Loans, Lending Commitments and Related Allowance for Credit Losses - Schedule of Selected Credit Ratios (Details) |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] | ||
| ACL for loans to total HFI loans | 0.40% | 0.50% |
| Nonaccrual HFI loans to total HFI loans | 0.40% | 0.40% |
| ACL for loans to nonaccrual HFI loans | 98.70% | 104.60% |