Securitizations and Variable Interest Entities - Carrying Value and Classification of Assets And Liabilities of PLS Notes Facility (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
|---|---|---|---|
| Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] | |||
| Servicing Asset | $ 3,208.8 | $ 2,825.3 | |
| Debt service account (Restricted cash) | 170.0 | $ 27.2 | |
| Variable Interest Entity, Primary Beneficiary | Secured Debt | Agency and PLS Mortgage Servicing Rights Financing Facility | |||
| Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] | |||
| Servicing Asset | 1,122.5 | 1,035.7 | |
| Debt service account (Restricted cash) | 0.9 | 0.9 | |
| Short-Term Debt | $ 695.0 | $ 700.8 |