Rights to MSRs - Schedule of Assets, Liabilities, Servicing and Subservicing Fees Related to NRZ Agreements (Footnote) (Details) - USD ($) $ in Millions |
12 Months Ended | |
---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Forecast [Member] | ||
Servicing Liabilities at Fair Value [Line Items] | ||
Reduction in the financing liability and interest expense | $ 34.1 | $ 104.7 |