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Allowance for Credit Losses - Loan Modifications with Financial Difficulty (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 4,739	$ 4,734
% of Total Class of Loans and Leases	0.08%	0.08%
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 30	$ 32
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	3,410	3,453
Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	243	262
Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	1,056	987
Commercial and Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 577	$ 628
% of Total Class of Loans and Leases	0.06%	0.07%
Commercial and Industrial | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 8	$ 10
Commercial and Industrial | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	453	463
Commercial and Industrial | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Commercial and Industrial | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	94	110
Commercial and Industrial | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	22	45
Commercial and Industrial | Commercial real estate other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 577	$ 628
% of Total Class of Loans and Leases	0.07%	0.07%
Commercial and Industrial | Commercial real estate other | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 8	$ 10
Commercial and Industrial | Commercial real estate other | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	453	463
Commercial and Industrial | Commercial real estate other | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Commercial and Industrial | Commercial real estate other | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	94	110
Commercial and Industrial | Commercial real estate other | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	22	45
Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 3,348	$ 3,384
% of Total Class of Loans and Leases	0.10%	0.10%
Commercial Real Estate | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 0	$ 0
Commercial Real Estate | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	2,957	2,990
Commercial Real Estate | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Commercial Real Estate | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Commercial Real Estate | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	391	394
Commercial Real Estate | Commercial real estate other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 3,348	$ 3,384
% of Total Class of Loans and Leases	0.12%	0.12%
Commercial Real Estate | Commercial real estate other | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 0	$ 0
Commercial Real Estate | Commercial real estate other | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	2,957	2,990
Commercial Real Estate | Commercial real estate other | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Commercial Real Estate | Commercial real estate other | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Commercial Real Estate | Commercial real estate other | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	391	394
Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 792	$ 700
% of Total Class of Loans and Leases	0.05%	0.04%
Residential Real Estate | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 0	$ 0
Residential Real Estate | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Residential Real Estate | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Residential Real Estate | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	149	152
Residential Real Estate | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	643	548
Residential Real Estate | Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 38	$ 40
% of Total Class of Loans and Leases	0.02%	0.02%
Residential Real Estate | Home equity | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 0	$ 0
Residential Real Estate | Home equity | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Residential Real Estate | Home equity | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Residential Real Estate | Home equity | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	38	40
Residential Real Estate | Home equity | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Residential Real Estate | Mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 754	$ 660
% of Total Class of Loans and Leases	0.06%	0.05%
Residential Real Estate | Mortgages | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 0	$ 0
Residential Real Estate | Mortgages | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Residential Real Estate | Mortgages | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Residential Real Estate | Mortgages | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	111	112
Residential Real Estate | Mortgages | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	643	548
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 22	$ 22
% of Total Class of Loans and Leases	0.02%	0.02%
Consumer | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 22	$ 22
Consumer | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Consumer | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Consumer | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Consumer | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Consumer | Commercial real estate other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 22	$ 22
% of Total Class of Loans and Leases	0.02%	0.02%
Consumer | Commercial real estate other | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 22	$ 22
Consumer | Commercial real estate other | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Consumer | Commercial real estate other | Payment Delay and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Consumer | Commercial real estate other | Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	0	0
Consumer | Commercial real estate other | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost basis	$ 0	$ 0

X

- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

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- Definition

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

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-Topic 310
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