a meaningful non-GAAP financial measure of capital adequacy and is useful for investors to assess Bancorp's ability to absorb potential losses. Tangible common equity of $315 million and $324 million at June 30, 2021 and December 31, 2020, respectively, includes common stock, retained earnings and unrealized gains (losses) on available-for sale securities, net of tax, less goodwill and intangible assets. Tangible assets exclude goodwill and intangible assets of $33.6 million and $34.0 million at June 30, 2021 and December 31, 2020, respectively.

3 Tax-equivalent net interest margin is computed by dividing taxable equivalent net interest income, which is adjusted for taxable equivalent income on tax-exempt loans and securities based on Federal statutory rate of 21 percent, by total average interest-earning assets.

4 Calculated as dividends on common shares divided by basic net income per common share.

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Net Interest Income

Net interest income is the interest earned on loans, investment and other interest-earning assets minus the interest expense incurred on deposits and other interest-bearing liabilities. Net interest income is impacted by changes in general market interest rates and by changes in the composition of interest-earning assets and interest-bearing liabilities. Interest rate changes can create fluctuations in the net interest income and/or margin due to an imbalance in the timing of repricing and maturity of assets and liabilities. We manage interest rate risk exposure with the goal of minimizing the impact of interest rate volatility on net interest income. For more information, refer to Item 3. Quantitative and Qualitative Disclosure about Market Risk in this Form 10-Q.

Net interest margin is expressed as net interest income divided by average interest-earning assets. Net interest rate spread is the difference between the average rate earned on total interest-earning assets and the average rate incurred on total interest-bearing liabilities. Both of these measures are reported on a taxable-equivalent basis. Net interest margin is the higher of the two because it reflects interest income earned on assets funded with non-interest-bearing sources of funds, which include demand deposits and stockholders’ equity.

Average Statements of Condition and Analysis of Net Interest Income

The following table compares interest income, average interest-earning assets, interest expense, and average interest-bearing liabilities for the periods presented. The table also presents net interest income, net interest margin and net interest rate spread for each period reported.

		Three months ended						Three months ended
		June 30, 2021						June 30, 2020
				Interest						Interest
		Average		Income/		Yield/		Average		Income/		Yield/
(dollars in thousands)		Balance		Expense		Rate		Balance		Expense		Rate
Assets
	Interest-earning deposits with banks 1	$	193,749	$	54	0.11	%	$	173,161	$	39	0.09	%
	Investment securities 2, 3	661,361		3,666		2.22	%	550,483		3,886		2.82	%
	Loans 1, 3, 4	2,062,497		21,601		4.14	%	2,043,197		21,399		4.14	%
	Total interest-earning assets 1	2,917,607		25,321		3.43	%	2,766,841		25,324		3.62	%
	Cash and non-interest-bearing due from banks	39,252						37,680
	Bank premises and equipment, net	4,795						5,543
	Interest receivable and other assets, net	131,667						133,639
Total assets		$	3,093,321					$	2,943,703
Liabilities and Stockholders' Equity
	Interest-bearing transaction accounts	$	167,787	$	39	0.09	%	$	142,778	$	39	0.11	%
	Savings accounts	227,767		21		0.04	%	182,371		17		0.04	%
	Money market accounts	735,784		312		0.17	%	794,654		383		0.19	%
	Time accounts including CDARS	95,354		81		0.34	%	95,076		142		0.60	%
	Borrowings and other obligations 1	61		—		1.15	%	156		1		2.62	%
	Subordinated debenture 1, 5	—		—		—	%	2,733		40		5.73	%
	Total interest-bearing liabilities	1,226,753		453		0.15	%	1,217,768		622		0.21	%
	Demand accounts	1,478,119						1,332,986
	Interest payable and other liabilities	40,976						43,255
	Stockholders' equity	347,473						349,694
Total liabilities & stockholders' equity		$	3,093,321					$	2,943,703
Tax-equivalent net interest income/margin 1				$	24,868	3.37	%			$	24,702	3.53	%
Reported net interest income/margin 1				$	24,534	3.33	%			$	24,375	3.49	%
Tax-equivalent net interest rate spread						3.28	%					3.41	%

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		Six months ended						Six months ended
		June 30, 2021						June 30, 2020
				Interest						Interest
		Average		Income/		Yield/		Average		Income/		Yield/
(in thousands)		Balance		Expense		Rate		Balance		Expense		Rate
Assets
	Interest-earning deposits with banks 1	$	179,846	$	96	0.11	%	$	136,261	$	371	0.54	%
	Investment securities 2, 3	601,498		6,948		2.31	%	553,690		8,151		2.94	%
	Loans 1, 3, 4	2,081,069		42,437		4.06	%	1,938,189		42,465		4.33	%
	Total interest-earning assets 1	2,862,413		49,481		3.44	%	2,628,140		50,987		3.84	%
	Cash and non-interest-bearing due from banks	45,059						39,262
	Bank premises and equipment, net	4,786						5,741
	Interest receivable and other assets, net	132,675						126,274
Total assets		$	3,044,933					$	2,799,417
Liabilities and Stockholders' Equity
	Interest-bearing transaction accounts	$	170,943	$	78	0.09	%	$	140,587	$	105	0.15	%
	Savings accounts	220,946		40		0.04	%	172,905		33		0.04	%
	Money market accounts	719,769		598		0.17	%	777,635		1,354		0.35	%
	Time accounts including CDARS	95,849		177		0.37	%	95,616		303		0.64	%
	Borrowings and other obligations 1	50		—		1.46	%	257		3		2.06	%
	Subordinated debenture 1, 5	1,076		1,361		251.54	%	2,724		89		6.46	%
	Total interest-bearing liabilities	1,208,633		2,254		0.38	%	1,189,724		1,887		0.32	%
	Demand accounts	1,442,320						1,226,481
	Interest payable and other liabilities	42,753						38,150
	Stockholders' equity	351,227						345,062
Total liabilities & stockholders' equity		$	3,044,933					$	2,799,417
Tax-equivalent net interest income/margin 1				$	47,227	3.28	%			$	49,100	3.70	%
Reported net interest income/margin 1				$	46,565	3.24	%			$	48,494	3.65	%
Tax-equivalent net interest rate spread						3.06	%					3.52	%
1 Interest income/expense is divided by actual number of days in the period times 360 days to correspond to stated interest rate terms, where applicable.
2 Yields on available-for-sale securities are calculated based on amortized cost balances rather than fair value, as changes in fair value are reflected as a component of stockholders' equity. Investment security interest is earned on 30/360 day basis monthly.
3 Yields and interest income on tax-exempt securities and loans are presented on a taxable-equivalent basis using the Federal statutory rate of 21%.
4 Average balances on loans outstanding include non-performing loans. The amortized portion of net loan origination fees is included in interest income on loans, representing an adjustment to the yield.
5 2021 interest on subordinated debenture included $1.3 million in accelerated discount accretion from the early redemption of our last subordinated debenture on March 15, 2021.

Analysis of Changes in Net Interest Income

The following table presents the effects of changes in average balances (volume) or changes in average rates on tax-equivalent net interest income for the periods indicated. Volume variances are equal to the increase or decrease in average balances multiplied by prior period rates. Rate variances are equal to the increase or decrease in rates multiplied by prior period average balances. Mix variances are attributable to the change in yields or rates multiplied by the change in average balances, including one more day in the six months ended June 30, 2020.

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	Three Months Ended June 30, 2021 Compared to Three Months Ended June 30, 2020								Six Months Ended June 30, 2021 Compared to Six Months Ended June 30, 2020
(in thousands)	Volume		Yield/Rate		Mix		Total		Volume		Yield/Rate		Mix		Total
Interest-earning deposits with banks	$	5	$	9	$	1	$	15	$	119	$	(298)	$	(96)	$	(275)
Investment securities 1	783		(835)		(168)		(220)		704		(1,755)		(152)		(1,203)
Loans 1	202		—		—		202		3,130		(2,723)		(435)		(28)
Total interest-earning assets	990		(826)		(167)		(3)		3,953		(4,776)		(683)		(1,506)
Interest-bearing transaction accounts	7		(6)		(1)		—		23		(40)		(10)		(27)
Savings accounts	4		—		—		4		9		—		(2)		7
Money market accounts	(28)		(46)		3		(71)		(101)		(704)		49		(756)
Time accounts, including CDARS	—		(61)		—		(61)		1		(125)		(2)		(126)
Borrowings and other obligations	(1)		—		—		(1)		(2)		(1)		—		(3)
Subordinated debenture 2	(40)		—		—		(40)		(54)		1,326		—		1,272
Total interest-bearing liabilities	(58)		(113)		2		(169)		(124)		456		35		367
Changes in tax-equivalent net interest income	$	1,048	$	(713)	$	(169)	$	166	$	4,077	$	(5,232)	$	(718)	$	(1,873)
1 Yields and interest income on tax-exempt securities and loans are presented on a taxable-equivalent basis using the federal statutory rate of 21%.
2 Six months ended June 30, 2021 includes $1.3 million in accelerated discount accretion from the early redemption of our last subordinated debenture on March 15, 2021.

Second Quarter of 2021 Compared to Second Quarter of 2020

Net interest income totaled $24.5 million in the second quarter of 2021, compared to $24.4 million in the same quarter a year ago. The $159 thousand increase was primarily due to higher income from SBA PPP loans, higher average investment securities and commercial real estate loan balances, and lower rates on interest-bearing liabilities. Increases were mostly offset by lower yields on investment securities, and lower average commercial, home equity, and other residential loan balances.

The tax-equivalent net interest margin was 3.37% in the second quarter of 2021 compared to 3.53% in the same quarter of the previous year.  The decrease in tax-equivalent net interest margin was primarily attributed to the lower interest rate environment. SBA PPP loans added 12 basis points to the second quarter 2021's net interest margin as compared to 3 basis points reduction for the same quarter a year ago due to higher fee income accretion in the second quarter of 2021 as more PPP loans were forgiven and paid off by the SBA.

First Six Months of 2021 Compared to First Six Months of 2020

Net interest income totaled $46.6 million in the six months ended June 30, 2021, compared to $48.5 million in the same period a year ago. The decrease was primarily attributed to $1.3 million in accelerated discount accretion from the early redemption of a subordinated debenture in the first quarter of 2021, lower yielding interest-earning assets, lower average balances of commercial and consumer loans, and one less day in the period. Decreases were partially offset by higher income from SBA PPP loans and higher investment securities, commercial real estate, and construction loan balances, and lower rates on interest-bearing liabilities. We recognized $4.3 million in SBA PPP fees, net of cost in the first six months of 2021, compared to $1.2 million in the first six months a year ago. As of June 30, 2021 $6.5 million PPP fees, net of deferred costs remain outstanding and will be recognized into income in future periods.

The tax-equivalent net interest margin was 3.28% in the six months ended June 30, 2021, compared to 3.70% in the same period a year ago.  The decrease from the first six months of 2020 was primarily attributed to the lower interest rate environment. SBA PPP loans added 5 basis points to the first six months' net interest margin as compared to a 2 basis points reduction to the same period a year ago.

Market Interest Rates

Market interest rates are, in part, based on the target federal funds interest rate (the interest rate banks charge each

other for short-term borrowings) implemented by the Federal Reserve Open Market Committee ("FOMC").

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In response to the evolving risks to economic activity posed by the COVID-19 pandemic, the FOMC made two emergency cuts totaling 150 basis points to the federal funds rate in March 2020. The federal funds target rate range has resided between 0.0% and 0.25% since March 15, 2020, putting downward pressure on our asset yields and net interest margin. A low interest rate environment will continue to put downward pressure on our asset yields and net interest margin. See ITEM 3. Quantitative and Qualitative Disclosure about Market Risk for further information.

Provision for Credit Losses on Loans

Management assesses the adequacy of the allowance for credit losses on loans quarterly based on several factors including growth of the loan portfolio, past events, current conditions, and reasonable and supportable forecasts to estimate expected losses over the contractual terms of our loans. The allowance for credit losses on loans is increased by provisions charged to expense and loss recoveries and decreased by loans charged off.

The following table shows the provision for credit losses activity for the periods presented.

	Three months ended				Six months ended
(dollars in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
(Reversal of) provision for credit losses on loans	$	(920)	$	2,000	$	(3,849)	$	4,200

The provision reversals in 2021 were primarily due to continued improvements in the forecasted California unemployment rates over the next four quarters and a $42.5 million year-to-date decrease in non-PPP loan balances. Our allowance model is particularly sensitive to current and forecasted California unemployment rates, which decreased to 8.0% at June 30, 2021 from 9.1% at December 31, 2020. The provision for credit losses in 2020 calculated under the incurred loss method (prior to the adoption of the excepted credit loss method on December 31, 2020) was largely due to the uncertainty about the impact of the COVID-19 pandemic on the local and regional economies and our customers at that time.

Loans designated special mention, which are not considered adversely classified, decreased by $37.9 million to $49.0 million at June 30, 2021 from $86.9 million at December 31, 2020. The decrease was largely due to the upgrading of several borrowing relationships totaling approximately $25.5 million because of their improved financial condition, loan reductions and payoffs totaling approximately $16.4 million, and the downgrade from special mention to substandard of one well-secured commercial real estate loan totaling $4.6 million. These decreases were partially offset by two well-secured commercial real estate loans totaling $8.8 million that were downgraded from pass to special mention risk rating. Classified assets (loans with risk ratings of substandard or doubtful) totaled $30.8 million at June 30, 2021, compared to $25.8 million at December 31, 2020. The $5.0 million increase was primarily due to the downgrade of a $4.6 million commercial real estate loan mentioned above. There were no loans considered doubtful at June 30, 2021 or December 31, 2020.

The ratio of allowance for credit losses on loans to total loans was 0.95% at June 30, 2021, compared to 1.10% at December 31, 2020. Excluding SBA-guaranteed PPP loans, the ratio of the allowance for credit losses on loans to total loans was 1.09% and 1.27% at June 30, 2021 and December 31, 2020, respectively (Refer to footnote 1 on page 31 for a definition and reconciliation of this non-GAAP financial measure). Non-accrual loans totaled $9.2 million, or 0.46% of total loans at June 30, 2021, and remained largely unchanged from $9.2 million, or 0.44% of total loans at December 31, 2020.

For more information, refer to Note 5 to the consolidated financial statements in this Form 10-Q.

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Non-interest Income

The following table details the components of non-interest income.

	Three months ended				Amount		Percent
(dollars in thousands)	June 30, 2021		June 30, 2020		Increase (Decrease)		Increase (Decrease)
Wealth Management and Trust Services	$	530	$	421	$	109	25.9	%
Debit card interchange fees	419		308		111		36.0	%
Service charges on deposit accounts	317		293		24		8.2	%
Earnings on bank-owned life insurance, net	233		234		(1)		(0.4)	%
Dividends on FHLB stock	177		146		31		21.2	%
Merchant interchange fees	61		47		14		29.8	%
Gains on sale of investment securities, net	—		115		(115)		(100.0)	%
Other income	285		249		36		14.5	%
Total non-interest income	$	2,022	$	1,813	$	209	11.5	%
	Six months ended				Amount		Percent
(dollars in thousands)	June 30, 2021		June 30, 2020		Increase (Decrease)		Increase (Decrease)
Wealth Management and Trust Services	$	1,018	$	925	$	93	10.1	%
Debit card interchange fees	785		668		117		17.5	%
Service charges on deposit accounts	598		744		(146)		(19.6)	%
Earnings on bank-owned life insurance, net	490		509		(19)		(3.7)	%
Dividends on FHLB stock	326		354		(28)		(7.9)	%
Merchant interchange fees	118		120		(2)		(1.7)	%
Gains on sale of investment securities, net	—		915		(915)		(100.0)	%
Other income	513		698		(185)		(26.5)	%
Total non-interest income	$	3,848	$	4,933	$	(1,085)	(22.0)	%

Second Quarter of 2021 Compared to Second Quarter of 2020

Non-interest income increased by $209 thousand in the second quarter of 2021 to $2.0 million, compared to $1.8 million in the same quarter a year ago. The increase was mostly attributed to debit card interchange fees from increased levels of activity and volume, and higher wealth management and trust services income generated from new accounts and favorable market performance. Increases relative to the prior year quarter were partially offset by the absence of gains on investment security sales in the second quarter of 2021.

First Six Months of 2021 Compared to First Six Months of 2020

Non-interest income decreased by $1.1 million in the first six months of 2021 to $3.8 million, from $4.9 million in the first half of 2020. The decrease was primarily attributed to the absence of gains on investment security sales in the first six months of 2021, versus $915 thousand realized in the same period a year ago, lower service charges on deposit accounts, and lower fee income from one-way deposit sales to third-party deposit networks in the first quarter of 2021. On March 30, 2020, we implemented temporary waivers for all ATM fees, overdraft fees and early withdrawal penalties for time deposits to help ease the financial burden customers began experiencing due to the pandemic. After honoring the fee waivers for one year, we provided our customers a 30-day notice and reinstituted the fees as of May 3, 2021.

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Non-interest Expense

The following table details the components of non-interest expense.

	Three months ended				Amount		Percent
(dollars in thousands)	June 30, 2021		June 30, 2020		Increase (Decrease)		Increase (Decrease)
Salaries and related benefits	$	8,888	$	7,864	$	1,024	13.0	%
Occupancy and equipment	1,751		1,661		90		5.4	%
Professional services	986		550		436		79.3	%
Data processing	820		829		(9)		(1.1)	%
Charitable contributions	462		273		189		69.2	%
Depreciation and amortization	389		526		(137)		(26.0)	%
Information technology	296		252		44		17.5	%
Directors' expense	230		175		55		31.4	%
Amortization of core deposit intangible	204		213		(9)		(4.2)	%
Federal Deposit Insurance Corporation insurance	182		116		66		56.9	%
Other non-interest expense
Advertising	175		158		17		10.8	%
Other expense	1,173		1,264		(91)		(7.2)	%
Total other non-interest expense	1,348		1,422		(74)		(5.2)	%
Total non-interest expense	$	15,556	$	13,881	$	1,675	12.1	%
	Six months ended				Amount		Percent
(dollars in thousands)	June 30, 2021		June 30, 2020		Increase (Decrease)		Increase (Decrease)
Salaries and related benefits	$	18,096	$	17,341	$	755	4.4	%
Occupancy and equipment	3,502		3,324		178		5.4	%
Professional services	1,849		1,094		755		69.0	%
Data processing	1,639		1,615		24		1.5	%
Depreciation and amortization	848		1,052		(204)		(19.4)	%
Information technology	609		502		107		21.3	%
Charitable contributions	493		440		53		12.0	%
Amortization of core deposit intangible	408		426		(18)		(4.2)	%
Directors' expense	405		349		56		16.0	%
Federal Deposit Insurance Corporation insurance	361		118		243		205.9	%
Other non-interest expense
Advertising	414		409		5		1.2	%
Other expense	2,343		2,578		(235)		(9.1)	%
Total other non-interest expense	2,758		2,987		(229)		(7.7)	%
Total non-interest expense	$	30,968	$	29,248	$	1,720	5.9	%

Second Quarter of 2021 Compared to Second Quarter of 2020

Non-interest expense increased by $1.7 million to $15.6 million in the second quarter of 2021, compared to $13.9 million in the same period a year ago. The increase was primarily attributed to $1.0 million in higher salaries and related benefits (mostly attributable to fewer deferred SBA PPP loan origination costs), $351 thousand increase in ARB acquisition-related expenses (mostly related to professional services), and $189 thousand increase in charitable contributions. We expect higher ARB acquisition related expenses in the next two quarters. The majority of our expected 2021 charitable contributions were disbursed in the second quarter.

First Six Months of 2021 Compared to First Six Months of 2020

Non-interest expense increased by $1.7 million to $31.0 million in the first half of 2021, compared to $29.2 million in the first half of 2020. The increase was driven by higher salaries and related benefits of $755 thousand, most of which was attributed to fewer deferred SBA PPP loan origination costs. Professional services increased by $755 thousand due to some pandemic-related delays in 2020 activities and ARB acquisition-related activities. In addition,

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FDIC deposit insurance expenses increased by $243 thousand relative to the first six months of 2020 due to the absence of assessment credits, which were fully utilized as of June 30, 2020.

The (reversal of) or provision for credit losses on unfunded commitments was reclassified out of non-interest expense and included as a separate line item under net interest income in the consolidated statements of comprehensive income for all periods presented. Efficiency ratios for all periods reported have been updated to reflect the reclassification. Reclassification conforms to Call Report instructions.

Provision for Income Taxes

Income tax provisions reflect accruals for taxes at the applicable rates for federal income tax and California franchise tax based upon reported pre-tax income. Provisions also reflect permanent differences between income for tax and financial reporting purposes (such as earnings on tax exempt loans and municipal securities, BOLI, low-income housing tax credits, and stock-based compensation from the exercise of stock options, disqualifying dispositions of incentive stock options and vesting of restricted stock awards).

The provision for income taxes for the second quarter of 2021 totaled $3.2 million at an effective tax rate of 25.9%, compared to $2.6 million at an effective tax rate of 26.3% in the same quarter last year. The provision for income taxes for the first half of 2021 totaled $6.3 million at an effective tax rate of 25.6%, compared to $5.0 million at an effective tax rate of 25.4% for the first half of 2020. The increase in the provision reflected higher pre-tax income for both the second quarter and first half of 2021 compared to the same periods a year ago. The 40 basis point decrease in the effective tax rate in the second quarter of 2021 as compared to the same quarter a year ago was primarily due to the true-up of low-income tax credits.

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 issuance of this report. At June 30, 2021, neither the Bank nor Bancorp had accruals for interest nor penalties related to unrecognized tax benefits.

FINANCIAL CONDITION SUMMARY

At June 30, 2021, assets totaled $3.074 billion, an increase of $161.9 million, from $2.912 billion at December 31, 2020, mainly due to increases in investment securities as we redeploy our excess liquidity from deposit inflows as discussed below.

Cash, Cash Equivalents and Restricted Cash

Total cash, cash equivalents and restricted cash were $257.5 million at June 30, 2021, compared to $200.3 million at December 31, 2020. The increase was mainly due to SBA PPP loan forgiveness and an increase in deposits. Cash and cash equivalents do not include $174.0 million and $173.4 million in temporary one-way sale transfers of deposits to third-party deposit networks as part of our liquidity management at June 30, 2021 and December 31, 2020, respectively.

Investment Securities

The investment securities portfolio totaled $687.0 million at June 30, 2021, an increase of $185.6 million from December 31, 2020. The increase was primarily due to purchases of $244.7 million to deploy excess cash into interest earning assets in a more favorable interest rate environment in 2021, partially offset by paydowns, calls and maturities of $51.3 million. Additionally, the fair value of available-for-sale securities decreased $6.3 million as a result of the higher interest rate environment in the first six months of 2021. There were no security sales in the first six months of 2021. See Note 4, Investment Securities, for additional information.

The following table summarizes our investment in obligations of state and political subdivisions at June 30, 2021 and December 31, 2020.

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		June 30, 2021						December 31, 2020
(dollars in thousands)		Amortized Cost		Fair Value		% of Total State and Political Subdivisions		Amortized Cost		Fair Value		% of Total State and Political Subdivisions
Within California:
	General obligation bonds	$	3,315	$	3,532	2.8	%	$	3,327	$	3,565	3.1	%
	Revenue bonds	2,044		2,113		1.7		2,352		2,448		2.2
	Tax allocation bonds	1,746		1,767		1.5		2,832		2,876		2.7
Total within California		7,105		7,412		6.0		8,511		8,889		8.0
Outside California:
	General obligation bonds	91,366		95,434		77.3		78,299		82,100		73.5
	Revenue bonds	19,704		20,966		16.7		19,744		21,351		18.5
Total outside California		111,070		116,400		94.0		98,043		103,451		92.0
Total obligations of state and political subdivisions		$	118,175	$	123,812	100.0	%	$	106,554	$	112,340	100.0	%

The portion of the portfolio outside the state of California is distributed among eleven states. Of the total investment in obligations of state and political subdivisions, the largest concentrations outside of California are in Texas (51.0%), Washington (16.0%) and Maryland (5.7%). Our investment in obligations issued by municipal issuers in Texas are either guaranteed by the AAA-rated Texas Permanent School Fund ("PSF") or backed by revenue sources from essential services (such as utilities and transportation). We have $6.0 million in obligations of Texas school district issuers having high concentrations in oil and gas industry taxpayers and all of them have credit guarantees from PSF. We have little or no exposure to municipal sectors such as higher education or health care that are most vulnerable to credit risks posed by the COVID-19 pandemic.

Investments in states, municipalities and political subdivisions are subject to an initial pre-purchase credit assessment and ongoing monitoring. Key considerations include:

•The soundness of a municipality’s budgetary position and stability of its tax revenues

•Debt profile and level of unfunded liabilities, diversity of revenue sources, taxing authority of the issuer

•Local demographics/economics including unemployment data, largest taxpayers and local employers, income indices and home values

•For revenue bonds, the source and strength of revenue for municipal authorities including the obligor’s financial condition and reserve levels, annual debt service and debt coverage ratio, and credit enhancement (such as insurer’s strength and collateral in escrow accounts)

•Credit ratings by major credit rating agencies

Loans

During the first six months of 2021, loans decreased by $85.8 million and totaled $2.003 billion at June 30, 2021, primarily due to SBA PPP loans which totaled $248.3 million at June 30 2021, compared to $291.6 million at December 31, 2020. New non-PPP related loan originations totaled $69.1 million in the first six months of 2021. Payoffs totaled $95.4 million and credit line utilization decreased $34.8 million during the first six months of 2021. Loan payoffs in the first half of 2021 consisted largely of loans on which underlying assets were sold or paid off with cash (including completed construction projects). Residential real estate and consumer loan payoffs as well as loans refinanced with other banks contributed to the decline.

