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Fair Value of Financial Instruments - Schedule of Fair Value Methodology for Level 3 Financial Instruments (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
$ / loan
Dec. 31, 2022
USD ($)
On-balance sheet assets, at fair value:    
ABS issued | $ $ 9,151,263 $ 7,424,132
Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities | HEI    
Liabilities    
Fair value of securities owned | $ 34,000  
ABS Issued Securities    
Liabilities    
ABS issued | $ $ 4,568,660  
ABS Issued Securities | Prepayment rate (annual CPR) | Minimum    
Liabilities    
ABS issued, measurement inputs 0.04  
ABS Issued Securities | Prepayment rate (annual CPR) | Maximum    
Liabilities    
ABS issued, measurement inputs 0.20  
ABS Issued Securities | Prepayment rate (annual CPR) | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.08  
ABS Issued Securities | Whole loan discount rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0.04  
ABS Issued Securities | Whole loan discount rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.40  
ABS Issued Securities | Whole loan discount rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.07  
ABS Issued Securities | Default rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0  
ABS Issued Securities | Default rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.17  
ABS Issued Securities | Default rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.01  
ABS Issued Securities | Loss severity | Minimum    
Liabilities    
ABS issued, measurement inputs 0.25  
ABS Issued Securities | Loss severity | Maximum    
Liabilities    
ABS issued, measurement inputs 0.50  
ABS Issued Securities | Loss severity | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.31  
Net investments in consolidated CAFL Term entities    
Liabilities    
ABS issued | $ $ 2,648,328  
Net investments in consolidated CAFL Term entities | Prepayment rate (annual CPR) | Minimum    
Liabilities    
ABS issued, measurement inputs 0  
Net investments in consolidated CAFL Term entities | Prepayment rate (annual CPR) | Maximum    
Liabilities    
ABS issued, measurement inputs 0.03  
Net investments in consolidated CAFL Term entities | Prepayment rate (annual CPR) | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.005  
Net investments in consolidated CAFL Term entities | Whole loan discount rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0.05  
Net investments in consolidated CAFL Term entities | Whole loan discount rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.12  
Net investments in consolidated CAFL Term entities | Whole loan discount rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.06  
Net investments in consolidated CAFL Term entities | Default rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0.03  
Net investments in consolidated CAFL Term entities | Default rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.13  
Net investments in consolidated CAFL Term entities | Default rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.07  
Net investments in consolidated CAFL Term entities | Loss severity | Minimum    
Liabilities    
ABS issued, measurement inputs 0.30  
Net investments in consolidated CAFL Term entities | Loss severity | Maximum    
Liabilities    
ABS issued, measurement inputs 0.40  
Net investments in consolidated CAFL Term entities | Loss severity | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.30  
Freddie Mac SLST    
Liabilities    
ABS issued | $ $ 1,088,225  
Freddie Mac SLST | Prepayment rate (annual CPR) | Minimum    
Liabilities    
ABS issued, measurement inputs 0.06  
Freddie Mac SLST | Prepayment rate (annual CPR) | Maximum    
Liabilities    
ABS issued, measurement inputs 0.06  
Freddie Mac SLST | Prepayment rate (annual CPR) | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.06  
Freddie Mac SLST | Whole loan discount rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0.05  
Freddie Mac SLST | Whole loan discount rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.10  
Freddie Mac SLST | Whole loan discount rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.06  
Freddie Mac SLST | Default rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0.15  
Freddie Mac SLST | Default rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.17  
Freddie Mac SLST | Default rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.16  
Freddie Mac SLST | Loss severity | Minimum    
Liabilities    
ABS issued, measurement inputs 0.25  
Freddie Mac SLST | Loss severity | Maximum    
Liabilities    
ABS issued, measurement inputs 0.25  
Freddie Mac SLST | Loss severity | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.25  
Freddie Mac K-Series    
Liabilities    
ABS issued | $ $ 391,977  
Freddie Mac K-Series | Whole loan discount rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0.03  
Freddie Mac K-Series | Whole loan discount rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.10  
Freddie Mac K-Series | Whole loan discount rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.05  
At consolidated HEI entities    
Liabilities    
ABS issued | $ $ 222,488  
At consolidated HEI entities | Prepayment rate (annual CPR) | Minimum    
Liabilities    
ABS issued, measurement inputs 0.15  
At consolidated HEI entities | Prepayment rate (annual CPR) | Maximum    
Liabilities    
ABS issued, measurement inputs 0.20  
At consolidated HEI entities | Prepayment rate (annual CPR) | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.17  
At consolidated HEI entities | Whole loan discount rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0.09  
