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Allowance for Credit Losses - Schedule of Amortized Cost Basis of Loan Modifications Made to Borrowers Experiencing Financial Difficulty (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($) loan	Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($) bank loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	6	5	13	23
Amortized Cost	$ 9,462	$ 11,708	$ 15,050	$ 26,466
Commercial And Industrial Relationships
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost	$ 0	$ 0	$ 0	$ 0
Commercial And Industrial Relationships | Maturity Extension:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	2		6	2
Amortized Cost	$ 7,216		$ 8,710	$ 123
% of Total Class of Loans and Leases	0.18%		0.22%	0.01%
Term increase from modification			15 months
Commercial And Industrial Relationships | Maturity Extension: | Loan Tranche One
Financing Receivable, Troubled Debt Restructuring [Line Items]
Term increase from modification	12 months			6 months
Period of interest only payments		6 months		6 months
Commercial And Industrial Relationships | Maturity Extension: | Loan Tranche Two
Financing Receivable, Troubled Debt Restructuring [Line Items]
Term increase from modification	5 months			13 months
Payment deferral period		2 months		2 months
Commercial And Industrial Relationships | Combination - Maturity Extension, Interest Rate Reduction, and Significant Payment Delay:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	4		4	2
Amortized Cost	$ 2,246		$ 2,246	$ 1,586
% of Total Class of Loans and Leases	0.06%		0.06%	0.15%
Term increase from modification	6 months		6 months	6 months
Period of interest only payments		6 months		6 months
Commercial And Industrial Relationships | Significant Payment Delays:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans		2		14
Amortized Cost		$ 2,551		$ 15,490
% of Total Class of Loans and Leases		0.24%		1.43%
Payment deferral period		1 year		1 year
Commercial And Industrial Relationships | Significant Payment Delays: | Loan Tranche One
Financing Receivable, Troubled Debt Restructuring [Line Items]
Payment deferral period		6 months		6 months
Commercial And Industrial Relationships | Significant Payment Delays: | Loan Tranche Two
Financing Receivable, Troubled Debt Restructuring [Line Items]
Term increase from modification				30 months
Commercial And Industrial Relationships | Significant Payment Delays: | Loan Tranche Three
Financing Receivable, Troubled Debt Restructuring [Line Items]
Payment deferral period		1 year		1 year
Commercial And Industrial Relationships | Combination - Maturity Extension and Interest Rate Reduction:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans			2	2
Amortized Cost			$ 267	$ 110
% of Total Class of Loans and Leases			0.01%	0.01%
Term increase from modification			36 months	25 months
Interest rate before modification	2.30%	7.50%	2.30%	7.50%
Commercial And Industrial Relationships | Combination - Interest Rate Reduction and Significant Payment Delays
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan		1
Amortized Cost		$ 604
% of Total Class of Loans and Leases		0.06%
Term increase from modification		1 year
Interest rate before modification		10.30%		10.30%
Interest rate after modification		7.50%		7.50%
Commercial And Industrial Relationships | Combination - Maturity Extension, Interest Rate Reduction, And Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan				1
Amortized Cost				$ 604
% of Total Class of Loans and Leases				0.06%
Term increase from modification				1 year
Interest rate before modification		10.30%		10.30%
Interest rate after modification		7.50%		7.50%
Commercial Real Estate Relationship | Significant Payment Delays:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan			1
Amortized Cost			$ 3,827
% of Total Class of Loans and Leases			0.04%
Payment deferral period	12 months		12 months
Commercial Real Estate Relationship | Combination - Maturity Extension and Interest Rate Reduction:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans		1		1
Amortized Cost		$ 8,284		$ 8,284
% of Total Class of Loans and Leases		0.20%		0.20%
Term increase from modification		3 years		3 years
Pay rate percentage		0.050		0.050
Interest rate before modification		7.00%		7.00%
Interest rate after modification		7.00%		7.00%
Home equity | Combination - Maturity Extension and Interest Rate Reduction:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans		1		1
Amortized Cost		$ 269		$ 269
% of Total Class of Loans and Leases		0.07%		0.07%
Term increase from modification		20 years		20 years
Payment deferral period		30 years		30 years
Interest rate after modification		6.80%		6.80%

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