As of June 30, 2021, there were 1,532 PPP loans outstanding totaling $248.3 million (net of $6.5 million in unrecognized fees and costs). Of the total 2,876 PPP loans granted amounting to $444.1 million, we funded 1,813 loans totaling $307.9 million in the first round and 1,063 loans totaling $136.2 million in the second round. As of June 30, 2021, PPP loans forgiven and paid off were 1,344 totaling $189.3 million. Forgiveness of PPP loans continues with an additional 126 loans totaling $24.1 million approved between June 30, 2021 and July 31, 2021. Of the number of PPP loans remaining as of July 31, 2021, 71% (1,002 loans) totaling $43.0 million were less than or equal to $150 thousand and had access to streamlined forgiveness processing.

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As of July 31, 2021, 6 borrowing relationships with 9 loans totaling $43.4 million were benefiting from payment relief. We monitor the financial situation of these clients closely and expect the majority to resume payments as the economy continues to reopen.

Liabilities

During the first six months of 2021, total liabilities increased by $171.5 million to $2.725 billion. Deposits increased $179.3 million in the first six months of 2021, primarily driven by a combination of PPP loan proceeds and normal fluctuations in some of our larger commercial accounts. Non-interest bearing deposits increased $105.4 million in the first six months of 2021 to $1.460 billion, and represented 54.4% of total deposits at June 30, 2021, compared to 54.1% at December 31, 2020. The cost of average deposits was 0.07% in the second quarter and first half of 2021, a decrease of 2 basis points and 8 basis points from the equivalent periods a year ago.

Capital Adequacy

We are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements as set forth in the following tables can initiate 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 to ensure that capital exceeds the prescribed regulatory minimums and is adequate to meet our anticipated future needs.  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 June 30, 2021. 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.

In August 2018, the Board of Governors of the Federal Reserve System changed the definition of a "Small Bank Holding Company" by increasing the asset threshold from $1.0 billion to $3.0 billion. As a result, Bancorp was not subject to separate minimum capital requirements as of December 31, 2020. However, we disclosed comparative capital ratios for Bancorp, which would have exceeded well-capitalized levels had Bancorp been subject to the same minimum capital requirements in 2020.

The Bancorp’s and Bank’s capital adequacy ratios as of June 30, 2021 and December 31, 2020 are presented in the following tables. As of December 31, 2020, Bancorp's Tier 1 capital included a subordinated debenture, which was not included at the Bank level. On March 15, 2021, Bancorp redeemed in full our last subordinated debenture due to NorCal Community Bancorp Trust II. The redemption reduced Bancorp's total risk-based capital ratio by approximately 18 basis points.

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Capital Ratios for Bancorp (dollars in thousands)	Actual Ratio				Adequately Capitalized Threshold				Ratio to be a Well Capitalized Bank Holding Company
June 30, 2021	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total Capital (to risk-weighted assets)	$	326,698	15.53	%	≥ $	220,955	≥ 10.50	%	≥ $	210,433	≥ 10.00	%
Tier 1 Capital (to risk-weighted assets)	$	306,021	14.54	%	≥ $	178,868	≥   8.50	%	≥ $	168,346	≥   8.00	%
Tier 1 Capital (to average assets)	$	306,021	10.04	%	≥ $	121,892	≥   4.00	%	≥ $	152,365	≥   5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	306,021	14.54	%	≥ $	147,303	≥   7.00	%	≥ $	136,781	≥   6.50	%
December 31, 2020
Total Capital (to risk-weighted assets)	$	339,544	16.03	%	≥ $	222,393	≥ 10.50	%	≥ $	211,802	≥ 10.00	%
Tier 1 Capital (to risk-weighted assets)	$	313,891	14.82	%	≥ $	180,032	≥   8.50	%	≥ $	169,442	≥   8.00	%
Tier 1 Capital (to average assets)	$	313,891	10.80	%	≥ $	116,224	≥   4.00	%	≥ $	145,280	≥   5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	311,114	14.69	%	≥ $	148,262	≥   7.00	%	≥ $	137,672	≥   6.50	%

Capital Ratios for the Bank (dollars in thousands)	Actual Ratio				Adequately Capitalized Threshold				Ratio to be Well Capitalized under Prompt Corrective Action Provisions
June 30, 2021	Amount		Ratio		Amount		Ratio		Amount		Ratio
Total Capital (to risk-weighted assets)	$	321,837	15.30	%	≥ $	220,905	≥ 10.50	%	≥ $	210,386	≥ 10.00	%
Tier 1 Capital (to risk-weighted assets)	$	301,160	14.31	%	≥ $	178,828	≥   8.50	%	≥ $	168,309	≥   8.00	%
Tier 1 Capital (to average assets)	$	301,160	9.88	%	≥ $	121,877	≥   4.00	%	≥ $	152,346	≥   5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	301,160	14.31	%	≥ $	147,270	≥   7.00	%	≥ $	136,751	≥   6.50	%
December 31, 2020
Total Capital (to risk-weighted assets)	$	334,686	15.80	%	≥ $	222,391	≥ 10.50	%	≥ $	211,801	≥ 10.00	%
Tier 1 Capital (to risk-weighted assets)	$	309,033	14.59	%	≥ $	180,031	≥   8.50	%	≥ $	169,441	≥   8.00	%
Tier 1 Capital (to average assets)	$	309,033	10.64	%	≥ $	116,224	≥   4.00	%	≥ $	145,280	≥   5.00	%
Common Equity Tier 1 (to risk-weighted assets)	$	309,033	14.59	%	≥ $	148,261	≥   7.00	%	≥ $	137,671	≥   6.50	%

Liquidity

The goal of liquidity management is to provide adequate funds to meet loan demand and to fund operating activities and deposit withdrawals. We accomplish this goal by maintaining an appropriate level of liquid assets and formal lines of credit with the FHLB, FRBSF and correspondent banks that enable us to borrow funds as discussed in Note 6 to the Consolidated Financial Statements in ITEM 1 of this report. Our Asset Liability Management Committee ("ALCO"), which is comprised of independent Bank directors and the Bank's Chief Executive Officer, is responsible for approving and monitoring our liquidity targets and strategies. ALCO has adopted a contingency funding plan that provides early detection of potential liquidity issues in the market or the Bank and institutes prompt responses that may prevent or alleviate a potential liquidity crisis. Management monitors liquidity daily and regularly adjusts our position based on current and future liquidity needs. We also have relationships with third-party deposit networks and can adjust the placement of our deposits via reciprocal or one-way sales as part of our cash management strategy.

We obtain funds from the repayment and maturity of loans, deposit inflows, investment security maturities and paydowns, federal funds purchases, FHLB advances, other borrowings, and cash flow from operations.  Our primary uses of funds are the origination of loans, the purchase of investment securities, withdrawals of deposits, maturity of certificates of deposit, repayment of borrowings, and dividends to common stockholders.

The most significant component of our daily liquidity position is customer deposits. The attraction and retention of new deposits depends upon the variety and effectiveness of our customer account products, service and convenience, rates paid to customers, and our financial strength. The cash cycles and unique business activities of some of our large commercial depositors may cause short-term fluctuations in their deposit balances held with us. Since 2020, the banking industry experienced abundant liquidity driven by pandemic-related government programs such as PPP and stimulus checks as well as an elevated savings rate system-wide.

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The most significant source of liquidity during 2021 was an increase in deposits of $179.3 million. The increase was primarily due to increases in PPP borrower-related accounts and normal fluctuations in some of our large business accounts. Proceeds from loans collected net of loan origination was $84.3 million. Proceeds from principal paydowns and maturities of securities totaled $51.3 million, and $19.8 million in net cash was provided by operating activities.

Significant uses of liquidity during 2021 were $244.7 million in investment securities purchased, $19.7 million in common stock repurchases, $6.1 million in cash dividends paid on common stock to our shareholders, and $4.1 million in repayment of a subordinated debenture. Refer to the Consolidated Statement of Cash Flows in this Form 10-Q for additional information on our sources and uses of liquidity. Management anticipates that our current strong liquidity position and core deposit base are adequate to fund our operations.

Undrawn credit commitments, as discussed in Note 8 to the Consolidated Financial Statements in this Form 10-Q, totaled $571.7 million at June 30, 2021. We expect to fund these commitments to the extent utilized primarily through the repayment of existing loans, deposit growth and liquid assets. Over the next twelve months, $69.0 million of time deposits will mature. We expect to replace these funds with new deposits. Our emphasis on local deposits, combined with our liquid investment portfolio, provides a very stable funding base.

Since Bancorp is a holding company and does not conduct regular banking operations, its primary sources of liquidity are dividends from the Bank. Under the California Financial Code, payment of a dividend from the Bank to Bancorp without advance regulatory approval is restricted to the lesser of the Bank’s retained earnings or the amount of the Bank’s net profits from the previous three fiscal years less the amount of dividends paid during that period. The primary uses of funds for Bancorp are shareholder dividends and ordinary operating expenses.  Bancorp held $4.6 million of cash at June 30, 2021. Combined with $34.0 million of dividend from the Bank to the Bancorp in July 2021, there is sufficient cash to cover Bancorp's operational needs, share repurchases, and cash dividends to shareholders through 2022. Management anticipates that there will be sufficient earnings at the Bank to provide dividends to Bancorp to meet its funding requirements for the foreseeable future.

ITEM 3.     Quantitative and Qualitative Disclosure about Market Risk

Market risk is defined as the risk of loss arising from an adverse change in the market value (or prices) of financial instruments. A significant form of market risk is interest rate risk, which is inherent in our lending, investment, borrowing and deposit gathering activities. The Bank manages interest rate sensitivity to minimize the exposure of our net interest margin, earnings, and capital to changes in interest rates. Interest rate changes can create fluctuations in the net interest margin due to an imbalance in the timing of repricing or maturity of assets or liabilities.

To mitigate interest rate risk, the structure of our assets and liabilities is managed with the objective of correlating the effects of interest rate changes on loans and investments with those of deposits and borrowings. The asset liability management policy sets limits on the acceptable amount of change to net interest income and economic value of equity in different interest rate environments.

From time to time, we enter into interest rate swap contracts to mitigate the changes in the fair value of specified long-term fixed-rate loans and firm commitments to enter into long-term fixed-rate loans caused by changes in interest rates. See Note 9 to the Consolidated Financial Statements in this Form 10-Q.

ALCO and the Board of Directors review our exposure to interest rate risk at least quarterly. We use simulation models to measure interest rate risk and to evaluate strategies to improve profitability. A simplified static statement of condition is prepared on a quarterly basis as a starting point, using instrument level data of our actual loans, investments, borrowings and deposits as inputs. If potential changes to net equity value and net interest income resulting from hypothetical interest rate changes are not within the limits established by the Board of Directors, management may adjust the asset and liability mix to bring the risk position within approved limits or take other actions. At June 30, 2021, interest rate risk was within policy guidelines established by ALCO and the Board. One set of interest rates modeled and evaluated against flat interest rates is a series of immediate parallel shifts in the yield curve. These are provided in the following table as an example rather than an expectation of likely interest rate movements.

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Immediate Changes in Interest Rates (in basis points)	Estimated Change in Net Interest Income in Year 1, as percent of Net Interest Income		Estimated Change in Net Interest Income in Year 2, as percent of Net Interest Income
up 400	9.1	%	25.2	%
up 300	6.9	%	19.2	%
up 200	4.6	%	12.8	%
up 100	2.2	%	6.1	%
down 100	(1.9)	%	(3.6)	%

Interest rate sensitivity is a function of the repricing characteristics of our assets and liabilities. The Bank runs a combination of scenarios and sensitivities in its attempt to capture the range of interest rate risk including the simulations mentioned above. As with any simulation model or other method of measuring interest rate risk, limitations are inherent in the process and dependent on assumptions. For example, if we choose to pay interest on certain business deposits that are currently non-interest bearing, causing those deposits to become rate sensitive in the future, we would become less asset sensitive than the model currently indicates. Assets and liabilities may react differently to changes in market interest rates in terms of both timing and responsiveness to market rate movements. Important deposit modeling assumptions are the speed of deposit run-off and the amount by which interest-bearing deposit rates increase or decrease when market interest rates change. Further, the actual rates and timing of prepayments on loans and investment securities could vary significantly from the assumptions applied in the various scenarios. Lastly, changes in U.S. Treasury rates accompanied by a change in the shape of the yield curve could produce different results from those presented in the table. Accordingly, the results presented should not be relied upon as indicative of actual results in the event of changing market interest rates.

ITEM 4.       Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Bank of Marin Bancorp and its subsidiary (the "Company") conducted an evaluation under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) or 15d-15(e) under the Securities Exchange Act of 1934 (the “Act”)) as of the end of the period covered by this report. The term disclosure controls and procedures means controls and other procedures that are designed to ensure that information we are required to disclose in the reports that we file or submit under the Act (15 U.S.C. 78a et seq.) is recorded, processed, summarized and reported, within the time periods specified in the SEC's rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information we are required to disclose in the reports that we file or submit under the Act is accumulated and communicated to our management, including our principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure. Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report.

Changes in Internal Control over Financial Reporting

During the quarter ended June 30, 2021, there were no significant changes that materially affected, or are reasonably likely to affect, our internal control over financial reporting. The term internal control over financial reporting, as defined by Rule 15d-15(f) of the Act, is a process designed by, or under the supervision of, the issuer's principal executive and principal financial officers, or persons performing similar functions, and effected by the issuer's board of directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with U.S. generally accepted accounting principles.

PART II       OTHER INFORMATION

ITEM 1         Legal Proceedings

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Refer to Note 12 to the Consolidated Financial Statements in Item 8 of our 2020 Form 10-K and Note 8 to the Consolidated Financial Statements in this Form 10-Q.

ITEM 1A      Risk Factors

There have been no material changes from the risk factors previously disclosed in our 2020 Form 10-K. Refer to "Risk Factors" in Item 1A of our 2020 Form 10-K, pages 12 through 21.

ITEM 2       Unregistered Sales of Equity Securities and Use of Proceeds

There were no unregistered sales of equity securities during the period covered by this report.

Issuer Purchases of Equity Securities

On January 24, 2020, Bancorp Board of Directors approved a share repurchase program under which Bancorp could repurchase up to $25.0 million of its outstanding common stock through February 28, 2022. During the three months ended June 30, 2021, Bancorp repurchased 297,935 shares at an average price of $36.04 per share for a total cost of $10.7 million. This share repurchase program ended in May 2021 with 691,519 cumulative shares repurchased totaling $25.0 million. The following table reflects repurchases under this share repurchase program for the periods presented.

(in thousands, except per share data)	Total Number of Shares Purchased	Average Price Paid per Share 1		Total Number of Shares Purchased as Part of Publicly Announced Programs	Approximate Dollar Value That May yet Be Purchased Under the Program
Period
April 1-30, 2021	130,680	$	36.63	130,680	$	5,959
May 1-31, 2021	167,255	35.58		167,255	$	—
June 1-30, 2021	—	—		—	$	—
Total	297,935	$	36.04	297,935
1 Average price paid per share excludes commission.

On July 16, 2021, the Board of Directors approved a new share repurchase program under which Bancorp may repurchase up to $25.0 million of its outstanding common stock through July 31, 2023.

ITEM 3       Defaults upon Senior Securities

None.

ITEM 4      Mine Safety Disclosures

Not applicable.

ITEM 5      Other Information

None.

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ITEM 6       Exhibits

The following exhibits are filed as part of this report or hereby incorporated by references to filings previously made with the SEC.

		Incorporated by Reference
Exhibit Number	Exhibit Description	Form	File No.	Exhibit	Filing Date	Herewith
2.01	Agreement to Merge and Plan of Reorganization, dated April 16, 2021 by and among Bank of Marin Bancorp and American River Bankshares	8-K	001-33572	2.1	April 19, 2021
3.01	Articles of Incorporation, as amended	S-4	333-257025	3.01	June 11, 2021
3.02	Bylaws, as amended	S-4	333-257025	3.02	June 11, 2021
4.01	Rights Agreement, dated July 6, 2017	8-A12B	001-33572	4.1	July 7, 2017
4.02	Description of Capital Stock	10-K	001-33572	4.02	March 13, 2020
10.01	Employee Stock Ownership Plan	S-8	333-218274	4.1	May 26, 2017
10.02	2017 Employee Stock Purchase Plan	S-8	333-221219	4.1	October 30, 2017
10.03	2017 Equity Plan, as amended	S-8	333-227840	4.1	October 15, 2018
10.04	2020 Director Stock Plan	S-8	333-239555	4.1	June 30, 2020
10.05	Form of Indemnification Agreement for Directors and Executive Officers, dated August 9, 2007	10-Q	001-33572	10.06	November 7, 2007
10.06	Form of Employment Agreement, dated January 23, 2009	8-K	001-33572	10.1	January 26, 2009
10.07	2010 Annual Individual Incentive Compensation Plan, revised 2019	10-K	001-33572	10.07	March 15, 2021
10.08	Salary Continuation Agreement for executive officer Russell Colombo, Chief Executive Officer, dated January 1, 2011	8-K	001-33572	10.1	January 6, 2011
10.09	Salary Continuation Agreement for executive officer Tani Girton, Chief Financial Officer, dated October 18, 2013	8-K	001-33572	10.2	November 4, 2014
10.10	Salary Continuation Agreement for executive officer Elizabeth Reizman, Chief Credit Officer, dated July 20, 2014	8-K	001-33572	10.3	November 4, 2014
10.11	2007 Form of Change in Control Agreement	8-K	001-33572	10.1	October 31, 2007
10.12	Salary Continuation Agreement for executive officer Timothy Myers, President and Chief Operating Officer, dated January 1, 2016	10-Q	001-33572	10.12	November 6, 2020
10.13	Director Deferred Fee Plan, dated December 17, 2020	10-K	001-33572	10.13	March 15, 2021
31.01	Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002					Filed
31.02	Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002					Filed
32.01	Certification pursuant to 18 U.S.C. §1350 as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002					Filed
101.INS	Inline XBRL Instance Document					Filed
101.SCH	Inline XBRL Taxonomy Extension Schema Document					Filed
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document					Filed
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document					Filed
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document					Filed
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document					Filed

Page-45

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	Bank of Marin Bancorp
	(registrant)
August 5, 2021	/s/ Russell A. Colombo
Date	Russell A. Colombo
	Chief Executive Officer
	(Principal Executive Officer)
August 5, 2021	/s/ Tani Girton
Date	Tani Girton
	Executive Vice President &
	Chief Financial Officer
	(Principal Financial Officer)
August 5, 2021	/s/ David A. Merck
Date	David A. Merck
	Vice President &
	Financial Reporting Manager
	(Principal Accounting Officer)

Page-46

EX-31.01

EXHIBIT 31.01

Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) as adopted pursuant to §302 of the Sarbanes-Oxley Act of 2002

I, Russell A. Colombo, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Bank of Marin Bancorp (the Registrant);

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4.The Registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a -15(f) and 15d-15(f)) for the Registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiary, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the Registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the Registrant's internal control over financial reporting that occurred during the Registrant's most recent fiscal quarter (the Registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant's internal control over financial reporting; and

5.The Registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant's auditors and the audit committee of the Registrant's Board of Directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting, which are reasonably likely to adversely affect the Registrant's ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant's internal controls over financial reporting.

August 5, 2021	/s/ Russell A. Colombo
Date	Russell A. Colombo
	Chief Executive Officer

EX-31.02

EXHIBIT 31.02

Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/15d-14(a)as adopted pursuant to §302 of the Sarbanes-Oxley Act of 2002

I, Tani Girton, certify that:

1.I have reviewed this quarterly report on Form 10-Q of Bank of Marin Bancorp (the Registrant);

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4.The Registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiary, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the Registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the Registrant's internal control over financial reporting that occurred during the Registrant's most recent fiscal quarter (the Registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant's internal control over financial reporting; and

5.The Registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant's auditors and the audit committee of the Registrant's Board of Directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting, which are reasonably likely to adversely affect the Registrant's ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant's internal controls over financial reporting.

August 5, 2021	/s/ Tani Girton
Date	Tani Girton
	Executive Vice President &
	Chief Financial Officer

EX-32.01

EXHIBIT 32.01

Certification pursuant to 18 U.S.C. §1350 as adopted pursuant to §906

of the Sarbanes-Oxley Act of 2002

In connection with the quarterly report on Form 10-Q of Bank of Marin Bancorp (the Registrant) for the quarter ended June 30, 2021, as filed with the Securities and Exchange Commission, the undersigned hereby certify pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

1) such Form 10-Q fully complies with the requirements of Section 13(a) or 15(d)

of the Securities Exchange Act of 1934; and

2) the information contained in such Form 10-Q fairly presents, in all material

respects, the financial condition and results of operations of the Registrant.

August 5, 2021	/s/ Russell A. Colombo
Date	Russell A. Colombo
	Chief Executive Officer

August 5, 2021	/s/ Tani Girton
Date	Tani Girton
	Executive Vice President &
	Chief Financial Officer

This certification accompanies each report pursuant to §906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, be deemed filed by the Registrant for purposes of §18 of the Securities Exchange Act of 1934, as amended.

XML

Cover - shares	6 Months Ended
	Jun. 30, 2021	Jul. 31, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2021
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(b) Security	Common stock, no par value and attached Share Purchase Rights
Trading Symbol	BMRC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Smaller Reporting Company	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		13,021,501
Entity Central Index Key	0001403475
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Amendment Flag	false

XML

CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets
Cash, cash equivalents and restricted cash	$ 257,543	$ 200,320
Investment securities:
Held-to-maturity, at amortized cost (net of zero allowance for credit losses at June 30, 2021 and December 31, 2020 )	169,038	109,036
Available-for-sale, at fair value (net of zero allowance for credit losses at June 30, 2021 and December 31, 2020 )	517,963	392,351
Total investment securities	687,001	501,387
Loans, at amortized cost	2,002,767	2,088,556
Allowance for credit losses on loans	(19,100)	(22,874)
Loans, net of allowance for credit losses	1,983,667	2,065,682
Bank premises and equipment, net	5,248	4,919
Goodwill	30,140	30,140
Core deposit intangible	3,423	3,831
Operating lease right-of-use assets	23,506	25,612
Interest receivable and other assets	83,290	80,035
Total assets	3,073,818	2,911,926
Deposits
Non-interest bearing	1,460,076	1,354,650
Interest bearing
Transaction accounts	168,226	183,552
Savings accounts	230,730	201,507
Money market accounts	729,193	667,107
Time accounts	95,350	97,433
Total deposits	2,683,575	2,504,249
Borrowings and other obligations	438	58
Subordinated debenture	0	2,777
Operating lease liabilities	24,919	27,062
Interest payable and other liabilities	16,237	19,527
Total liabilities	2,725,169	2,553,673
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 - 13,055,105 and 13,500,453 at June 30, 2021 and December 31, 2020, respectively	108,430	125,905
Retained earnings	231,841	219,747
Accumulated other comprehensive income, net of taxes	8,378	12,601
Total stockholders' equity	348,649	358,253
Total liabilities and stockholders' equity	$ 3,073,818	$ 2,911,926

XML

CONSOLIDATED STATEMENTS OF CONDITION (Parenthetical) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Investment securities:
Held-to-maturity, allowance for credit Loss	$ 0	$ 0
Available-for-sale, allowance for credit loss	$ 0	$ 0
Stockholders' Equity
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock, issued (in shares)	0	0
Common stock, authorized (in shares)	30,000,000	30,000,000
Common stock, issued (in shares)	13,055,105	13,500,453
Common stock, outstanding (in shares)	13,055,105	13,500,453

