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v3.22.2.2

Use of Special Purpose Entities and Variable Interest Entities - Loan Securitization Transaction (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2022 | Dec. 31, 2021
Variable Interest Entity [Line Items] |  |  |
Weighted Average Cost of Funding | 3.60% | 3.60% | 2.44%
Asset-backed Securities, Securitized Loans and Receivables |  |  |
Variable Interest Entity [Line Items] |  |  |
Aggregate unpaid principal balance of residential whole loans sold | $ 6,497,783 | $ 6,497,783 | $ 3,984,355
Outstanding amount of Senior Bonds, at carrying value | 972,058 | 972,058 | 1,334,342
Outstanding amount of Senior Bonds, at fair value | 2,860,253 | 2,860,253 | 1,316,131
Outstanding amount of Senior Bonds, total | $ 3,832,311 | $ 3,832,311 | $ 2,650,473
Weighted Average Cost of Funding | 3.23% | 3.23% | 2.01%
Weighted average contractual maturity of Senior Bonds |  | 37 years | 36 years
Cash received |  | $ 5,762,491 | $ 3,682,082
Debt issuance cost | $ 3,700 | 3,700 | 6,800
Senior Notes |  |  |
Variable Interest Entity [Line Items] |  |  |
Cash received | 749,500 | 2,100,000 |
Senior Notes | Asset-backed Securities, Securitized Loans and Receivables |  |  |
Variable Interest Entity [Line Items] |  |  |
Debt instrument, face amount | 5,792,100 | 5,792,100 | 3,667,790
Proceeds from Senior bond sold with Step up feature |  | $ 1,800,000 | 329,000
Senior Notes | Asset-backed Securities, Securitized Loans and Receivables | Minimum |  |  |
Variable Interest Entity [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 1.00% |
Debt instrument, coupon step-up period |  | 30 months |
Senior Notes | Asset-backed Securities, Securitized Loans and Receivables | Maximum |  |  |
Variable Interest Entity [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 3.00% |
Debt instrument, coupon step-up period |  | 48 months |
Senior Notes | Asset-backed Securities, Securitized Loans and Receivables | Median |  |  |
Variable Interest Entity [Line Items] |  |  |
Debt instrument, basis spread on variable rate |  | 2.00% |
Senior Support Certificates | Asset-backed Securities, Securitized Loans and Receivables |  |  |
Variable Interest Entity [Line Items] |  |  |
Debt instrument, face amount | $ 672,860 | $ 672,860 | $ 283,930

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