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Loans Held-for-Sale, Net - Narrative (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Sale of loans held-for-sale excluding acquired loans |  | $ 4,610,000,000 | $ 4,890,000,000 | $ 5,440,000,000
Loans held-for-sale, nonaccrual |  | $ 0 | $ 0 |
Carrying Value |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans held-for-sale 90 or more days past due |  | 0 | 0 |
US Government Sponsored-Enterprise Insured Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Period of loans held for sale sold |  | 60 days |  |
Private Label |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Period of loans held for sale sold |  | 180 days |  |
Net loss of swaps gain with loans |  |  |  | $ 5,200,000
Number of loans under the loan portfolio | loan |  |  |  | 7
Unpaid Principal Balance |  |  |  | $ 129,900,000
Net loans carrying value |  |  |  | $ 116,400,000
Gain on sale of financing receivable | $ 900,000 |  |  |

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