Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Fair Value - Weighted Average Unobservable Assumptions Used In The Fair Value Measurements (Details)
Sep. 30, 2022
Dec. 31, 2021
Weighted Average | Conditional repayment rate | HMBS related obligations    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input   0.208
Weighted Average | Conditional repayment rate | Inventory Buyouts    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.446 0.432
Weighted Average | Conditional repayment rate | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.136 0.148
Weighted Average | Loss rate | Inventory Buyouts    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.543 0.594
Weighted Average | Loss severity | Inventory Buyouts    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.059 0.038
Weighted Average | Loss severity | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.100 0.100
Weighted Average | Discount rate | HMBS related obligations    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.052 0.023
Weighted Average | Discount rate | Inventory Buyouts    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.086 0.041
Weighted Average | Discount rate | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.071 0.036
Weighted Average | Discount rate | Commercial Mortgage Fix and Flip Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.103 0.059
Weighted Average | Discount rate | Commercial Mortgage Agricultural Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.093 0.048
Weighted Average | Discount rate | Commercial Mortgage Single Rental Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.079 0.033
Weighted Average | Discount rate | Commercial Mortgage Portfolio Lending    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.079 0.039
Weighted Average | Weighted average remaining life (in years) | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 11.7 9.2
Weighted Average | Loan to value | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.436 0.478
Weighted Average | Home price appreciation | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.036 0.044
Weighted Average | Prepayment rate (CPR) | Commercial Mortgage Fix and Flip Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.140 0.119
Weighted Average | Prepayment rate (CPR) | Commercial Mortgage Agricultural Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.176 0.221
Weighted Average | Prepayment rate (CPR) | Commercial Mortgage Single Rental Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.188 0.142
Weighted Average | Prepayment rate (CPR) | Commercial Mortgage Portfolio Lending    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.143 0.087
Weighted Average | Default rate (CDR) | Commercial Mortgage Agricultural Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.009 0.009
Weighted Average | Default rate (CDR) | Commercial Mortgage Single Rental Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.010 0.022
Weighted Average | Default rate (CDR) | Commercial Mortgage Portfolio Lending    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.010 0.032
Weighted Average | Measurement Input, Loss Rate | Commercial Mortgage Fix and Flip Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.003 0.004
Weighted Average | Reverse Mortgage Loans Held for Investment, Subject to HMBS Related Obligations | Conditional repayment rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.232 0.208
Weighted Average | Reverse Mortgage Loans Held for Investment, Subject to HMBS Related Obligations | Loss rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.039 0.045
Weighted Average | Reverse Mortgage Loans Held for Investment, Subject to HMBS Related Obligations | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.026 0.033
Weighted Average | Reverse Mortgage Loans Held for Investment, Subject to HMBS Related Obligations | Discount rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.052 0.024
Weighted Average | Reverse Mortgage 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 | Conditional repayment rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.395 0.412
Weighted Average | HECM Buyouts | Loss rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.506 0.595
Weighted Average | HECM Buyouts | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.044 0.043
Weighted Average | HECM Buyouts | Discount rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.086 0.041
Weighted Average | HECM Buyouts Securitized | Conditional repayment rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.151 0.133
Weighted Average | HECM Buyouts Securitized | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.049 0.077
Weighted Average | HECM Buyouts Securitized | Discount rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.082 0.037
Weighted Average | HECM Buyouts Securitized | Weighted average remaining life (in years)    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 8.3 9.0
Weighted Average | Non Agency Reverse Mortgage Securitized | Conditional repayment rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.150 0.186
Weighted Average | Non Agency Reverse Mortgage Securitized | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.100 0.100
Weighted Average | Non Agency Reverse Mortgage Securitized | Discount rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.072 0.036
Weighted Average | Non Agency Reverse Mortgage Securitized | Weighted average remaining life (in years)    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 9.4 7.5
Weighted Average | Non Agency Reverse Mortgage Securitized | Loan to value    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.426 0.434
Weighted Average | Non Agency Reverse Mortgage Securitized | Home price appreciation    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.038 0.047
Weighted Average | Fix Flip Securitized Commercial Mortgage Loans | Discount rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.102 0.057
Weighted Average | Fix Flip Securitized Commercial Mortgage Loans | Prepayment rate (CPR)    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.105 0.141
Weighted Average | Fix Flip Securitized Commercial Mortgage Loans | Measurement Input, Loss Rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.005 0.006
Weighted Average | HMBS related obligations | Conditional repayment rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.232  
Weighted Average | Performing/Nonperforming HECM securitizations | Conditional repayment rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.210 0.435
Weighted Average | Performing/Nonperforming HECM securitizations | Discount rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.082 0.023
