Fair Value Measurements - Schedule of Estimated Fair Values (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Financial assets:
Investment securities available for sale	$ 671,139		$ 677,029
Marketable equity securities	10,604		10,740
Investment securities held to maturity	32,600		32,639
Mortgage servicing rights
Financial assets:
Servicing rights	18,248	$ 18,303	18,635	$ 16,301	$ 15,422	$ 13,724
Commercial servicing rights
Financial assets:
Servicing rights	2,139		2,129
Interest rate swaps
Financial assets:
Derivative assets	13,556		14,178
Financial liabilities:
Derivative liabilities	12,401		12,725
Retail interest rate contracts
Financial assets:
Derivative assets	122
Financial liabilities:
Derivative liabilities			3
Interest rate lock commitments
Financial assets:
Derivative assets	851		440
Level 1 inputs:
Financial assets:
Investment securities available for sale	347,171		356,837
Marketable equity securities	10,604		10,740
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	36,752		259,350
Investment securities available for sale	347,171		356,837
Marketable equity securities	10,604		10,740
Level 1 inputs: | Fair Value
Financial assets:
Cash, due from banks and deposits in other banks	36,752		259,350
Investment securities available for sale	347,171		356,837
Marketable equity securities	10,604		10,740
Level 2 inputs:
Financial assets:
Investment securities available for sale	323,968		320,192
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	13,556		14,178
Financial liabilities:
Derivative liabilities	12,401		12,725
Level 2 inputs: | Retail interest rate contracts
Financial assets:
Derivative assets	122
Financial liabilities:
Derivative liabilities			3
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	323,968		320,192
Investment in Federal Home Loan Bank stock	5,858		3,816
Loans held for sale	60,759		27,538
Financial liabilities:
Deposits	2,302,311		2,387,211
Borrowings	64,887		14,095
Level 2 inputs: | Carrying Amount | Interest rate swaps
Financial assets:
Derivative assets	13,883		14,179
Financial liabilities:
Derivative liabilities	12,401		12,725
Level 2 inputs: | Carrying Amount | Retail interest rate contracts
Financial assets:
Derivative assets	122		0
Financial liabilities:
Derivative liabilities	0		3
Level 2 inputs: | Fair Value
Financial assets:
Investment securities available for sale	323,968		320,192
Investment in Federal Home Loan Bank stock	5,858		3,816
Loans held for sale	60,759		27,538
Financial liabilities:
Deposits	2,298,145		2,383,975
Borrowings	63,041		12,382
Level 2 inputs: | Fair Value | Interest rate swaps
Financial assets:
Derivative assets	13,883		14,179
Financial liabilities:
Derivative liabilities	12,401		12,725
Level 2 inputs: | Fair Value | Retail interest rate contracts
Financial assets:
Derivative assets	122		0
Financial liabilities:
Derivative liabilities	0		3
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	18,248		18,635
Level 3 inputs: | Commercial servicing rights
Financial assets:
Servicing rights	2,139		2,129
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	851		440
Level 3 inputs: | Carrying Amount
Financial assets:
Investment securities held to maturity	36,750		36,750
Loans individually measured for credit losses	1,659,239		1,501,785
Purchased receivables, net	21,866		19,994
Financial liabilities:
Junior subordinated debentures	10,310		10,310
Level 3 inputs: | Carrying Amount | Mortgage servicing rights
Financial assets:
Servicing rights	18,248		18,635
Level 3 inputs: | Carrying Amount | Commercial servicing rights
Financial assets:
Servicing rights	2,139		2,129
Level 3 inputs: | Carrying Amount | Interest rate lock commitments
Financial assets:
Derivative assets	851		440
Level 3 inputs: | Fair Value
Financial assets:
Investment securities held to maturity	32,600		32,639
Loans individually measured for credit losses	1,549,359		1,408,350
Purchased receivables, net	21,866		19,994
Financial liabilities:
Junior subordinated debentures	11,700		11,266
Level 3 inputs: | Fair Value | Mortgage servicing rights
Financial assets:
Servicing rights	18,248		18,635
Level 3 inputs: | Fair Value | Commercial servicing rights
Financial assets:
Servicing rights	2,139		2,129
Level 3 inputs: | Fair Value | Interest rate lock commitments
Financial assets:
Derivative assets	$ 851		$ 440