Fair Value Measurements - Schedule of Estimated Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Financial assets:
Investment securities available for sale	$ 592,479	$ 637,936
Marketable equity securities	13,467	13,153
Investment securities held to maturity	33,341	33,413
Mortgage servicing rights
Financial assets:
Servicing rights	20,055	19,564	$ 18,303	$ 18,635
Commercial servicing rights
Financial assets:
Servicing rights	2,100	2,200
Interest rate swaps
Financial assets:
Derivative assets	14,087	11,836
Financial liabilities:
Derivative liabilities	12,449	10,470
Retail interest rate contracts
Financial assets:
Derivative assets	0
Financial liabilities:
Derivative liabilities		13
Interest rate lock commitments
Financial assets:
Derivative assets	765	342
Level 1 inputs:
Financial assets:
Investment securities available for sale	288,320	310,896
Marketable equity securities	13,467	13,153
Level 1 inputs: | Mortgage servicing rights
Financial assets:
Servicing rights	0	0
Level 1 inputs: | Commercial servicing rights
Financial assets:
Servicing rights	0	0
Level 1 inputs: | Interest rate swaps
Financial assets:
Derivative assets	0	0
Financial liabilities:
Derivative liabilities	0	0
Level 1 inputs: | Retail interest rate contracts
Financial assets:
Derivative assets	0
Financial liabilities:
Derivative liabilities		0
Level 1 inputs: | Interest rate lock commitments
Financial assets:
Derivative assets	0	0
Level 1 inputs: | Carrying Amount
Financial assets:
Cash, due from banks and deposits in other banks	80,364	118,530
Investment securities available for sale	288,320	310,896
Marketable equity securities	13,467	13,153
Level 1 inputs: | Fair Value
Financial assets:
Cash, due from banks and deposits in other banks	80,364	118,530
Investment securities available for sale	288,320	310,896
Marketable equity securities	13,467	13,153
Level 2 inputs:
Financial assets:
Investment securities available for sale	304,159	327,040
Marketable equity securities	0	0
Level 2 inputs: | Mortgage servicing rights
Financial assets:
Servicing rights	0	0
Level 2 inputs: | Commercial servicing rights
Financial assets:
Servicing rights	0	0
Level 2 inputs: | Interest rate swaps
Financial assets:
Derivative assets	14,087	11,836
Financial liabilities:
Derivative liabilities	12,449	10,470
Level 2 inputs: | Retail interest rate contracts
Financial assets:
Derivative assets	0
Financial liabilities:
Derivative liabilities		13
Level 2 inputs: | Interest rate lock commitments
Financial assets:
Derivative assets	0	0
Level 2 inputs: | Carrying Amount
Financial assets:
Investment securities available for sale	304,159	327,040
Investment in Federal Home Loan Bank stock	3,236	2,980
Loans held for sale	43,818	31,974
Accrued interest receivable	13,261	11,958
Financial liabilities:
Deposits	2,434,083	2,485,055
Accrued interest payable	390	202
Borrowings	13,569	13,675
Level 2 inputs: | Carrying Amount | Interest rate swaps
Financial assets:
Derivative assets	14,087	11,836
Financial liabilities:
Derivative liabilities	12,449	10,470
Level 2 inputs: | Carrying Amount | Retail interest rate contracts
Financial liabilities:
Derivative liabilities	11	13
Level 2 inputs: | Fair Value
Financial assets:
Investment securities available for sale	304,159	327,040
Investment in Federal Home Loan Bank stock	3,236	2,980
Loans held for sale	43,818	31,974
Accrued interest receivable	13,261	11,958
Financial liabilities:
Deposits	2,430,784	2,482,937
Accrued interest payable	390	202
Borrowings	11,558	11,872
Level 2 inputs: | Fair Value | Interest rate swaps
Financial assets:
Derivative assets	14,087	11,836
Financial liabilities:
Derivative liabilities	12,449	10,470
Level 2 inputs: | Fair Value | Retail interest rate contracts
Financial liabilities:
Derivative liabilities	11	13
Level 3 inputs:
Financial assets:
Investment securities available for sale	0	0
Marketable equity securities	0	0
Level 3 inputs: | Mortgage servicing rights
Financial assets:
Servicing rights	20,055	19,564
Level 3 inputs: | Commercial servicing rights
Financial assets:
Servicing rights	2,100	2,200
Level 3 inputs: | Interest rate swaps
Financial assets:
Derivative assets	0	0
Financial liabilities:
Derivative liabilities	0	0
Level 3 inputs: | Retail interest rate contracts
Financial assets:
Derivative assets	0
Financial liabilities:
Derivative liabilities		0
Level 3 inputs: | Interest rate lock commitments
Financial assets:
Derivative assets	765	342
Level 3 inputs: | Carrying Amount
Financial assets:
Investment securities held to maturity	36,750	36,750
Loans	1,811,135	1,789,497
Purchased receivables, net	37,698	36,842
Financial liabilities:
Junior subordinated debentures	10,310	10,310
Level 3 inputs: | Carrying Amount | Mortgage servicing rights
Financial assets:
Servicing rights	20,055	19,564
Level 3 inputs: | Carrying Amount | Commercial servicing rights
Financial assets:
Servicing rights	2,100	2,200
Level 3 inputs: | Carrying Amount | Interest rate lock commitments
Financial assets:
Derivative assets	765	342
Level 3 inputs: | Fair Value
Financial assets:
Investment securities held to maturity	33,341	33,413
Loans	1,701,453	1,686,362
Purchased receivables, net	37,698	36,842
Financial liabilities:
Junior subordinated debentures	11,588	12,030
Level 3 inputs: | Fair Value | Mortgage servicing rights
Financial assets:
Servicing rights	20,055	19,564
Level 3 inputs: | Fair Value | Commercial servicing rights
Financial assets:
Servicing rights	2,100	2,200
Level 3 inputs: | Fair Value | Interest rate lock commitments
Financial assets:
Derivative assets	$ 765	$ 342