XML

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Interest income
Interest and fees on loans	$ 21,429	$ 21,217	$ 42,090	$ 42,104
Interest on investment securities	3,504	3,741	6,633	7,906
Interest on federal funds sold and due from banks	54	39	96	371
Total interest income	24,987	24,997	48,819	50,381
Interest expense
Interest on interest-bearing transaction accounts	39	39	78	105
Interest on savings accounts	21	17	40	33
Interest on money market accounts	312	383	598	1,354
Interest on time accounts	81	142	177	303
Interest on borrowings and other obligations	0	1	0	3
Interest on subordinated debenture	0	40	1,361	89
Total interest expense	453	622	2,254	1,887
Net interest income	24,534	24,375	46,565	48,494
(Reversal of) provision for credit losses on loans	(920)		(3,849)
(Reversal of) provision for credit losses on loans		2,000		4,200
(Reversal of) provision for credit losses on unfunded loan commitments	(612)	260	(1,202)	362
Net interest income after (reversal of) provision for credit losses	26,066	22,115	51,616	43,932
Non-interest income
Earnings on bank-owned life insurance, net	233	234	490	509
Dividends on Federal Home Loan Bank stock	177	146	326	354
Gains on sale of investment securities, net	0	115	0	915
Other income	285	249	513	698
Total non-interest income	2,022	1,813	3,848	4,933
Non-interest expense
Salaries and related benefits	8,888	7,864	18,096	17,341
Occupancy and equipment	1,751	1,661	3,502	3,324
Professional services	986	550	1,849	1,094
Data processing	820	829	1,639	1,615
Depreciation and amortization	389	526	848	1,052
Information technology	296	252	609	502
Amortization of core deposit intangible	204	213	408	426
Federal Deposit Insurance Corporation insurance	182	116	361	118
Directors' expense	230	175	405	349
Charitable contributions	462	273	493	440
Other expense	1,348	1,422	2,758	2,987
Total non-interest expense	15,556	13,881	30,968	29,248
Income before provision for income taxes	12,532	10,047	24,496	19,617
Provision for income taxes	3,247	2,641	6,264	4,983
Net income	$ 9,285	$ 7,406	$ 18,232	$ 14,634
Net income per common share:
Basic (in dollars per share)	$ 0.71	$ 0.55	$ 1.38	$ 1.08
Diluted (in dollars per share)	$ 0.71	$ 0.55	$ 1.37	$ 1.07
Weighted average shares:
Basic (in shares)	13,092	13,514	13,227	13,519
Diluted (in shares)	13,164	13,585	13,316	13,621
Comprehensive income (loss):
Net income	$ 9,285	$ 7,406	$ 18,232	$ 14,634
Other comprehensive income (loss):
Change in net unrealized gains on available-for-sale securities	2,798	1,494	(6,284)	11,306
Reclassification adjustment for gains on available-for-sale securities included in net income	0	(115)	0	(915)
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity	138	135	281	245
Other comprehensive income (loss), before tax	2,936	1,514	(6,003)	10,636
Deferred tax expense (benefit)	864	448	(1,780)	3,145
Other comprehensive income (loss), net of tax	2,072	1,066	(4,223)	7,491
Total comprehensive income	11,357	8,472	14,009	22,125
Fiduciary and trust
Non-interest income
Service charges on deposit accounts, wealth management and trust services, debit card interchange fees net, and merchant interchange fees net	530	421	1,018	925
Debit card
Non-interest income
Service charges on deposit accounts, wealth management and trust services, debit card interchange fees net, and merchant interchange fees net	419	308	785	668
Deposit account
Non-interest income
Service charges on deposit accounts, wealth management and trust services, debit card interchange fees net, and merchant interchange fees net	317	293	598	744
Merchant interchange fees, net
Non-interest income
Service charges on deposit accounts, wealth management and trust services, debit card interchange fees net, and merchant interchange fees net	$ 61	$ 47	$ 118	$ 120

XML

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income, Net of Taxes
Beginning balance (in shares) at Dec. 31, 2019		13,577,008
Beginning balance at Dec. 31, 2019	$ 336,788	$ 129,058	$ 203,227	$ 4,503
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	14,634		14,634
Other comprehensive (loss) income	7,491			7,491
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares)		63,815
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	1,277	$ 1,277
Stock issued under employee stock purchase plan (in shares)		1,084
Stock issued under employee stock purchase plan	33	$ 33
Stock issued under employee stock ownership plan (in shares)		19,400
Stock issued under employee stock ownership plan	648	$ 648
Restricted stock granted (in shares)		29,100
Restricted stock surrendered for tax withholdings upon vesting (in shares)		(2,200)
Restricted stock surrendered for tax withholdings upon vesting	(73)	$ (73)
Restricted stock forfeited / cancelled (in shares)		(6,718)
Stock-based compensation - stock options	211	$ 211
Stock-based compensation - restricted stock	574	$ 574
Cash dividends paid on common stock	(6,248)		(6,248)
Stock purchased by directors under director stock plan (in shares)		400
Stock purchased by directors under director stock plan	18	$ 18
Stock issued in payment of director fees (in shares)		2,610
Stock issued in payment of director fees	117	$ 117
Stock repurchased, net of commissions (in shares)		(92,664)
Stock repurchased, net of commissions	(3,230)	$ (3,230)
Ending balance (in shares) at Jun. 30, 2020		13,591,835
Ending balance at Jun. 30, 2020	352,240	$ 128,633	211,613	11,994
Beginning balance (in shares) at Mar. 31, 2020		13,565,969
Beginning balance at Mar. 31, 2020	345,940	$ 127,684	207,328	10,928
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,406		7,406
Other comprehensive (loss) income	1,066			1,066
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares)		14,760
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	453	$ 453
Stock issued under employee stock purchase plan (in shares)		537
Stock issued under employee stock purchase plan	17	$ 17
Stock issued under employee stock ownership plan (in shares)		11,500
Stock issued under employee stock ownership plan	324	$ 324
Restricted stock forfeited / cancelled (in shares)		(931)
Stock-based compensation - stock options	42	$ 42
Stock-based compensation - restricted stock	113	$ 113
Cash dividends paid on common stock	(3,121)		(3,121)
Ending balance (in shares) at Jun. 30, 2020		13,591,835
Ending balance at Jun. 30, 2020	$ 352,240	$ 128,633	211,613	11,994
Beginning balance (in shares) at Dec. 31, 2020	13,500,453	13,500,453
Beginning balance at Dec. 31, 2020	$ 358,253	$ 125,905	219,747	12,601
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	18,232		18,232
Other comprehensive (loss) income	(4,223)			(4,223)
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares)		31,180
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	351	$ 351
Stock issued under employee stock purchase plan (in shares)		1,609
Stock issued under employee stock purchase plan	53	$ 53
Stock issued under employee stock ownership plan (in shares)		18,300
Stock issued under employee stock ownership plan	668	$ 668
Restricted stock granted (in shares)		29,454
Restricted stock surrendered for tax withholdings upon vesting (in shares)		(3,961)
Restricted stock surrendered for tax withholdings upon vesting	(156)	$ (156)
Restricted stock forfeited / cancelled (in shares)		(3,848)
Stock-based compensation - stock options	200	$ 200
Stock-based compensation - restricted stock	538	$ 538
Cash dividends paid on common stock	(6,138)		(6,138)
Stock purchased by directors under director stock plan (in shares)		519
Stock purchased by directors under director stock plan	18	$ 18
Stock issued in payment of director fees (in shares)		3,347
Stock issued in payment of director fees	117	$ 117
Stock repurchased, net of commissions (in shares)		(521,948)
Stock repurchased, net of commissions	$ (19,264)	$ (19,264)
Ending balance (in shares) at Jun. 30, 2021	13,055,105	13,055,105
Ending balance at Jun. 30, 2021	$ 348,649	$ 108,430	231,841	8,378
Beginning balance (in shares) at Mar. 31, 2021		13,326,509
Beginning balance at Mar. 31, 2021	350,292	$ 118,386	225,600	6,306
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9,285		9,285
Other comprehensive (loss) income	2,072			2,072
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares)		14,000
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings	314	$ 314
Stock issued under employee stock purchase plan (in shares)		831
Stock issued under employee stock purchase plan	25
Stock issued under employee stock ownership plan (in shares)		9,300
Stock issued under employee stock ownership plan	336	$ 336
Restricted stock granted (in shares)		2,400
Stock-based compensation - stock options	28	$ 28
Stock-based compensation - restricted stock	95	$ 95
Cash dividends paid on common stock	(3,044)		(3,044)
Stock repurchased, net of commissions (in shares)		(297,935)
Stock repurchased, net of commissions	$ (10,754)	$ (10,754)
Ending balance (in shares) at Jun. 30, 2021	13,055,105	13,055,105
Ending balance at Jun. 30, 2021	$ 348,649	$ 108,430	$ 231,841	$ 8,378

XML

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Stockholders' Equity [Abstract]
Cash dividends paid on common stock (in dollars per share)	$ 0.23	$ 0.23	$ 0.46	$ 0.46

XML

CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)		Jun. 30, 2021 USD ($)		Jun. 30, 2020 USD ($)
Cash Flows from Operating Activities:
Net income	$ 7,406		$ 18,232		$ 14,634
Adjustments to reconcile net income to net cash provided by operating activities:
(Reversal of) provision for credit losses on loans	2,000		(3,849)		4,200
(Reversal of) provision for credit losses on unfunded loan commitments	260		(1,202)		362
Noncash contribution expense to employee stock ownership plan			668		648
Noncash director compensation expense			162		150
Stock-based compensation expense			738		785
Amortization of core deposit intangible	213		408		426
Amortization of investment security premiums, net of accretion of discounts			1,753		344
Accretion of discounts on acquired loans			(78)		(55)
Accretion of discount on subordinated debenture			1,347		35
Net change in deferred loan origination costs/fees			1,146		7,829
Gain on sale of investment securities	(115)		0		(915)
Depreciation and amortization	526		848		1,052
Earnings on bank-owned life insurance policies	(234)		(490)		(509)
Net changes in:
Interest receivable and other assets			952		(2,174)
Interest payable and other liabilities			(866)		2,816
Total adjustments			1,537		14,994
Net cash provided by operating activities			19,769		29,628
Cash Flows from Investing Activities:
Purchase of held-to-maturity securities			(74,521)		0
Purchase of available-for-sale securities			(170,161)		(56,912)
Proceeds from sale of available-for-sale securities	6,314		0		33,756
Proceeds from paydowns/maturities of held-to-maturity securities			14,376		11,530
Proceeds from paydowns/maturities of available-for-sale securities			36,936		36,951
Loans originated and principal collected, net			84,259
Loans originated and principal collected, net					(273,169)
Purchase of bank-owned life insurance policies			(1,943)		(941)
Purchase of premises and equipment			(765)		(242)
Cash paid for low income housing tax credit investment			(346)		(1,251)
Net cash used in investing activities			(112,165)		(250,278)
Cash Flows from Financing Activities:
Net increase in deposits			179,326		443,377
Proceeds from stock options exercised			351		1,277
Payment of tax withholdings for vesting of restricted stock			(156)		(73)
Proceeds from stock issued under employee and director stock purchase plans			71		51
Stock repurchased, net of commissions			(19,677)		(3,333)
Repayment of subordinated debenture including execution costs			(4,126)		0
Repayment of finance lease obligations			(32)		(90)
Cash dividends paid on common stock			(6,138)		(6,248)
Net cash provided by financing activities			149,619		434,961
Net increase in cash, cash equivalents and restricted cash			57,223		214,311
Cash, cash equivalents and restricted cash at beginning of period			200,320		183,388
Cash, cash equivalents and restricted cash at end of period	397,699		257,543		397,699
Supplemental disclosure of cash flow information:
Cash paid in interest			951		1,871
Cash paid in income taxes			6,000		0
Supplemental disclosure of noncash investing and financing activities:
Change in net unrealized gains on available-for-sale securities			(6,284)		11,306
Amortization of net unrealized loss on available-for-sale securities transferred to held-to-maturity	135		281		245
Stock issued to employee stock ownership plan			668		648
Stock issued for director compensation expense			162		150
Restricted cash	$ 0	[1]	$ 0	[1]	$ 0	[1]

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

XML

Basis of Presentation

6 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The consolidated financial statements include the accounts of Bank of Marin Bancorp (“Bancorp”), a bank holding company, and its wholly-owned bank subsidiary, Bank of Marin (the “Bank”), a California state-chartered commercial bank. References to “we,” “our,” “us” mean Bancorp and the Bank that are consolidated for financial reporting purposes. The accompanying unaudited consolidated interim financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and note disclosures normally included in annual financial statements prepared in accordance with U.S. generally accepted accounting principles ("GAAP") have been condensed or omitted pursuant to those rules and regulations. Certain items in prior financial statements were reclassified to conform to the current presentation, including the reclassification of the provision for credit losses on unfunded commitments in the second quarter of 2021 from non-interest expense to a separate line item under the provision for credit losses on loans in the consolidated statements of comprehensive income.

Although we believe that the disclosures are adequate and the information presented is not misleading, we suggest that these interim financial statements be read in conjunction with the annual financial statements and the notes thereto included in our 2020 Annual Report on Form 10-K.  In the opinion of management, the unaudited consolidated financial statements reflect all adjustments, which are necessary for a fair presentation of the consolidated financial position, the results of operations, changes in comprehensive income, changes in stockholders’ equity, and cash flows for the periods presented. All material intercompany transactions have been eliminated. The results of these interim periods may not be indicative of the results for the full year or for any other period.

The NorCal Community Bancorp Trust II (the "Trust") was formed for the sole purpose of issuing trust preferred securities. Bancorp is not considered the primary beneficiary of the Trust (a variable interest entity), therefore the Trust is not consolidated in our consolidated financial statements, but rather the subordinated debenture is shown as a liability on our consolidated statements of condition. Bancorp's investment in the securities of the Trust is accounted for under the equity method and is included in interest receivable and other assets on the consolidated statements of condition. Refer to Note 6, Borrowings, for additional information on the subordinated debenture due to NorCal Community Bancorp Trust II and the early redemption that occurred on March 15, 2021.

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 earnings per share (“EPS”) are calculated by dividing net income by the weighted average number of common shares outstanding during each 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 the quarterly diluted EPS is computed using the average market prices during the three months included in the reporting period under the treasury stock method. 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 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.

	Three months ended				Six months ended
(in thousands, except per share data)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Weighted average basic common shares outstanding	13,092		13,514		13,227		13,519
Potentially dilutive common shares related to:
Stock options	54		54		67		80
Unvested restricted stock awards	18		17		22		22
Weighted average diluted shares outstanding	13,164		13,585		13,316		13,621
Net income	$	9,285	$	7,406	$	18,232	$	14,634
Basic EPS	$	0.71	$	0.55	$	1.38	$	1.08
Diluted EPS	$	0.71	$	0.55	$	1.37	$	1.07
Weighted average anti-dilutive common shares not included in the calculation of diluted EPS	111		207		88		109

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Recently Adopted and Issued Accounting Standards

6 Months Ended

Jun. 30, 2021

Accounting Standards Update and Change in Accounting Principle [Abstract]

Recently Adopted and Issued Accounting Standards

Recently Adopted and Issued Accounting Standards

Accounting Standards Adopted in 2021

In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (ASC Topic 740): Simplifying the Accounting for Income Taxes. This ASU is intended to reduce the cost and complexity related to accounting for income taxes by removing certain exceptions to the guidance in ASC 740 related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period and simplifying aspects of the accounting for franchise taxes and enacted changes in tax laws or rates. We adopted this ASU prospectively on January 1, 2021, which did not have a material impact on our financial condition or results of operations.

In January 2020, the FASB issued ASU No. 2020-01, Investments - Equity Securities (ASC Topic 321), Investments - Equity Method and Joint Ventures (ASC Topic 323), and Derivatives and Hedging (ASC Topic 815) - Clarifying the Interactions between ASC 321, ASC 323, and ASC 815. Among other things, this ASU clarifies that a company should consider observable transactions that require a company to either apply or discontinue the equity method of accounting under ASC 323, for the purposes of applying the measurement alternative in accordance with ASC 321. We adopted this ASU prospectively on January 1, 2021, which did not have a material impact on our financial condition or results of operations.

In October 2020, the FASB issued ASU No. 2020-08, Codification Improvements to Subtopic 310-20, Receivables—Nonrefundable Fees and Other Costs. This ASU was issued as part of the Board's ongoing project to improve codification or correct unintended application. This ASU adds clarification to ASU 2017-08, which the Bank early-adopted in 2017, and delineates whether an entity with callable debt securities that have multiple call dates should amortize the amount above that which is repayable, to the next call date. We adopted this ASU prospectively on January 1, 2021. Because this ASU was narrow in scope and for clarification purposes, it did not have a material impact on our financial condition and results of operations.

Accounting Standards Not Yet Effective

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848). The amendments in this ASU are elective and provide optional guidance for a limited period of time to ease the potential burden of accounting for, or recognizing the effects of reference rate reform. The amendments in this ASU provide optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The amendments in this ASU may be elected as of March 12, 2020 through December 31, 2022. An entity may choose to elect the amendments in this update at an interim period subsequent to March 12, 2020 with adoption methods varying based on transaction type. We have not elected to apply amendments at this time, however, will assess the applicability of this ASU to us as we continue to monitor guidance for reference rate reform from FASB and its impact on our financial condition and results of operations.

In January 2021, the FASB issued ASU No. 2021-01, Reference Rate Reform (Topic 848). The main amendments in this ASU are intended to clarify certain optional expedients and scope of derivative instruments. The amendments are elective and effective immediately upon issuance of this ASU. Amendments may be elected through December 31, 2022. We have not elected to apply amendments at this time, however, will assess the applicability of this ASU to us as we continue to monitor guidance for reference rate reform from FASB and its impact on our financial condition and results of operations.

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Fair Value of Assets and Liabilities

6 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value of Assets and Liabilities

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 in 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.

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
June 30, 2021
Securities available-for-sale:
Mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	284,783	$	—	$	284,783	$	—	OCI
SBA-backed securities	29,460		—		29,460		—		OCI
Debentures of government sponsored agencies	74,711		—		74,711		—		OCI
Obligations of state and political subdivisions	123,224		—		123,224		—		OCI
Corporate bonds	5,785		—		5,785		—		OCI
Derivative financial liabilities (interest rate contracts)	1,363		—		1,363		—		NI
December 31, 2020
Securities available-for-sale:
Mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	228,651	$	—	$	228,651	$	—	OCI
SBA-backed securities	32,862		—		36,286		—		OCI
Debentures of government sponsored agencies	20,186		—		20,186		—		OCI
Obligations of state and political subdivisions	110,652		—		110,652		—		OCI
Derivative financial liabilities (interest rate contracts)	1,912		—		1,912		—		NI

 1 Other comprehensive income ("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. 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 obligations of state and political subdivisions, U.S. agencies or government-sponsored agencies' debt securities, mortgage-backed securities, government agency-issued, privately-issued collateralized mortgage obligations, and corporate bonds. As of June 30, 2021 and December 31, 2020, there were no Level 1 or Level 3 securities.

Held-to-maturity securities may be written down to fair value as a result of impairment through a provision for credit losses in investments securities. We did not record any write-downs during the six months ended June 30, 2021 or June 30, 2020. 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. Level 2 inputs for the valuations are limited to observable market prices for London Interbank Offered Rate ("LIBOR") and Overnight Index Swap ("OIS") rates (for the very short term), quoted prices for LIBOR futures contracts, observable market prices for LIBOR and OIS swap rates, and one-month and three-month LIBOR basis spreads at commonly quoted intervals.  Mid-market pricing of the inputs is used as a practical expedient in the 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 LIBOR for the closest maturity term corresponding to the duration of the swaps to derive the CVA. A similar credit risk adjustment, correlated to the credit standing of the counterparty, is made when collateral posted by the counterparty does not fully cover their liability to us. For further discussion on our methodology in 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 impaired loans that are collateral dependent and other real estate owned ("OREO"). As of June 30, 2021 and December 31, 2020, we did not carry any assets measured at fair value on a non-recurring basis.

Disclosures about Fair Value of Financial Instruments

The table below is a summary of fair value estimates for financial instruments as of June 30, 2021 and December 31, 2020, 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") and non-maturity deposit liabilities. Additionally, we held shares of Federal Home Loan Bank ("FHLB") of San Francisco stock and Visa Inc. Class B common stock, both recorded 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 as of June 30, 2021 or December 31, 2020. The values are discussed in Note 4, Investment Securities.

	June 30, 2021					December 31, 2020
(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	$	257,543	$	257,543	Level 1	$	200,320	$	200,320	Level 1
Investment securities held-to-maturity	169,038		174,138		Level 2	109,036		115,185		Level 2
Loans, net	2,002,767		1,993,373		Level 3	2,065,682		2,089,192		Level 3
Interest receivable	10,160		10,160		Level 2	10,922		10,922		Level 2
Financial liabilities (recorded at amortized cost)
Time deposits	95,350		95,572		Level 2	97,433		97,769		Level 2
Subordinated debenture	—		—		Level 3	2,777		3,115		Level 3
Interest payable	53		53		Level 2	97		97		Level 2

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 not reflect actual or prospective market valuations. The

discounted cash flow valuation approach reflects key inputs and assumptions such as loan probability of default, loss given default, prepayment speed, and market discount rates.

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

Fair value of the subordinated debenture is estimated using a discounted cash flow approach based on current interest rates for similar financial instruments adjusted for credit and liquidity spreads.

The value of unrecognized 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 June 30, 2021 or December 31, 2020.

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Investment Securities

6 Months Ended

Jun. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities

Our investment securities portfolio consists of obligations of state and political subdivisions, U.S. Corporations, U.S. federal government agencies such as Government National Mortgage Association ("GNMA") and Small Business Administration ("SBA"), U.S. government-sponsored enterprises ("GSEs"), such as Federal National Mortgage Association ("FNMA"), Federal Home Loan Mortgage Corporation ("FHLMC"), Federal Farm Credit Banks Funding Corporation and FHLB. 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 June 30, 2021 and December 31, 2020 is presented below.

Held-to-maturity:	Amortized Cost 1		Allowance for Credit Losses		Net Carrying Amount		Gross Unrealized				Fair Value
(in thousands)							Gains		(Losses)
June 30, 2021
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	74,115	$	—	$	74,115	$	3,247	$	—	$	77,362
CMOs issued by FHLMC	38,641		—		38,641		1,142		(38)		39,745
CMOs issued by FNMA	6,274		—		6,274		265		—		6,539
SBA-backed securities	5,697		—		5,697		361		—		6,058
Debentures of government-sponsored agencies	43,731		—		43,731		115		—		43,846
Obligations of state and political subdivisions	580		—		580		8		—		588
Total held-to-maturity	$	169,038	$	—	$	169,038	$	5,138	$	(38)	$	174,138
December 31, 2020
Corporate bonds	$	—	$	—	$	—	$	—	$	—	$	—
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	65,579	$	—	$	65,579	$	3,924	$	—	$	69,503
CMOs issued by FHLMC	27,201		—		27,201		1,441		—		28,642
CMOs issued by FNMA	8,042		—		8,042		363		—		8,405
SBA-backed securities	6,547		—		6,547		400		—		6,947
Obligations of state and political subdivisions	1,667		—		1,667		21		—		1,688
Total held-to-maturity	$	109,036	$	—	$	109,036	$	6,149	$	—	$	115,185
1 Amortized cost and fair values exclude accrued interest receivable of $550 thousand and $366 thousand at June 30, 2021 and December 31, 2020, 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 on a collective basis 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, 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 by Moody's and/or Standard & Poor's bond ratings as of June 30, 2021.

	Obligations of state and political subdivisions
(in thousands)	June 30, 2021		December 31, 2020
AA	$	376	$	1,461
A	204		206
Total	$	580	$	1,667

A summary of the amortized cost, fair value and allowance for credit losses related to securities available-for-sale as of June 30, 2021 and December 31, 2020 is presented below.

Available-for-sale:	Amortized Cost 1		Gross Unrealized				Allowance for Credit Losses		Fair Value
(in thousands)			Gains		(Losses)
June 30, 2021
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	57,653	$	1,867	$	—	$	—	$	59,520
CMOs issued by FHLMC	160,949		5,573		(436)		—		166,086
CMOs issued by FNMA	36,636		428		—		—		37,064
CMOs issued by GNMA	21,855		258		—		—		22,113
SBA-backed securities	27,938		1,568		(46)		—		29,460
Debentures of government- sponsored agencies	76,321		128		(1,738)		—		74,711
Obligations of state and political subdivisions	117,595		5,694		(65)		—		123,224
Corporate bonds	5,987		—		(202)		—		5,785
Total available-for-sale	$	504,934	$	15,516	$	(2,487)	$	—	$	517,963
December 31, 2020
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	50,686	$	2,530	$	—	$	—	$	53,216
CMOs issued by FHLMC	143,267		7,925		(1)		—		151,191
CMOs issued by FNMA	16,450		580		—		—		17,030
CMOs issued by GNMA	6,863		351		—		—		7,214
SBA-backed securities	30,941		1,976		(55)		—		32,862
Debentures of government- sponsored agencies	19,944		266		(24)		—		20,186
Obligations of state and political subdivisions	104,887		5,765		—		—		110,652
Total available-for-sale	$	373,038	$	19,393	$	(80)	$	—	$	392,351
1 Amortized cost and fair value exclude accrued interest receivable of $2.4 million and $1.9 million June 30, 2021 and December 31, 2020, which is included in interest receivable and other assets in the consolidated statements of condition.

The amortized cost and fair value of investment debt securities by contractual maturity at June 30, 2021 and December 31, 2020 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.

