v3.25.1
Reverse Mortgages - Schedule of Reverse Mortgage Revenue, Net (Details) - USD ($)
$ in Millions
3 Months Ended
Nov. 01, 2024
Mar. 31, 2025
Mar. 31, 2024
Receivables [Abstract]      
Acquisition $ 2,900.0 $ 0.0 $ 0.0
Loans Held For Investment, Reverse Mortgages, Acquisitions, Cash Amount 20.0    
Loans Held For Investment, Reverse Mortgages, UPB $ 14.2    
Gain on new originations   5.8 5.9
Net interest income (servicing fee)   8.3 6.0
Other change in fair value of securitized loans held for investment and HMBS-related borrowings, net   8.6 2.6
Change in fair value included in earnings, net   22.7 14.5
Loan fees and other   1.1 0.9
Gain on reverse loans held for investment and HMBS-related borrowings, net   23.8 15.4
Change in fair value   202.1 183.5
Change in fair value   $ (179.4) $ (169.0)