Quarterly report pursuant to Section 13 or 15(d)

Nonrecourse Debt, at Fair Value - Summary of Nonrecourse Debt at Fair Value (Detail)

v3.22.2
Nonrecourse Debt, at Fair Value - Summary of Nonrecourse Debt at Fair Value (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Nonrecourse MSR financing liability, at fair value $ 142,382 $ 142,435
Nonrecourse Commercial loan financing liability 158,659 107,744
Fair value adjustments (322,270) 39,379
Total nonrecourse debt, at fair value 6,752,084 6,111,242
Nonrecourse [Member]    
Debt Instrument [Line Items]    
Total nonrecourse debt $ 6,773,313 5,821,684
Securitization of performing / nonperforming HECM loans    
Debt Instrument [Line Items]    
Issue Date July 2020 - February 2022  
Final Maturity Date July 2030 - February 2032  
Original Issue Amount $ 1,805,528  
Securitization of performing / nonperforming HECM loans | Nonrecourse [Member]    
Debt Instrument [Line Items]    
Total nonrecourse debt $ 929,541 922,970
Securitization of performing / nonperforming HECM loans | Minimum [Member]    
Debt Instrument [Line Items]    
Interest Rate 0.88%  
Securitization of performing / nonperforming HECM loans | Maximum [Member]    
Debt Instrument [Line Items]    
Interest Rate 9.32%  
Securitization of non-agency reverse loans    
Debt Instrument [Line Items]    
Issue Date May 2018 - February 2022  
Final Maturity Date May 2023 - November 2069  
Original Issue Amount $ 7,205,543  
Securitization of non-agency reverse loans | Nonrecourse [Member]    
Debt Instrument [Line Items]    
Total nonrecourse debt $ 5,575,261 4,630,203
Securitization of non-agency reverse loans | Minimum [Member]    
Debt Instrument [Line Items]    
Interest Rate 1.25%  
Securitization of non-agency reverse loans | Maximum [Member]    
Debt Instrument [Line Items]    
Interest Rate 4.50%  
Securitization of fix & flip loans    
Debt Instrument [Line Items]    
Issue Date April 2021  
Final Maturity Date November 2024 - May 2025  
Original Issue Amount $ 268,511  
Securitization of fix & flip loans | Nonrecourse [Member]    
Debt Instrument [Line Items]    
Total nonrecourse debt $ 268,511 $ 268,511
Securitization of fix & flip loans | Minimum [Member]    
Debt Instrument [Line Items]    
Interest Rate 2.10%  
Securitization of fix & flip loans | Maximum [Member]    
Debt Instrument [Line Items]    
Interest Rate 5.40%