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Commitments and Contingencies - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Loss Contingencies [Line Items] |  |
Reserve for unfunded commitments | $ 51,500,000 | $ 52,500,000
Minimum |  |
Loss Contingencies [Line Items] |  |
Total letters of credit and unfunded lending commitments | 0 |
Maximum |  |
Loss Contingencies [Line Items] |  |
Total letters of credit and unfunded lending commitments | 10,000,000 |
Guarantee Obligations |  |
Loss Contingencies [Line Items] |  |
Guarantor obligations, monetary amount | 115,710,000,000 | 114,280,000,000
Total letters of credit and unfunded lending commitments | $ 16,775,789,000 | $ 15,620,895,000

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