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
Sep. 30, 2022
Dec. 31, 2021
Assets    
Loans held for investment, at fair value $ 1,307,413 $ 1,031,328
Total loans held for sale, at fair value 859,650 2,052,378
Derivative assets 89,899 48,870
Liabilities    
TRA obligation 4,900 29,400
Fair Value, Recurring    
Assets    
Investments 1,000 6,000
Retained bonds 43,206 55,614
Total assets 20,062,179 20,396,380
Liabilities    
HMBS related obligations 10,784,841 10,422,358
Nonrecourse debt in consolidated VIE trusts 6,525,382 5,857,069
Nonrecourse commercial loan financing liability 160,344 111,738
Nonrecourse MSR financing liability 59,800 142,435
Deferred purchase price liabilities 4,852 12,852
TRA obligation 4,855 29,380
Total liabilities 17,555,778 16,608,007
Fair Value, Recurring | Loans held for investment, subject to HMBS related obligations    
Assets    
Loans held for investment, at fair value 10,916,551 10,556,054
Fair Value, Recurring | Reverse mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 6,285,773 5,823,301
Fair Value, Recurring | fix and flip mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 455,618 394,893
Fair Value, Recurring | Reverse mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 1,126,483 940,604
Fair Value, Recurring | fix and flip mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 137,367 62,933
Fair Value, Recurring | Agricultural loans    
Assets    
Loans held for investment, at fair value 43,563 27,791
Fair Value, Recurring | Residential mortgage loans    
Assets    
Total loans held for sale, at fair value 629,877 1,902,952
Fair Value, Recurring | SRL    
Assets    
Total loans held for sale, at fair value 147,872 98,852
Fair Value, Recurring | Portfolio    
Assets    
Total loans held for sale, at fair value 81,901 50,574
Fair Value, Recurring | MSRs    
Assets    
MSRs 103,069 427,942
Fair Value, Recurring | IRLCs and LPCs    
Assets    
Derivative assets 3,678 24,786
Liabilities    
Derivative liabilities 13,740  
Fair Value, Recurring | Forward MBS and TBAs    
Assets    
Derivative assets 32,254 1,250
Fair Value, Recurring | Interest rate swaps and futures contracts    
Assets    
Derivative assets 53,967 22,834
Fair Value, Recurring | Forward MBS and TBAs    
Liabilities    
Derivative liabilities 97 1,685
Fair Value, Recurring | Interest rate swaps and futures contracts    
Liabilities    
Derivative liabilities   24,993
Fair Value, Recurring | Warrant liability    
Liabilities    
Derivative liabilities 1,867 5,497
Fair Value, Recurring | Level 1    
Assets    
Investments 0 0
Retained bonds 0 0
Total assets 53,967 22,834
Liabilities    
HMBS related obligations 0 0
Nonrecourse debt in consolidated VIE trusts 0 0
Nonrecourse commercial loan financing liability 0 0
Nonrecourse MSR financing liability 0 0
Deferred purchase price liabilities 0 0
TRA obligation 0 0
Total liabilities 1,867 30,490
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 | MSRs    
Assets    
MSRs 0 0
Fair Value, Recurring | Level 1 | IRLCs and LPCs    
Assets    
Derivative assets 0 0
Liabilities    
Derivative liabilities 0  
Fair Value, Recurring | Level 1 | Forward MBS and TBAs    
Assets    
Derivative assets 0 0
Fair Value, Recurring | Level 1 | Interest rate swaps and futures contracts    
Assets    
Derivative assets 53,967 22,834
Fair Value, Recurring | Level 1 | Forward MBS and TBAs    
Liabilities    
Derivative liabilities 0 0
Fair Value, Recurring | Level 1 | Interest rate swaps and futures contracts    
Liabilities    
Derivative liabilities   24,993
Fair Value, Recurring | Level 1 | Warrant liability    
Liabilities    
Derivative liabilities 1,867 5,497
