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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans, at amortized cost	$ 2,100,976		$ 2,120,853
Allowance for credit losses on loans	(22,464)	$ (22,823)	(30,089)	$ (29,854)	$ (29,906)	$ (30,656)
Loans, net of allowance for credit losses on loans	2,078,512		2,090,764
Financing receivable, unamortized loan fee	2,000		2,200
Unrecognized purchase discounts	977		952
Financing receivable, accrued interest, net	$ 6,900		$ 6,800
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest receivable and other assets		Interest receivable and other assets
Commercial and industrial \| Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans, at amortized cost	$ 162,434		$ 159,898
Allowance for credit losses on loans	(2,074)	(2,014)	(2,089)	(1,608)	(1,508)	(1,576)
Commercial real estate loans \| Commercial owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans, at amortized cost	288,744		310,219
Allowance for credit losses on loans	(2,249)	(2,452)	(2,454)	(2,402)	(2,319)	(2,361)
Commercial real estate loans \| Commercial non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans, at amortized cost	1,373,990		1,366,251
Allowance for credit losses on loans	(14,114)	(14,327)	(21,477)	(21,516)	(21,761)	(22,093)
Commercial real estate loans \| Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans, at amortized cost	16,317		15,101
Allowance for credit losses on loans	(243)	(204)	(199)	(384)	(416)	(638)
Residential Portfolio Segment \| Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans, at amortized cost	101,404		99,222
Allowance for credit losses on loans	(784)	(764)	(803)	(783)	(698)	(684)
Residential Portfolio Segment \| Other residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans, at amortized cost	100,710		110,614
Allowance for credit losses on loans	(902)	(974)	(1,079)	(1,110)	(1,074)	(1,141)
Installment and other consumer loans \| Installment and other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans, at amortized cost	57,377		59,548
Allowance for credit losses on loans	$ (758)	$ (745)	$ (803)	$ (871)	$ (884)	$ (908)