CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Revenue	$ 611,402	$ 521,658	$ 1,769,131	$ 1,478,472
Expenses:
Cost of revenue (exclusive of depreciation and amortization, which is shown separately below)	185,619	169,041	555,114	475,273
Operating expenses:
Advertising and marketing	178,920	111,078	477,094	303,738
Sales	54,634	62,602	170,893	191,251
Technology and development	87,815	80,250	256,053	239,017
General and administrative	112,542	103,016	328,333	319,404
Acquisition, integration, and transformation costs	1,594	4,340	8,993	22,084
Depreciation and amortization	62,008	51,907	180,312	151,907
Goodwill impairment	0	0	9,630,000	0
Total expenses	683,132	582,234	11,606,792	1,702,674
Loss from operations	(71,730)	(60,576)	(9,837,661)	(224,202)
Loss on extinguishment of debt	0	850	0	43,728
Other expense (income), net	1,571	376	2,607	(5,493)
Interest expense, net	1,346	18,895	11,163	61,493
Net loss before provision for income taxes	(74,647)	(80,697)	(9,851,431)	(323,930)
(Benefit) Provision for income taxes	(1,171)	3,643	(1,971)	93,878
Net loss	(73,476)	(84,340)	(9,849,460)	(417,808)
Other comprehensive loss, net of tax:
Currency translation adjustment and other	(19,402)	(13,423)	(42,981)	(19,650)
Comprehensive loss	$ (92,878)	$ (97,763)	$ (9,892,441)	$ (437,458)
Net loss per share, basic (in dollars per share)	$ (0.45)	$ (0.53)	$ (61.09)	$ (2.68)
Net loss per share, diluted (in dollars per share)	$ (0.45)	$ (0.53)	$ (61.09)	$ (2.68)
Weighted-average shares used to compute basic net loss per share	161,727,962	159,435,165	161,217,033	155,926,680
Weighted-average shares used to compute diluted net loss per share	161,727,962	159,435,165	161,217,033	155,926,680