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Asset-Backed Securities Issued - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
	Jul. 31, 2026	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Carrying value of collateral		$ 4,129,209	$ 4,129,209	$ 3,405,564
VIEs
Debt Instrument [Line Items]
VIE, ownership interest rate (as a percent)			80.00%
Asset-backed securities issued | VIEs
Debt Instrument [Line Items]
Contractual maturities of ABS			5 years
Sequoia securities | VIEs
Debt Instrument [Line Items]
ABS issued, at amortized cost		$ 205,000
Debt Instrument interest rate		8.50%	8.50%
VIE, ownership interest rate (as a percent)		100.00%
Sequoia securities | VIEs | Forecast
Debt Instrument [Line Items]
Interest rate increase	3.00%
Sequoia Re-securitization Trust | VIEs
Debt Instrument [Line Items]
Carrying value of collateral		$ 83,000	$ 83,000
Sequoia Securitization Trusts | VIEs
Debt Instrument [Line Items]
Carrying value of collateral		$ 152,000	$ 152,000

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