	June 30, 2021								December 31, 2020
	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	$	245	$	246	$	14,263	$	14,403	$	246	$	250	$	11,530	$	11,687
After one but within five years	20,203		21,184		53,194		55,835		7,550		7,961		59,028		62,397
After five years through ten years	58,465		60,963		183,706		189,492		52,113		55,872		144,908		154,089
After ten years	90,125		91,745		253,771		258,233		49,127		51,102		157,572		164,178
Total	$	169,038	$	174,138	$	504,934	$	517,963	$	109,036	$	115,185	$	373,038	$	392,351

Sales of investment securities and gross gains and losses are shown in the following table:

	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Available-for-sale:
Sales proceeds	$	—	$	6,314	$	—	$	33,756
Gross realized gains	—		116		—		916
Gross realized losses	—		(1)		—		(1)

Pledged investment securities are shown in the following table:

(in thousands)	June 30, 2021		December 31, 2020
Pledged to the State of California:
Secure public deposits in compliance with the Local Agency Security Program	$	145,128	$	131,051
Collateral for trust deposits	742		751
Total investment securities pledged to the State of California	145,870		131,802
Collateral for Wealth Management and Trust Services checking account	624		629
Total pledged investment securities	$	146,494	$	132,431

There were 23 and 10 securities in unrealized loss positions at June 30, 2021 and December 31, 2020, respectively. Those securities are summarized and classified according to the duration of the loss period in the tables below:

June 30, 2021	< 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:
CMOs issued by FHLMC	$	4,372	$	(38)	$	—	$	—	$	4,372	$	(38)
Total held-to-maturity	4,372		(38)		—		—		4,372		(38)
Available-for-sale:
MBS pass-through securities issued by FHLMC and FNMA	—		—		—		—		—		—
SBA-backed securities	—		—		1,417		(46)		1,417		(46)
CMOs issued by FNMA	—		—		—		—		—		—
CMOs issued by FHLMC	33,740		(436)		—		—		33,740		(436)
Debentures of government- sponsored agencies	63,594		(1,738)		—		—		63,594		(1,738)
Obligations of state and political subdivisions	2,550		(65)		—		—		2,550		(65)
Corporate bonds	5,785		(202)		—		—		5,785		(202)
Total available-for-sale	105,669		(2,441)		1,417		(46)		107,086		(2,487)
Total temporarily impaired securities	$	110,041	$	(2,479)	$	1,417	$	(46)	$	111,458	$	(2,525)

December 31, 2020	< 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
Available-for-sale:
SBA-backed securities	$	—	$	—	$	1,790	$	(55)	$	1,790	$	(55)
CMOs issued by FHLMC	5,975		(1)		—		—		5,975		(1)
Debentures of government- sponsored agencies	3,943		(24)		—		—		3,943		(24)
Total available-for-sale	9,918		(25)		1,790		(55)		11,708		(80)
Total temporarily impaired securities	$	9,918	$	(25)	$	1,790	$	(55)	$	11,708	$	(80)

As of June 30, 2021, the investment portfolio included 4 investment securities that had been in a continuous loss position for twelve months or more and 19 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 by 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. 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 investment in obligations of state and political subdivisions bonds are deemed credit worthy after our comprehensive analysis of the issuers' latest financial information, credit ratings by major credit agencies, and/or credit enhancements.

At June 30, 2021, management determined that it did not intend to sell any investment securities with unrealized losses, and it is more likely than not that we will not be required to sell securities with unrealized losses before recovery of their amortized cost. Therefore, no allowances for credit losses has been recognized on available for sale securities in an unrealized loss position as management does not believe any of the securities are impaired due to reasons of credit quality at June 30, 2021.

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 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 $11.9 million of FHLB stock included in other assets on the consolidated statements of condition at both June 30, 2021 and December 31, 2020. The carrying amounts of these investments are reasonable estimates of fair value because the securities are restricted to member banks and they 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 June 30, 2021 and December 31, 2020. On July 29, 2021, FHLB announced a cash dividend for the second quarter of 2021 at an annualized dividend rate of 6.00% to be distributed in mid-August 2021. 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 at June 30, 2021 and December 31, 2020. These shares have a carrying value of zero and are restricted 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 escrow account. Because of the restriction and the uncertainty on the conversion rate to Class A shares, these shares lack a readily determinable fair value. When converting this Class B common stock to Class A common stock based on the estimated conversion rate of 1.6228 both at June 30, 2021 and December 31, 2020, and the closing stock price of Class A shares at those respective dates, the converted value of our shares of Class B common stock would have been $4.0 million and $3.7 million at June 30, 2021 and December 31, 2020, respectively. The conversion rate is subject to further adjustment upon the final settlement of the covered litigation

against Visa Inc. and its member banks. As such, the fair value of these Class B shares can differ significantly from their converted values. For further information, refer to Note 8, Commitments and Contingencies.

Low Income Housing Tax Credits

We invest in low-income housing tax credit funds as a limited partner, which totaled $3.3 million and $3.5 million recorded in other assets as of June 30, 2021 and December 31, 2020, respectively. In the first six months of 2021, we recognized $323 thousand of low-income housing tax credits and other tax benefits, offset by $271 thousand of amortization expense of low-income housing tax credit investment, as a component of income tax expense. As of June 30, 2021, our unfunded commitments for these low-income housing tax credit funds totaled $474 thousand. We did not recognize any impairment losses on these low-income housing tax credit investments during the first six months of 2021 or 2020, as the value of the future tax benefits exceeds the carrying value of the investments.

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Loans and Allowance for Credit Losses on Loans

6 Months Ended

Jun. 30, 2021

Receivables [Abstract]

Loans and Allowance for Credit Losses on Loans

Loans and Allowance for Credit Losses on Loans

Under the accounting relief provisions of the Coronavirus Aid, Relief and Economic Security ("CARES") Act passed in March 2020, we postponed the adoption of the CECL standard from January 1, 2020 to December 31, 2020. Upon adoption we used a modified retrospective method effective October 1, 2020 (the beginning of the first reporting period in which the standard was effective due to the postponement of CECL) through a cumulative adjustment to retained earnings. The cumulative adjustment to retained earnings was recorded, net of taxes, based on economic forecasts and other assumptions as of December 31, 2019. Results for reporting periods beginning after September 30, 2020 have been presented under the new standard while prior period amounts continue to be reported in accordance with previously applicable GAAP. Certain prior period credit quality disclosures related to impaired loans and individually and collectively evaluated loans were superseded with the CECL accounting standards and have not been included below. Refer to Notes 1 and 3 under Part II, Item 8, of our 2020 Form 10-K for additional information regarding the adoption of CECL. In addition, refer to Note 5 under Part I, Item 1, of our June 30, 2020 Form 10-Q for prior period information.

The following table presents the amortized cost of loans by class as of June 30, 2021 and December 31, 2020.

(in thousands)	June 30, 2021		December 31, 2020
Commercial and industrial	$	423,646	$	498,408
Real estate:
Commercial owner-occupied	296,407		304,963
Commercial investor-owned	967,335		961,208
Construction	80,841		73,046
Home equity	92,510		104,813
Other residential	120,903		123,395
Installment and other consumer loans	21,125		22,723
Total loans, at amortized cost 1	2,002,767		2,088,556
Allowance for credit losses on loans	(19,100)		(22,874)
Total loans, net	$	1,983,667	$	2,065,682

1 Amortized cost includes net deferred loan origination fees of $(5.2) million and $(4.9) million at June 30, 2021 and December 31, 2020, respectively. Amounts are also net of unrecognized purchase discounts of $737 thousand and $815 thousand at June 30, 2021 and December 31, 2020, respectively. Amortized cost excludes accrued interest, which totaled $7.3 million and $8.8 million at June 30, 2021 and December 31, 2020, respectively, and is included in interest receivable and other assets in the consolidated statements of condition.

Lending Risks

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 resultant decreased consumer and/or business spending, may have an effect on the credit quality of commercial loans.

In April 2020, the Bank began participating in the Small Business Administration's ("SBA") Paycheck Protection Program ("PPP"). As of June 30, 2021, there were 1,532 PPP loans outstanding. PPP loans totaling $248.3 million (net of $6.5 million in unrecognized fees and costs) and $291.6 million (net of $5.4 million in unrecognized fees and costs) as of June 30, 2021 and December 31, 2020, respectively, were included in commercial and industrial loan balances. Of the 1,532 PPP loans outstanding as of June 30, 2021, 1,060 loans totaling $136.0 million were funded during the first half of 2021 under the second round of the PPP stimulus plan. PPP loans have terms of two to five years and earn interest at 1%. In addition, the SBA paid the Bank a fee of 1%-5% depending on the loan amount, which was netted with loan origination costs and accreted/amortized into interest income using the effective yield method over the contractual life of each loan. The recognition of fees and costs is accelerated when the SBA forgives the loan and/or the loan is paid off prior to maturity. PPP loans are fully guaranteed by the SBA and have virtually no risk of loss. We expect the vast majority of the PPP loans to be fully forgiven by the SBA.

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 and to be 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 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 the commercial real estate projects. As such, we have generally experienced a relatively low level of loss 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 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 and floating homes 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 marketability is more uncertain. This category also includes “Watch” loans, where the primary source of repayment has been delayed. “Watch” 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 a well-defined weakness or weaknesses that jeopardize(s) 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 of 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 usually are collateral-dependent.

We regularly review our credits for accuracy of risk grades whenever we receive new information. 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 class, origination year and internal risk rating as of June 30, 2021 and December 31, 2020. 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
June 30, 2021	2021		2020		2019		2018		2017		Prior				Total
Commercial and industrial:
Pass	$	137,058	$	129,992	$	20,274	$	10,797	$	3,621	$	35,228	$	82,806	$	419,776
Special Mention	—		—		638		442		101		5		445		1,631
Substandard	—		1,099		369		—		—		—		771		2,239
Total commercial and industrial	$	137,058	$	131,091	$	21,281	$	11,239	$	3,722	$	35,233	$	84,022	$	423,646
Commercial real estate, owner-occupied:
Pass	$	19,776	$	29,440	$	26,861	$	40,403	$	40,695	$	94,071	$	—	$	251,246
Special Mention	—		—		—		2,360		16,419		8,173		—		26,952
Substandard	—		7,148		293		—		—		10,768		—		18,209
Total commercial real estate, owner-occupied	$	19,776	$	36,588	$	27,154	$	42,763	$	57,114	$	113,012	$	—	$	296,407
Commercial real estate, investor-owned:
Pass	$	115,580	$	159,350	$	142,354	$	136,108	$	72,393	$	311,508	$	98	$	937,391
Special Mention	—		—		5,203		5,461		1,803		7,920		—		20,387
Substandard	—		—		2,715		4,422		—		2,420		—		9,557
Total commercial real estate, investor-owned	$	115,580	$	159,350	$	150,272	$	145,991	$	74,196	$	321,848	$	98	$	967,335
Construction:
Pass	$	3,699	$	43,733	$	24,379	$	9,030	$	—	$	—	$	—	$	80,841
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total construction	$	3,699	$	43,733	$	24,379	$	9,030	$	—	$	—	$	—	$	80,841
Home equity:
Pass	$	—	$	—	$	—	$	—	$	—	$	511	$	91,191	$	91,702
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		386		422		808
Total home equity	$	—	$	—	$	—	$	—	$	—	$	897	$	91,613	$	92,510

(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
June 30, 2021	2021		2020		2019		2018		2017		Prior				Total
Other residential:
Pass	$	12,426	$	33,282	$	27,503	$	18,566	$	8,948	$	20,178	$	—	$	120,903
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total other residential	$	12,426	$	33,282	$	27,503	$	18,566	$	8,948	$	20,178	$	—	$	120,903
Installment and other consumer:
Pass	$	3,318	$	2,038	$	3,320	$	2,305	$	1,248	$	7,183	$	1,713	$	21,125
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total installment and other consumer	$	3,318	$	2,038	$	3,320	$	2,305	$	1,248	$	7,183	$	1,713	$	21,125
Total loans:
Pass	$	291,857	$	397,835	$	244,691	$	217,209	$	126,905	$	468,679	$	175,808	$	1,922,984
Total Special Mention	$	—	$	—	$	5,841	$	8,263	$	18,323	$	16,098	$	445	$	48,970
Total Substandard	$	—	$	8,247	$	3,377	$	4,422	$	—	$	13,574	$	1,193	$	30,813
Totals	$	291,857	$	406,082	$	253,909	$	229,894	$	145,228	$	498,351	$	177,446	$	2,002,767

(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
December 31, 2020	2020		2019		2018		2017		2016		Prior				Total
Commercial and industrial:
Pass	$	308,237	$	22,589	$	12,596	$	4,508	$	5,915	$	34,282	$	85,889	$	474,016
Special Mention	—		2,034		1,318		141		11		49		19,092		22,645
Substandard	1,747		—		—		—		—		—		—		1,747
Total commercial and industrial	$	309,984	$	24,623	$	13,914	$	4,649	$	5,926	$	34,331	$	104,981	$	498,408
Commercial real estate, owner-occupied:
Pass	$	31,029	$	27,581	$	32,603	$	43,843	$	12,768	$	101,014	$	—	$	248,838
Special Mention	—		—		11,764		17,062		7,343		6,601		—		42,770
Substandard	7,147		—		—		—		6,208		—		—		13,355
Total commercial real estate, owner-occupied	$	38,176	$	27,581	$	44,367	$	60,905	$	26,319	$	107,615	$	—	$	304,963
Commercial real estate, investor-owned:
Pass	$	162,300	$	144,751	$	173,955	$	100,842	$	94,862	$	253,611	$	117	$	930,438
Special Mention	—		10,695		—		1,819		—		8,124		—		20,638
Substandard	—		2,716		4,435		—		1,553		1,428		—		10,132
Total commercial real estate, investor-owned	$	162,300	$	158,162	$	178,390	$	102,661	$	96,415	$	263,163	$	117	$	961,208
Construction:
Pass	$	31,654	$	30,150	$	11,242	$	—	$	—	$	—	$	—	$	73,046
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total construction	$	31,654	$	30,150	$	11,242	$	—	$	—	$	—	$	—	$	73,046
Home equity:
Pass	$	—	$	—	$	—	$	—	$	128	$	694	$	102,614	$	103,436
Special Mention	—		—		—		—		—		—		799		799
Substandard	—		—		—		—		—		391		187		578
Total home equity	$	—	$	—	$	—	$	—	$	128	$	1,085	$	103,600	$	104,813
Other residential:
Pass	$	34,447	$	31,079	$	23,673	$	10,574	$	6,035	$	17,587	$	—	$	123,395
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total other residential	$	34,447	$	31,079	$	23,673	$	10,574	$	6,035	$	17,587	$	—	$	123,395
Installment and other consumer:
Pass	$	2,361	$	4,382	$	3,483	$	1,543	$	3,423	$	4,921	$	2,593	$	22,706
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		17		—		—		—		17
Total installment and other consumer	$	2,361	$	4,382	$	3,483	$	1,560	$	3,423	$	4,921	$	2,593	$	22,723
Total loans:
Pass	$	570,028	$	260,532	$	257,552	$	161,310	$	123,131	$	412,109	$	191,213	$	1,975,875
Total Special Mention	$	—	$	12,729	$	13,082	$	19,022	$	7,354	$	14,774	$	19,891	$	86,852
Total Substandard	$	8,894	$	2,716	$	4,435	$	17	$	7,761	$	1,819	$	187	$	25,829
Totals	$	578,922	$	275,977	$	275,069	$	180,349	$	138,246	$	428,702	$	211,291	$	2,088,556

The following table shows the amortized cost of loans by class, payment aging and non-accrual status as of June 30, 2021 and December 31, 2020.

Loan Aging Analysis by Class
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor-owned		Construction		Home equity		Other residential		Installment and other consumer		Total
June 30, 2021
30-59 days past due	$	367	$	—	$	—	$	—	$	—	$	—	$	—	$	367
60-89 days past due	—		—		—		—		121		—		—		121
90 days or more past due	—		—		878		—		—		—		—		878
Total past due	367		—		878		—		121		—		—		1,366
Current	423,279		296,407		966,457		80,841		92,389		120,903		21,125		2,001,401
Total loans 1	$	423,646	$	296,407	$	967,335	$	80,841	$	92,510	$	120,903	$	21,125	$	2,002,767
Non-accrual loans 2	$	—	$	7,148	$	1,597	$	—	$	445	$	—	$	—	$	9,190
Non-accrual loans with no allowance	$	—	$	7,148	$	1,597	$	—	$	445	$	—	$	—	$	9,190
December 31, 2020
30-59 days past due	$	—	$	—	$	1,673	$	—	$	274	$	—	$	136	$	2,083
60-89 days past due	—		—		—		—		—		—		622		622
90 days or more past due	—		—		—		—		—		—		—		—
Total past due	—		—		1,673		—		274		—		758		2,705
Current	498,408		304,963		959,535		73,046		104,539		123,395		21,965		2,085,851
Total loans 1	$	498,408	$	304,963	$	961,208	$	73,046	$	104,813	$	123,395	$	22,723	$	2,088,556
Non-accrual loans 2	$	—	$	7,147	$	1,610	$	—	$	459	$	—	$	17	$	9,233
Non-accrual loans with no allowance	$	—	$	7,147	$	1,610	$	—	$	459	$	—	$	17	$	9,233

1 There were no loans past due more than ninety days accruing interest at June 30, 2021 or December 31, 2020.

2 None of the non-accrual loans as of June 30, 2021 or December 31, 2020 were earning interest on a cash basis. We recognized no interest income on non-accrual loans for the three and six months ended June 30, 2021 and 2020. There were no new loans placed on non-accrual status during the six months ended June 30, 2021. Accrued interest of $20 thousand was reversed from interest income for loans that were placed on non-accrual status during the six months ended June 30, 2020.

Collateral Dependent Loans

The following table presents the amortized cost basis of individually analyzed collateral-dependent non-accrual loans by class at June 30, 2021 and December 31, 2020.

	Amortized Cost by Collateral Type
(in thousands)	Commercial Real Estate		Residential Real Estate		Other		Total		Allowance for Credit Losses
June 30, 2021
Commercial real estate, owner-occupied	$	7,148	$	—	$	—	$	7,148	$	—
Commercial real estate, investor-owned	1,597		—		—		1,597		—
Home equity	—		445		—		445		—
Total	$	8,745	$	445	$	—	$	9,190	$	—
December 31, 2020
Commercial real estate, owner-occupied	$	7,147	$	—	$	—	$	7,147	$	—
Commercial real estate, investor-owned	1,610		—		—		1,610		—
Home equity	—		459		—		459		—
Installment and other consumer	—		—		17		17		—
Total	$	8,757	$	459	$	17	$	9,233	$	—

No collateral-dependent loans were in process of foreclosure at June 30, 2021 or December 31, 2020. In addition, the weighted average loan-to-value of collateral dependent loans was approximately 58.7% at June 30, 2021 and 59.2% at December 31, 2020.

Troubled Debt Restructuring

Our loan portfolio includes certain loans modified in a troubled debt restructuring (“TDR”), where we have granted economic concessions to borrowers experiencing financial difficulties. These concessions typically result from our loss mitigation activities and could include reductions in the interest rate, payment extensions, forgiveness of principal, forbearance or other actions. TDRs on non-accrual status at the time of restructure may be returned to accruing status after management considers the borrower’s sustained repayment performance for a reasonable period, generally nine months, and obtains reasonable assurance of repayment and performance.

We may remove a loan from TDR designation if it meets all of the following conditions:

•The loan is subsequently refinanced or restructured at current market interest rates and the new terms are consistent with the treatment of creditworthy borrowers under regular underwriting standards;

•The borrower is no longer considered to be in financial difficulty;

•Performance on the loan is reasonably assured; and

•Existing loan did not have any forgiveness of principal or interest.

There were no loans removed from TDR designation during the six months ended June 30, 2021 and 2020.

In accordance with section 4013 of the CARES Act, subsequently amended by section 541 of the Economic Aid Act, we elected to apply the temporary accounting relief provisions for loan modifications that met certain criteria, which would otherwise be designated TDRs under existing GAAP. As of June 30, 2021, 7 borrowing relationships with 12 loans totaling $49.8 million were continuing to benefit from payment relief. Subsequent to quarter end and prior to the filing of this report, one relationship with three loans totaling $6.4 million transitioned out of the payment relief program and resumed normal contractual payments. The weighted average loan-to-value ratio of the remaining payment relief loans was approximately 41%. We accrue and recognize interest income on loans under payment relief based on the original contractual interest rates. When payments resume at the end of the relief period, the payments will generally be applied to accrued interest due until accrued interest is fully paid.

The following table summarizes the carrying amount of TDR loans by loan class as of June 30, 2021 and December 31, 2020.

(in thousands)
Recorded Investment in Troubled Debt Restructurings 1	June 30, 2021		December 31, 2020
Commercial and industrial	$	821	$	1,021
Commercial real estate, owner-occupied	7,148		7,147
Commercial real estate, investor-owned	1,729		3,305
Home equity	276		281
Installment and other consumer	745		752
Total	$	10,719	$	12,506

1TDR loans on non-accrual status totaled $7.4 million at both June 30, 2021 and December 31, 2020. Unfunded commitments for TDR loans totaled $845 thousand as of June 30, 2021

The following table presents information for loans modified in a TDR during the presented periods, including the number of modified contracts, the recorded investment in the loans prior to modification, and the recorded investment in the loans at period end after being restructured. The table excludes fully charged-off TDR loans and loans modified in a TDR and subsequently paid-off during the years presented, if applicable.

(dollars in thousands)	Number of Contracts Modified	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment at Period End
TDRs during the three months ended June 30, 2021:
None	—	$	—	$	—	$	—
TDRs during the three months ended June 30, 2020:
Home equity	1	$	276	$	276	$	276
Installment and other consumer	1	108		108		108
Total	2	$	384	$	384	$	384

TDRs during the six months ended June 30, 2021:
None	—	$	—	$	—	$	—
TDRs during the six months ended June 30, 2020:
Commercial and industrial	1	$	170	$	162	$	144
Home equity	1	276		276		276
Installment and other consumer	3	211		211		210
Total	5	$	657	$	649	$	630

The loans modified in 2020 reflected debt consolidation, interest rate concessions, and/or other loan term and payment modifications. During the six months ended June 30, 2021 and 2020, there were no defaults on loans that had been modified in a TDR within the prior twelve-month period. We report defaulted TDRs based on a payment default definition of more than ninety days past due.

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

Allowance for Credit Losses on Loans Rollforward
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor-owned		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
Three months ended June 30, 2021
Beginning balance	$	1,654	$	2,304	$	10,856	$	1,312	$	520	$	757	$	255	$	2,300	$	19,958
Provision (reversal) - CECL	(68)		(267)		(95)		(178)		(158)		(144)		(17)		7		(920)
Charge-offs	—		—		—		—		—		—		—		—		—
Recoveries	4		—		—		8		50		—		—		—		62
Ending balance	$	1,590	$	2,037	$	10,761	$	1,142	$	412	$	613	$	238	$	2,307	$	19,100
Three months ended June 30, 2020
Beginning balance	$	2,784	$	2,797	$	9,225	$	727	$	982	$	1,098	$	363	$	908	$	18,884
Provision - incurred loss	(159)		113		1,178		109		62		168		63		466		2,000
Charge-offs	(20)		—		—		—		—		—		—		—		(20)
Recoveries	4		—		—		—		—		—		—		—		4
Ending balance	$	2,609	$	2,910	$	10,403	$	836	$	1,044	$	1,266	$	426	$	1,374	$	20,868

Allowance for Credit Losses on Loans Rollforward
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
Six months ended June 30, 2021
Beginning balance	$	2,530	$	2,778	$	12,682	$	1,557	$	738	$	998	$	291	$	1,300	$	22,874
Provision (reversal) - CECL	(947)		(741)		(1,921)		(433)		(376)		(385)		(53)		1,007		(3,849)
Charge-offs	—		—		—		—		—		—		—		—		—
Recoveries	7		—		—		18		50		—		—		—		75
Ending balance	$	1,590	$	2,037	$	10,761	$	1,142	$	412	$	613	$	238	$	2,307	$	19,100
Six months ended June 30, 2020
Beginning balance	$	2,334	$	2,462	$	8,483	$	638	$	850	$	973	$	284	$	653	$	16,677
Provision - incurred loss	287		448		1,920		195		194		293		142		721		4,200
Charge-offs	(20)		—		—		—		—		—		—		—		(20)
Recoveries	8		—		—		3		—		—		—		—		11
Ending balance	$	2,609	$	2,910	$	10,403	$	836	$	1,044	$	1,266	$	426	$	1,374	$	20,868

We adopted the CECL accounting standard on December 31, 2020, which we had previously postponed under the optional accounting relief provisions of the CARES Act passed in March 2020 to the earlier of the end of the national emergency or December 31, 2020. During the first six months of 2020, we applied the incurred loss method under previous GAAP in determining the allowance for credit losses on loans.

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 $1.092 billion and $1.165 billion at June 30, 2021 and December 31, 2020, respectively. In addition, we pledge eligible TIC loans, which totaled $113.0 million and $113.6 million at June 30, 2021 and December 31, 2020, respectively, to secure our borrowing capacity with the Federal Reserve Bank ("FRB"). Also, see Note 6, 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 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. Related party loans totaled $5.3 million at

June 30, 2021 and $6.4 million at December 31, 2020. In addition, undisbursed commitments to related parties totaled $9.1 million at June 30, 2021 and December 31, 2020.

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Borrowings and Other Obligations

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Borrowings and Other Obligations

Borrowings and Other Obligations

Federal Funds Purchased – The Bank had unsecured available lines of credit with correspondent banks for overnight borrowings totaling $115.0 million at June 30, 2021 and $135.0 million at December 31, 2020.  In general, interest rates on these lines approximate the federal funds target rate. We had no overnight borrowings under these credit facilities at June 30, 2021 or December 31, 2020.

Federal Home Loan Bank Borrowings – As of June 30, 2021 and December 31, 2020, the Bank had available lines of credit with the FHLB totaling $629.9 million and $642.5 million, respectively, based on eligible collateral of certain loans. There were no FHLB overnight borrowings at June 30, 2021 or December 31, 2020.

Federal Reserve Line of Credit – The Bank has an available line of credit with the FRBSF secured by certain residential loans.  At June 30, 2021 and December 31, 2020, the Bank had borrowing capacity under this line totaling $77.6 million and $78.7 million, respectively, and had no outstanding borrowings with the FRBSF.

