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Asset-Backed Securities Issued - Components of Asset-Backed Securities Issued by Consolidated Securitization Entities Sponsored, Along With Other Selected Information (Details) $ in Thousands | Mar. 31, 2024 USD ($) series trust | Dec. 31, 2023 USD ($) series trust
--- | --- | ---
CAFL |  |
Debt Instrument [Line Items] |  |
Number of bridge securitization trusts | trust | 2 | 2
Asset-backed securities issued |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 10,628,189 | $ 9,811,880
Asset-backed securities issued | Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | (1,007,233) | (943,370)
Asset-backed securities issued | Deferred Debt Issuance Costs |  |
Debt Instrument [Line Items] |  |
Unamortized debt discount and deferred debt issuance costs | (4,107) | (5,929)
Asset-backed securities issued | Certificates with principal balance |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 11,474,801 | 10,588,659
Asset-backed securities issued | Interest-only certificates at fair value |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 164,728 | 172,520
Asset-backed securities issued | Legacy Sequoia |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 130,875 | $ 138,530
Number of series | series | 20 | 20
Asset-backed securities issued | Legacy Sequoia | Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ (10,933) | $ (12,738)
Asset-backed securities issued | Legacy Sequoia | Deferred Debt Issuance Costs |  |
Debt Instrument [Line Items] |  |
Unamortized debt discount and deferred debt issuance costs | $ 0 | $ 0
Asset-backed securities issued | Legacy Sequoia | Minimum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 3.75% | 3.59%
Asset-backed securities issued | Legacy Sequoia | Maximum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 6.69% | 6.66%
Asset-backed securities issued | Legacy Sequoia | Certificates with principal balance |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 141,686 | $ 151,106
Asset-backed securities issued | Legacy Sequoia | Interest-only certificates at fair value |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 122 | 162
Asset-backed securities issued | Sequoia |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 5,423,137 | $ 4,430,130
Number of series | series | 25 | 22
Asset-backed securities issued | Sequoia | Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ (691,532) | $ (622,522)
Asset-backed securities issued | Sequoia | Deferred Debt Issuance Costs |  |
Debt Instrument [Line Items] |  |
Unamortized debt discount and deferred debt issuance costs | $ 0 | $ 0
Asset-backed securities issued | Sequoia | Minimum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 2.67% | 2.67%
Asset-backed securities issued | Sequoia | Maximum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 6.23% | 6.24%
Asset-backed securities issued | Sequoia | Certificates with principal balance |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 6,060,855 | $ 5,000,540
Asset-backed securities issued | Sequoia | Interest-only certificates at fair value |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 53,814 | 52,112
Asset-backed securities issued | CAFL |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 3,228,804 | $ 3,362,978
Number of series | series | 21 | 21
Asset-backed securities issued | CAFL | Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ (204,149) | $ (209,740)
Asset-backed securities issued | CAFL | Deferred Debt Issuance Costs |  |
Debt Instrument [Line Items] |  |
Unamortized debt discount and deferred debt issuance costs | $ (575) | $ (1,935)
Asset-backed securities issued | CAFL | Minimum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 2.31% | 2.34%
Asset-backed securities issued | CAFL | Maximum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 7.89% | 7.89%
Asset-backed securities issued | CAFL | Certificates with principal balance |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 3,339,432 | $ 3,472,825
Asset-backed securities issued | CAFL | Interest-only certificates at fair value |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 94,096 | 101,828
Asset-backed securities issued | Freddie Mac SLST |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 1,235,810 | $ 1,265,777
Range of weighted average interest rates, by series (as a percent) | 3.50% |
Number of series | series | 3 | 3
Debt instrument, face amount | $ 175,000 | $ 182,000
Asset-backed securities issued | Freddie Mac SLST | Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | (79,468) | (72,742)
Asset-backed securities issued | Freddie Mac SLST | Deferred Debt Issuance Costs |  |
Debt Instrument [Line Items] |  |
Unamortized debt discount and deferred debt issuance costs | $ (3,532) | $ (3,994)
Asset-backed securities issued | Freddie Mac SLST | Minimum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) |  | 3.50%
Asset-backed securities issued | Freddie Mac SLST | Maximum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 7.50% | 7.50%
Asset-backed securities issued | Freddie Mac SLST | Certificates with principal balance |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 1,305,826 | $ 1,328,657
Asset-backed securities issued | Freddie Mac SLST | Interest-only certificates at fair value |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 12,984 | 13,856
Asset-backed securities issued | Freddie Mac K-Series |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 389,238 | $ 391,977
Range of weighted average interest rates, by series (as a percent) | 3.55% | 3.55%
Number of series | series | 1 | 1
Asset-backed securities issued | Freddie Mac K-Series | Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ (14,724) | $ (14,985)
Asset-backed securities issued | Freddie Mac K-Series | Deferred Debt Issuance Costs |  |
Debt Instrument [Line Items] |  |
Unamortized debt discount and deferred debt issuance costs | 0 | 0
Asset-backed securities issued | Freddie Mac K-Series | Certificates with principal balance |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 400,250 | 402,400
Asset-backed securities issued | Freddie Mac K-Series | Interest-only certificates at fair value |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 3,712 | 4,562
Asset-backed securities issued | HEI |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 220,325 | $ 222,488
Number of series | series | 2 | 2
Asset-backed securities issued | HEI | Revision of Prior Period, Accounting Standards Update, Adjustment |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ (6,427) | $ (10,643)
Asset-backed securities issued | HEI | Deferred Debt Issuance Costs |  |
Debt Instrument [Line Items] |  |
Unamortized debt discount and deferred debt issuance costs | $ 0 | $ 0
Asset-backed securities issued | HEI | Minimum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 3.88% | 3.86%
Asset-backed securities issued | HEI | Maximum |  |
Debt Instrument [Line Items] |  |
Range of weighted average interest rates, by series (as a percent) | 6.71% | 6.70%
Asset-backed securities issued | HEI | Certificates with principal balance |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | $ 226,752 | $ 233,131
Asset-backed securities issued | HEI | Interest-only certificates at fair value |  |
Debt Instrument [Line Items] |  |
ABS Issued, Net | 0 | 0
Asset-backed securities issued | CoreVest |  |
Debt Instrument [Line Items] |  |
Debt instrument, face amount | $ 478,000 | $ 485,000

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