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Loans and Leases Held for Investment and Credit Quality - Schedule of Loan Modifications for Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Financing Receivable Modifications [Line Items]
Total Modifications	$ 34,921	$ 26,240	$ 78,268	$ 45,876
% of Total Class of Financing Receivable	0.28%	0.37%	0.63%	0.66%
Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	$ 30,560	$ 20,713	$ 46,010	$ 40,349
% of Total Class of Financing Receivable	0.40%	0.16%	0.60%	0.45%
Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	$ 4,361	$ 5,527	$ 32,258	$ 5,527
% of Total Class of Financing Receivable	0.09%	0.21%	0.68%	0.21%
Other-Than-Insignificant Payment Delay
Financing Receivable Modifications [Line Items]
Total Modifications	$ 13,056	$ 5,527	$ 19,585	$ 5,527
Other-Than-Insignificant Payment Delay \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	13,056	0	16,634	0
Other-Than-Insignificant Payment Delay \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	0	5,527	2,951	5,527
Term Extension
Financing Receivable Modifications [Line Items]
Total Modifications	6,221	10,893	21,407	14,448
Term Extension \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	6,221	10,893	15,888	14,448
Term Extension \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	0	0	5,519	0
Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Total Modifications	1,908		15,035	9,862
Interest Rate Reduction \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	1,908		1,908	9,862
Interest Rate Reduction \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	0		13,127	0
Combination - Term Extension, Other-Than-Insignificant Payment Delay & Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Total Modifications				3,020
Combination - Term Extension, Other-Than-Insignificant Payment Delay & Interest Rate Reduction \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications				3,020
Combination - Term Extension, Other-Than-Insignificant Payment Delay & Interest Rate Reduction \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications				0
Combination - Term Extension & Other-Than-Insignificant Payment Delay
Financing Receivable Modifications [Line Items]
Total Modifications	375		8,140	3,009
Combination - Term Extension & Other-Than-Insignificant Payment Delay \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	375		1,840	3,009
Combination - Term Extension & Other-Than-Insignificant Payment Delay \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	0		6,300	0
Combination - Term Extension & Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Total Modifications	13,361	9,820	14,101	10,010
Combination - Term Extension & Interest Rate Reduction \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	9,000	9,820	9,740	10,010
Combination - Term Extension & Interest Rate Reduction \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	$ 4,361	$ 0	$ 4,361	$ 0