Subordinated Debenture – As part of an acquisition in 2013, Bancorp assumed a subordinated debenture with a contractual balance of $4.1 million due to NorCal Community Bancorp Trust II (the "Trust"), established for the sole purpose of issuing trust preferred securities. On March 15, 2021, Bancorp redeemed in full the $2.8 million (book value) subordinated debenture due to the Trust, which had an effective interest rate of 6.5% for the first six months of 2020. The higher effective rate for the first six months of 2021 included accelerated accretion of the $1.3 million remaining purchase discount due to the early redemption. Accretion was $17 thousand and $35 thousand for the three and six months ended June 30, 2020, respectively.

Other Obligations – Finance lease liabilities totaling $438 thousand and $58 thousand at June 30, 2021 and December 31, 2020, respectively, are included in borrowings and other obligations in the consolidated statements of condition. See Note 8, Commitments and Contingencies, for additional information.

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Stockholders' Equity

6 Months Ended

Jun. 30, 2021

Equity [Abstract]

Stockholders' Equity

Stockholders' Equity

Dividends

On July 16, 2021, Bancorp declared a $0.24 per share cash dividend, payable on August 6, 2021 to shareholders of record at the close of business on July 30, 2021.

Share-Based Payments

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 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. Beginning in 2018, stock option 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.

Performance-based stock awards (restricted stock) are issued to a selected group of employees. 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 achieved 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.

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 with a corresponding decrease (increase) to current taxes payable.

The holders of unvested restricted stock awards are entitled to dividends on 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 with a corresponding decrease to current taxes payable. Dividends on forfeited awards are included in stock-based compensation expense.

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. During the six months ended June 30, 2021, we withheld 27,547 shares totaling $1.1 million at a weighted-average price of $38.87 for cashless exercises. During the six months ended June 30, 2020, we withheld 8,409 shares totaling $346 thousand at a weighted-average price of $41.17 for cashless exercises. Shares withheld under net settlement arrangements are available for future grants.

Share Repurchase Program

On April 23, 2018, Bancorp announced that its Board of Directors approved a share repurchase program under which Bancorp may repurchase up to $25.0 million of its outstanding common stock through May 1, 2019. Bancorp's Board of Directors subsequently extended the share repurchase program through February 28, 2020. After expiration of this share repurchase program, a new share repurchase program began on March 5, 2020. This new program was approved on January 24, 2020 by Bancorp Board of Directors, allowing Bancorp to repurchase up to $25.0 million of its outstanding common stock through February 28, 2022. The share repurchase program, which began on March 5, 2020, was suspended by the Board of Directors on March 20, 2020 in response to the COVID-19 pandemic. The program was reactivated by the Board of Directors on October 23, 2020 and completed in May 2021 upon depletion of repurchase funds. A new share repurchase program was approved by Bancorp Board of Directors on July 16, 2021 under which Bancorp may repurchase up to $25.0 million of its outstanding common stock through July 31, 2023.

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.

During the six months ended June 30, 2021, Bancorp repurchased 521,948 shares totaling $19.3 million for a cumulative 691,519 shares amounting to $25.0 million under the $25.0 million share repurchase program that was approved by the Board of Directors on January 24, 2020.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

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)	June 30, 2021		December 31, 2020
Commercial lines of credit	$	282,611	$	287,533
Revolving home equity lines	201,986		189,035
Undisbursed construction loans	73,757		41,033
Personal and other lines of credit	10,185		9,567
Standby letters of credit	3,167		1,964
Total commitments and standby letters of credit	$	571,706	$	529,132

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 $1.6 million and $2.8 million as of June 30, 2021 and December 31, 2020, respectively, which is recorded in interest payable and other liabilities in the consolidated statements of condition. We adopted the CECL accounting standard on December 31, 2020. We applied the incurred loss method under previous GAAP in determining the allowance for credit losses on unfunded commitments for the three and six month periods ended June 30, 2020. We recorded reversals of the allowance for credit losses on unfunded commitments totaling $612 thousand and $1.2 million for the three and six month periods ended June 30, 2021, respectively. This compares to provisions for credit losses on unfunded commitments for the three and six month periods ended June 30, 2020 totaling $260 thousand and $362 thousand, respectively. In the current period, we reclassified the provision for credit losses on unfunded commitments from non-interest expense to a separate line item under the provision for credit losses on loans in the consolidated statements of comprehensive income.

Leases

We lease premises under long-term non-cancelable operating leases with remaining terms of 1 year to 11 years, 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 3 years to 4 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.

(in thousands)	June 30, 2021		December 31, 2020
Operating leases:
Operating lease right-of-use assets	$	23,506	$	25,612
Operating lease liabilities	$	24,919	$	27,062
Finance leases:
Finance lease right-of-use assets	$	473	$	365
Accumulated amortization	(37)		(307)
Finance lease right-of-use assets, net1	$	436	$	58
Finance lease liabilities2	$	438	$	58
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 period presented.

	Six months ended
(in thousands)	June 30, 2021		June 30, 2020
Right-of-use assets obtained in exchange for operating lease liabilities	$	—	$	14,030
Right-of-use assets obtained in exchange for finance lease liabilities	$	412	$	18

The following table shows components of operating and finance lease cost.

	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Operating lease cost	$	1,164	$	1,114	$	2,328	$	2,169
Variable lease cost	—		2		—		3
Total operating lease cost1	$	1,164	$	1,116	$	2,328	$	2,172
Finance lease cost:
Amortization of right-of-use assets2	$	7	$	44	$	34	$	88
Interest on finance lease liabilities3	—		1		—		$	2
Total finance lease cost	7		45		$	34	$	90
Total lease cost	$	1,171	$	1,161	$	2,362	$	2,262
1 Included in occupancy and equipment expense in the consolidated statements of comprehensive income.
2 Included in depreciation and amortization in the consolidated statements of comprehensive income.
3 Included in interest on borrowings and other obligations in the consolidated statements of comprehensive income.

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 June 30, 2021. 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 later of the date we adopted the new lease accounting standards or lease commencement date.

(in thousands)	June 30, 2021
Year	Operating Leases			Finance Leases
2021	$	2,246		$	52
2022	4,424			118
2023	4,004			108
2024	3,300			104
2025	2,876			61
Thereafter	9,867			—
Total minimum lease payments	26,717			443
Amounts representing interest (present value discount)	(1,798)			(5)
Present value of net minimum lease payments (lease liability)	$	24,919		$	438
Weighted average remaining term (in years)	7.5			4.0
Weighted average discount rate	1.79		%	0.66		%

Litigation Matters

Bancorp may be party 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"). 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. Visa established an escrow account to pay for settlements or judgments in the Covered Litigation. Under the terms of the U.S. retrospective responsibility plan, when Visa funds the litigation escrow account, it triggers a conversion rate reduction of the Class B common stock

to shares of Class A common stock, effectively reducing the aggregate value of the Class B common stock held by Visa's member banks like us.

In 2012, Visa had reached a $4.0 billion interchange multidistrict litigation class settlement agreement with plaintiffs representing a class of U.S. retailers. The escrow balance of $894 million as of June 30, 2021, combined with funds previously deposited with the court, are expected to cover the settlement payment obligations.

The outcome of the Covered Litigation affects the conversion rate of Visa Class B common stock held by us to Visa Class A common stock, as discussed above and in Note 4, Investment Securities. The final conversion rate is subject to change depending on the final settlement payments, and the full effect on member banks is still uncertain. 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.

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Derivative Financial Instruments and Hedging Activities

6 Months Ended

Jun. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments and Hedging Activities

Derivative Financial Instruments and Hedging Activities

We entered into interest rate swap agreements, primarily as an asset/liability management strategy, in order to mitigate the changes in the fair value of specified long-term fixed-rate loans (or firm commitments to enter into long-term fixed-rate loans) caused by changes in interest rates. These hedges allow 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 LIBOR index, protects us against changes in the fair value of our loans associated with fluctuating interest rates.

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.

As of June 30, 2021, we had four interest rate swap agreements, which are scheduled to mature in June 2031, October 2031, July 2032, and October 2037. All of our derivatives are accounted for as fair value hedges. The notional amounts of the interest rate contracts are equal to the notional amounts of the hedged loans. Our interest rate swap payments are settled monthly with counterparties. Accrued interest on the swaps totaled $10 thousand at June 30, 2021 and $11 thousand at December 31, 2020. Information on our derivatives follows:

	Asset Derivatives				Liability Derivatives
(in thousands)	June 30, 2021		December 31, 2020		June 30, 2021		December 31, 2020
Fair value hedges:
Interest rate contracts notional amount	$	—	$	—	$	13,518	$	13,991
Interest rate contracts fair value1	$	—	$	—	$	1,363	$	1,912

1 See Note 3, 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 June 30, 2021 and December 31, 2020.

	Carrying Amounts of Hedged Assets				Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Loans
(in thousands)	June 30, 2021		December 31, 2020		June 30, 2021		December 31, 2020
Loans	$	14,734	$	15,745	$	1,216	$	1,753

The following table presents the net losses recognized in interest income on loans on the consolidated statements of comprehensive income related to our derivatives designated as fair value hedges.

	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Interest and fees on loans 1	$	21,429	$	21,217	$	42,090	$	42,104
(Decrease) increase in fair value of designated interest rate swaps due to LIBOR interest rate movements	$	(170)	$	(63)	$	549	$	(1,504)
Payment on interest rate swaps	(93)		(96)		(185)		(146)
Increase (decrease) in fair value hedging adjustment of hedged loans	177		59		(537)		1,529
Decrease in value of yield maintenance agreement	(2)		(3)		(6)		(6)
Net losses on fair value hedging relationships recognized in interest income	$	(88)	$	(103)	$	(179)	$	(127)

1 Represents the income line item in the statement of comprehensive income in which the effects of fair value hedges are recorded.

Our derivative transactions with counterparties are under International Swaps and Derivative Association (“ISDA”) master agreements that include “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 of

Gross Amounts Not Offset in

Gross Amounts

Offset in the

Assets Presented

the Statements of Condition

of Recognized

Statements of

in the Statements

Financial

Cash Collateral

(in thousands)

Assets

Condition

of Condition

Instruments

Received

Net Amount

June 30, 2021

Derivatives by Counterparty:

Counterparty A

$

—

$

—

$

—

$

—

$

—

$

—

December 31, 2020

Derivatives by Counterparty:

Counterparty A

$

—

$

—

$

—

$

—

$

—

$

—

Offsetting of Financial Liabilities and Derivative Liabilities
			Gross Amounts		Net Amounts of		Gross Amounts Not Offset in
	Gross Amounts		Offset in the		Liabilities Presented		the Statements of Condition
	of Recognized		Statements of		in the Statements		Financial		Cash Collateral
(in thousands)	Liabilities1		Condition		of Condition1		Instruments		Pledged		Net Amount
June 30, 2021
Derivatives by Counterparty:
Counterparty A	$	1,363	$	—	$	1,363	$	—	$	(1,363)	$	—
December 31, 2020
Derivatives by Counterparty:
Counterparty A	$	1,912	$	—	$	1,912	$	—	$	(1,912)	$	—

1 Amounts exclude accrued interest on swaps.

For more information on how we account for our interest rate swaps, refer to Note 1 to the Consolidated Financial Statements included in our 2020 Form 10-K filed with the SEC on March 15, 2021.

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Merger Agreement	6 Months Ended
	Jun. 30, 2021
Business Combination and Asset Acquisition [Abstract]
Mergers Agreement	Merger AgreementOn April 16, 2021, Bancorp entered into a definitive agreement to acquire American River Bankshares ("AMRB"), parent company of American River Bank ("ARB"), whereby AMRB will merge with and into Bancorp and immediately thereafter ARB will merge with and into Bank of Marin (collectively, the "Merger"). The acquisition will expand Bank of Marin's presence throughout the Greater Sacramento, Amador and Sonoma County Regions where ARB has ten branches. Under the terms of the merger agreement, AMRB shareholders will receive a fixed exchange ratio of 0.575 shares of Bancorp's common stock for each share of AMRB's common stock outstanding upon consummation of the Merger. AMRB had total assets of $906.1 million, total deposits of $787.7 million, and total loans of $434.2 million as of June 30, 2021. These amounts are subject to fair value adjustments upon the close of the Merger. The merger has been approved by the Boards of Directors of each company, all applicable regulatory agencies and shareholders of AMRB and BMRC. The Merger is expected to close on August 6, 2021

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Basis of Presentation - (Policies)

6 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

The consolidated financial statements include the accounts of Bank of Marin Bancorp (“Bancorp”), a bank holding company, and its wholly-owned bank subsidiary, Bank of Marin (the “Bank”), a California state-chartered commercial bank. References to “we,” “our,” “us” mean Bancorp and the Bank that are consolidated for financial reporting purposes. The accompanying unaudited consolidated interim financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and note disclosures normally included in annual financial statements prepared in accordance with U.S. generally accepted accounting principles ("GAAP") have been condensed or omitted pursuant to those rules and regulations. Certain items in prior financial statements were reclassified to conform to the current presentation, including the reclassification of the provision for credit losses on unfunded commitments in the second quarter of 2021 from non-interest expense to a separate line item under the provision for credit losses on loans in the consolidated statements of comprehensive income.

Although we believe that the disclosures are adequate and the information presented is not misleading, we suggest that these interim financial statements be read in conjunction with the annual financial statements and the notes thereto included in our 2020 Annual Report on Form 10-K.  In the opinion of management, the unaudited consolidated financial statements reflect all adjustments, which are necessary for a fair presentation of the consolidated financial position, the results of operations, changes in comprehensive income, changes in stockholders’ equity, and cash flows for the periods presented. All material intercompany transactions have been eliminated. The results of these interim periods may not be indicative of the results for the full year or for any other period.

The NorCal Community Bancorp Trust II (the "Trust") was formed for the sole purpose of issuing trust preferred securities. Bancorp is not considered the primary beneficiary of the Trust (a variable interest entity), therefore the Trust is not consolidated in our consolidated financial statements, but rather the subordinated debenture is shown as a liability on our consolidated statements of condition. Bancorp's investment in the securities of the Trust is accounted for under the equity method and is included in interest receivable and other assets on the consolidated statements of condition. Refer to Note 6, Borrowings, for additional information on the subordinated debenture due to NorCal Community Bancorp Trust II and the early redemption that occurred on March 15, 2021.

Earnings Per Share

Basic earnings per share (“EPS”) are calculated by dividing net income by the weighted average number of common shares outstanding during each 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 the quarterly diluted EPS is computed using the average market prices during the three months included in the reporting period under the treasury stock method. 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 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.

Recently Adopted and Issued Accounting Standards

Accounting Standards Adopted in 2021

In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (ASC Topic 740): Simplifying the Accounting for Income Taxes. This ASU is intended to reduce the cost and complexity related to accounting for income taxes by removing certain exceptions to the guidance in ASC 740 related to the approach for intraperiod tax allocation, the methodology for calculating income taxes in an interim period and simplifying aspects of the accounting for franchise taxes and enacted changes in tax laws or rates. We adopted this ASU prospectively on January 1, 2021, which did not have a material impact on our financial condition or results of operations.

In January 2020, the FASB issued ASU No. 2020-01, Investments - Equity Securities (ASC Topic 321), Investments - Equity Method and Joint Ventures (ASC Topic 323), and Derivatives and Hedging (ASC Topic 815) - Clarifying the Interactions between ASC 321, ASC 323, and ASC 815. Among other things, this ASU clarifies that a company should consider observable transactions that require a company to either apply or discontinue the equity method of accounting under ASC 323, for the purposes of applying the measurement alternative in accordance with ASC 321. We adopted this ASU prospectively on January 1, 2021, which did not have a material impact on our financial condition or results of operations.

In October 2020, the FASB issued ASU No. 2020-08, Codification Improvements to Subtopic 310-20, Receivables—Nonrefundable Fees and Other Costs. This ASU was issued as part of the Board's ongoing project to improve codification or correct unintended application. This ASU adds clarification to ASU 2017-08, which the Bank early-adopted in 2017, and delineates whether an entity with callable debt securities that have multiple call dates should amortize the amount above that which is repayable, to the next call date. We adopted this ASU prospectively on January 1, 2021. Because this ASU was narrow in scope and for clarification purposes, it did not have a material impact on our financial condition and results of operations.

Accounting Standards Not Yet Effective

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848). The amendments in this ASU are elective and provide optional guidance for a limited period of time to ease the potential burden of accounting for, or recognizing the effects of reference rate reform. The amendments in this ASU provide optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The amendments in this ASU may be elected as of March 12, 2020 through December 31, 2022. An entity may choose to elect the amendments in this update at an interim period subsequent to March 12, 2020 with adoption methods varying based on transaction type. We have not elected to apply amendments at this time, however, will assess the applicability of this ASU to us as we continue to monitor guidance for reference rate reform from FASB and its impact on our financial condition and results of operations.

In January 2021, the FASB issued ASU No. 2021-01, Reference Rate Reform (Topic 848). The main amendments in this ASU are intended to clarify certain optional expedients and scope of derivative instruments. The amendments are elective and effective immediately upon issuance of this ASU. Amendments may be elected through December 31, 2022. We have not elected to apply amendments at this time, however, will assess the applicability of this ASU to us as we continue to monitor guidance for reference rate reform from FASB and its impact on our financial condition and results of operations.

Fair Value Hierarchy and Fair Value Measurement

We group our assets and liabilities that are measured at fair value in 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.

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. 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 obligations of state and political subdivisions, U.S. agencies or government-sponsored agencies' debt securities, mortgage-backed securities, government agency-issued, privately-issued collateralized mortgage obligations, and corporate bonds.Held-to-maturity securities may be written down to fair value as a result of impairment through a provision for credit losses in investments 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. Level 2 inputs for the valuations are limited to observable market prices for London Interbank Offered Rate ("LIBOR") and Overnight Index Swap ("OIS") rates (for the very short term), quoted prices for LIBOR futures contracts, observable market prices for LIBOR and OIS swap rates, and one-month and three-month LIBOR basis spreads at commonly quoted intervals.  Mid-market pricing of the inputs is used as a practical expedient in the 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 LIBOR for the closest maturity term corresponding to the duration of the swaps to derive the CVA. A similar credit risk adjustment, correlated to the credit standing of the counterparty, is made when collateral posted by the counterparty does not fully cover their liability to us. For further discussion on our methodology in 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 impaired loans that are collateral dependent and other real estate owned ("OREO").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 not reflect actual or prospective market valuations. The

discounted cash flow valuation approach reflects key inputs and assumptions such as loan probability of default, loss given default, prepayment speed, and market discount rates.

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

Fair value of the subordinated debenture is estimated using a discounted cash flow approach based on current interest rates for similar financial instruments adjusted for credit and liquidity spreads.

The value of unrecognized 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.

Finance, Loan and Lease Receivables, Held-for-investment, Allowance and Nonperforming Loans

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 resultant decreased consumer and/or business spending, may have an effect on the credit quality of commercial loans.

In April 2020, the Bank began participating in the Small Business Administration's ("SBA") Paycheck Protection Program ("PPP"). As of June 30, 2021, there were 1,532 PPP loans outstanding. PPP loans totaling $248.3 million (net of $6.5 million in unrecognized fees and costs) and $291.6 million (net of $5.4 million in unrecognized fees and costs) as of June 30, 2021 and December 31, 2020, respectively, were included in commercial and industrial loan balances. Of the 1,532 PPP loans outstanding as of June 30, 2021, 1,060 loans totaling $136.0 million were funded during the first half of 2021 under the second round of the PPP stimulus plan. PPP loans have terms of two to five years and earn interest at 1%. In addition, the SBA paid the Bank a fee of 1%-5% depending on the loan amount, which was netted with loan origination costs and accreted/amortized into interest income using the effective yield method over the contractual life of each loan. The recognition of fees and costs is accelerated when the SBA forgives the loan and/or the loan is paid off prior to maturity. PPP loans are fully guaranteed by the SBA and have virtually no risk of loss. We expect the vast majority of the PPP loans to be fully forgiven by the SBA.

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 and to be 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 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 the commercial real estate projects. As such, we have generally experienced a relatively low level of loss 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 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 and floating homes 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 marketability is more uncertain. This category also includes “Watch” loans, where the primary source of repayment has been delayed. “Watch” 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 a well-defined weakness or weaknesses that jeopardize(s) 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 of 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 usually are collateral-dependent.

We regularly review our credits for accuracy of risk grades whenever we receive new information. 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.

Troubled Debt Restructuring

Our loan portfolio includes certain loans modified in a troubled debt restructuring (“TDR”), where we have granted economic concessions to borrowers experiencing financial difficulties. These concessions typically result from our loss mitigation activities and could include reductions in the interest rate, payment extensions, forgiveness of principal, forbearance or other actions. TDRs on non-accrual status at the time of restructure may be returned to accruing status after management considers the borrower’s sustained repayment performance for a reasonable period, generally nine months, and obtains reasonable assurance of repayment and performance.

We may remove a loan from TDR designation if it meets all of the following conditions:

•The loan is subsequently refinanced or restructured at current market interest rates and the new terms are consistent with the treatment of creditworthy borrowers under regular underwriting standards;

•The borrower is no longer considered to be in financial difficulty;

•Performance on the loan is reasonably assured; and

•Existing loan did not have any forgiveness of principal or interest.

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Basis of Presentation - (Tables)

6 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

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 earnings per share (“EPS”) are calculated by dividing net income by the weighted average number of common shares outstanding during each 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 the quarterly diluted EPS is computed using the average market prices during the three months included in the reporting period under the treasury stock method. 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 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.

	Three months ended				Six months ended
(in thousands, except per share data)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Weighted average basic common shares outstanding	13,092		13,514		13,227		13,519
Potentially dilutive common shares related to:
Stock options	54		54		67		80
Unvested restricted stock awards	18		17		22		22
Weighted average diluted shares outstanding	13,164		13,585		13,316		13,621
Net income	$	9,285	$	7,406	$	18,232	$	14,634
Basic EPS	$	0.71	$	0.55	$	1.38	$	1.08
Diluted EPS	$	0.71	$	0.55	$	1.37	$	1.07
Weighted average anti-dilutive common shares not included in the calculation of diluted EPS	111		207		88		109

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Fair Value of Assets and Liabilities - (Tables)

6 Months Ended

Jun. 30, 2021

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
June 30, 2021
Securities available-for-sale:
Mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	284,783	$	—	$	284,783	$	—	OCI
SBA-backed securities	29,460		—		29,460		—		OCI
Debentures of government sponsored agencies	74,711		—		74,711		—		OCI
Obligations of state and political subdivisions	123,224		—		123,224		—		OCI
Corporate bonds	5,785		—		5,785		—		OCI
Derivative financial liabilities (interest rate contracts)	1,363		—		1,363		—		NI
December 31, 2020
Securities available-for-sale:
Mortgage-backed securities and collateralized mortgage obligations issued by U.S. government-sponsored agencies	$	228,651	$	—	$	228,651	$	—	OCI
SBA-backed securities	32,862		—		36,286		—		OCI
Debentures of government sponsored agencies	20,186		—		20,186		—		OCI
Obligations of state and political subdivisions	110,652		—		110,652		—		OCI
Derivative financial liabilities (interest rate contracts)	1,912		—		1,912		—		NI

 1 Other comprehensive income ("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 June 30, 2021 and December 31, 2020, 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") and non-maturity deposit liabilities. Additionally, we held shares of Federal Home Loan Bank ("FHLB") of San Francisco stock and Visa Inc. Class B common stock, both recorded 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 as of June 30, 2021 or December 31, 2020. The values are discussed in Note 4, Investment Securities.

	June 30, 2021					December 31, 2020
(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	$	257,543	$	257,543	Level 1	$	200,320	$	200,320	Level 1
Investment securities held-to-maturity	169,038		174,138		Level 2	109,036		115,185		Level 2
Loans, net	2,002,767		1,993,373		Level 3	2,065,682		2,089,192		Level 3
Interest receivable	10,160		10,160		Level 2	10,922		10,922		Level 2
Financial liabilities (recorded at amortized cost)
Time deposits	95,350		95,572		Level 2	97,433		97,769		Level 2
Subordinated debenture	—		—		Level 3	2,777		3,115		Level 3
Interest payable	53		53		Level 2	97		97		Level 2

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Investment Securities - (Tables)

6 Months Ended

Jun. 30, 2021

Investments, Debt and Equity Securities [Abstract]

Summary 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 June 30, 2021 and December 31, 2020 is presented below.

Held-to-maturity:	Amortized Cost 1		Allowance for Credit Losses		Net Carrying Amount		Gross Unrealized				Fair Value
(in thousands)							Gains		(Losses)
June 30, 2021
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	74,115	$	—	$	74,115	$	3,247	$	—	$	77,362
CMOs issued by FHLMC	38,641		—		38,641		1,142		(38)		39,745
CMOs issued by FNMA	6,274		—		6,274		265		—		6,539
SBA-backed securities	5,697		—		5,697		361		—		6,058
Debentures of government-sponsored agencies	43,731		—		43,731		115		—		43,846
Obligations of state and political subdivisions	580		—		580		8		—		588
Total held-to-maturity	$	169,038	$	—	$	169,038	$	5,138	$	(38)	$	174,138
December 31, 2020
Corporate bonds	$	—	$	—	$	—	$	—	$	—	$	—
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	65,579	$	—	$	65,579	$	3,924	$	—	$	69,503
CMOs issued by FHLMC	27,201		—		27,201		1,441		—		28,642
CMOs issued by FNMA	8,042		—		8,042		363		—		8,405
SBA-backed securities	6,547		—		6,547		400		—		6,947
Obligations of state and political subdivisions	1,667		—		1,667		21		—		1,688
Total held-to-maturity	$	109,036	$	—	$	109,036	$	6,149	$	—	$	115,185
1 Amortized cost and fair values exclude accrued interest receivable of $550 thousand and $366 thousand at June 30, 2021 and December 31, 2020, 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 by Moody's and/or Standard & Poor's bond ratings as of June 30, 2021.

