Quarterly report pursuant to Section 13 or 15(d)

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

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Fair Value - Summary Of The Recognized Assets And Liabilities That Are Measured At Fair Value On A Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure $ 1,225,090 $ 730,821
Mortgages Held-for-sale, Fair Value Disclosure 2,057,542 2,222,811
Derivative Asset 61,811 92,065
Retained beneficial interests 15,671  
Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments 6,000 18,934
Retained beneficial interests 15,671  
Total assets 19,397,700 18,570,645
HMBS related obligation 10,168,224 9,788,668
Nonrecourse debt 5,360,603 5,257,754
Nonrecourse MSR financing liability 65,129 14,088
Deferred purchase price liabilities 11,663 3,842
TRA Obligation 32,810  
Total liabilities 15,677,019 15,085,073
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 25,013 186
Total liabilities 33,081 186
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 1,897,969 2,073,176
Total liabilities 4,398 19,451
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments 6,000 18,934
Retained beneficial interests 15,671  
Total assets 17,474,718 16,497,283
HMBS related obligation 10,168,224 9,788,668
Nonrecourse debt 5,360,603 5,257,754
Nonrecourse MSR financing liability 65,129 14,088
Deferred purchase price liabilities 11,663 3,842
TRA Obligation 32,810  
Total liabilities 15,639,540 15,065,436
Forward Mortgage Backed Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 4,364 18,634
Forward Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 4,364 18,634
Forward Commitments Tbas And Treasury Futures [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 1,176 1,332
Forward Commitments Tbas And Treasury Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 31  
Forward Commitments Tbas And Treasury Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 34 248
Forward Commitments Tbas And Treasury Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 1,111 1,084
Interest Rate Swap Futures [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 13,789 755
Interest Rate Swap Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 13,789 186
Interest Rate Swap Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability   569
Warrant [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 19,261  
Warrant [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 19,261  
Reverse Mortgage Loans Held For Investment Subject To Hmbs Related Obligation [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 10,316,027 9,929,163
Reverse Mortgage Loans Held For Investment Subject To Hmbs Related Obligation [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 10,316,027 9,929,163
Mortgage Loans Held For Investment Reverse Mortgage Loans [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 1,020,143 661,790
Mortgage Loans Held For Investment Reverse Mortgage Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 1,020,143 661,790
Mortgage Loans Held For Investment Fix And Flip Mortgage Loans [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 44,578  
Mortgage Loans Held For Investment Fix And Flip Mortgage Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 44,578  
Agricultural Loans [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 160,369 69,031
Agricultural Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 160,369 69,031
Mortgage Loans Held For Sale Residential Mortgage Loans [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 1,908,107 2,080,585
Mortgage Loans Held For Sale Residential Mortgage Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 1,896,654 2,069,957
Mortgage Loans Held For Sale Residential Mortgage Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 11,453 10,628
Mortgage Loans Held For Sale SRL [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 96,569 60,467
Mortgage Loans Held For Sale SRL [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 96,569 60,467
Mortgage Loans Held For Sale Portfolio [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 52,866 38,850
Mortgage Loans Held For Sale Portfolio [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 52,866 38,850
Mortgage Loans Held For Sale Portfolio Fix And Flip Mortgage Loans [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure   42,909
Mortgage Loans Held For Sale Portfolio Fix And Flip Mortgage Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure   42,909
Mortgage Servicing Rights [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgage servicing rights 290,938 180,684
Mortgage Servicing Rights [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Mortgage servicing rights 290,938 180,684
Forward Commitments Tbas And Treasury Futures [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 1,187 1,806
Forward Commitments Tbas And Treasury Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 32  
Forward Commitments Tbas And Treasury Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 319 722
Forward Commitments Tbas And Treasury Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 836 1,084
IRLCS [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 34,647 87,576
IRLCS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 34,647 87,576
Forward Mortgage Backed Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 996  
Forward Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 996  
Interest Rate Swap Futures [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 24,981 2,683
Interest Rate Swap Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset 24,981 186
Interest Rate Swap Futures [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Asset   2,497
Nonrecourse [Member] | Mortgage Loans Held For Investment Reverse Mortgage Loans [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 5,189,679 5,057,624
Nonrecourse [Member] | Mortgage Loans Held For Investment Reverse Mortgage Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 5,189,679 5,057,624
Nonrecourse [Member] | Mortgage Loans Held For Investment Fix And Flip Mortgage Loans [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure 234,942 338,543
Nonrecourse [Member] | Mortgage Loans Held For Investment Fix And Flip Mortgage Loans [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Loans Receivable, Fair Value Disclosure $ 234,942 $ 338,543