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Loans and Leases - Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unamortized deferred loan origination fees and costs | $ (237,600,000) | $ (19,600,000)
Increase in unamortized deferred loan origination costs | 218,000,000 |
Total Loans and Leases | 18,029,552,000 | 9,779,288,000
FRB borrowings |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans and Leases | 0 | 0
Asset Pledged as Collateral with Right |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total Loans and Leases | 6,300,000,000 | 3,600,000,000
Directors, executive officers and their affiliates |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unfunded commitments on extensions of credit | 15,000 | 5,600,000
Loans And Leases Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accrued interest on loans and leases | $ 77,800,000 | $ 37,500,000

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