	Obligations of state and political subdivisions
(in thousands)	June 30, 2021		December 31, 2020
AA	$	376	$	1,461
A	204		206
Total	$	580	$	1,667

Summary 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 June 30, 2021 and December 31, 2020 is presented below.

Available-for-sale:	Amortized Cost 1		Gross Unrealized				Allowance for Credit Losses		Fair Value
(in thousands)			Gains		(Losses)
June 30, 2021
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	57,653	$	1,867	$	—	$	—	$	59,520
CMOs issued by FHLMC	160,949		5,573		(436)		—		166,086
CMOs issued by FNMA	36,636		428		—		—		37,064
CMOs issued by GNMA	21,855		258		—		—		22,113
SBA-backed securities	27,938		1,568		(46)		—		29,460
Debentures of government- sponsored agencies	76,321		128		(1,738)		—		74,711
Obligations of state and political subdivisions	117,595		5,694		(65)		—		123,224
Corporate bonds	5,987		—		(202)		—		5,785
Total available-for-sale	$	504,934	$	15,516	$	(2,487)	$	—	$	517,963
December 31, 2020
Securities of U.S. government-sponsored enterprises:
MBS pass-through securities issued by FHLMC and FNMA	$	50,686	$	2,530	$	—	$	—	$	53,216
CMOs issued by FHLMC	143,267		7,925		(1)		—		151,191
CMOs issued by FNMA	16,450		580		—		—		17,030
CMOs issued by GNMA	6,863		351		—		—		7,214
SBA-backed securities	30,941		1,976		(55)		—		32,862
Debentures of government- sponsored agencies	19,944		266		(24)		—		20,186
Obligations of state and political subdivisions	104,887		5,765		—		—		110,652
Total available-for-sale	$	373,038	$	19,393	$	(80)	$	—	$	392,351
1 Amortized cost and fair value exclude accrued interest receivable of $2.4 million and $1.9 million June 30, 2021 and December 31, 2020, which is included in interest receivable and other assets in the consolidated statements of condition.

Investments Classified by Contractual Maturity Date

The amortized cost and fair value of investment debt securities by contractual maturity at June 30, 2021 and December 31, 2020 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.

	June 30, 2021								December 31, 2020
	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	$	245	$	246	$	14,263	$	14,403	$	246	$	250	$	11,530	$	11,687
After one but within five years	20,203		21,184		53,194		55,835		7,550		7,961		59,028		62,397
After five years through ten years	58,465		60,963		183,706		189,492		52,113		55,872		144,908		154,089
After ten years	90,125		91,745		253,771		258,233		49,127		51,102		157,572		164,178
Total	$	169,038	$	174,138	$	504,934	$	517,963	$	109,036	$	115,185	$	373,038	$	392,351

Sale of Investment Securities and Gross Gains and Losses

Sales of investment securities and gross gains and losses are shown in the following table:

	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Available-for-sale:
Sales proceeds	$	—	$	6,314	$	—	$	33,756
Gross realized gains	—		116		—		916
Gross realized losses	—		(1)		—		(1)

Schedule of Financial Instruments Owned and Pledged as Collateral

Pledged investment securities are shown in the following table:

(in thousands)	June 30, 2021		December 31, 2020
Pledged to the State of California:
Secure public deposits in compliance with the Local Agency Security Program	$	145,128	$	131,051
Collateral for trust deposits	742		751
Total investment securities pledged to the State of California	145,870		131,802
Collateral for Wealth Management and Trust Services checking account	624		629
Total pledged investment securities	$	146,494	$	132,431

Schedule of Unrealized Loss on Investments

There were 23 and 10 securities in unrealized loss positions at June 30, 2021 and December 31, 2020, respectively. Those securities are summarized and classified according to the duration of the loss period in the tables below:

June 30, 2021	< 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:
CMOs issued by FHLMC	$	4,372	$	(38)	$	—	$	—	$	4,372	$	(38)
Total held-to-maturity	4,372		(38)		—		—		4,372		(38)
Available-for-sale:
MBS pass-through securities issued by FHLMC and FNMA	—		—		—		—		—		—
SBA-backed securities	—		—		1,417		(46)		1,417		(46)
CMOs issued by FNMA	—		—		—		—		—		—
CMOs issued by FHLMC	33,740		(436)		—		—		33,740		(436)
Debentures of government- sponsored agencies	63,594		(1,738)		—		—		63,594		(1,738)
Obligations of state and political subdivisions	2,550		(65)		—		—		2,550		(65)
Corporate bonds	5,785		(202)		—		—		5,785		(202)
Total available-for-sale	105,669		(2,441)		1,417		(46)		107,086		(2,487)
Total temporarily impaired securities	$	110,041	$	(2,479)	$	1,417	$	(46)	$	111,458	$	(2,525)

December 31, 2020	< 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
Available-for-sale:
SBA-backed securities	$	—	$	—	$	1,790	$	(55)	$	1,790	$	(55)
CMOs issued by FHLMC	5,975		(1)		—		—		5,975		(1)
Debentures of government- sponsored agencies	3,943		(24)		—		—		3,943		(24)
Total available-for-sale	9,918		(25)		1,790		(55)		11,708		(80)
Total temporarily impaired securities	$	9,918	$	(25)	$	1,790	$	(55)	$	11,708	$	(80)

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Loans and Allowance for Credit Losses on Loans - (Tables)

6 Months Ended

Jun. 30, 2021

Receivables [Abstract]

Schedule of Loans by Class

The following table presents the amortized cost of loans by class as of June 30, 2021 and December 31, 2020.

(in thousands)	June 30, 2021		December 31, 2020
Commercial and industrial	$	423,646	$	498,408
Real estate:
Commercial owner-occupied	296,407		304,963
Commercial investor-owned	967,335		961,208
Construction	80,841		73,046
Home equity	92,510		104,813
Other residential	120,903		123,395
Installment and other consumer loans	21,125		22,723
Total loans, at amortized cost 1	2,002,767		2,088,556
Allowance for credit losses on loans	(19,100)		(22,874)
Total loans, net	$	1,983,667	$	2,065,682

1 Amortized cost includes net deferred loan origination fees of $(5.2) million and $(4.9) million at June 30, 2021 and December 31, 2020, respectively. Amounts are also net of unrecognized purchase discounts of $737 thousand and $815 thousand at June 30, 2021 and December 31, 2020, respectively. Amortized cost excludes accrued interest, which totaled $7.3 million and $8.8 million at June 30, 2021 and December 31, 2020, respectively, and is included in interest receivable and other assets in the consolidated statements of condition.

Financing Receivable Credit Quality Indicators

The following tables present the loan portfolio by loan class, origination year and internal risk rating as of June 30, 2021 and December 31, 2020. 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
June 30, 2021	2021		2020		2019		2018		2017		Prior				Total
Commercial and industrial:
Pass	$	137,058	$	129,992	$	20,274	$	10,797	$	3,621	$	35,228	$	82,806	$	419,776
Special Mention	—		—		638		442		101		5		445		1,631
Substandard	—		1,099		369		—		—		—		771		2,239
Total commercial and industrial	$	137,058	$	131,091	$	21,281	$	11,239	$	3,722	$	35,233	$	84,022	$	423,646
Commercial real estate, owner-occupied:
Pass	$	19,776	$	29,440	$	26,861	$	40,403	$	40,695	$	94,071	$	—	$	251,246
Special Mention	—		—		—		2,360		16,419		8,173		—		26,952
Substandard	—		7,148		293		—		—		10,768		—		18,209
Total commercial real estate, owner-occupied	$	19,776	$	36,588	$	27,154	$	42,763	$	57,114	$	113,012	$	—	$	296,407
Commercial real estate, investor-owned:
Pass	$	115,580	$	159,350	$	142,354	$	136,108	$	72,393	$	311,508	$	98	$	937,391
Special Mention	—		—		5,203		5,461		1,803		7,920		—		20,387
Substandard	—		—		2,715		4,422		—		2,420		—		9,557
Total commercial real estate, investor-owned	$	115,580	$	159,350	$	150,272	$	145,991	$	74,196	$	321,848	$	98	$	967,335
Construction:
Pass	$	3,699	$	43,733	$	24,379	$	9,030	$	—	$	—	$	—	$	80,841
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total construction	$	3,699	$	43,733	$	24,379	$	9,030	$	—	$	—	$	—	$	80,841
Home equity:
Pass	$	—	$	—	$	—	$	—	$	—	$	511	$	91,191	$	91,702
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		386		422		808
Total home equity	$	—	$	—	$	—	$	—	$	—	$	897	$	91,613	$	92,510

(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
June 30, 2021	2021		2020		2019		2018		2017		Prior				Total
Other residential:
Pass	$	12,426	$	33,282	$	27,503	$	18,566	$	8,948	$	20,178	$	—	$	120,903
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total other residential	$	12,426	$	33,282	$	27,503	$	18,566	$	8,948	$	20,178	$	—	$	120,903
Installment and other consumer:
Pass	$	3,318	$	2,038	$	3,320	$	2,305	$	1,248	$	7,183	$	1,713	$	21,125
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total installment and other consumer	$	3,318	$	2,038	$	3,320	$	2,305	$	1,248	$	7,183	$	1,713	$	21,125
Total loans:
Pass	$	291,857	$	397,835	$	244,691	$	217,209	$	126,905	$	468,679	$	175,808	$	1,922,984
Total Special Mention	$	—	$	—	$	5,841	$	8,263	$	18,323	$	16,098	$	445	$	48,970
Total Substandard	$	—	$	8,247	$	3,377	$	4,422	$	—	$	13,574	$	1,193	$	30,813
Totals	$	291,857	$	406,082	$	253,909	$	229,894	$	145,228	$	498,351	$	177,446	$	2,002,767

(in thousands)	Term Loans - Amortized Cost by Origination Year												Revolving Loans Amortized Cost
December 31, 2020	2020		2019		2018		2017		2016		Prior				Total
Commercial and industrial:
Pass	$	308,237	$	22,589	$	12,596	$	4,508	$	5,915	$	34,282	$	85,889	$	474,016
Special Mention	—		2,034		1,318		141		11		49		19,092		22,645
Substandard	1,747		—		—		—		—		—		—		1,747
Total commercial and industrial	$	309,984	$	24,623	$	13,914	$	4,649	$	5,926	$	34,331	$	104,981	$	498,408
Commercial real estate, owner-occupied:
Pass	$	31,029	$	27,581	$	32,603	$	43,843	$	12,768	$	101,014	$	—	$	248,838
Special Mention	—		—		11,764		17,062		7,343		6,601		—		42,770
Substandard	7,147		—		—		—		6,208		—		—		13,355
Total commercial real estate, owner-occupied	$	38,176	$	27,581	$	44,367	$	60,905	$	26,319	$	107,615	$	—	$	304,963
Commercial real estate, investor-owned:
Pass	$	162,300	$	144,751	$	173,955	$	100,842	$	94,862	$	253,611	$	117	$	930,438
Special Mention	—		10,695		—		1,819		—		8,124		—		20,638
Substandard	—		2,716		4,435		—		1,553		1,428		—		10,132
Total commercial real estate, investor-owned	$	162,300	$	158,162	$	178,390	$	102,661	$	96,415	$	263,163	$	117	$	961,208
Construction:
Pass	$	31,654	$	30,150	$	11,242	$	—	$	—	$	—	$	—	$	73,046
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total construction	$	31,654	$	30,150	$	11,242	$	—	$	—	$	—	$	—	$	73,046
Home equity:
Pass	$	—	$	—	$	—	$	—	$	128	$	694	$	102,614	$	103,436
Special Mention	—		—		—		—		—		—		799		799
Substandard	—		—		—		—		—		391		187		578
Total home equity	$	—	$	—	$	—	$	—	$	128	$	1,085	$	103,600	$	104,813
Other residential:
Pass	$	34,447	$	31,079	$	23,673	$	10,574	$	6,035	$	17,587	$	—	$	123,395
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		—		—		—		—		—
Total other residential	$	34,447	$	31,079	$	23,673	$	10,574	$	6,035	$	17,587	$	—	$	123,395
Installment and other consumer:
Pass	$	2,361	$	4,382	$	3,483	$	1,543	$	3,423	$	4,921	$	2,593	$	22,706
Special Mention	—		—		—		—		—		—		—		—
Substandard	—		—		—		17		—		—		—		17
Total installment and other consumer	$	2,361	$	4,382	$	3,483	$	1,560	$	3,423	$	4,921	$	2,593	$	22,723
Total loans:
Pass	$	570,028	$	260,532	$	257,552	$	161,310	$	123,131	$	412,109	$	191,213	$	1,975,875
Total Special Mention	$	—	$	12,729	$	13,082	$	19,022	$	7,354	$	14,774	$	19,891	$	86,852
Total Substandard	$	8,894	$	2,716	$	4,435	$	17	$	7,761	$	1,819	$	187	$	25,829
Totals	$	578,922	$	275,977	$	275,069	$	180,349	$	138,246	$	428,702	$	211,291	$	2,088,556

Past Due Financing Receivables

The following table shows the amortized cost of loans by class, payment aging and non-accrual status as of June 30, 2021 and December 31, 2020.

Loan Aging Analysis by Class
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor-owned		Construction		Home equity		Other residential		Installment and other consumer		Total
June 30, 2021
30-59 days past due	$	367	$	—	$	—	$	—	$	—	$	—	$	—	$	367
60-89 days past due	—		—		—		—		121		—		—		121
90 days or more past due	—		—		878		—		—		—		—		878
Total past due	367		—		878		—		121		—		—		1,366
Current	423,279		296,407		966,457		80,841		92,389		120,903		21,125		2,001,401
Total loans 1	$	423,646	$	296,407	$	967,335	$	80,841	$	92,510	$	120,903	$	21,125	$	2,002,767
Non-accrual loans 2	$	—	$	7,148	$	1,597	$	—	$	445	$	—	$	—	$	9,190
Non-accrual loans with no allowance	$	—	$	7,148	$	1,597	$	—	$	445	$	—	$	—	$	9,190
December 31, 2020
30-59 days past due	$	—	$	—	$	1,673	$	—	$	274	$	—	$	136	$	2,083
60-89 days past due	—		—		—		—		—		—		622		622
90 days or more past due	—		—		—		—		—		—		—		—
Total past due	—		—		1,673		—		274		—		758		2,705
Current	498,408		304,963		959,535		73,046		104,539		123,395		21,965		2,085,851
Total loans 1	$	498,408	$	304,963	$	961,208	$	73,046	$	104,813	$	123,395	$	22,723	$	2,088,556
Non-accrual loans 2	$	—	$	7,147	$	1,610	$	—	$	459	$	—	$	17	$	9,233
Non-accrual loans with no allowance	$	—	$	7,147	$	1,610	$	—	$	459	$	—	$	17	$	9,233

1 There were no loans past due more than ninety days accruing interest at June 30, 2021 or December 31, 2020.

2 None of the non-accrual loans as of June 30, 2021 or December 31, 2020 were earning interest on a cash basis. We recognized no interest income on non-accrual loans for the three and six months ended June 30, 2021 and 2020. There were no new loans placed on non-accrual status during the six months ended June 30, 2021. Accrued interest of $20 thousand was reversed from interest income for loans that were placed on non-accrual status during the six months ended June 30, 2020.

Schedule of Collateral Dependent Loans

The following table presents the amortized cost basis of individually analyzed collateral-dependent non-accrual loans by class at June 30, 2021 and December 31, 2020.

	Amortized Cost by Collateral Type
(in thousands)	Commercial Real Estate		Residential Real Estate		Other		Total		Allowance for Credit Losses
June 30, 2021
Commercial real estate, owner-occupied	$	7,148	$	—	$	—	$	7,148	$	—
Commercial real estate, investor-owned	1,597		—		—		1,597		—
Home equity	—		445		—		445		—
Total	$	8,745	$	445	$	—	$	9,190	$	—
December 31, 2020
Commercial real estate, owner-occupied	$	7,147	$	—	$	—	$	7,147	$	—
Commercial real estate, investor-owned	1,610		—		—		1,610		—
Home equity	—		459		—		459		—
Installment and other consumer	—		—		17		17		—
Total	$	8,757	$	459	$	17	$	9,233	$	—

Troubled Debt Restructurings on Financing Receivables

The following table summarizes the carrying amount of TDR loans by loan class as of June 30, 2021 and December 31, 2020.

(in thousands)
Recorded Investment in Troubled Debt Restructurings 1	June 30, 2021		December 31, 2020
Commercial and industrial	$	821	$	1,021
Commercial real estate, owner-occupied	7,148		7,147
Commercial real estate, investor-owned	1,729		3,305
Home equity	276		281
Installment and other consumer	745		752
Total	$	10,719	$	12,506

1TDR loans on non-accrual status totaled $7.4 million at both June 30, 2021 and December 31, 2020. Unfunded commitments for TDR loans totaled $845 thousand as of June 30, 2021

The following table presents information for loans modified in a TDR during the presented periods, including the number of modified contracts, the recorded investment in the loans prior to modification, and the recorded investment in the loans at period end after being restructured. The table excludes fully charged-off TDR loans and loans modified in a TDR and subsequently paid-off during the years presented, if applicable.

(dollars in thousands)	Number of Contracts Modified	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment at Period End
TDRs during the three months ended June 30, 2021:
None	—	$	—	$	—	$	—
TDRs during the three months ended June 30, 2020:
Home equity	1	$	276	$	276	$	276
Installment and other consumer	1	108		108		108
Total	2	$	384	$	384	$	384

TDRs during the six months ended June 30, 2021:
None	—	$	—	$	—	$	—
TDRs during the six months ended June 30, 2020:
Commercial and industrial	1	$	170	$	162	$	144
Home equity	1	276		276		276
Installment and other consumer	3	211		211		210
Total	5	$	657	$	649	$	630

Allowance for Credit Losses on Financing Receivables

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

Allowance for Credit Losses on Loans Rollforward
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor-owned		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
Three months ended June 30, 2021
Beginning balance	$	1,654	$	2,304	$	10,856	$	1,312	$	520	$	757	$	255	$	2,300	$	19,958
Provision (reversal) - CECL	(68)		(267)		(95)		(178)		(158)		(144)		(17)		7		(920)
Charge-offs	—		—		—		—		—		—		—		—		—
Recoveries	4		—		—		8		50		—		—		—		62
Ending balance	$	1,590	$	2,037	$	10,761	$	1,142	$	412	$	613	$	238	$	2,307	$	19,100
Three months ended June 30, 2020
Beginning balance	$	2,784	$	2,797	$	9,225	$	727	$	982	$	1,098	$	363	$	908	$	18,884
Provision - incurred loss	(159)		113		1,178		109		62		168		63		466		2,000
Charge-offs	(20)		—		—		—		—		—		—		—		(20)
Recoveries	4		—		—		—		—		—		—		—		4
Ending balance	$	2,609	$	2,910	$	10,403	$	836	$	1,044	$	1,266	$	426	$	1,374	$	20,868

Allowance for Credit Losses on Loans Rollforward
(in thousands)	Commercial and industrial		Commercial real estate, owner-occupied		Commercial real estate, investor		Construction		Home equity		Other residential		Installment and other consumer		Unallocated		Total
Six months ended June 30, 2021
Beginning balance	$	2,530	$	2,778	$	12,682	$	1,557	$	738	$	998	$	291	$	1,300	$	22,874
Provision (reversal) - CECL	(947)		(741)		(1,921)		(433)		(376)		(385)		(53)		1,007		(3,849)
Charge-offs	—		—		—		—		—		—		—		—		—
Recoveries	7		—		—		18		50		—		—		—		75
Ending balance	$	1,590	$	2,037	$	10,761	$	1,142	$	412	$	613	$	238	$	2,307	$	19,100
Six months ended June 30, 2020
Beginning balance	$	2,334	$	2,462	$	8,483	$	638	$	850	$	973	$	284	$	653	$	16,677
Provision - incurred loss	287		448		1,920		195		194		293		142		721		4,200
Charge-offs	(20)		—		—		—		—		—		—		—		(20)
Recoveries	8		—		—		3		—		—		—		—		11
Ending balance	$	2,609	$	2,910	$	10,403	$	836	$	1,044	$	1,266	$	426	$	1,374	$	20,868

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Commitments and Contingencies - (Tables)

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Schedule of Undrawn Loan Commitments and Standby Letters of Credit

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)	June 30, 2021		December 31, 2020
Commercial lines of credit	$	282,611	$	287,533
Revolving home equity lines	201,986		189,035
Undisbursed construction loans	73,757		41,033
Personal and other lines of credit	10,185		9,567
Standby letters of credit	3,167		1,964
Total commitments and standby letters of credit	$	571,706	$	529,132

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.

(in thousands)	June 30, 2021		December 31, 2020
Operating leases:
Operating lease right-of-use assets	$	23,506	$	25,612
Operating lease liabilities	$	24,919	$	27,062
Finance leases:
Finance lease right-of-use assets	$	473	$	365
Accumulated amortization	(37)		(307)
Finance lease right-of-use assets, net1	$	436	$	58
Finance lease liabilities2	$	438	$	58
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 period presented.

	Six months ended
(in thousands)	June 30, 2021		June 30, 2020
Right-of-use assets obtained in exchange for operating lease liabilities	$	—	$	14,030
Right-of-use assets obtained in exchange for finance lease liabilities	$	412	$	18

The following table shows components of operating and finance lease cost.

	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Operating lease cost	$	1,164	$	1,114	$	2,328	$	2,169
Variable lease cost	—		2		—		3
Total operating lease cost1	$	1,164	$	1,116	$	2,328	$	2,172
Finance lease cost:
Amortization of right-of-use assets2	$	7	$	44	$	34	$	88
Interest on finance lease liabilities3	—		1		—		$	2
Total finance lease cost	7		45		$	34	$	90
Total lease cost	$	1,171	$	1,161	$	2,362	$	2,262
1 Included in occupancy and equipment expense in the consolidated statements of comprehensive income.
2 Included in depreciation and amortization in the consolidated statements of comprehensive income.
3 Included in interest on borrowings and other obligations in the consolidated statements of comprehensive income.

Schedule of Operating 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 June 30, 2021. 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 later of the date we adopted the new lease accounting standards or lease commencement date.

(in thousands)	June 30, 2021
Year	Operating Leases			Finance Leases
2021	$	2,246		$	52
2022	4,424			118
2023	4,004			108
2024	3,300			104
2025	2,876			61
Thereafter	9,867			—
Total minimum lease payments	26,717			443
Amounts representing interest (present value discount)	(1,798)			(5)
Present value of net minimum lease payments (lease liability)	$	24,919		$	438
Weighted average remaining term (in years)	7.5			4.0
Weighted average discount rate	1.79		%	0.66		%

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 June 30, 2021. 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 later of the date we adopted the new lease accounting standards or lease commencement date.

(in thousands)	June 30, 2021
Year	Operating Leases			Finance Leases
2021	$	2,246		$	52
2022	4,424			118
2023	4,004			108
2024	3,300			104
2025	2,876			61
Thereafter	9,867			—
Total minimum lease payments	26,717			443
Amounts representing interest (present value discount)	(1,798)			(5)
Present value of net minimum lease payments (lease liability)	$	24,919		$	438
Weighted average remaining term (in years)	7.5			4.0
Weighted average discount rate	1.79		%	0.66		%

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Derivative Financial Instruments and Hedging Activities - (Tables)

6 Months Ended

Jun. 30, 2021

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)	June 30, 2021		December 31, 2020		June 30, 2021		December 31, 2020
Fair value hedges:
Interest rate contracts notional amount	$	—	$	—	$	13,518	$	13,991
Interest rate contracts fair value1	$	—	$	—	$	1,363	$	1,912

1 See Note 3, 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 June 30, 2021 and December 31, 2020.

	Carrying Amounts of Hedged Assets				Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Loans
(in thousands)	June 30, 2021		December 31, 2020		June 30, 2021		December 31, 2020
Loans	$	14,734	$	15,745	$	1,216	$	1,753

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

The following table presents the net losses recognized in interest income on loans on the consolidated statements of comprehensive income related to our derivatives designated as fair value hedges.

	Three months ended				Six months ended
(in thousands)	June 30, 2021		June 30, 2020		June 30, 2021		June 30, 2020
Interest and fees on loans 1	$	21,429	$	21,217	$	42,090	$	42,104
(Decrease) increase in fair value of designated interest rate swaps due to LIBOR interest rate movements	$	(170)	$	(63)	$	549	$	(1,504)
Payment on interest rate swaps	(93)		(96)		(185)		(146)
Increase (decrease) in fair value hedging adjustment of hedged loans	177		59		(537)		1,529
Decrease in value of yield maintenance agreement	(2)		(3)		(6)		(6)
Net losses on fair value hedging relationships recognized in interest income	$	(88)	$	(103)	$	(179)	$	(127)

1 Represents the income line item in the statement of comprehensive income in which the effects of fair value hedges are recorded.

