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Allowance for Credit Losses - Aging Analysis of Loan Modifications with Financial Difficulty (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 4,543
Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	4,136
30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	407
Commercial and Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	577
Commercial and Industrial | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	565
Commercial and Industrial | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial and Industrial | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial and Industrial | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial and Industrial | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	12
Commercial and Industrial | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	577
Commercial and Industrial | Commercial and industrial other | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	565
Commercial and Industrial | Commercial and industrial other | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial and Industrial | Commercial and industrial other | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial and Industrial | Commercial and industrial other | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial and Industrial | Commercial and industrial other | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	12
Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	3,416
Commercial Real Estate | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	3,416
Commercial Real Estate | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial Real Estate | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial Real Estate | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial Real Estate | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial Real Estate | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	3,416
Commercial Real Estate | Commercial and industrial other | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	3,416
Commercial Real Estate | Commercial and industrial other | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial Real Estate | Commercial and industrial other | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial Real Estate | Commercial and industrial other | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Commercial Real Estate | Commercial and industrial other | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	527
Residential Real Estate | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	155
Residential Real Estate | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	372
Residential Real Estate | Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	486
Residential Real Estate | Mortgages | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	155
Residential Real Estate | Mortgages | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | Mortgages | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | Mortgages | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | Mortgages | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	331
Residential Real Estate | Home Equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	41
Residential Real Estate | Home Equity | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | Home Equity | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | Home Equity | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | Home Equity | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Residential Real Estate | Home Equity | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	41
Consumer and Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	23
Consumer and Other | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Consumer and Other | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Consumer and Other | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Consumer and Other | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Consumer and Other | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	23
Consumer and Other | Commercial and industrial other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	23
Consumer and Other | Commercial and industrial other | Current Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Consumer and Other | Commercial and industrial other | 30-59 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Consumer and Other | Commercial and industrial other | 60-89 Days
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Consumer and Other | Commercial and industrial other | 90 Days or More
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0
Consumer and Other | Commercial and industrial other | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 23

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