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Allowance for Credit Losses - Schedule of Aging Analysis of Loan Modifications to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 4,937	$ 4,734
Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	4,115	4,156
30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	112
90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	822	466
Commercial and Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	509	628
Commercial and Industrial | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	505	618
Commercial and Industrial | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial and Industrial | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial and Industrial | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial and Industrial | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	4	10
Commercial and Industrial | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	509	628
Commercial and Industrial | Commercial and industrial other | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	505	618
Commercial and Industrial | Commercial and industrial other | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial and Industrial | Commercial and industrial other | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial and Industrial | Commercial and industrial other | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial and Industrial | Commercial and industrial other | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	4	10
Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	3,276	3,384
Commercial Real Estate | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	3,276	3,384
Commercial Real Estate | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	3,276	3,384
Commercial Real Estate | Commercial and industrial other | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	3,276	3,384
Commercial Real Estate | Commercial and industrial other | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Commercial and industrial other | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Commercial and industrial other | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial Real Estate | Commercial and industrial other | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,129	700
Residential Real Estate | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	311	154
Residential Real Estate | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential Real Estate | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	112
Residential Real Estate | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential Real Estate | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	818	434
Residential Real Estate | Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	50	40
Residential Real Estate | Home equity | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	50	0
Residential Real Estate | Home equity | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential Real Estate | Home equity | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential Real Estate | Home equity | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential Real Estate | Home equity | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	40
Residential Real Estate | Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,079	660
Residential Real Estate | Mortgages | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	261	154
Residential Real Estate | Mortgages | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential Real Estate | Mortgages | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	112
Residential Real Estate | Mortgages | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Residential Real Estate | Mortgages | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	818	394
Consumer and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	23	22
Consumer and Other | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	23	0
Consumer and Other | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer and Other | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer and Other | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer and Other | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	22
Consumer and Other | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	23	22
Consumer and Other | Commercial and industrial other | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	23	0
Consumer and Other | Commercial and industrial other | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer and Other | Commercial and industrial other | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer and Other | Commercial and industrial other | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer and Other | Commercial and industrial other | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 22

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