Offsetting Assets

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 of

Gross Amounts Not Offset in

Gross Amounts

Offset in the

Assets Presented

the Statements of Condition

of Recognized

Statements of

in the Statements

Financial

Cash Collateral

(in thousands)

Assets

Condition

of Condition

Instruments

Received

Net Amount

June 30, 2021

Derivatives by Counterparty:

Counterparty A

$

—

$

—

$

—

$

—

$

—

$

—

December 31, 2020

Derivatives by Counterparty:

Counterparty A

$

—

$

—

$

—

$

—

$

—

$

—

Offsetting Liabilities

Offsetting of Financial Liabilities and Derivative Liabilities
			Gross Amounts		Net Amounts of		Gross Amounts Not Offset in
	Gross Amounts		Offset in the		Liabilities Presented		the Statements of Condition
	of Recognized		Statements of		in the Statements		Financial		Cash Collateral
(in thousands)	Liabilities1		Condition		of Condition1		Instruments		Pledged		Net Amount
June 30, 2021
Derivatives by Counterparty:
Counterparty A	$	1,363	$	—	$	1,363	$	—	$	(1,363)	$	—
December 31, 2020
Derivatives by Counterparty:
Counterparty A	$	1,912	$	—	$	1,912	$	—	$	(1,912)	$	—

1 Amounts exclude accrued interest on swaps.

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Basis of Presentation - Reconciliation of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Weighted average basic shares outstanding (in shares)	13,092	13,514	13,227	13,519
Potentially dilutive common shares related to:
Stock options (in shares)	54	54	67	80
Unvested restricted stock awards (in shares)	18	17	22	22
Weighted average diluted shares outstanding (in shares)	13,164	13,585	13,316	13,621
Net income	$ 9,285	$ 7,406	$ 18,232	$ 14,634
Basic EPS (in dollars per share)	$ 0.71	$ 0.55	$ 1.38	$ 1.08
Diluted EPS (in dollars per share)	$ 0.71	$ 0.55	$ 1.37	$ 1.07
Weighted average anti-dilutive shares not included in the calculation of diluted EPS (in shares)	111	207	88	109

XML

Fair Value of Assets and Liabilities - Recorded on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	$ 517,963	$ 392,351
SBA-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	29,460	32,862
Debentures of government- sponsored agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	74,711	20,186
Obligations of state and political subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	123,224	110,652
Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities	5,785
Carrying Value | Assets and liabilities at fair value measured on a recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial liabilities (interest rate contracts)	1,363	1,912
Carrying Value | Assets and liabilities at fair value measured on a recurring basis | 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	284,783	228,651
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	29,460	32,862
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	74,711	20,186
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	123,224	110,652
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	5,785
Fair Value | Assets and liabilities at fair value measured on a recurring basis | 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 liabilities (interest rate contracts)	0	0
Fair Value | Assets and liabilities at fair value measured on a recurring basis | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial liabilities (interest rate contracts)	1,363	1,912
Fair Value | Assets and liabilities at fair value measured on a recurring basis | Significant Unobservable Inputs  (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial liabilities (interest rate contracts)	0	0
Fair Value | Assets and liabilities at fair value measured on a recurring basis | 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 | 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	284,783	228,651
Fair Value | Assets and liabilities at fair value measured on a recurring basis | 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	29,460	36,286
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	74,711	20,186
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 | 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	123,224	110,652
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
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	5,785
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

XML

Fair Value of Assets and Liabilities - Narrative (Details)	6 Months Ended
	Jun. 30, 2021 USD ($) security	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) security
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Write down of held to maturity securities | $	$ 0	$ 0
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value, non-recurring basis | $	$ 0		$ 0
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of securities | security			0
Significant Unobservable Inputs  (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of securities | security	0

XML

Fair Value of Assets and Liabilities - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financial assets (recorded at amortized cost)
Investment securities held-to-maturity	$ 174,138	$ 115,185
Carrying Amounts | Level 1
Financial assets (recorded at amortized cost)
Cash and cash equivalents	257,543	200,320
Carrying Amounts | Level 2
Financial assets (recorded at amortized cost)
Investment securities held-to-maturity	169,038	109,036
Interest receivable	10,160	10,922
Financial liabilities (recorded at amortized cost)
Time deposits	95,350	97,433
Interest payable	53	97
Carrying Amounts | Level 3
Financial assets (recorded at amortized cost)
Loans, net	2,002,767	2,065,682
Financial liabilities (recorded at amortized cost)
Subordinated debenture	0	2,777
Fair Value | Level 1
Financial assets (recorded at amortized cost)
Cash and cash equivalents	257,543	200,320
Fair Value | Level 2
Financial assets (recorded at amortized cost)
Investment securities held-to-maturity	174,138	115,185
Interest receivable	10,160	10,922
Financial liabilities (recorded at amortized cost)
Time deposits	95,572	97,769
Interest payable	53	97
Fair Value | Level 3
Financial assets (recorded at amortized cost)
Loans, net	1,993,373	2,089,192
Financial liabilities (recorded at amortized cost)
Subordinated debenture	$ 0	$ 3,115

XML

Investment Securities - Held-to-Maturity Amortized Cost and Fair Value (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	$ 169,038,000	$ 109,036,000
Allowance for Credit Losses	0	0
Net Carrying Amount	169,038,000	109,036,000
Held-to-maturity, gross unrealized gains	5,138,000	6,149,000
Held-to-maturity, gross unrealized losses	(38,000)	0
Held to maturity, fair value	174,138,000	115,185,000
Accrued interest	550,000	366,000
Corporate bonds
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost		0
Allowance for Credit Losses		0
Net Carrying Amount		0
Held-to-maturity, gross unrealized gains		0
Held-to-maturity, gross unrealized losses		0
Held to maturity, fair value		0
MBS pass-through securities issued by FHLMC and FNMA
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	74,115,000	65,579,000
Allowance for Credit Losses	0	0
Net Carrying Amount	74,115,000	65,579,000
Held-to-maturity, gross unrealized gains	3,247,000	3,924,000
Held-to-maturity, gross unrealized losses	0	0
Held to maturity, fair value	77,362,000	69,503,000
CMOs issued by FHLMC
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	38,641,000	27,201,000
Allowance for Credit Losses	0	0
Net Carrying Amount	38,641,000	27,201,000
Held-to-maturity, gross unrealized gains	1,142,000	1,441,000
Held-to-maturity, gross unrealized losses	(38,000)	0
Held to maturity, fair value	39,745,000	28,642,000
CMOs issued by FNMA
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	6,274,000	8,042,000
Allowance for Credit Losses	0	0
Net Carrying Amount	6,274,000	8,042,000
Held-to-maturity, gross unrealized gains	265,000	363,000
Held-to-maturity, gross unrealized losses	0	0
Held to maturity, fair value	6,539,000	8,405,000
SBA-backed securities
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	5,697,000	6,547,000
Allowance for Credit Losses	0	0
Net Carrying Amount	5,697,000	6,547,000
Held-to-maturity, gross unrealized gains	361,000	400,000
Held-to-maturity, gross unrealized losses	0	0
Held to maturity, fair value	6,058,000	6,947,000
Debentures of government- sponsored agencies
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	43,731,000
Allowance for Credit Losses	0
Net Carrying Amount	43,731,000
Held-to-maturity, gross unrealized gains	115,000
Held-to-maturity, gross unrealized losses	0
Held to maturity, fair value	43,846,000
Obligations of state and political subdivisions
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]
Held to maturity, amortized cost	580,000	1,667,000
Allowance for Credit Losses	0	0
Net Carrying Amount	580,000	1,667,000
Held-to-maturity, gross unrealized gains	8,000	21,000
Held-to-maturity, gross unrealized losses	0	0
Held to maturity, fair value	$ 588,000	$ 1,688,000

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Investment Securities - Narrative (Details)	Jun. 30, 2021 USD ($) security	Dec. 31, 2020 USD ($) security
Investments, Debt and Equity Securities [Abstract]
Held-to-maturity, allowance for credit Loss | $	$ 0	$ 0
Number of investment securities in unrealized loss position	23	10
Number of investment securities in unrealized loss position longer than 12 months	4
Number of investment securities in unrealized loss position less than 12 months	19
Debt securities, available-for-sale unrealized loss position, allowance for credit loss | $	$ 0

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Investment Securities - Schedule of Bond Ratings For Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	$ 169,038	$ 109,036
Obligations of state and political subdivisions
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Debt securities, held-to-maturity	580	1,667
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]
Debt securities, held-to-maturity	376	1,461
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]
Debt securities, held-to-maturity	$ 204	$ 206

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Investment Securities - Available-for-Sale Securities Amortized Cost and Fair Value (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	$ 504,934,000	$ 373,038,000
Available-for-sale, gross unrealized gains	15,516,000	19,393,000
Available-for-sale, gross unrealized losses	(2,487,000)	(80,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	517,963,000	392,351,000
Accrued interest	2,400,000	1,900,000
MBS pass-through securities issued by FHLMC and FNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	57,653,000	50,686,000
Available-for-sale, gross unrealized gains	1,867,000	2,530,000
Available-for-sale, gross unrealized losses	0	0
Allowance for Credit Losses	0	0
Available-for-sale securities	59,520,000	53,216,000
CMOs issued by FHLMC
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	160,949,000	143,267,000
Available-for-sale, gross unrealized gains	5,573,000	7,925,000
Available-for-sale, gross unrealized losses	(436,000)	(1,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	166,086,000	151,191,000
CMOs issued by FNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	36,636,000	16,450,000
Available-for-sale, gross unrealized gains	428,000	580,000
Available-for-sale, gross unrealized losses	0	0
Allowance for Credit Losses	0	0
Available-for-sale securities	37,064,000	17,030,000
CMOs issued by GNMA
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	21,855,000	6,863,000
Available-for-sale, gross unrealized gains	258,000	351,000
Available-for-sale, gross unrealized losses	0	0
Allowance for Credit Losses	0	0
Available-for-sale securities	22,113,000	7,214,000
SBA-backed securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	27,938,000	30,941,000
Available-for-sale, gross unrealized gains	1,568,000	1,976,000
Available-for-sale, gross unrealized losses	(46,000)	(55,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	29,460,000	32,862,000
Debentures of government- sponsored agencies
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	76,321,000	19,944,000
Available-for-sale, gross unrealized gains	128,000	266,000
Available-for-sale, gross unrealized losses	(1,738,000)	(24,000)
Allowance for Credit Losses	0	0
Available-for-sale securities	74,711,000	20,186,000
Obligations of state and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	117,595,000	104,887,000
Available-for-sale, gross unrealized gains	5,694,000	5,765,000
Available-for-sale, gross unrealized losses	(65,000)	0
Allowance for Credit Losses	0	0
Available-for-sale securities	123,224,000	$ 110,652,000
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, amortized cost	5,987,000
Available-for-sale, gross unrealized gains	0
Available-for-sale, gross unrealized losses	(202,000)
Allowance for Credit Losses	0
Available-for-sale securities	$ 5,785,000

XML

Investment Securities - Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Held-to-maturity Securities, Amortized Cost
Within one year	$ 245	$ 246
After one but within five years	20,203	7,550
After five years through ten years	58,465	52,113
After ten years	90,125	49,127
Total	169,038	109,036
Held-to-maturity Securities, Fair Value
Within one year	246	250
After one but within five years	21,184	7,961
After five years through ten years	60,963	55,872
After ten years	91,745	51,102
Total	174,138	115,185
Available-for-sale Securities, Amortized Cost
Within one year	14,263	11,530
After one but within five years	53,194	59,028
After five years through ten years	183,706	144,908
After ten years	253,771	157,572
Available-for-sale, amortized cost	504,934	373,038
Available-for-sale Securities, Fair Value
Within one year	14,403	11,687
After one but within five years	55,835	62,397
After five years through ten years	189,492	154,089
After ten years	258,233	164,178
Total	$ 517,963	$ 392,351

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Investment Securities - Sales of investment securities and gross gains and losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Available-for-sale:
Sales proceeds	$ 0	$ 6,314	$ 0	$ 33,756
Gross realized gains	0	116	0	916
Gross realized losses	$ 0	$ (1)	$ 0	$ (1)

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Investment Securities - Pledged and Transferred Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	$ 146,494	$ 132,431
Public deposits
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	145,128	131,051
Trust deposits
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	742	751
State of California
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	145,870	131,802
Internal checking account
Financial Instruments Owned and Pledged as Collateral [Line Items]
Available-for-sale securities pledged as collateral	$ 624	$ 629

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Investment Securities - Unrealized Loss Positions (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	$ 4,372
Greater than or equal to 12 continuous months	0
Total Securities in a loss position	4,372
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	(38)
Greater than or equal to 12 continuous months	0
Held-to-maturity, gross unrealized losses	(38)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	105,669	$ 9,918
Available-for-sale, greater than 12 continuous months, fair value	1,417	1,790
Available-for-sale, total securities in a loss position, fair value	107,086	11,708
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	(2,441)	(25)
Available-for-sale, greater than 12 continuous months, unrealized loss	(46)	(55)
Available-for-sale, total securities in a loss position, unrealized loss	(2,487)	(80)
Marketable Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Marketable securities, less than 12 continuous months, fair value	110,041	9,918
Marketable securities, greater than 12 continuous months, fair value	1,417	1,790
Marketable securities, total securities in a loss position, fair value	111,458	11,708
Marketable Securities, Continuous Unrealized Loss Position, Accumulated Loss [Abstract]
Marketable securities, less than 12 continuous months, unrealized loss	(2,479)	(25)
Marketable securities, greater than 12 continuous months, unrealized loss	(46)	(55)
Marketable securities, total securities in a loss position, unrealized loss	(2,525)	(80)
MBS pass-through securities issued by FHLMC and FNMA
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
SBA-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	0
Available-for-sale, greater than 12 continuous months, fair value	1,417	1,790
Available-for-sale, total securities in a loss position, fair value	1,417	1,790
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	(46)	(55)
Available-for-sale, total securities in a loss position, unrealized loss	(46)	(55)
CMOs issued by FNMA
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
CMOs issued by FHLMC
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 continuous months	4,372
Greater than or equal to 12 continuous months	0
Total Securities in a loss position	4,372
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract]
Less than 12 continuous months	(38)
Greater than or equal to 12 continuous months	0
Held-to-maturity, gross unrealized losses	(38)
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	33,740	5,975
Available-for-sale, greater than 12 continuous months, fair value	0	0
Available-for-sale, total securities in a loss position, fair value	33,740	5,975
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	(436)	(1)
Available-for-sale, greater than 12 continuous months, unrealized loss	0	0
Available-for-sale, total securities in a loss position, unrealized loss	(436)	(1)
Debentures of government- sponsored agencies
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	63,594	3,943
Available-for-sale, greater than 12 continuous months, fair value	0	0
Available-for-sale, total securities in a loss position, fair value	63,594	3,943
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	(1,738)	(24)
Available-for-sale, greater than 12 continuous months, unrealized loss	0	0
Available-for-sale, total securities in a loss position, unrealized loss	(1,738)	$ (24)
Obligations of state and political subdivisions
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	2,550
Available-for-sale, greater than 12 continuous months, fair value	0
Available-for-sale, total securities in a loss position, fair value	2,550
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	(65)
Available-for-sale, greater than 12 continuous months, unrealized loss	0
Available-for-sale, total securities in a loss position, unrealized loss	(65)
Corporate bonds
Debt Securities, Available-For-Sale, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale, less than 12 continuous months, fair value	5,785
Available-for-sale, greater than 12 continuous months, fair value	0
Available-for-sale, total securities in a loss position, fair value	5,785
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Available-for-sale, less than 12 continuous months, unrealized loss	(202)
Available-for-sale, greater than 12 continuous months, unrealized loss	0
Available-for-sale, total securities in a loss position, unrealized loss	$ (202)

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Investment Securities - Non-Marketable Securities Included in Other Assets (Details)	6 Months Ended		12 Months Ended
	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) shares	Jul. 29, 2021
Schedule of Equity Method Investments [Line Items]
Federal home loan bank stock, par value (in usd per share) | $ / shares	$ 100
Investments in low income housing tax credit funds	$ 3,300,000		$ 3,500,000
Low income housing tax credits and other tax benefits	323,000
Low income housing amortization expense	271,000
Unfunded commitments for low income housing tax credit funds	$ 474,000
Subsequent event
Schedule of Equity Method Investments [Line Items]
Federal home loan bank, dividend rate percentage				6.00%
Visa Inc. Class B common stock
Schedule of Equity Method Investments [Line Items]
Number of shares of securities carried at cost (in shares) | shares	10,439		10,439
Carrying value of securities carried at cost	$ 0		$ 0
Fair value of Class B common stock	$ 4,000,000.0		$ 3,700,000
Visa Inc. | Visa Inc. Class B common stock
Schedule of Equity Method Investments [Line Items]
Conversion rate on common stock	1.6228		1.6228
Asset Derivatives
Schedule of Equity Method Investments [Line Items]
Federal home loan bank stock	$ 11,900,000		$ 11,900,000
Low-income housing tax credit investment
Schedule of Equity Method Investments [Line Items]
Impairment losses	$ 0	$ 0

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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	$ 2,002,767		$ 2,088,556
Allowance for credit losses on loans	(19,100)	$ (19,958)	(22,874)
Loans, net of allowance for credit losses	1,983,667		2,065,682
Deferred loan fees	(5,200)		(4,900)
Unrecognized purchase discounts on non-PCI loans	737		815
Financing receivable, accrued interest, net	7,300		8,800
Commercial loans | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	423,646		498,408
Allowance for credit losses on loans	(1,590)	(1,654)	(2,530)
Commercial real estate loans | Commercial owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	296,407		304,963
Allowance for credit losses on loans	(2,037)	(2,304)	(2,778)
Commercial real estate loans | Commercial investor-owned
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	967,335		961,208
Allowance for credit losses on loans	(10,761)	(10,856)	(12,682)
Commercial real estate loans | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	80,841		73,046
Allowance for credit losses on loans	(1,142)	(1,312)	(1,557)
Residential loans | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	92,510		104,813
Allowance for credit losses on loans	(412)	(520)	(738)
Residential loans | Other residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	120,903		123,395
Allowance for credit losses on loans	(613)	(757)	(998)
Consumer loans | Installment and other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	21,125		22,723
Allowance for credit losses on loans	$ (238)	$ (255)	$ (291)

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Loans and Allowance for Credit Losses on Loans - CARES Act Narrative (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($) loan	Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	$ 2,002,767	$ 2,088,556
SBA PPP
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans | loan	1,532
SBA PPP Round Two
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans funded during period | loan	1,060
Commercial loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	$ 423,646	498,408
Commercial loans | Commercial and industrial | SBA PPP
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	248,300	291,600
Financing receivable, unamortized loan fee	6,500	$ 5,400
Commercial loans | Commercial and industrial | SBA PPP Round Two
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase in finance receivables	$ 136,000

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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Risk Grade and Origination Year (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	$ 291,857	$ 578,922
Financing receivable, originated, year two	406,082	275,977
Financing receivable, originated, year three	253,909	275,069
Financing receivable, originated, year four	229,894	180,349
Financing receivable, originated, year five	145,228	138,246
Prior	498,351	428,702
Revolving Loans Amortized Cost	177,446	211,291
Total	2,002,767	2,088,556
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	291,857	570,028
Financing receivable, originated, year two	397,835	260,532
Financing receivable, originated, year three	244,691	257,552
Financing receivable, originated, year four	217,209	161,310
Financing receivable, originated, year five	126,905	123,131
Prior	468,679	412,109
Revolving Loans Amortized Cost	175,808	191,213
Total	1,922,984	1,975,875
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	0
Financing receivable, originated, year two	0	12,729
Financing receivable, originated, year three	5,841	13,082
Financing receivable, originated, year four	8,263	19,022
Financing receivable, originated, year five	18,323	7,354
Prior	16,098	14,774
Revolving Loans Amortized Cost	445	19,891
Total	48,970	86,852
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	8,894
Financing receivable, originated, year two	8,247	2,716
Financing receivable, originated, year three	3,377	4,435
Financing receivable, originated, year four	4,422	17
Financing receivable, originated, year five	0	7,761
Prior	13,574	1,819
Revolving Loans Amortized Cost	1,193	187
Total	30,813	25,829
Commercial loans | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	137,058	309,984
Financing receivable, originated, year two	131,091	24,623
Financing receivable, originated, year three	21,281	13,914
Financing receivable, originated, year four	11,239	4,649
Financing receivable, originated, year five	3,722	5,926
Prior	35,233	34,331
Revolving Loans Amortized Cost	84,022	104,981
Total	423,646	498,408
Commercial loans | Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	137,058	308,237
Financing receivable, originated, year two	129,992	22,589
Financing receivable, originated, year three	20,274	12,596
Financing receivable, originated, year four	10,797	4,508
Financing receivable, originated, year five	3,621	5,915
Prior	35,228	34,282
Revolving Loans Amortized Cost	82,806	85,889
Total	419,776	474,016
Commercial loans | Commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	0
Financing receivable, originated, year two	0	2,034
Financing receivable, originated, year three	638	1,318
Financing receivable, originated, year four	442	141
Financing receivable, originated, year five	101	11
Prior	5	49
Revolving Loans Amortized Cost	445	19,092
Total	1,631	22,645
Commercial loans | Commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	1,747
Financing receivable, originated, year two	1,099	0
Financing receivable, originated, year three	369	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	0	0
Prior	0	0
Revolving Loans Amortized Cost	771	0
Total	2,239	1,747
Commercial real estate loans | Commercial owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	19,776	38,176
Financing receivable, originated, year two	36,588	27,581
Financing receivable, originated, year three	27,154	44,367
Financing receivable, originated, year four	42,763	60,905
Financing receivable, originated, year five	57,114	26,319
Prior	113,012	107,615
Revolving Loans Amortized Cost	0	0
Total	296,407	304,963
Commercial real estate loans | Commercial owner-occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	19,776	31,029
Financing receivable, originated, year two	29,440	27,581
Financing receivable, originated, year three	26,861	32,603
Financing receivable, originated, year four	40,403	43,843
Financing receivable, originated, year five	40,695	12,768
Prior	94,071	101,014
Revolving Loans Amortized Cost	0	0
Total	251,246	248,838
Commercial real estate loans | Commercial owner-occupied | Special Mention
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	11,764
Financing receivable, originated, year four	2,360	17,062
Financing receivable, originated, year five	16,419	7,343
Prior	8,173	6,601
Revolving Loans Amortized Cost	0	0
Total	26,952	42,770
Commercial real estate loans | Commercial owner-occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	7,147
Financing receivable, originated, year two	7,148	0
Financing receivable, originated, year three	293	0
Financing receivable, originated, year four	0	0
Financing receivable, originated, year five	0	6,208
Prior	10,768	0
Revolving Loans Amortized Cost	0	0
Total	18,209	13,355
Commercial real estate loans | Commercial investor-owned
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	115,580	162,300
Financing receivable, originated, year two	159,350	158,162
Financing receivable, originated, year three	150,272	178,390
Financing receivable, originated, year four	145,991	102,661
Financing receivable, originated, year five	74,196	96,415
Prior	321,848	263,163
Revolving Loans Amortized Cost	98	117
Total	967,335	961,208
Commercial real estate loans | Commercial investor-owned | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	115,580	162,300
Financing receivable, originated, year two	159,350	144,751
Financing receivable, originated, year three	142,354	173,955
Financing receivable, originated, year four	136,108	100,842
Financing receivable, originated, year five	72,393	94,862
Prior	311,508	253,611
Revolving Loans Amortized Cost	98	117
Total	937,391	930,438
Commercial real estate loans | Commercial investor-owned | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	0
Financing receivable, originated, year two	0	10,695
Financing receivable, originated, year three	5,203	0
Financing receivable, originated, year four	5,461	1,819
Financing receivable, originated, year five	1,803	0
Prior	7,920	8,124
Revolving Loans Amortized Cost	0	0
Total	20,387	20,638
Commercial real estate loans | Commercial investor-owned | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	0	0
Financing receivable, originated, year two	0	2,716
Financing receivable, originated, year three	2,715	4,435
Financing receivable, originated, year four	4,422	0
Financing receivable, originated, year five	0	1,553
Prior	2,420	1,428
Revolving Loans Amortized Cost	0	0
Total	9,557	10,132
Commercial real estate loans | Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	3,699	31,654
Financing receivable, originated, year two	43,733	30,150
Financing receivable, originated, year three	24,379	11,242
Financing receivable, originated, year four	9,030	0
Financing receivable, originated, year five	0	0
Prior	0	0
Revolving Loans Amortized Cost	0	0
Total	80,841	73,046
Commercial real estate loans | Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	3,699	31,654
Financing receivable, originated, year two	43,733	30,150
Financing receivable, originated, year three	24,379	11,242
Financing receivable, originated, year four	9,030	0
Financing receivable, originated, year five	0	0
Prior	0	0
Revolving Loans Amortized Cost	0	0
Total	80,841	73,046
Commercial real estate loans | Construction | Special Mention
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	0	0
Revolving Loans Amortized Cost	0	0
Total	0	0
Commercial real estate loans | Construction | 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	0	0
Revolving Loans Amortized Cost	0	0
Total	0	0
Residential loans | Home equity
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	128
Prior	897	1,085
Revolving Loans Amortized Cost	91,613	103,600
Total	92,510	104,813
Residential loans | Home equity | Pass
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	128
Prior	511	694
Revolving Loans Amortized Cost	91,191	102,614
Total	91,702	103,436
Residential loans | Home equity | Special Mention
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	0	0
Revolving Loans Amortized Cost	0	799
Total	0	799
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	386	391
Revolving Loans Amortized Cost	422	187
Total	808	578
Residential loans | Other residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	12,426	34,447
Financing receivable, originated, year two	33,282	31,079
Financing receivable, originated, year three	27,503	23,673
Financing receivable, originated, year four	18,566	10,574
Financing receivable, originated, year five	8,948	6,035
Prior	20,178	17,587
Revolving Loans Amortized Cost	0	0
Total	120,903	123,395
Residential loans | Other residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	12,426	34,447
Financing receivable, originated, year two	33,282	31,079
Financing receivable, originated, year three	27,503	23,673
Financing receivable, originated, year four	18,566	10,574
Financing receivable, originated, year five	8,948	6,035
Prior	20,178	17,587
Revolving Loans Amortized Cost	0	0
Total	120,903	123,395
Residential loans | Other residential | Special Mention
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	0	0
Revolving Loans Amortized Cost	0	0
Total	0	0
Residential loans | Other residential | 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	0	0
Revolving Loans Amortized Cost	0	0
Total	0	0
Consumer loans | Installment and other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	3,318	2,361
Financing receivable, originated, year two	2,038	4,382
Financing receivable, originated, year three	3,320	3,483
Financing receivable, originated, year four	2,305	1,560
Financing receivable, originated, year five	1,248	3,423
Prior	7,183	4,921
Revolving Loans Amortized Cost	1,713	2,593
Total	21,125	22,723
Consumer loans | Installment and other consumer loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivable, originated, year one	3,318	2,361
Financing receivable, originated, year two	2,038	4,382
Financing receivable, originated, year three	3,320	3,483
Financing receivable, originated, year four	2,305	1,543
Financing receivable, originated, year five	1,248	3,423
Prior	7,183	4,921
Revolving Loans Amortized Cost	1,713	2,593
Total	21,125	22,706
Consumer loans | Installment and other consumer loans | Special Mention
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	0	0
Revolving Loans Amortized Cost	0	0
Total	0	0
Consumer loans | Installment and other consumer loans | 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	17
Financing receivable, originated, year five	0	0
Prior	0	0
Revolving Loans Amortized Cost	0	0
Total	$ 0	$ 17

