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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Class (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	$ 2,090,091		$ 2,073,720
Allowance for credit losses on loans	(30,675)	$ (30,675)	(25,172)	$ (24,260)	$ (23,832)	$ (22,983)
Loans, net of allowance for credit losses on loans	2,059,416		2,048,548
Financing receivable, unamortized loan fee	2,500		2,700
Unrecognized purchase discounts	1,100		2,000
Financing receivable, accrued interest, net	$ 6,700		$ 6,600
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 loans \| Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	$ 160,390		$ 153,750
Allowance for credit losses on loans	(1,718)	(1,876)	(1,712)	(1,808)	(1,831)	(1,794)
Commercial real estate loans \| Commercial owner-occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	318,712		333,181
Allowance for credit losses on loans	(2,345)	(2,408)	(2,476)	(2,530)	(2,589)	(2,487)
Commercial real estate loans \| Commercial non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	1,266,377		1,219,385
Allowance for credit losses on loans	(22,100)	(22,165)	(14,933)	(13,624)	(13,201)	(12,676)
Commercial real estate loans \| Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	39,326		99,164
Allowance for credit losses on loans	(660)	(874)	(1,832)	(2,018)	(1,942)	(1,937)
Residential loans \| Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	86,479		82,087
Allowance for credit losses on loans	(647)	(650)	(552)	(565)	(561)	(558)
Residential loans \| Other residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	150,573		118,508
Allowance for credit losses on loans	(1,145)	(769)	(653)	(605)	(599)	(595)
Consumer loans \| Installment and other consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans, at amortized cost	68,234		67,645
Allowance for credit losses on loans	$ (920)	$ (910)	$ (976)	$ (951)	$ (940)	$ (868)