Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Summary Of Recognized Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details)

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Fair Value - Summary Of Recognized Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Assets    
Loans held for investment, at fair value $ 685,033 $ 907,998
Total loans held for sale, at fair value 53,500 173,984
Fair Value, Recurring    
Assets    
Retained bonds 45,570 46,439
Total assets 25,606,459 19,803,289
Liabilities    
HMBS related obligations 16,665,535 10,996,755
Nonrecourse debt in consolidated VIE trusts and reverse loan financing liability 7,737,529 7,175,857
Nonrecourse commercial loan financing liability 59,016 106,758
Nonrecourse MSR financing liability   60,562
Deferred purchase price liabilities 4,042 137
TRA obligation 1,097 3,781
Total liabilities 24,469,610 18,345,352
Fair Value, Recurring | Loans held for investment, subject to HMBS related obligations    
Assets    
Loans held for investment, at fair value 16,883,718 11,114,100
Fair Value, Recurring | Reverse mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 7,653,644 7,065,477
Fair Value, Recurring | fix and flip mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 274,770 389,161
Fair Value, Recurring | Reverse mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 678,811 771,724
Fair Value, Recurring | fix and flip mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 5,519 127,469
Fair Value, Recurring | Agricultural loans    
Assets    
Loans held for investment, at fair value 703 8,805
Fair Value, Recurring | Residential mortgage loans    
Assets    
Total loans held for sale, at fair value 42,805 12,123
Fair Value, Recurring | SRL    
Assets    
Total loans held for sale, at fair value 7,217 69,187
Fair Value, Recurring | Portfolio    
Assets    
Total loans held for sale, at fair value 3,478 43,272
Fair Value, Recurring | Fix and flip    
Assets    
Total loans held for sale, at fair value   49,402
Fair Value, Recurring | MSR    
Assets    
MSR 9,456 95,096
Fair Value, Recurring | Forward MBS and TBAs    
Assets    
Derivative assets   907
Fair Value, Recurring | Interest rate swaps and futures contracts    
Assets    
Derivative assets   771
Fair Value, Recurring | Interest rate swaps and futures contracts    
Liabilities    
Derivative liabilities   385
Fair Value, Recurring | Reverse mortgage loans    
Assets    
Purchase commitments - reverse mortgage loans   9,356
Fair Value, Recurring | Loan purchase commitments ("LPC")    
Assets    
Purchase commitments - reverse mortgage loans 768  
Fair Value, Recurring | Warrant liability    
Liabilities    
Derivative liabilities 2,391 1,117
Fair Value, Recurring | Level 1    
Assets    
Retained bonds 0 0
Total assets 0 771
Liabilities    
HMBS related obligations 0 0
Nonrecourse debt in consolidated VIE trusts and reverse loan financing liability 0 0
Nonrecourse commercial loan financing liability 0 0
Nonrecourse MSR financing liability   0
Deferred purchase price liabilities 0 0
TRA obligation 0 0
Total liabilities 2,391 1,502
Fair Value, Recurring | Level 1 | Loans held for investment, subject to HMBS related obligations    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 1 | Reverse mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 1 | fix and flip mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 1 | Reverse mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 1 | fix and flip mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 1 | Agricultural loans    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 1 | Residential mortgage loans    
Assets    
Total loans held for sale, at fair value 0 0
Fair Value, Recurring | Level 1 | SRL    
Assets    
Total loans held for sale, at fair value 0 0
Fair Value, Recurring | Level 1 | Portfolio    
Assets    
Total loans held for sale, at fair value 0 0
Fair Value, Recurring | Level 1 | Fix and flip    
Assets    
Total loans held for sale, at fair value  
Fair Value, Recurring | Level 1 | MSR    
Assets    
MSR 0 0
Fair Value, Recurring | Level 1 | Forward MBS and TBAs    
Assets    
Derivative assets   0
Fair Value, Recurring | Level 1 | Interest rate swaps and futures contracts    
Assets    
Derivative assets   771
Fair Value, Recurring | Level 1 | Interest rate swaps and futures contracts    
Liabilities    
Derivative liabilities   385
Fair Value, Recurring | Level 1 | Reverse mortgage loans    
Assets    
Purchase commitments - reverse mortgage loans   0
Fair Value, Recurring | Level 1 | Loan purchase commitments ("LPC")    
Assets    
Purchase commitments - reverse mortgage loans 0  
