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Asset-Backed Securities Issued - Accrued Interest Payable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	$ 24,808	$ 25,401
CAFL
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	10,918	11,030
Freddie Mac SLST
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	3,561	4,630
Freddie Mac K-Series
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	1,167	1,190
Asset-backed securities issued | Legacy Sequoia
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	282	99
Asset-backed securities issued | Sequoia
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	$ 8,880	$ 8,452

X

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 28
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

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