Loans and Leases Held for Investment and Credit Quality - Schedule of Financial Effect of Loan Modifications (Details) - Small Business Banking	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Financing Receivable Modifications [Line Items]
Weighted Average Interest Rate Reduction	5.99%	1.81%
Weighted Average Term Extension (in Months)	37 months	44 months

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

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Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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