Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Weighted Average Unobservable Assumptions Used In The Fair Value Measurements (Details)

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Fair Value - Weighted Average Unobservable Assumptions Used In The Fair Value Measurements (Details)
Jun. 30, 2024
Dec. 31, 2023
Weighted Average | Discount rate    
Unobservable Assumptions    
Retained bonds, measurement input 0.075 0.067
Weighted Average | Discount rate | TRA obligation    
Unobservable Assumptions    
Deferred purchase price liabilities, measurement input 0.396 0.330
Weighted Average | WAL (in years)    
Unobservable Assumptions    
Retained bonds, measurement input 4.8 4.9
Weighted Average | Loans held for investment, subject to HMBS related obligations | CPR    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.211 0.201
Weighted Average | Loans held for investment, subject to HMBS related obligations | Loss frequency    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.042 0.045
Weighted Average | Loans held for investment, subject to HMBS related obligations | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.036 0.035
Weighted Average | Loans held for investment, subject to HMBS related obligations | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.053 0.050
Weighted Average | Loans held for investment, subject to HMBS related obligations | Average draw rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.011 0.011
Weighted Average | HECM buyouts - securitized (nonperforming) | CPR    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.410 0.398
Weighted Average | HECM buyouts - securitized (nonperforming) | Loss frequency    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.498 0.510
Weighted Average | HECM buyouts - securitized (nonperforming) | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.064 0.064
Weighted Average | HECM buyouts - securitized (nonperforming) | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.089 0.086
Weighted Average | HECM buyouts - securitized (performing) | CPR    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.153 0.151
Weighted Average | HECM buyouts - securitized (performing) | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.055 0.069
Weighted Average | HECM buyouts - securitized (performing) | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.085 0.082
Weighted Average | HECM buyouts - securitized (performing) | WAL (in years)    
Unobservable Assumptions    
Loans held-for-investment, measurement input 7.2 7.4
Weighted Average | Non-agency reverse mortgage loans - securitized | CPR    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.148 0.147
Weighted Average | Non-agency reverse mortgage loans - securitized | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.100 0.100
Weighted Average | Non-agency reverse mortgage loans - securitized | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.073 0.069
Weighted Average | Non-agency reverse mortgage loans - securitized | WAL (in years)    
Unobservable Assumptions    
Loans held-for-investment, measurement input 9.8 9.7
Weighted Average | Non-agency reverse mortgage loans - securitized | LTV    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.458 0.459
Weighted Average | Non-agency reverse mortgage loans - securitized | HPA    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.035 0.033
Weighted Average | Commercial mortgage loans - securitized | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.198 0.165
Weighted Average | Commercial mortgage loans - securitized | SMM    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.086 0.107
Weighted Average | Commercial mortgage loans - securitized | Loss rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.051 0.010
Weighted Average | Inventory buyouts | CPR    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.416 0.415
Weighted Average | Inventory buyouts | Loss frequency    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.449 0.482
Weighted Average | Inventory buyouts | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.056 0.051
Weighted Average | Inventory buyouts | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.089 0.086
Weighted Average | Non-agency reverse mortgage loans | CPR    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.147 0.144
Weighted Average | Non-agency reverse mortgage loans | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.100 0.100
Weighted Average | Non-agency reverse mortgage loans | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.072 0.069
Weighted Average | Non-agency reverse mortgage loans | WAL (in years)    
Unobservable Assumptions    
Loans held-for-investment, measurement input 11.7 12.1
Weighted Average | Non-agency reverse mortgage loans | LTV    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.348 0.338
Weighted Average | Non-agency reverse mortgage loans | HPA    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.034 0.031
Weighted Average | Commercial mortgage loans | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.099 0.132
Weighted Average | Commercial mortgage loans | SMM    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0 0.736
Weighted Average | Commercial mortgage loans | CDR    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.092 0.256
Weighted Average | HMBS related obligations | CPR    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.242 0.238
