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Loan Servicing - Additional Information (Details) $ in Millions | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] |  |
Unpaid principal balances of loans serviced for others totaled | $ 1,438 | $ 1,479
Measurement Input, Discount Rate |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] |  |
Servicing asset, measurement input |  | 0.110
Minimum | Measurement Input, Discount Rate |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] |  |
Servicing asset, measurement input | 0.090 |
Minimum | Measurement Input, Prepayment Rate |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] |  |
Servicing asset, measurement input | 0.056 | 0.064
Maximum | Measurement Input, Discount Rate |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] |  |
Servicing asset, measurement input | 0.115 |
Maximum | Measurement Input, Prepayment Rate |  |
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] |  |
Servicing asset, measurement input | 0.133 | 0.095

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