Fair Value Measurements - Schedule of Estimated Fair Values (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Financial assets:
Investment securities available for sale	$ 612,027		$ 426,684
Marketable equity securities	9,122		8,420
Investment securities held to maturity	26,371		19,164
Purchased receivables, net	15,277		6,987
Mortgage servicing rights
Financial assets:
Servicing rights	16,301	$ 15,422	13,724	$ 12,835	$ 11,657	$ 11,218
Commercial servicing rights
Financial assets:
Servicing rights	1,069		1,084
Interest rate swaps
Financial assets:
Derivative assets	8,316		6,030
Financial liabilities:
Derivative liabilities	8,316		6,985
Retail interest rate contracts
Financial assets:
Derivative assets			166
Financial liabilities:
Derivative liabilities	376
Interest rate lock commitments
Financial assets:
Derivative assets	2,567		1,387
Level 1 inputs:
Financial assets:
Investment securities available for sale	313,082		141,531
Marketable equity securities	9,122		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
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	336,923		645,827
Investment securities available for sale	313,082		141,531
Marketable equity securities	9,122		8,420
Level 1 inputs: | Fair Value
Financial assets:
Cash, due from banks and deposits in other banks	336,923		645,827
Investment securities available for sale	313,082		141,531
Marketable equity securities	9,122		8,420
Level 2 inputs:
Financial assets:
Investment securities available for sale	298,945		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	8,316		6,030
Financial liabilities:
Derivative liabilities	8,316		6,985
Level 2 inputs: | Retail interest rate contracts
Financial assets:
Derivative assets			166
Financial liabilities:
Derivative liabilities	376
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	298,945		285,153
Investment in Federal Home Loan Bank stock	3,824		3,107
Loans held for sale	63,080		73,650
Accrued interest receivable	8,117		6,846
Financial liabilities:
Deposits	2,335,390		2,421,631
Borrowings	14,302		14,508
Accrued interest payable	94		31
Level 2 inputs: | Carrying Amount | Interest rate swaps
Financial assets:
Derivative assets	8,316		6,030
Financial liabilities:
Derivative liabilities	8,316		6,985
Level 2 inputs: | Carrying Amount | Retail interest rate contracts
Financial assets:
Derivative assets	0		166
Level 2 inputs: | Fair Value
Financial assets:
Investment securities available for sale	298,945		285,153
Investment in Federal Home Loan Bank stock	3,824		3,107
Loans held for sale	63,080		73,650
Accrued interest receivable	8,117		6,846
Financial liabilities:
Deposits	2,332,869		2,422,215
Borrowings	12,907		14,727
Accrued interest payable	94		31
Level 2 inputs: | Fair Value | Interest rate swaps
Financial assets:
Derivative assets	8,316		6,030
Financial liabilities:
Derivative liabilities	8,316		6,985
Level 2 inputs: | Fair Value | Retail interest rate contracts
Financial assets:
Derivative assets	0		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	16,301		13,724
Level 3 inputs: | Commercial servicing rights
Financial assets:
Servicing rights	1,069		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			0
Financial liabilities:
Derivative liabilities	0
Level 3 inputs: | Interest rate lock commitments
Financial assets:
Derivative assets	2,567		1,387
Level 3 inputs: | Carrying Amount
Financial assets:
Investment securities held to maturity	29,750		20,000
Loans	1,405,709		1,413,886
Purchased receivables, net	15,277		6,987
Financial liabilities:
Junior subordinated debentures	10,310		10,310
Level 3 inputs: | Carrying Amount | Mortgage servicing rights
Financial assets:
Servicing rights	16,301		13,724
Level 3 inputs: | Carrying Amount | Commercial servicing rights
Financial assets:
Servicing rights	1,069		1,084
Level 3 inputs: | Carrying Amount | Interest rate lock commitments
Financial assets:
Derivative assets	2,567		1,387
Level 3 inputs: | Fair Value
Financial assets:
Investment securities held to maturity	26,371		19,164
Loans	1,342,962		1,396,486
Purchased receivables, net	15,277		6,987
Financial liabilities:
Junior subordinated debentures	9,578		9,727
Level 3 inputs: | Fair Value | Mortgage servicing rights
Financial assets:
Servicing rights	16,301		13,724
Level 3 inputs: | Fair Value | Commercial servicing rights
Financial assets:
Servicing rights	1,069		1,084
Level 3 inputs: | Fair Value | Interest rate lock commitments
Financial assets:
Derivative assets	$ 2,567		$ 1,387