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Fair Value - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |
Provision for credit losses | $ 28,497 | $ 19,068 | $ 83,602 | $ 47,292 |
Other real estate owned and other repossessed property | 1,300 |  | 1,300 |  | $ 1,700
Other real estate owned property write-downs | 100 | 26 | $ 500 | 100 |
Past due period of mortgage loans held for sale, days |  |  | 90 days |  |
Interest income for residential loans held for sale | 700 | 400 | $ 1,500 | 900 |
Impaired Commercial and Commercial Real Estate Loans |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |
Principal amount of impaired commercial and commercial real estate loans | 228,800 |  | 228,800 |  | 134,300
Valuation allowance | 49,600 |  | 49,600 |  | $ 27,900
Provision for credit losses | $ 19,400 | $ 2,100 | $ 33,200 | $ 21,900 |

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