Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Gross Profit [Abstract]
Net revenue	$ 1,394,964	$ 1,561,122	$ 1,929,334
Cost of goods sold	1,104,800	1,195,093	1,421,721
Gross profit	290,164	366,029	507,613
Operating expenses:
Sales and marketing	238,564	224,547	215,477
Technology	114,584	117,154	121,158
General and administrative	74,399	90,410	79,701
Customer service and merchant fees	53,586	52,023	64,269
Total operating expenses	481,133	484,134	480,605
Operating income (loss)	(190,969)	(118,105)	27,008
Total interest income, net	6,765	12,007	2,965
Other expense, net	(73,907)	(160,024)	(63,825)
Loss before income taxes	(258,111)	(266,122)	(33,852)
Provision for income taxes	684	41,720	1,384
Net loss	$ (258,795)	$ (307,842)	$ (35,236)
Net loss per share of common stock:
Basic (in dollars per share)	$ (5.56)	$ (6.81)	$ (0.83)
Diluted (in dollars per share)	$ (5.56)	$ (6.81)	$ (0.83)
Weighted average shares of common stock outstanding:
Basic (in shares)	46,542	45,214	44,323
Diluted (in shares)	46,542	45,214	44,323