Variable Interest Entities and Securitizations - Additional Information (Details) $ in Thousands		3 Months Ended
	Feb. 16, 2022 USD ($)	Mar. 31, 2022 USD ($) Facility
Variable Interest Entity [Line Items]
Beneficial interests in securitizations		$ 15,603
UACC
Variable Interest Entity [Line Items]
Risk retention rules percentage		5.00%
Number of senior secured warehouse credit facilities | Facility		3
Recognized a gain on sale	$ 29,600
Net proceeds from sale of transaction, cash	301,400
Net proceeds from sale of transaction, beneficial interests	$ 16,500
Beneficial interests in securitizations		$ 15,600