XML

Loans and Allowance for Credit Losses on Loans - Outstanding and Aging Analysis (Details)	6 Months Ended
	Jun. 30, 2021 USD ($) loan	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	$ 2,002,767,000		$ 2,088,556,000
Non-accrual loans with no allowance	9,190,000		9,233,000
Loans past due more than 90 days still accruing	0		0
Financing receivable, nonaccrual, earning interest on cash basis	0		0
Financing receivable, nonaccrual, interest income	$ 0	$ 0
Financing receivable, number of loans placed on nonaccrual status | loan	0
Financing receivable, accrued interest, writeoff		$ 20,000
Commercial loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	$ 423,646,000		498,408,000
Non-accrual loans with no allowance	0		0
Commercial real estate loans | Commercial owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	296,407,000		304,963,000
Non-accrual loans with no allowance	7,148,000		7,147,000
Commercial real estate loans | Commercial investor-owned
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	967,335,000		961,208,000
Non-accrual loans with no allowance	1,597,000		1,610,000
Commercial real estate loans | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	80,841,000		73,046,000
Non-accrual loans with no allowance	0		0
Residential loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	92,510,000		104,813,000
Non-accrual loans with no allowance	445,000		459,000
Residential loans | Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	120,903,000		123,395,000
Non-accrual loans with no allowance	0		0
Consumer loans | Installment and other consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	21,125,000		22,723,000
Non-accrual loans with no allowance	0		17,000
Financial asset, other than financial asset acquired with credit deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	2,002,767,000		2,088,556,000
Non-accrual	9,190,000
Financial asset, other than financial asset acquired with credit deterioration | Total past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	1,366,000		2,705,000
Financial asset, other than financial asset acquired with credit deterioration | 30-59 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	367,000		2,083,000
Non-accrual			9,233,000
Financial asset, other than financial asset acquired with credit deterioration | 60-89 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	121,000		622,000
Financial asset, other than financial asset acquired with credit deterioration | 90 days or more past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	878,000		0
Financial asset, other than financial asset acquired with credit deterioration | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	2,001,401,000		2,085,851,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	423,646,000		498,408,000
Non-accrual	0
Financial asset, other than financial asset acquired with credit deterioration | Commercial loans | Commercial and industrial | Total past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	367,000		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial loans | Commercial and industrial | 30-59 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	367,000		0
Non-accrual			0
Financial asset, other than financial asset acquired with credit deterioration | Commercial loans | Commercial and industrial | 60-89 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial loans | Commercial and industrial | 90 days or more past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial loans | Commercial and industrial | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	423,279,000		498,408,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	296,407,000		304,963,000
Non-accrual	7,148,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial owner-occupied | Total past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial owner-occupied | 30-59 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Non-accrual			7,147,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial owner-occupied | 60-89 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial owner-occupied | 90 days or more past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial owner-occupied | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	296,407,000		304,963,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial investor-owned
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	967,335,000		961,208,000
Non-accrual	1,597,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial investor-owned | Total past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	878,000		1,673,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial investor-owned | 30-59 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		1,673,000
Non-accrual			1,610,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial investor-owned | 60-89 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial investor-owned | 90 days or more past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	878,000		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Commercial investor-owned | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	966,457,000		959,535,000
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	80,841,000		73,046,000
Non-accrual	0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Construction | Total past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Construction | 30-59 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Non-accrual			0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Construction | 60-89 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Construction | 90 days or more past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Commercial real estate loans | Construction | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	80,841,000		73,046,000
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	92,510,000		104,813,000
Non-accrual	445,000
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Home equity | Total past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	121,000		274,000
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Home equity | 30-59 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		274,000
Non-accrual			459,000
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Home equity | 60-89 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	121,000		0
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Home equity | 90 days or more past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Home equity | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	92,389,000		104,539,000
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Other residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	120,903,000		123,395,000
Non-accrual	0
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Other residential | Total past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Other residential | 30-59 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Non-accrual			0
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Other residential | 60-89 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Other residential | 90 days or more past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Residential loans | Other residential | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	120,903,000		123,395,000
Financial asset, other than financial asset acquired with credit deterioration | Consumer loans | Installment and other consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	21,125,000		22,723,000
Non-accrual	0
Financial asset, other than financial asset acquired with credit deterioration | Consumer loans | Installment and other consumer loans | Total past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		758,000
Financial asset, other than financial asset acquired with credit deterioration | Consumer loans | Installment and other consumer loans | 30-59 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		136,000
Non-accrual			17,000
Financial asset, other than financial asset acquired with credit deterioration | Consumer loans | Installment and other consumer loans | 60-89 days past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		622,000
Financial asset, other than financial asset acquired with credit deterioration | Consumer loans | Installment and other consumer loans | 90 days or more past due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	0		0
Financial asset, other than financial asset acquired with credit deterioration | Consumer loans | Installment and other consumer loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans at amortized cost	$ 21,125,000		$ 21,965,000

XML

Loans and Allowance for Credit Losses on Loans - Schedule of Collateral-Dependent Non-Accrual Loans (Details) - USD ($)	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	$ 19,100,000	$ 19,958,000	$ 22,874,000
Weighted average ratio of loans value to collateral dependent loans value	58.70%		59.20%
Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	$ 9,190,000		$ 9,233,000
Allowance for credit losses	0		0
Nonaccrual collateral dependent loans in process of foreclosure	0		0
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	8,745,000		8,757,000
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	445,000		459,000
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	0		17,000
Commercial real estate loans | Commercial owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	2,037,000	2,304,000	2,778,000
Commercial real estate loans | Commercial owner-occupied | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	7,148,000		7,147,000
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	7,148,000		7,147,000
Commercial real estate loans | Commercial owner-occupied | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	0		0
Commercial real estate loans | Commercial owner-occupied | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	0		0
Commercial real estate loans | Commercial investor-owned
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	10,761,000	10,856,000	12,682,000
Commercial real estate loans | Commercial investor-owned | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	1,597,000		1,610,000
Allowance for credit losses	0		0
Commercial real estate loans | Commercial investor-owned | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	1,597,000		1,610,000
Commercial real estate loans | Commercial investor-owned | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	0		0
Commercial real estate loans | Commercial investor-owned | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	0		0
Residential loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	412,000	520,000	738,000
Residential loans | Home equity | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	445,000		459,000
Allowance for credit losses	0		0
Residential loans | Home equity | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	0		0
Residential loans | Home equity | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	445,000		459,000
Residential loans | Home equity | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual	0		0
Consumer loans | Installment and other consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	$ 238,000	$ 255,000	291,000
Consumer loans | Installment and other consumer loans | Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual			17,000
Allowance for credit losses			0
Consumer loans | Installment and other consumer loans | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual			0
Consumer loans | Installment and other consumer loans | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual			0
Consumer loans | Installment and other consumer loans | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual			$ 17,000

XML

Loans and Allowance for Credit Losses on Loans - Troubled Debt Restructuring Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended
	Aug. 12, 2021 USD ($) borrowingRelationship loan	Jun. 30, 2021 USD ($) borrowingRelationship loan	Jun. 30, 2020 loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of loans removed from TDR designation		0	0
Financing receivable, loan modifications under CARES Act, payment relief, number of borrowing relationships | borrowingRelationship		7
Financing receivable, loan modifications under CARES Act, payment relief		12
Financing receivable, modified under CARES Act, payment relief | $		$ 49.8
Financing receivable, weighted average loan-to-value ratio, modified under CARES Act, remaining payment relief		41.00%
Subsequent event
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, loan modifications under CARES Act during period, borrowing relationships, subsequently resumed payments | borrowingRelationship	1
Financing receivable, loan modifications under CARES Act during period, subsequently resumed payments	3
Financing receivable, modified under CARES Act during period, subsequently resumed payments | $	$ 6.4

XML

Loans and Allowance for Credit Losses on Loans - Troubled Debt Restructuring by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	$ 10,719	$ 12,506
Financing receivable, modifications, recorded investment, nonaccrual status	7,400	7,400
Unfunded commitments for TDR loans	845
Commercial loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	821	1,021
Commercial real estate loans | Commercial owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	7,148	7,147
Commercial real estate loans | Commercial investor-owned
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	1,729	3,305
Residential loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	276	281
Consumer loans | Installment and other consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment in troubled debt restructurings	$ 745	$ 752

XML

Loans and Allowance for Credit Losses on Loans - Troubled Debt Restructuring Modifications (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) contract	Jun. 30, 2020 USD ($) contract	Jun. 30, 2021 USD ($) contract loan	Jun. 30, 2020 USD ($) contract loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts Modified | contract	0	2	0	5
Pre-Modification Outstanding Recorded Investment	$ 0	$ 384	$ 0	$ 657
Post-Modification Outstanding Recorded Investment	0	384	0	649
Post-Modification Outstanding Recorded Investment at Period End	$ 0	$ 384	$ 0	$ 630
Number of modified TDR loans that defaulted | loan			0	0
Commercial and industrial | Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts Modified | contract				1
Pre-Modification Outstanding Recorded Investment				$ 170
Post-Modification Outstanding Recorded Investment				162
Post-Modification Outstanding Recorded Investment at Period End				$ 144
Home equity | Residential loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts Modified | contract		1		1
Pre-Modification Outstanding Recorded Investment		$ 276		$ 276
Post-Modification Outstanding Recorded Investment		276		276
Post-Modification Outstanding Recorded Investment at Period End		$ 276		$ 276
Installment and other consumer loans | Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts Modified | contract		1		3
Pre-Modification Outstanding Recorded Investment		$ 108		$ 211
Post-Modification Outstanding Recorded Investment		108		211
Post-Modification Outstanding Recorded Investment at Period End		$ 108		$ 210

XML

Loans and Allowance for Credit Losses on Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 19,958		$ 22,874
Provision (reversal) - CECL	(920)		(3,849)
Charge-offs	0		0
Recoveries	62		75
Ending balance	19,100		19,100
Beginning balance		$ 18,884		$ 16,677
Provision - incurred loss		2,000	(3,849)	4,200
Charge-offs		(20)		(20)
Recoveries		4		11
Ending balance		20,868		20,868
Commercial loans | Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,654		2,530
Provision (reversal) - CECL	(68)		(947)
Charge-offs	0		0
Recoveries	4		7
Ending balance	1,590		1,590
Beginning balance		2,784		2,334
Provision - incurred loss		(159)		287
Charge-offs		(20)		(20)
Recoveries		4		8
Ending balance		2,609		2,609
Commercial real estate loans | Commercial owner-occupied
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,304		2,778
Provision (reversal) - CECL	(267)		(741)
Charge-offs	0		0
Recoveries	0		0
Ending balance	2,037		2,037
Beginning balance		2,797		2,462
Provision - incurred loss		113		448
Charge-offs		0		0
Recoveries		0		0
Ending balance		2,910		2,910
Commercial real estate loans | Commercial investor-owned
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	10,856		12,682
Provision (reversal) - CECL	(95)		(1,921)
Charge-offs	0		0
Recoveries	0		0
Ending balance	10,761		10,761
Beginning balance		9,225		8,483
Provision - incurred loss		1,178		1,920
Charge-offs		0		0
Recoveries		0		0
Ending balance		10,403		10,403
Commercial real estate loans | Construction
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,312		1,557
Provision (reversal) - CECL	(178)		(433)
Charge-offs	0		0
Recoveries	8		18
Ending balance	1,142		1,142
Beginning balance		727		638
Provision - incurred loss		109		195
Charge-offs		0		0
Recoveries		0		3
Ending balance		836		836
Residential loans | Home equity
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	520		738
Provision (reversal) - CECL	(158)		(376)
Charge-offs	0		0
Recoveries	50		50
Ending balance	412		412
Beginning balance		982		850
Provision - incurred loss		62		194
Charge-offs		0		0
Recoveries		0		0
Ending balance		1,044		1,044
Residential loans | Other residential
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	757		998
Provision (reversal) - CECL	(144)		(385)
Charge-offs	0		0
Recoveries	0		0
Ending balance	613		613
Beginning balance		1,098		973
Provision - incurred loss		168		293
Charge-offs		0		0
Recoveries		0		0
Ending balance		1,266		1,266
Consumer loans | Installment and other consumer loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	255		291
Provision (reversal) - CECL	(17)		(53)
Charge-offs	0		0
Recoveries	0		0
Ending balance	238		238
Beginning balance		363		284
Provision - incurred loss		63		142
Charge-offs		0		0
Recoveries		0		0
Ending balance		426		426
Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,300		1,300
Provision (reversal) - CECL	7		1,007
Charge-offs	0		0
Recoveries	0		0
Ending balance	$ 2,307		$ 2,307
Beginning balance		908		653
Provision - incurred loss		466		721
Charge-offs		0		0
Recoveries		0		0
Ending balance		$ 1,374		$ 1,374

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Loans and Allowance for Credit Losses on Loans - Pledged Loans (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Financial Instruments Owned and Pledged as Collateral [Line Items]
Residential loans pledged for FRB borrowings	$ 1,092.0	$ 1,165.0
Other residential
Financial Instruments Owned and Pledged as Collateral [Line Items]
Pledged residential loan portfolio to secure borrowing with FRB	$ 113.0	$ 113.6

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Loans and Allowance for Credit Losses on Loans - Related Party (Details) - Directors, officers, principal shareholders and associates - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Related Party Transaction [Line Items]
Related party loans	$ 5.3	$ 6.4
Undisbursed commitment to related parties	$ 9.1	$ 9.1

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Borrowings and Other Obligations - Lines of Credit (Details) - Line of credit - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Federal home loan bank borrowings
Line of Credit Facility [Line Items]
Lines of credit	$ 629,900,000	$ 642,500,000
Federal home loan bank overnight borrowings
Line of Credit Facility [Line Items]
Amount of borrowings outstanding	0	0
Federal reserve line of credit
Line of Credit Facility [Line Items]
Lines of credit	77,600,000	78,700,000
Amount of borrowings outstanding	0	0
Unsecured debt | Federal funds purchased
Line of Credit Facility [Line Items]
Lines of credit	115,000,000.0	135,000,000.0
Amount of borrowings outstanding	$ 0	$ 0

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Borrowings and Other Obligations - Subordinated Debt (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Mar. 15, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2013
Debt Instrument [Line Items]
Accretion of discount on subordinated debenture			$ 1,347	$ 35
Subordinated debenture | NorCal Community Bancorp Trust II
Debt Instrument [Line Items]
Contractual value of subordinated debt					$ 4,100
Repayments of debt	$ 2,800
Effective interest rate	6.50%
Accretion of discount on subordinated debenture		$ 17	$ 1,300	$ 35

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Borrowings and Other Obligations - Other Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Present value of net minimum lease payments (lease liability)	$ 438	$ 58

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Stockholders' Equity - Narrative (Details) - USD ($)		3 Months Ended	6 Months Ended		16 Months Ended
	Jul. 16, 2021	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jan. 24, 2020	Apr. 23, 2018
Class of Stock [Line Items]
Shares withheld for tax withholding and exercise of options (in shares)			27,547	8,409
Amount of shares withheld for tax withholding and exercise of options			$ 1,100,000	$ 346,000
Shares withheld for tax withholding and exercise of options, weighted average price (in usd per share)			$ 38.87	$ 41.17
Share repurchase program, amount approved to repurchase						$ 25,000,000.0	$ 25,000,000.0
Stock repurchased, net of commissions		$ 10,754,000	$ 19,264,000	$ 3,230,000	$ 25,000,000.0
Subsequent event
Class of Stock [Line Items]
Dividends declared per common share (in usd per share)	$ 0.24
Share repurchase program, amount approved to repurchase	$ 25,000,000.0
Common Stock
Class of Stock [Line Items]
Stock repurchased, net of commissions (in shares)		297,935	521,948	92,664	691,519
Stock repurchased, net of commissions		$ 10,754,000	$ 19,264,000	$ 3,230,000
Performance-based stock awards
Class of Stock [Line Items]
Vesting period of performance-based stock awards			3 years
Performance-based stock awards | Minimum
Class of Stock [Line Items]
Vesting percentage of performance-based awards			0.00%
Performance-based stock awards | Maximum
Class of Stock [Line Items]
Vesting percentage of performance-based awards			200.00%

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Commitments and Contingencies - Off Balance Sheet Arrangements (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Total commitments and standby letters of credit
Other Commitments [Line Items]
Total commitments and standby letters of credit	$ 571,706	$ 529,132
Commercial lines of credit
Other Commitments [Line Items]
Total commitments and standby letters of credit	282,611	287,533
Revolving home equity lines
Other Commitments [Line Items]
Total commitments and standby letters of credit	201,986	189,035
Undisbursed construction loans
Other Commitments [Line Items]
Total commitments and standby letters of credit	73,757	41,033
Personal and other lines of credit
Other Commitments [Line Items]
Total commitments and standby letters of credit	10,185	9,567
Standby letters of credit
Other Commitments [Line Items]
Total commitments and standby letters of credit	$ 3,167	$ 1,964

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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2012	Dec. 31, 2020
Loss Contingencies [Line Items]
Unfunded commitments credit loss (reversal) provision		$ (612)		$ (1,200)
Litigation Matters
Restricted cash and cash equivalents	[1]	0	$ 0	0	$ 0
Unfunded Loan Commitment
Loss Contingencies [Line Items]
Unfunded commitments credit loss (reversal) provision			$ 260		$ 362
Visa Inc.
Litigation Matters
Settlement agreement amount						$ 4,000,000
Restricted cash and cash equivalents		$ 894,000		$ 894,000
Minimum
Loss Contingencies [Line Items]
Weighted average remaining term (in years)		1 year		1 year
Finance lease, initial contract terms (in years)		3 years		3 years
Maximum
Loss Contingencies [Line Items]
Weighted average remaining term (in years)		11 years		11 years
Finance lease, initial contract terms (in years)		4 years		4 years
Total commitments and standby letters of credit | Interest payable and other liabilities
Loss Contingencies [Line Items]
Allowance for off balance sheet commitments		$ 1,600		$ 1,600			$ 2,800

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

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Commitments and Contingencies - Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Operating leases:
Operating lease right-of-use assets	$ 23,506	$ 25,612
Operating lease liabilities	$ 24,919	$ 27,062
Finance leases:
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	Bank premises and equipment, net
Finance lease right-of-use assets	$ 473	$ 365
Accumulated amortization	(37)	(307)
Finance lease right-of-use assets, net	436	58
Finance lease liabilities	$ 438	$ 58

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Commitments and Contingencies - Noncash Investing and Financing Activities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract]
Right-of-use assets obtained in exchange for operating lease liabilities	$ 0	$ 14,030
Right-of-use assets obtained in exchange for finance lease liabilities	$ 412	$ 18

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Commitments and Contingencies - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract]
Operating lease cost	$ 1,164	$ 1,114	$ 2,328	$ 2,169
Variable lease cost	0	2	0	3
Total operating lease cost	1,164	1,116	2,328	2,172
Finance lease cost:
Amortization of right-of-use assets	7	44	34	88
Interest on finance lease liabilities	0	1	0	2
Total finance lease cost	7	45	34	90
Total lease cost	$ 1,171	$ 1,161	$ 2,362	$ 2,262

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Commitments and Contingencies - Lease Liability Maturity Schedule (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Operating Leases
2021	$ 2,246
2022	4,424
2023	4,004
2024	3,300
2025	2,876
Thereafter	9,867
Total minimum lease payments	26,717
Amounts representing interest (present value discount)	(1,798)
Present value of net minimum lease payments (lease liability)	$ 24,919	$ 27,062
Weighted average remaining term (in years)	7 years 6 months
Weighted average discount rate	1.79%
Finance Lease, Liability, Payment, Due [Abstract]
2021	$ 52
2022	118
2023	108
2024	104
2025	61
Thereafter	0
Total minimum lease payments	443
Amounts representing interest (present value discount)	(5)
Present value of net minimum lease payments (lease liability)	$ 438	$ 58
Weighted average remaining term (in years)	4 years
Weighted average discount rate	0.66%

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Derivative Financial Instruments and Hedging Activities - Narrative (Details) - Fair value hedge - Designated as hedging instrument $ in Thousands	Jun. 30, 2021 USD ($) derivative	Dec. 31, 2020 USD ($)
Derivatives, Fair Value [Line Items]
Interest rate swaps accrued interest | $	$ 10	$ 11
Interest rate swap
Derivatives, Fair Value [Line Items]
Number of instruments held | derivative	4

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Derivative Financial Instruments and Hedging Activities - Information on Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Carrying Amounts of Hedged Assets	$ 14,734		$ 14,734		$ 15,745
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Loans	1,216		1,216		1,753
Interest and fees on loans	21,429	$ 21,217	42,090	$ 42,104
Fair value hedge | Interest income
Derivatives, Fair Value [Line Items]
(Decrease) increase in fair value of designated interest rate swaps due to LIBOR interest rate movements	(170)	(63)	549	(1,504)
Payment on interest rate swaps	(93)	(96)	(185)	(146)
Increase (decrease) in fair value hedging adjustment of hedged loans	177	59	(537)	1,529
Decrease in value of yield maintenance agreement	(2)	(3)	(6)	(6)
Net losses on fair value hedging relationships recognized in interest income	(88)	$ (103)	(179)	$ (127)
Fair value hedge | Designated as hedging instrument | Interest rate swap | Asset Derivatives
Derivatives, Fair Value [Line Items]
Interest rate contracts notional amount, asset derivatives	0		0		0
Interest rate contracts fair value, asset derivatives	0		0		0
Fair value hedge | Designated as hedging instrument | Interest rate swap | Liability Derivatives
Derivatives, Fair Value [Line Items]
Interest rate contracts notional amount, liability derivatives	13,518		13,518		13,991
Interest rate contracts fair value, liability derivatives	$ 1,363		$ 1,363		$ 1,912

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Derivative Financial Instruments and Hedging Activities - Offsetting of Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gross amounts of recognized assets	$ 0	$ 0
Gross amounts offset in the statements of condition	0	0
Net amounts of assets presented in the statements of condition	0	0
Gross amounts not offset in the statements of condition, financial instruments	0	0
Gross amounts not offset in the statements of condition, cash collateral received	0	0
Net Amount	$ 0	$ 0

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Derivative Financial Instruments and Hedging Activities - Offsetting of Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gross amounts of recognized liabilities	$ 1,363	$ 1,912
Gross amounts offset in the statements of condition	0	0
Net amounts of liabilities presented in the statements of condition	1,363	1,912
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	(1,363)	(1,912)
Net Amount	$ 0	$ 0

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Merger Agreement - Narrative (Details) $ in Thousands	Jun. 30, 2021 USD ($)	Apr. 16, 2021 branch shares	Dec. 31, 2020 USD ($)
Business Combination, Separately Recognized Transactions [Line Items]
Assets	$ 3,073,818		$ 2,911,926
Deposits	2,683,575		2,504,249
Loans at amortized cost	2,002,767		$ 2,088,556
American River Bank (ARB) Merger | American River Bank (ARB)
Business Combination, Separately Recognized Transactions [Line Items]
Number of branches | branch		10
Assets	906,100
Deposits	787,700
Loans at amortized cost	$ 434,200
American River Bank (ARB) Merger | Bank of Marin
Business Combination, Separately Recognized Transactions [Line Items]
Merger agreement, shares exchange ratio (in shares) | shares		0.575