Fair Value Measurements - Schedule of Estimated Fair Values (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Financial assets:
Investment securities available for sale	$ 545,210		$ 637,936
Marketable equity securities	12,957		13,153
Investment securities held to maturity	34,615		33,413
Mortgage servicing rights
Financial assets:
Servicing rights	21,570	$ 21,077	19,564	$ 19,396	$ 18,248	$ 18,635
Commercial servicing rights
Financial assets:
Servicing rights	2,136		2,200
Interest rate swaps
Financial assets:
Derivative assets	10,136		11,836
Financial liabilities:
Derivative liabilities	8,930		10,470
Interest rate lock commitments
Financial assets:
Derivative assets	1,327		342
Retail interest rate contracts
Financial liabilities:
Derivative liabilities	96		13
Level 1 inputs:
Financial assets:
Investment securities available for sale	265,039		310,896
Marketable equity securities	12,957		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: | Interest rate lock commitments
Financial assets:
Derivative assets	0		0
Level 1 inputs: | Retail interest rate contracts
Financial liabilities:
Derivative liabilities	0		0
Level 1 inputs: | Carrying Amount
Financial assets:
Cash, due from banks and deposits in other banks	102,876		118,530
Investment securities available for sale	265,039		310,896
Marketable equity securities	12,957		13,153
Level 1 inputs: | Fair Value
Financial assets:
Cash, due from banks and deposits in other banks	102,876		118,530
Investment securities available for sale	265,039		310,896
Marketable equity securities	12,957		13,153
Level 2 inputs:
Financial assets:
Investment securities available for sale	280,171		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	10,136		11,836
Financial liabilities:
Derivative liabilities	8,930		10,470
Level 2 inputs: | Interest rate lock commitments
Financial assets:
Derivative assets	0		0
Level 2 inputs: | Retail interest rate contracts
Financial liabilities:
Derivative liabilities	96		13
Level 2 inputs: | Carrying Amount
Financial assets:
Investment securities available for sale	280,171		327,040
Investment in Federal Home Loan Bank stock	4,318		2,980
Loans held for sale	97,937		31,974
Accrued interest receivable	12,909		11,958
Financial liabilities:
Deposits	2,625,567		2,485,055
Accrued interest payable	707		202
Borrowings	13,354		13,675
Level 2 inputs: | Carrying Amount | Interest rate swaps
Financial assets:
Derivative assets	10,568		11,836
Financial liabilities:
Derivative liabilities	8,930		10,470
Level 2 inputs: | Carrying Amount | Retail interest rate contracts
Financial liabilities:
Derivative liabilities	96		13
Level 2 inputs: | Fair Value
Financial assets:
Investment securities available for sale	280,171		327,040
Investment in Federal Home Loan Bank stock	4,318		2,980
Loans held for sale	97,937		31,974
Accrued interest receivable	12,909		11,958
Financial liabilities:
Deposits	2,628,018		2,482,937
Accrued interest payable	707		202
Borrowings	10,887		11,872
Level 2 inputs: | Fair Value | Interest rate swaps
Financial assets:
Derivative assets	10,568		11,836
Financial liabilities:
Derivative liabilities	8,930		10,470
Level 2 inputs: | Fair Value | Retail interest rate contracts
Financial liabilities:
Derivative liabilities	96		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	21,570		19,564
Level 3 inputs: | Commercial servicing rights
Financial assets:
Servicing rights	2,136		2,200
Level 3 inputs: | Interest rate swaps
Financial assets:
Derivative assets	0		0
Financial liabilities:
Derivative liabilities	0		0
Level 3 inputs: | Interest rate lock commitments
Financial assets:
Derivative assets	1,327		342
Level 3 inputs: | Retail interest rate contracts
Financial liabilities:
Derivative liabilities	0		0
Level 3 inputs: | Carrying Amount
Financial assets:
Investment securities held to maturity	36,750		36,750
Loans	2,007,565		1,789,497
Purchased receivables, net	23,564		36,842
Financial liabilities:
Junior subordinated debentures	10,310		10,310
Level 3 inputs: | Carrying Amount | Mortgage servicing rights
Financial assets:
Servicing rights	21,570		19,564
Level 3 inputs: | Carrying Amount | Commercial servicing rights
Financial assets:
Servicing rights	2,136		2,200
Level 3 inputs: | Carrying Amount | Interest rate lock commitments
Financial assets:
Derivative assets	1,327		342
Level 3 inputs: | Fair Value
Financial assets:
Investment securities held to maturity	34,615		33,413
Loans	1,827,510		1,686,362
Purchased receivables, net	23,564		36,842
Financial liabilities:
Junior subordinated debentures	11,971		12,030
Level 3 inputs: | Fair Value | Mortgage servicing rights
Financial assets:
Servicing rights	21,570		19,564
Level 3 inputs: | Fair Value | Commercial servicing rights
Financial assets:
Servicing rights	2,136		2,200
Level 3 inputs: | Fair Value | Interest rate lock commitments
Financial assets:
Derivative assets	$ 1,327		$ 342