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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions | May 05, 2022 | Oct. 15, 2019 | Jun. 30, 2022
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Other Commitments [Line Items] |  |  |
Deferred purchase agreement, borrowings by client |  |  | $ 137.0
Deferred purchase agreement, receivables with credit risk |  |  | 1,800.0
Deferred purchase agreement, line of credit facility, maximum borrowing capacity |  |  | 110.0
Loss contingency (up to) |  |  | 10.0
Off-Balance Sheet Commitment |  |  |
Other Commitments [Line Items] |  |  |
Credit related commitments |  |  | $ 75.0
OneWest Litigation |  |  |
Other Commitments [Line Items] |  |  |
Litigation settlement | $ 18.5 |  |
OneWest Litigation | Servicer Incentives Received Under HAMP |  |  |
Other Commitments [Line Items] |  |  |
Loss contingency, damages sought, value |  | $ 93.0 |
OneWest Litigation | Aggregate Borrower, Servicer And Investor Incentives Modified Under HAMP |  |  |
Other Commitments [Line Items] |  |  |
Loss contingency, damages sought, value |  | $ 440.0 |

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