At consolidated HEI entities | Whole loan discount rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.16  
At consolidated HEI entities | Whole loan discount rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.10  
At consolidated HEI entities | Home price appreciation (depreciation) | Minimum    
Liabilities    
ABS issued, measurement inputs 0.01  
At consolidated HEI entities | Home price appreciation (depreciation) | Maximum    
Liabilities    
ABS issued, measurement inputs 0.03  
At consolidated HEI entities | Home price appreciation (depreciation) | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.03  
At consolidated CAFL Bridge entities | Prepayment rate (annual CPR) | Minimum    
Liabilities    
ABS issued, measurement inputs 0.40  
At consolidated CAFL Bridge entities | Prepayment rate (annual CPR) | Maximum    
Liabilities    
ABS issued, measurement inputs 0.40  
At consolidated CAFL Bridge entities | Prepayment rate (annual CPR) | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.40  
At consolidated CAFL Bridge entities | Whole loan discount rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0.08  
At consolidated CAFL Bridge entities | Whole loan discount rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.15  
At consolidated CAFL Bridge entities | Whole loan discount rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.08  
At consolidated CAFL Bridge entities | Default rate | Minimum    
Liabilities    
ABS issued, measurement inputs 0  
At consolidated CAFL Bridge entities | Default rate | Maximum    
Liabilities    
ABS issued, measurement inputs 0.05  
At consolidated CAFL Bridge entities | Default rate | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.03  
At consolidated CAFL Bridge entities | Loss severity | Minimum    
Liabilities    
ABS issued, measurement inputs 0.25  
At consolidated CAFL Bridge entities | Loss severity | Maximum    
Liabilities    
ABS issued, measurement inputs 0.25  
At consolidated CAFL Bridge entities | Loss severity | Weighted Average    
Liabilities    
ABS issued, measurement inputs 0.25  
Jumbo loans    
On-balance sheet assets, at fair value:    
ABS issued | $ $ 726,475  
Jumbo loans | Prepayment rate (annual CPR) | Minimum    
On-balance sheet assets, at fair value:    
Loans held-for-sale, measurement input 0.15  
Jumbo loans | Prepayment rate (annual CPR) | Maximum    
On-balance sheet assets, at fair value:    
Loans held-for-sale, measurement input 0.15  
Jumbo loans | Prepayment rate (annual CPR) | Weighted Average    
On-balance sheet assets, at fair value:    
Loans held-for-sale, measurement input 0.15  
Jumbo loans | Subordinate credit spread | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0225  
Jumbo loans | Subordinate credit spread | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0900  
Jumbo loans | Subordinate credit spread | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0365  
Jumbo loans | Senior credit support | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.07  
Jumbo loans | Senior credit support | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.07  
Jumbo loans | Senior credit support | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.07  
Jumbo loans | IO discount rate | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.20  
Jumbo loans | IO discount rate | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.20  
Jumbo loans | IO discount rate | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.20  
Jumbo loans | Senior credit spread to TBA price | Minimum    
On-balance sheet assets, at fair value:    
Loans held-for-sale, measurement input 1.56  
Jumbo loans | Senior credit spread to TBA price | Maximum    
On-balance sheet assets, at fair value:    
Loans held-for-sale, measurement input 3.00  
Jumbo loans | Senior credit spread to TBA price | Weighted Average    
On-balance sheet assets, at fair value:    
Loans held-for-sale, measurement input 1.70  
Jumbo loans committed to sell    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ $ 184,717  
Jumbo loans committed to sell | Whole loan committed sales price | Minimum    
On-balance sheet assets, at fair value:    
Residential loans, measurement inputs 99  
Jumbo loans committed to sell | Whole loan committed sales price | Maximum    
On-balance sheet assets, at fair value:    
Residential loans, measurement inputs 101  
Jumbo loans committed to sell | Whole loan committed sales price | Weighted Average    
On-balance sheet assets, at fair value:    
Residential loans, measurement inputs 99  
Legacy Sequoia    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ $ 139,739  
Sequoia    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ 4,640,464  
Liabilities    
Fair value of securities owned | $ 212,000  
Freddie Mac SLST    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ 1,359,242  
Liabilities    
Fair value of securities owned | $ 274,000 323,000
BPL term loans    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ $ 144,359  
BPL term loans | Prepayment rate (annual CPR) | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0  
BPL term loans | Prepayment rate (annual CPR) | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.03  
BPL term loans | Prepayment rate (annual CPR) | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.03  
BPL term loans | Senior credit spread | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0150  
BPL term loans | Senior credit spread | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0150  
BPL term loans | Senior credit spread | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0150  
BPL term loans | Subordinate credit spread | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0230  
