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
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans Receivable, Fair Value Disclosure $ 1,218,990 $ 1,031,328  
Mortgages Held-for-sale, Fair Value Disclosure 1,709,357 2,052,378  
MSRs     $ 26,675,358
Derivative assets 281,205 48,870  
Nonrecourse commercial loan financing liability      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Nonrecourse commercial loan financing liability 10,672,152 10,556,054  
Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments 6,000 6,000  
Retained beneficial interests 50,875 55,614  
Total assets 20,600,671 20,396,380  
HMBS related obligation 10,548,131 10,422,358  
Nonrecourse debt 6,032,157 5,857,069  
Nonrecourse MSR financing liability 163,981 142,435  
Deferred purchase price liabilities 7,852 12,852  
TRA Obligation 29,380 29,380  
Total liabilities 17,006,152 16,608,007  
Fair Value, Recurring [Member] | Nonrecourse commercial loan financing liability      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Nonrecourse commercial loan financing liability 127,639 111,738  
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 241,430 22,650  
Total liabilities 95,829 30,453  
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 1,517,351 1,888,625  
Total liabilities 1,183 1,722  
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 6,000  
Retained beneficial interests 50,875 55,614  
Total assets 18,841,890 18,485,105  
HMBS related obligation 10,548,131 10,422,358  
Nonrecourse debt 6,032,157 5,857,069  
Nonrecourse MSR financing liability 163,981 142,435  
Deferred purchase price liabilities 7,852 12,852  
TRA Obligation 29,380 29,380  
Total liabilities 16,909,140 16,575,832  
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Nonrecourse commercial loan financing liability      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Nonrecourse commercial loan financing liability 127,639 111,738  
Forward Mortgage Backed Securities [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative assets   1,235  
Derivative Liability 1,183 1,644  
Forward Mortgage Backed Securities [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   0  
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 assets   1,235  
Derivative Liability 1,183 1,644  
Forward Mortgage Backed Securities [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   0  
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 assets   1,763  
Derivative Liability 57 186  
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 57 108  
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 assets   1,763  
Derivative Liability 0 78  
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   0  
Interest Rate Swap Futures [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability 90,124 24,848  
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 90,124 24,848  
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 0 0  
Interest Rate Swap 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   0  
Warrant [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Liability 5,648 5,497  
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 5,648 5,497  
Warrant [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   0  
Warrant [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   0  
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 10,672,152 10,556,054  
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 10,672,152 10,556,054  
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 5,830,105 5,823,301  
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 5,830,105 5,823,301  
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 69,962    
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 69,962    
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 45,865 27,791  
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 45,865 27,791  
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 1,500,785 1,902,952  
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 1,480,312 1,885,627  
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 20,473 17,325  
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 131,137 98,852  
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 131,137 98,852  
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 77,435 50,574  
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 77,435 50,574  
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   62,933  
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   62,933  
Mortgage Servicing Rights [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
MSRs 426,102 427,942  
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]      
MSRs 426,102 427,942  
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 assets 2,172    
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 assets 2,172    
IRLCS [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative assets 2,736 23,222  
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 assets 2,736 23,222  
Forward Mortgage Backed Securities [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative assets 34,867    
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 assets 34,867    
Interest Rate Swap Futures [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative assets 241,430 22,650  
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 assets 241,430 22,650  
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 assets   0  
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 1,103,163 940,604  
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 1,103,163 940,604  
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 405,885 394,893  
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 $ 405,885 $ 394,893