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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of unamortized loan commitment, origination, and other fees (costs) and purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.

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Amount of unamortized purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.

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Loans Receivable - Loan Origination/Risk Management (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) segment	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable	$ 15,908		$ 14,657
Number of loan segments \| segment	4
Loans receivable	$ 3,874,064		3,815,662
Allowance for credit losses on loans	39,696	$ 40,333	42,361	$ 51,562	$ 64,225	$ 70,185
Loans and Leases Receivable, Net Amount	3,834,368		3,773,301
Financing Receivable, Unamortized Purchase Premium (Discount)	3,084		3,938
Financing Receivable, Unamortized Loan Fee (Cost) and Purchase Premium (Discount)	4,947		7,954
Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable	9,500		10,100
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,176,657		3,191,656
Allowance for credit losses on loans	31,707	31,932	33,049	36,677	45,204	49,608
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	698,828		621,567
Allowance for credit losses on loans	14,033	15,265	17,777	17,485	21,770	30,010
Commercial Portfolio Segment [Member] \| Owner Occupied Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	950,699		931,150
Allowance for credit losses on loans	8,162	7,085	6,411	8,562	10,464	9,486
Commercial Portfolio Segment [Member] \| Non Owner Occupied Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,515,796		1,493,099
Allowance for credit losses on loans	9,512	9,582	8,861	10,630	12,970	10,112
Commercial Portfolio Segment [Member] \| Paycheck Protection Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	11,334		145,840
Commercial Portfolio Segment [Member] \| SBA PPP Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	11,334		145,840
Residential Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	265,382		164,582
Allowance for credit losses on loans	2,137	1,803	1,409	1,153	1,402	1,591
Real Estate Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	218,606		226,883
Allowance for credit losses on loans	3,284	4,299	5,276	10,471	13,271	13,092
Real Estate Construction and Land Development \| One-to-four Family Real Estate Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	90,546		85,547
Allowance for credit losses on loans	1,081	1,124	1,304	1,636	2,048	1,951
Real Estate Construction and Land Development \| Five or More Family Residential and Commercial Properties [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	128,060		141,336
Allowance for credit losses on loans	2,203	3,175	3,972	8,835	11,223	11,141
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	213,419		232,541
Allowance for credit losses on loans	$ 2,568	$ 2,299	$ 2,627	$ 3,261	$ 4,348	$ 5,894