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Loans and Allowance for Credit Losses - Components of loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Jan. 01, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Components of loans
Total Loans, Gross	$ 3,722,271			$ 3,569,446
Allowance for Credit Losses	(50,585)	$ (50,701)	$ (48,646)	(47,996)	$ (46,491)	$ (44,711)	$ (40,020)
Net Deferred Loan Fees	(7,222)			(9,293)
Total Loans, Net	3,664,464			3,512,157
Commercial
Components of loans
Total Loans, Gross	459,063			435,344
Allowance for Credit Losses	(5,496)	(5,439)	(5,343)	(6,500)	(6,348)	(6,275)	(6,256)
Paycheck Protection Program (PPP), CARES Act
Components of loans
Total Loans, Gross	791			1,049
Allowance for Credit Losses				(1)	(1)	(2)	(13)
Construction and Land Development
Components of loans
Total Loans, Gross	294,818			295,554
Allowance for Credit Losses	(2,772)	(3,476)	(2,841)	(3,911)	(3,771)	(4,134)	(3,139)
1-4 Family Construction
Components of loans
Total Loans, Gross	64,463			70,242
Allowance for Credit Losses	(574)	(654)	(610)	(845)	(698)	(638)	(618)
Real Estate Mortgage
Components of loans
Total Loans, Gross	2,894,133			2,759,125
1-4 Family Mortgage
Components of loans
Total Loans, Gross	404,716			355,474
Allowance for Credit Losses	(2,860)	(2,836)	(2,547)	(4,325)	(4,230)	(4,206)	(3,757)
Multifamily
Components of loans
Total Loans, Gross	1,378,669			1,306,738
Allowance for Credit Losses	(22,216)	(21,164)	(20,777)	(17,459)	(16,822)	(14,977)	(12,610)
CRE Owner Occupied
Components of loans
Total Loans, Gross	159,485			149,905
Allowance for Credit Losses	(1,089)	(1,086)	(1,022)	(1,965)	(2,027)	(1,920)	(1,495)
CRE Non-owner Occupied
Components of loans
Total Loans, Gross	951,263			947,008
Allowance for Credit Losses	(15,512)	(15,976)	(15,445)	(12,576)	(12,282)	(12,235)	(11,335)
Consumer and other
Components of loans
Total Loans, Gross	9,003			8,132
Allowance for Credit Losses	$ (66)	$ (70)	$ (61)	$ (151)	$ (163)	$ (154)	$ (147)

X

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Amount of unamortized loan commitment, origination, and other costs (fees) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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