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Collateralized Debt Obligations - Summary of Debt (Details) - Secured debt - Collateralized debt obligations - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Face amount | $ 1,500,378 | $ 1,547,963
Collateralized debt obligations | 1,522,221 | 1,623,658
Consolidated SLST |  |
Debt Instrument [Line Items] |  |
Face amount | 814,256 | 975,017
Collateralized debt obligations | $ 839,419 | $ 1,054,335
Weighted average interest rate (as a percent) | 2.75% | 2.75%
Residential loan securitizations |  |
Debt Instrument [Line Items] |  |
Face amount | $ 686,122 | $ 557,497
Collateralized debt obligations | $ 682,802 | $ 554,067
Weighted average interest rate (as a percent) | 2.43% | 3.36%
Non-Agency RMBS Re-Securitization |  |
Debt Instrument [Line Items] |  |
Face amount |  | $ 15,449
Collateralized debt obligations |  | $ 15,256
Non-Agency RMBS Re-Securitization | LIBOR |  |
Debt Instrument [Line Items] |  |
Weighted average interest rate (as a percent) |  | 0.0525%

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- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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