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
Mar. 31, 2026	Mar. 31, 2025
Financing Receivable Modifications [Line Items]
Total Modifications	$ 43,227	$ 12,103
% of Total Class of Financing Receivable	0.58%	0.20%
Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	$ 42,489	$ 12,103
% of Total Class of Financing Receivable	0.56%	0.20%
Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	$ 738
% of Total Class of Financing Receivable	0.02%
Other-Than-Insignificant Payment Delay
Financing Receivable Modifications [Line Items]
Total Modifications	$ 7,575
Other-Than-Insignificant Payment Delay \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	6,837
Other-Than-Insignificant Payment Delay \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	738
Term Extension
Financing Receivable Modifications [Line Items]
Total Modifications	13,610	$ 3,601
Term Extension \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	13,610	3,601
Term Extension \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	0
Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Total Modifications	13,127	2,243
Interest Rate Reduction \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	13,127	2,243
Interest Rate Reduction \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	0
Combination - Other-Than-Insignificant Payment Delay & Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Total Modifications	7,774
Combination - Other-Than-Insignificant Payment Delay & Interest Rate Reduction \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	7,774
Combination - 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 & Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Total Modifications		3,057
Combination - Term Extension, Other-Than-Insignificant Payment Delay & Interest Rate Reduction \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications		3,057
Combination - Term Extension & Other-Than-Insignificant Payment Delay
Financing Receivable Modifications [Line Items]
Total Modifications		3,009
Combination - Term Extension & Other-Than-Insignificant Payment Delay \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications		3,009
Combination - Term Extension & Interest Rate Reduction
Financing Receivable Modifications [Line Items]
Total Modifications	1,141	193
Combination - Term Extension & Interest Rate Reduction \| Small Business Banking
Financing Receivable Modifications [Line Items]
Total Modifications	1,141	$ 193
Combination - Term Extension & Interest Rate Reduction \| Commercial Banking
Financing Receivable Modifications [Line Items]
Total Modifications	$ 0

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

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