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Loans and Allowance for Credit Losses on Loans - Schedule of Allocation of the Allowance for Credit Losses on Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	$ 29,853	$ 29,854	$ 30,656	$ 30,675	$ 30,675	$ 25,172
Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	13,484		12,051
Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	9,005		10,512
Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	7,364		8,093
Commercial Portfolio Segment | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,893	1,608	1,576	1,718	1,876	1,712
Commercial Portfolio Segment | Commercial and industrial | Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,307		759
Commercial Portfolio Segment | Commercial and industrial | Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	543		672
Commercial Portfolio Segment | Commercial and industrial | Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	43		145
Commercial real estate loans | Commercial owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	2,465	2,402	2,361	2,345	2,408	2,476
Commercial real estate loans | Commercial owner-occupied | Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,599		1,241
Commercial real estate loans | Commercial owner-occupied | Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	866		1,120
Commercial real estate loans | Commercial owner-occupied | Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0		0
Commercial real estate loans | Commercial non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	21,157	21,516	22,093	22,100	22,165	14,933
Commercial real estate loans | Commercial non-owner occupied | Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	7,916		7,632
Commercial real estate loans | Commercial non-owner occupied | Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	5,940		6,528
Commercial real estate loans | Commercial non-owner occupied | Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	7,301		7,933
Commercial real estate loans | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	229	384	638	660	874	1,832
Commercial real estate loans | Construction | Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	39		41
Commercial real estate loans | Construction | Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	190		597
Commercial real estate loans | Construction | Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0		0
Residential Portfolio Segment | Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	767	783	684	647	650	552
Residential Portfolio Segment | Home equity | Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	701		620
Residential Portfolio Segment | Home equity | Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	66		64
Residential Portfolio Segment | Home equity | Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0		0
Residential Portfolio Segment | Other residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,190	1,110	1,141	1,145	769	653
Residential Portfolio Segment | Other residential | Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,168		1,133
Residential Portfolio Segment | Other residential | Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	2		8
Residential Portfolio Segment | Other residential | Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	20		0
Installment and other consumer loans | Installment and other consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	981	871	908	920	910	976
Installment and other consumer loans | Installment and other consumer loans | Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	754		625
Installment and other consumer loans | Installment and other consumer loans | Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	227		268
Installment and other consumer loans | Installment and other consumer loans | Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0		15
Unallocated
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,171	$ 1,180	1,255	$ 1,140	$ 1,023	$ 2,038
Unallocated | Modeled expected credit losses
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	0		0
Unallocated | Qualitative adjustments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	1,171		1,255
Unallocated | Specific allocations
Financing Receivable, Troubled Debt Restructuring [Line Items]
Allowance for credit losses	$ 0		$ 0

X

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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