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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	$ 2,201,854	$ 2,255,645
Allowance for credit losses on loans	(22,547)	(23,023)	$ (19,958)	$ (22,874)
Total loans, net of allowance for credit losses on loans	2,179,307	2,232,622
Deferred loan fees	690	(901)
Unrecognized purchase discounts on non-PCI loans	2,600	2,500
Financing receivable, accrued interest, net	6,200	7,100
Commercial loans | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	248,625	301,602
Allowance for credit losses on loans	(1,784)	(1,709)	(1,654)	(2,530)
Commercial real estate loans | Commercial owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	391,924	392,345
Allowance for credit losses on loans	(2,622)	(2,776)	(2,304)	(2,778)
Commercial real estate loans | Commercial investor-owned
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	1,176,918	1,189,021
Allowance for credit losses on loans	(12,301)	(12,739)	(10,856)	(12,682)
Commercial real estate loans | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	131,015	119,840
Allowance for credit losses on loans	(1,717)	(1,653)	(1,312)	(1,557)
Residential loans | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	88,092	88,746
Allowance for credit losses on loans	(549)	(595)	(520)	(738)
Residential loans | Other residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	114,277	114,558
Allowance for credit losses on loans	(628)	(644)	(757)	(998)
Consumer loans | Installment and other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans at amortized cost	51,003	49,533
Allowance for credit losses on loans	$ (641)	$ (621)	$ (255)	$ (291)

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Amount of unrecognized purchase discounts from face amounts of acquired loans without evidence of credit deterioration, net of unamortized purchase premiums.

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