Fair Value, Recurring | Level 2    
Assets    
Investments 0 0
Retained bonds 0 0
Total assets 632,697 1,888,441
Liabilities    
HMBS related obligations 0 0
Nonrecourse debt in consolidated VIE trusts 0 0
Nonrecourse commercial loan financing liability 0 0
Nonrecourse MSR financing liability 0 0
Deferred purchase price liabilities 0 0
TRA obligation 0 0
Total liabilities 97 1,685
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 600,439 1,885,627
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 | MSRs    
Assets    
MSRs 0 0
Fair Value, Recurring | Level 2 | IRLCs and LPCs    
Assets    
Derivative assets 4 1,564
Liabilities    
Derivative liabilities 0  
Fair Value, Recurring | Level 2 | Forward MBS and TBAs    
Assets    
Derivative assets 32,254 1,250
Fair Value, Recurring | Level 2 | Interest rate swaps and futures contracts    
Assets    
Derivative assets 0 0
Fair Value, Recurring | Level 2 | Forward MBS and TBAs    
Liabilities    
Derivative liabilities 97 1,685
Fair Value, Recurring | Level 2 | Interest rate swaps and futures contracts    
Liabilities    
Derivative liabilities   0
Fair Value, Recurring | Level 2 | Warrant liability    
Liabilities    
Derivative liabilities 0 0
Fair Value, Recurring | Level 3    
Assets    
Investments 1,000 6,000
Retained bonds 43,206 55,614
Total assets 19,375,515 18,485,105
Liabilities    
HMBS related obligations 10,784,841 10,422,358
Nonrecourse debt in consolidated VIE trusts 6,525,382 5,857,069
Nonrecourse commercial loan financing liability 160,344 111,738
Nonrecourse MSR financing liability 59,800 142,435
Deferred purchase price liabilities 4,852 12,852
TRA obligation 4,855 29,380
Total liabilities 17,553,814 16,575,832
Fair Value, Recurring | Level 3 | Loans held for investment, subject to HMBS related obligations    
Assets    
Loans held for investment, at fair value 10,916,551 10,556,054
Fair Value, Recurring | Level 3 | Reverse mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 6,285,773 5,823,301
Fair Value, Recurring | Level 3 | fix and flip mortgage loans, subject to recourse    
Assets    
Loans held for investment, at fair value 455,618 394,893
Fair Value, Recurring | Level 3 | Reverse mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 1,126,483 940,604
Fair Value, Recurring | Level 3 | fix and flip mortgage loans, not subject to recourse    
Assets    
Loans held for investment, at fair value 137,367 62,933
Fair Value, Recurring | Level 3 | Agricultural loans    
Assets    
Loans held for investment, at fair value 43,563 27,791
Fair Value, Recurring | Level 3 | Residential mortgage loans    
Assets    
Total loans held for sale, at fair value 29,438 17,325
Fair Value, Recurring | Level 3 | SRL    
Assets    
Total loans held for sale, at fair value 147,872 98,852
Fair Value, Recurring | Level 3 | Portfolio    
Assets    
Total loans held for sale, at fair value 81,901 50,574
Fair Value, Recurring | Level 3 | MSRs    
Assets    
MSRs 103,069 427,942
Fair Value, Recurring | Level 3 | IRLCs and LPCs    
Assets    
Derivative assets 3,674 23,222
Liabilities    
Derivative liabilities 13,740  
Fair Value, Recurring | Level 3 | Forward MBS and TBAs    
Assets    
Derivative assets 0 0
Fair Value, Recurring | Level 3 | Interest rate swaps and futures contracts    
Assets    
Derivative assets 0 0
Fair Value, Recurring | Level 3 | Forward MBS and TBAs    
Liabilities    
Derivative liabilities 0 0
Fair Value, Recurring | Level 3 | Interest rate swaps and futures contracts    
Liabilities    
Derivative liabilities   0
Fair Value, Recurring | Level 3 | Warrant liability    
Liabilities    
Derivative liabilities $ 0 $ 0