Weighted Average | HMBS related obligations | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.053 0.050
Weighted Average | Performing/Nonperforming HECM securitizations | CPR    
Unobservable Assumptions    
Long-term debt, measurement input 0.276 0.219
Weighted Average | Performing/Nonperforming HECM securitizations | Discount rate    
Unobservable Assumptions    
Long-term debt, measurement input 0.106 0.100
Weighted Average | Performing/Nonperforming HECM securitizations | WAL (in years)    
Unobservable Assumptions    
Long-term debt, measurement input 0.5 0.9
Weighted Average | Securitized non-agency reverse | CPR    
Unobservable Assumptions    
Long-term debt, measurement input 0.138 0.147
Weighted Average | Securitized non-agency reverse | Discount rate    
Unobservable Assumptions    
Long-term debt, measurement input 0.073 0.070
Weighted Average | Securitized non-agency reverse | WAL (in years)    
Unobservable Assumptions    
Long-term debt, measurement input 5.0 4.5
Weighted Average | Nonrecourse commercial loan financing liability | Discount rate    
Unobservable Assumptions    
Long-term debt, measurement input 0.096 0.091
Weighted Average | Nonrecourse commercial loan financing liability | WAL (in years)    
Unobservable Assumptions    
Long-term debt, measurement input 3.9 1.8
Weighted Average | Nonrecourse commercial loan financing liability | Weighted average SMM    
Unobservable Assumptions    
Long-term debt, measurement input 0.195 0.333
Minimum | Discount rate    
Unobservable Assumptions    
Retained bonds, measurement input (0.343) (0.312)
Minimum | WAL (in years)    
Unobservable Assumptions    
Retained bonds, measurement input 2.3 2.3
Minimum | Loans held for investment, subject to HMBS related obligations | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.035 0.034
Minimum | HECM buyouts - securitized (nonperforming) | Loss frequency    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.231 0.231
Minimum | HECM buyouts - securitized (nonperforming) | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.035 0.034
Minimum | HECM buyouts - securitized (performing) | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.035 0.034
Minimum | Non-agency reverse mortgage loans - securitized | LTV    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.000 0.000
Minimum | Non-agency reverse mortgage loans - securitized | HPA    
Unobservable Assumptions    
Loans held-for-investment, measurement input (0.044) (0.098)
Minimum | Inventory buyouts | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.035 0.034
Minimum | Non-agency reverse mortgage loans | LTV    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.043 0.039
Minimum | Non-agency reverse mortgage loans | HPA    
Unobservable Assumptions    
Loans held-for-investment, measurement input (0.044) (0.098)
Minimum | Commercial mortgage loans | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.099 0.096
Minimum | Performing/Nonperforming HECM securitizations | CPR    
Unobservable Assumptions    
Long-term debt, measurement input 0.264 0.215
Minimum | Performing/Nonperforming HECM securitizations | WAL (in years)    
Unobservable Assumptions    
Long-term debt, measurement input 0.4  
Minimum | Securitized non-agency reverse | CPR    
Unobservable Assumptions    
Long-term debt, measurement input 0.000 0.106
Minimum | Securitized non-agency reverse | WAL (in years)    
Unobservable Assumptions    
Long-term debt, measurement input 0.8 0.8
Maximum | Discount rate    
Unobservable Assumptions    
Retained bonds, measurement input 0.127 0.123
Maximum | WAL (in years)    
Unobservable Assumptions    
Retained bonds, measurement input 23.0 23.4
Maximum | Loans held for investment, subject to HMBS related obligations | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.144 0.129
Maximum | HECM buyouts - securitized (nonperforming) | Loss frequency    
Unobservable Assumptions    
Loans held-for-investment, measurement input 1.000 1
Maximum | HECM buyouts - securitized (nonperforming) | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.144 0.128
Maximum | HECM buyouts - securitized (performing) | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.144 0.128
Maximum | Non-agency reverse mortgage loans - securitized | LTV    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.848 0.796
Maximum | Non-agency reverse mortgage loans - securitized | HPA    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.089 0.076
Maximum | Inventory buyouts | Loss severity    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.144 0.128
Maximum | Non-agency reverse mortgage loans | LTV    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.714 0.538
Maximum | Non-agency reverse mortgage loans | HPA    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.089 0.076
Maximum | Commercial mortgage loans | Discount rate    
Unobservable Assumptions    
Loans held-for-investment, measurement input 0.211 0.200
Maximum | Performing/Nonperforming HECM securitizations | CPR    
Unobservable Assumptions    
Long-term debt, measurement input 0.286 0.223
Maximum | Performing/Nonperforming HECM securitizations | WAL (in years)    
Unobservable Assumptions    
Long-term debt, measurement input 0.5  
Maximum | Securitized non-agency reverse | CPR    
Unobservable Assumptions    
Long-term debt, measurement input 0.237 0.223
Maximum | Securitized non-agency reverse | WAL (in years)    
Unobservable Assumptions    
Long-term debt, measurement input 11.0 11.2