Fair Value Measurements - Schedule of Estimated Fair Values (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Financial assets:
Investment securities available for sale	$ 651,921		$ 426,684
Marketable equity securities	11,149		8,420
Investment securities held to maturity	31,694		19,164
Purchased receivables, net	4,785		6,987
Mortgage servicing rights
Financial assets:
Servicing rights	17,709	$ 16,301	13,724	$ 13,080	$ 12,835	$ 11,218
Commercial servicing rights
Financial assets:
Servicing rights	1,067		1,084
Interest rate swaps
Financial assets:
Derivative assets	14,856		6,030
Financial liabilities:
Derivative liabilities	13,374		6,985
Retail interest rate contracts
Financial assets:
Derivative assets	593		166
Interest rate lock commitments
Financial assets:
Derivative assets	354		1,387
Level 1 inputs:
Financial assets:
Investment securities available for sale	361,802		141,531
Marketable equity securities	11,149		8,420
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		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	406,921		645,827
Investment securities available for sale	361,802		141,531
Marketable equity securities	11,149		8,420
Level 1 inputs: | Fair Value
Financial assets:
Cash, due from banks and deposits in other banks	406,921		645,827
Investment securities available for sale	361,802		141,531
Marketable equity securities	11,149		8,420
Level 2 inputs:
Financial assets:
Investment securities available for sale	290,119		285,153
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	14,856		6,030
Financial liabilities:
Derivative liabilities	13,374		6,985
Level 2 inputs: | Retail interest rate contracts
Financial assets:
Derivative assets	0		166
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	290,119		285,153
Investment in Federal Home Loan Bank stock	3,820		3,107
Loans held for sale	49,356		73,650
Accrued interest receivable	8,495		6,846
Financial liabilities:
Deposits	2,439,335		2,421,631
Borrowings	14,199		14,508
Accrued interest payable	135		31
Level 2 inputs: | Carrying Amount | Interest rate swaps
Financial assets:
Derivative assets	14,856		6,030
Financial liabilities:
Derivative liabilities	13,374		6,985
Level 2 inputs: | Carrying Amount | Retail interest rate contracts
Financial assets:
Derivative assets	593		166
Level 2 inputs: | Fair Value
Financial assets:
Investment securities available for sale	290,119		285,153
Investment in Federal Home Loan Bank stock	3,820		3,107
Loans held for sale	49,356		73,650
Accrued interest receivable	8,495		6,846
Financial liabilities:
Deposits	2,435,738		2,422,215
Borrowings	11,883		14,727
Accrued interest payable	135		31
Level 2 inputs: | Fair Value | Interest rate swaps
Financial assets:
Derivative assets	14,856		6,030
Financial liabilities:
Derivative liabilities	13,374		6,985
Level 2 inputs: | Fair Value | Retail interest rate contracts
Financial assets:
Derivative assets	593		166
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	17,709		13,724
Level 3 inputs: | Commercial servicing rights
Financial assets:
Servicing rights	1,067		1,084
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	593		0
Level 3 inputs: | Interest rate lock commitments
Financial assets:
Derivative assets	354		1,387
Level 3 inputs: | Carrying Amount
Financial assets:
Investment securities held to maturity	36,750		20,000
Loans	1,407,266		1,413,886
Purchased receivables, net	4,785		6,987
Financial liabilities:
Junior subordinated debentures	10,310		10,310
Level 3 inputs: | Carrying Amount | Mortgage servicing rights
Financial assets:
Servicing rights	17,709		13,724
Level 3 inputs: | Carrying Amount | Commercial servicing rights
Financial assets:
Servicing rights	1,067		1,084
Level 3 inputs: | Carrying Amount | Interest rate lock commitments
Financial assets:
Derivative assets	354		1,387
Level 3 inputs: | Fair Value
Financial assets:
Investment securities held to maturity	31,694		19,164
Loans	1,313,253		1,396,486
Purchased receivables, net	4,785		6,987
Financial liabilities:
Junior subordinated debentures	10,047		9,727
Level 3 inputs: | Fair Value | Mortgage servicing rights
Financial assets:
Servicing rights	17,709		13,724
Level 3 inputs: | Fair Value | Commercial servicing rights
Financial assets:
Servicing rights	1,067		1,084
Level 3 inputs: | Fair Value | Interest rate lock commitments
Financial assets:
Derivative assets	$ 354		$ 1,387