Variable Interest Entities and Securitizations - Additional Information (Details) $ in Thousands		1 Months Ended	12 Months Ended
	Apr. 30, 2023 USD ($)	Jan. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) Facility	Dec. 31, 2022 USD ($)
Variable Interest Entity [Line Items]
Beneficial interests in securitizations			$ 4,485	$ 20,592
Asset-backed Securities
Variable Interest Entity [Line Items]
Securitization transaction		$ 238,700		523,700
UACC
Variable Interest Entity [Line Items]
Risk retention rules percentage			5.00%
Number of senior secured warehouse credit facilities | Facility			4
Beneficial interests in securitizations			$ 4,500	20,600
Net proceeds from securitization	$ 23,100	$ 237,800
Collateralized finance receivable			$ 326,400
Recognized a gain on sale				45,600
UACC | Residual Interest, 2022-1 and 2022-2 Securitization
Variable Interest Entity [Line Items]
Securitization transaction				$ 49,600