BPL term loans | Subordinate credit spread | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0887  
BPL term loans | Subordinate credit spread | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.0476  
BPL term loans | Senior credit support | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.33  
BPL term loans | Senior credit support | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.33  
BPL term loans | Senior credit support | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.33  
BPL term loans | IO discount rate | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.07  
BPL term loans | IO discount rate | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.07  
BPL term loans | IO discount rate | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 0.07  
BPL term loans | Dollar price of non-performing loans | Minimum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 60  
BPL term loans | Dollar price of non-performing loans | Maximum    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 100  
BPL term loans | Dollar price of non-performing loans | Weighted Average    
On-balance sheet assets, at fair value:    
Loans receivable, measurement input 61  
Net investments in consolidated CAFL Term entities    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ $ 2,971,725  
Liabilities    
Fair value of securities owned | $ 323,000 $ 304,000
BPL bridge loans held by CAFL    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ 249,689  
Residential Bridge, Held-for-investment at fair value    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ $ 1,854,524  
Residential Bridge, Held-for-investment at fair value | Whole loan discount rate | Minimum    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 0.06  
Residential Bridge, Held-for-investment at fair value | Whole loan discount rate | Maximum    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 0.12  
Residential Bridge, Held-for-investment at fair value | Whole loan discount rate | Weighted Average    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 0.09  
Residential Bridge, Held-for-investment at fair value | Whole loan spread | Minimum    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 0.0500  
Residential Bridge, Held-for-investment at fair value | Whole loan spread | Maximum    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 0.0500  
Residential Bridge, Held-for-investment at fair value | Whole loan spread | Weighted Average    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 0.0500  
Residential Bridge, Held-for-investment at fair value | Dollar price of non-performing loans | Minimum    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 50  
Residential Bridge, Held-for-investment at fair value | Dollar price of non-performing loans | Maximum    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 100  
Residential Bridge, Held-for-investment at fair value | Dollar price of non-performing loans | Weighted Average    
On-balance sheet assets, at fair value:    
Loans held-for-investment, measurement input 92  
Freddie Mac K-Series    
On-balance sheet assets, at fair value:    
Loans, held-for-investment | $ $ 425,285  
Liabilities    
Fair value of securities owned | $ 33,000  
Trading and AFS securities    
On-balance sheet assets, at fair value:    
Trading and AFS securities | $ $ 127,797  
Trading and AFS securities | Prepayment rate (annual CPR) | Minimum    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.04  
Trading and AFS securities | Prepayment rate (annual CPR) | Maximum    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.65  
Trading and AFS securities | Prepayment rate (annual CPR) | Weighted Average    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.08  
Trading and AFS securities | Whole loan discount rate | Minimum    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.06  
Trading and AFS securities | Whole loan discount rate | Maximum    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.25  
Trading and AFS securities | Whole loan discount rate | Weighted Average    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.11  
Trading and AFS securities | Default rate | Minimum    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0  
Trading and AFS securities | Default rate | Maximum    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.15  
Trading and AFS securities | Default rate | Weighted Average    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.001  
Trading and AFS securities | Loss severity | Minimum    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0  
Trading and AFS securities | Loss severity | Maximum    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.50  
Trading and AFS securities | Loss severity | Weighted Average    
On-balance sheet assets, at fair value:    
Trading and AFS securities 0.23  
HEI    
On-balance sheet assets, at fair value:    
HEI | $ $ 244,719  
HEI | Prepayment rate (annual CPR) | Minimum    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.01  
HEI | Prepayment rate (annual CPR) | Maximum    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.20  
HEI | Prepayment rate (annual CPR) | Weighted Average    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.14  
HEI | Whole loan discount rate | Minimum    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.10  
HEI | Whole loan discount rate | Maximum    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.10  
HEI | Whole loan discount rate | Weighted Average    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.10  
