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Other Financing Liabilities, at Fair Value - Narrative (Details) $ in Millions | Dec. 31, 2023 USD ($) | May 02, 2022 | Sep. 30, 2024 USD ($) subservicer
--- | --- | --- | ---
Servicing Assets at Fair Value [Line Items] |  |  |
Automatic renewal term |  | 1 year |
Number of subservicers | subservicer |  |  | 3
Ocwen Financial Corporation |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
Servicing agreements notice of termination |  | 6 months |
Rithm |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
Amount derecognized | $ 421.7 |  |
Servicing agreements notice of termination |  | 3 months |
UPBs Related to PLS MSRs | Rithm Capital Corp |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
UPB of MSRs sold | $ 33,400.0 |  |
New RMSR Agreements | Rithm |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
UPB of rights to MSRs sold |  |  | $ 32,900.0
2017 Agreements and New RMSR Agreements | Mortgage Servicing Rights Title Retained | Rithm |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |
UPB of rights to MSRs sold |  |  | $ 9,300.0

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