Weighted Average | Performing/Nonperforming HECM securitizations | Weighted average remaining life (in years)    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 1.9 0.5
Weighted Average | Securitized Non-Agency Reverse | Conditional repayment rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.169 0.282
Weighted Average | Securitized Non-Agency Reverse | Discount rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.071 0.022
Weighted Average | Securitized Non-Agency Reverse | Weighted average remaining life (in years)    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 6.7 1.6
Weighted Average | Nonrecourse Debt, Commercial Mortgage Loans | Discount rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.076 0.031
Weighted Average | Nonrecourse Debt, Commercial Mortgage Loans | Weighted average remaining life (in years)    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 5.1 4.0
Weighted Average | Nonrecourse Debt, Commercial Mortgage Loans | Weighted average prepayment speed (CPR)    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.137 0.140
Minimum | Loss severity | Inventory Buyouts    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.024 0.077
Minimum | Discount rate | Commercial Mortgage Fix and Flip Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.148 0.100
Minimum | Loan to value | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.001 0.002
Minimum | Home price appreciation | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input (0.068) (0.046)
Minimum | Prepayment rate (CPR) | Commercial Mortgage Agricultural Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input   0.090
Minimum | Prepayment rate (CPR) | Commercial Mortgage Single Rental Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.181 0.010
Minimum | Prepayment rate (CPR) | Commercial Mortgage Portfolio Lending    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.000 0.000
Minimum | Default rate (CDR) | Commercial Mortgage Agricultural Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.000 0.000
Minimum | Default rate (CDR) | Commercial Mortgage Single Rental Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input   0.010
Minimum | Default rate (CDR) | Commercial Mortgage Portfolio Lending    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input   0.010
Minimum | Reverse Mortgage Loans Held for Investment, Subject to HMBS Related Obligations | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.024 0.031
Minimum | HECM Buyouts | Loss rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.231 0.250
Minimum | HECM Buyouts | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.024 0.031
Minimum | HECM Buyouts Securitized | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.024 0.031
Minimum | Non Agency Reverse Mortgage Securitized | Loan to value    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.000 0.001
Minimum | Non Agency Reverse Mortgage Securitized | Home price appreciation    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input (0.068) (0.046)
Minimum | Fix Flip Securitized Commercial Mortgage Loans | Measurement Input, Loss Rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input   0.003
Minimum | Performing/Nonperforming HECM securitizations | Conditional repayment rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.187 0.308
Minimum | Performing/Nonperforming HECM securitizations | Weighted average remaining life (in years)    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 1.8 0.2
Minimum | Securitized Non-Agency Reverse | Conditional repayment rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.119 0.184
Minimum | Securitized Non-Agency Reverse | Weighted average remaining life (in years)    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.5 1.0
Maximum | Loss severity | Inventory Buyouts    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.095 0.031
Maximum | Discount rate | Commercial Mortgage Fix and Flip Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.102 0.057
Maximum | Loan to value | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.647 0.687
Maximum | Home price appreciation | Non Agency Reverse Mortgage Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.063 0.140
Maximum | Prepayment rate (CPR) | Commercial Mortgage Agricultural Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input   1.000
Maximum | Prepayment rate (CPR) | Commercial Mortgage Single Rental Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.250 0.171
Maximum | Prepayment rate (CPR) | Commercial Mortgage Portfolio Lending    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.201 0.145
Maximum | Default rate (CDR) | Commercial Mortgage Agricultural Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input 0.010 0.007
Maximum | Default rate (CDR) | Commercial Mortgage Single Rental Loans    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input   0.572
Maximum | Default rate (CDR) | Commercial Mortgage Portfolio Lending    
Unobservable Assumptions    
Loans Held-for-sale, Measurement Input   0.540
Maximum | Reverse Mortgage Loans Held for Investment, Subject to HMBS Related Obligations | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.095 0.077
Maximum | HECM Buyouts | Loss rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 1.000 1
Maximum | HECM Buyouts | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.095 0.077
Maximum | HECM Buyouts Securitized | Loss severity    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.095 0.077
Maximum | Non Agency Reverse Mortgage Securitized | Loan to value    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.730 0.647
Maximum | Non Agency Reverse Mortgage Securitized | Home price appreciation    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input 0.063 0.14
Maximum | Fix Flip Securitized Commercial Mortgage Loans | Measurement Input, Loss Rate    
Unobservable Assumptions    
Loans Held-For-Investment, Measurement Input   0.690
Maximum | Performing/Nonperforming HECM securitizations | Conditional repayment rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.228 0.544
Maximum | Performing/Nonperforming HECM securitizations | Weighted average remaining life (in years)    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 1.9 0.8
Maximum | Securitized Non-Agency Reverse | Conditional repayment rate    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 0.316 0.359
Maximum | Securitized Non-Agency Reverse | Weighted average remaining life (in years)    
Unobservable Assumptions    
Long-Term Debt, Measurement Input 11.2 2.3