CONSOLIDATED AND CONDENSED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands, shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net revenue	$ 3,284,000	$ 3,857,000	$ 6,277,000	$ 7,335,000
Cost of goods sold	2,388,000	2,729,000	4,578,000	5,204,000
Gross profit	896,000	1,128,000	1,699,000	2,131,000
Operating expenses:
Customer service and merchant fees	162,000	145,000	313,000	292,000
Advertising	378,000	352,000	714,000	718,000
Selling, operations, technology, general and administrative	688,000	485,000	1,314,000	937,000
Impairment and other charges	40,000	0	40,000	12,000
Total operating expenses	1,268,000	982,000	2,381,000	1,959,000
(Loss) income from operations	(372,000)	146,000	(682,000)	172,000
Interest expense, net	(6,000)	(9,000)	(14,000)	(16,000)
Other income (expense), net	1,000	(2,000)	1,000	(5,000)
(Loss) income before income taxes	(377,000)	135,000	(695,000)	151,000
Provision for income taxes, net	1,000	4,000	2,000	2,000
Net (loss) income	$ (378,000)	$ 131,000	$ (697,000)	$ 149,000
(Loss) earnings per share:
Basic (in usd per share)	$ (3.59)	$ 1.26	$ (6.62)	$ 1.44
Diluted (in usd per share)	$ (3.59)	$ 1.14	$ (6.62)	$ 1.33
Weighted-average number of shares of common stock outstanding used in computing per share amounts:
Basic (in shares)	105	104	105	103
Diluted (in shares)	105	122	105	119