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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	$ 2,102,796		$ 2,092,546
Allowance for credit losses on loans	(23,832)	$ (23,330)	(22,983)	$ (22,539)	$ (22,547)	$ (23,023)
Total loans, net of allowance for credit losses on loans	2,078,964		2,069,563
Net deferred loan origination costs (fees)	2,400		1,800
Unrecognized purchase discounts on non-PCI loans	2,200		2,600
Financing receivable, accrued interest, net	6,000		6,100
Commercial loans | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	183,157		173,547
Allowance for credit losses on loans	(1,831)	(1,941)	(1,794)	(1,699)	(1,784)	(1,709)
Commercial real estate loans | Commercial owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	344,951		354,877
Allowance for credit losses on loans	(2,589)	(2,640)	(2,487)	(2,617)	(2,622)	(2,776)
Commercial real estate loans | Commercial non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	1,196,158		1,191,889
Allowance for credit losses on loans	(13,201)	(12,701)	(12,676)	(12,439)	(12,301)
Commercial real estate loans | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	108,986		114,373
Allowance for credit losses on loans	(1,942)	(2,019)	(1,937)	(1,737)	(1,717)	(1,653)
Residential loans | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	85,587		88,748
Allowance for credit losses on loans	(561)	(538)	(558)	(530)	(549)	(595)
Residential loans | Other residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	118,646		112,123
Allowance for credit losses on loans	(599)	(577)	(595)	(585)	(628)	(644)
Consumer loans | Installment and other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	65,311		56,989
Allowance for credit losses on loans	$ (940)	$ (882)	$ (868)	$ (733)	$ (641)	$ (621)

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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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