Segment Information - Summary of Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Revenues from external customers	$ 225,178	$ 475,437	$ 421,645	$ 1,399,212
Gross profit	46,001	66,357	84,806	147,997
Ecommerce
Segment Reporting Information [Line Items]
Revenues from external customers	138,225	321,632	273,858	996,995
Gross profit	12,189	33,509	22,223	67,828
Wholesale
Segment Reporting Information [Line Items]
Revenues from external customers	30,800	82,901	44,695	222,885
Gross profit	(3,993)	(1,934)	(3,931)	(4,686)
Retail Financing
Segment Reporting Information [Line Items]
Revenues from external customers	42,128	32,121	74,116	79,808
Gross profit	34,068	28,720	59,842	73,682
All Other
Segment Reporting Information [Line Items]
Revenues from external customers	14,025	38,783	28,976	99,524
Gross profit	$ 3,737	$ 6,062	$ 6,672	$ 11,173