Fair Value, Recurring | Level 1 | Warrant liability    
Liabilities    
Derivative liabilities 2,391 1,117
Fair Value, Recurring | Level 2    
Assets    
Retained bonds 0 0
Total assets 43,573 13,030
Liabilities    
HMBS related obligations 0 0
Nonrecourse debt in consolidated VIE trusts and reverse loan financing liability 0 0
Nonrecourse commercial loan financing liability 0 0
Nonrecourse MSR financing liability   0
Deferred purchase price liabilities 0 0
TRA obligation 0 0
Total liabilities 0 0
Fair Value, Recurring | Level 2 | Loans held for investment, subject to HMBS related obligations    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 2 | Reverse mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 2 | fix and flip mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 2 | Reverse mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 2 | fix and flip mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 2 | Agricultural loans    
Assets    
Loans held for investment, at fair value 0 0
Fair Value, Recurring | Level 2 | Residential mortgage loans    
Assets    
Total loans held for sale, at fair value 42,805 12,123
Fair Value, Recurring | Level 2 | SRL    
Assets    
Total loans held for sale, at fair value 0 0
Fair Value, Recurring | Level 2 | Portfolio    
Assets    
Total loans held for sale, at fair value 0 0
Fair Value, Recurring | Level 2 | Fix and flip    
Assets    
Total loans held for sale, at fair value  
Fair Value, Recurring | Level 2 | MSR    
Assets    
MSR 0 0
Fair Value, Recurring | Level 2 | Forward MBS and TBAs    
Assets    
Derivative assets   907
Fair Value, Recurring | Level 2 | Interest rate swaps and futures contracts    
Assets    
Derivative assets   0
Fair Value, Recurring | Level 2 | Interest rate swaps and futures contracts    
Liabilities    
Derivative liabilities   0
Fair Value, Recurring | Level 2 | Reverse mortgage loans    
Assets    
Purchase commitments - reverse mortgage loans   0
Fair Value, Recurring | Level 2 | Loan purchase commitments ("LPC")    
Assets    
Purchase commitments - reverse mortgage loans 768  
Fair Value, Recurring | Level 2 | Warrant liability    
Liabilities    
Derivative liabilities 0 0
Fair Value, Recurring | Level 3    
Assets    
Retained bonds 45,570 46,439
Total assets 25,562,886 19,789,488
Liabilities    
HMBS related obligations 16,665,535 10,996,755
Nonrecourse debt in consolidated VIE trusts and reverse loan financing liability 7,737,529 7,175,857
Nonrecourse commercial loan financing liability 59,016 106,758
Nonrecourse MSR financing liability   60,562
Deferred purchase price liabilities 4,042 137
TRA obligation 1,097 3,781
Total liabilities 24,467,219 18,343,850
Fair Value, Recurring | Level 3 | Loans held for investment, subject to HMBS related obligations    
Assets    
Loans held for investment, at fair value 16,883,718 11,114,100
Fair Value, Recurring | Level 3 | Reverse mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 7,653,644 7,065,477
Fair Value, Recurring | Level 3 | fix and flip mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 274,770 389,161
Fair Value, Recurring | Level 3 | Reverse mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 678,811 771,724
Fair Value, Recurring | Level 3 | fix and flip mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 5,519 127,469
Fair Value, Recurring | Level 3 | Agricultural loans    
Assets    
Loans held for investment, at fair value 703 8,805
Fair Value, Recurring | Level 3 | Residential mortgage loans    
Assets    
Total loans held for sale, at fair value 0 0
Fair Value, Recurring | Level 3 | SRL    
Assets    
Total loans held for sale, at fair value 7,217 69,187
Fair Value, Recurring | Level 3 | Portfolio    
Assets    
Total loans held for sale, at fair value 3,478 43,272
Fair Value, Recurring | Level 3 | Fix and flip    
Assets    
Total loans held for sale, at fair value   49,402
Fair Value, Recurring | Level 3 | MSR    
Assets    
MSR 9,456 95,096
Fair Value, Recurring | Level 3 | Forward MBS and TBAs    
Assets    
Derivative assets   0
Fair Value, Recurring | Level 3 | Interest rate swaps and futures contracts    
Assets    
Derivative assets   0
Fair Value, Recurring | Level 3 | Interest rate swaps and futures contracts    
Liabilities    
Derivative liabilities   0
Fair Value, Recurring | Level 3 | Reverse mortgage loans    
Assets    
Purchase commitments - reverse mortgage loans   9,356
Fair Value, Recurring | Level 3 | Loan purchase commitments ("LPC")    
Assets    
Purchase commitments - reverse mortgage loans 0  
Fair Value, Recurring | Level 3 | Warrant liability    
Liabilities    
Derivative liabilities $ 0 $ 0