HEI | Home price appreciation (depreciation) | Minimum    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.01  
HEI | Home price appreciation (depreciation) | Maximum    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.03  
HEI | Home price appreciation (depreciation) | Weighted Average    
On-balance sheet assets, at fair value:    
HEI, measurement input 0.03  
Point Options Held By Point    
On-balance sheet assets, at fair value:    
HEI | $ $ 305,717  
Servicer advance investments    
On-balance sheet assets, at fair value:    
Servicing asset | $ $ 225,345  
Servicer advance investments | Minimum    
On-balance sheet assets, at fair value:    
Expected remaining life 6 years  
Servicer advance investments | Maximum    
On-balance sheet assets, at fair value:    
Expected remaining life 6 years  
Servicer advance investments | Weighted Average    
On-balance sheet assets, at fair value:    
Expected remaining life 6 years  
Servicer advance investments | Prepayment rate (annual CPR) | Minimum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.11  
Servicer advance investments | Prepayment rate (annual CPR) | Maximum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.30  
Servicer advance investments | Prepayment rate (annual CPR) | Weighted Average    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.14  
Servicer advance investments | Whole loan discount rate | Minimum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.03  
Servicer advance investments | Whole loan discount rate | Maximum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.05  
Servicer advance investments | Whole loan discount rate | Weighted Average    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.04  
Servicer advance investments | Mortgage servicing income | Minimum    
On-balance sheet assets, at fair value:    
Loan purchase commitments, net, measurement inputs 0.0003  
Servicer advance investments | Mortgage servicing income | Maximum    
On-balance sheet assets, at fair value:    
Loan purchase commitments, net, measurement inputs 0.0018  
Servicer advance investments | Mortgage servicing income | Weighted Average    
On-balance sheet assets, at fair value:    
Loan purchase commitments, net, measurement inputs 0.0010  
MSRs    
On-balance sheet assets, at fair value:    
Servicing asset | $ $ 24,877  
MSRs | Prepayment rate (annual CPR) | Minimum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.04  
MSRs | Prepayment rate (annual CPR) | Maximum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.21  
MSRs | Prepayment rate (annual CPR) | Weighted Average    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.06  
MSRs | Whole loan discount rate | Minimum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.12  
MSRs | Whole loan discount rate | Maximum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.63  
MSRs | Whole loan discount rate | Weighted Average    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.12  
MSRs | Per loan annual cost to service | Minimum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 93  
MSRs | Per loan annual cost to service | Maximum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 93  
MSRs | Per loan annual cost to service | Weighted Average    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 93  
Excess MSRs    
On-balance sheet assets, at fair value:    
Servicing asset | $ $ 37,367  
Excess MSRs | Prepayment rate (annual CPR) | Minimum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.10  
Excess MSRs | Prepayment rate (annual CPR) | Maximum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 1  
Excess MSRs | Prepayment rate (annual CPR) | Weighted Average    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.17  
Excess MSRs | Whole loan discount rate | Minimum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.13  
Excess MSRs | Whole loan discount rate | Maximum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.19  
Excess MSRs | Whole loan discount rate | Weighted Average    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.18  
Excess MSRs | Excess mortgage servicing amount | Minimum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.0008  
Excess MSRs | Excess mortgage servicing amount | Maximum    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.0020  
Excess MSRs | Excess mortgage servicing amount | Weighted Average    
On-balance sheet assets, at fair value:    
Servicing assets, measurement inputs 0.0011  
Loan purchase and interest rate lock commitments    
On-balance sheet assets, at fair value:    
Loan purchase commitments, net | $ $ 8,104  
Loan purchase and interest rate lock commitments | Pull-through rate | Minimum    
On-balance sheet assets, at fair value:    
Loan purchase commitments, net, measurement inputs 0.11  
Loan purchase and interest rate lock commitments | Pull-through rate | Maximum    
On-balance sheet assets, at fair value:    
Loan purchase commitments, net, measurement inputs 1  
Loan purchase and interest rate lock commitments | Pull-through rate | Weighted Average    
On-balance sheet assets, at fair value:    
Loan purchase commitments, net, measurement inputs 0.70  
Loan purchase and interest rate lock commitments | Committed sales price | Minimum    
On-balance sheet assets, at fair value:    
Loan purchase commitments, measurement input 103  
Loan purchase and interest rate lock commitments | Committed sales price | Maximum    
On-balance sheet assets, at fair value:    
Loan purchase commitments, measurement input 103  
Loan purchase and interest rate lock commitments | Committed sales price | Weighted Average    
On-balance sheet assets, at fair value:    
Loan purchase commitments, measurement input 103