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Asset-Backed Securities Issued - Accrued Interest Payable (Details) - Asset-backed securities issued - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Debt Instrument [Line Items] |  |
Total Accrued Interest Payable on ABS Issued | $ 27,063 | $ 24,808
Legacy Sequoia |  |
Debt Instrument [Line Items] |  |
Total Accrued Interest Payable on ABS Issued | 316 | 282
Sequoia |  |
Debt Instrument [Line Items] |  |
Total Accrued Interest Payable on ABS Issued | 11,259 | 8,880
CAFL |  |
Debt Instrument [Line Items] |  |
Total Accrued Interest Payable on ABS Issued | 10,816 | 10,918
Freddie Mac SLST |  |
Debt Instrument [Line Items] |  |
Total Accrued Interest Payable on ABS Issued | 3,510 | 3,561
Freddie Mac K-Series |  |
Debt Instrument [Line Items] |  |
Total Accrued Interest Payable on ABS Issued | $ 1,162 | $ 1,167

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