Fair Value Measurements - Schedule of Estimated Fair Values (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Financial assets:
Investment securities available for sale	$ 584,964		$ 637,936
Marketable equity securities	12,381		13,153
Investment securities held to maturity	33,709		33,413
Mortgage servicing rights
Financial assets:
Servicing rights	21,077	$ 20,055	19,564	$ 18,248	$ 18,303	$ 18,635
Commercial servicing rights
Financial assets:
Servicing rights	2,116		2,200
Interest rate swaps
Financial assets:
Derivative assets	14,228		11,836
Financial liabilities:
Derivative liabilities	12,534		10,470
Retail interest rate contracts
Financial assets:
Derivative assets	120
Financial liabilities:
Derivative liabilities			13
Interest rate lock commitments
Financial assets:
Derivative assets	1,059		342
Level 1 inputs:
Financial assets:
Investment securities available for sale	289,442		310,896
Marketable equity securities	12,381		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	54,422		118,530
Investment securities available for sale	289,442		310,896
Marketable equity securities	12,381		13,153
Level 1 inputs: | Fair Value
Financial assets:
Cash, due from banks and deposits in other banks	54,422		118,530
Investment securities available for sale	289,442		310,896
Marketable equity securities	12,381		13,153
Level 2 inputs:
Financial assets:
Investment securities available for sale	295,522		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	14,228		11,836
Financial liabilities:
Derivative liabilities	12,534		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	295,522		327,040
Investment in Federal Home Loan Bank stock	4,929		2,980
Loans held for sale	85,926		31,974
Accrued interest receivable	13,050		11,958
Financial liabilities:
Deposits	2,463,806		2,485,055
Accrued interest payable	697		202
Borrowings	43,961		13,675
Level 2 inputs: | Carrying Amount | Interest rate swaps
Financial assets:
Derivative assets	14,172		11,836
Financial liabilities:
Derivative liabilities	12,534		10,470
Level 2 inputs: | Carrying Amount | Retail interest rate contracts
Financial assets:
Derivative assets	120		0
Financial liabilities:
Derivative liabilities	0		13
Level 2 inputs: | Fair Value
Financial assets:
Investment securities available for sale	295,522		327,040
Investment in Federal Home Loan Bank stock	4,929		2,980
Loans held for sale	85,926		31,974
Accrued interest receivable	13,050		11,958
Financial liabilities:
Deposits	2,460,917		2,482,937
Accrued interest payable	697		202
Borrowings	40,874		11,872
Level 2 inputs: | Fair Value | Interest rate swaps
Financial assets:
Derivative assets	14,172		11,836
Financial liabilities:
Derivative liabilities	12,534		10,470
Level 2 inputs: | Fair Value | Retail interest rate contracts
Financial assets:
Derivative assets	120		0
Financial liabilities:
Derivative liabilities	0		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	21,077		19,564
Level 3 inputs: | Commercial servicing rights
Financial assets:
Servicing rights	2,116		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	120
Financial liabilities:
Derivative liabilities			0
Level 3 inputs: | Interest rate lock commitments
Financial assets:
Derivative assets	1,059		342
Level 3 inputs: | Carrying Amount
Financial assets:
Investment securities held to maturity	36,750		36,750
Loans	1,875,907		1,789,497
Purchased receivables, net	25,722		36,842
Financial liabilities:
Junior subordinated debentures	10,310		10,310
Level 3 inputs: | Carrying Amount | Mortgage servicing rights
Financial assets:
Servicing rights	21,077		19,564
Level 3 inputs: | Carrying Amount | Commercial servicing rights
Financial assets:
Servicing rights	2,116		2,200
Level 3 inputs: | Carrying Amount | Interest rate lock commitments
Financial assets:
Derivative assets	1,059		342
Level 3 inputs: | Fair Value
Financial assets:
Investment securities held to maturity	33,709		33,413
Loans	1,688,042		1,686,362
Purchased receivables, net	25,722		36,842
Financial liabilities:
Junior subordinated debentures	11,641		12,030
Level 3 inputs: | Fair Value | Mortgage servicing rights
Financial assets:
Servicing rights	21,077		19,564
Level 3 inputs: | Fair Value | Commercial servicing rights
Financial assets:
Servicing rights	2,116		2,200
Level 3 inputs: | Fair Value | Interest rate lock commitments
Financial assets:
Derivative assets	$ 1,059		$ 342