CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Revenue	$ 592,379	$ 503,139	$ 1,157,729	$ 956,814
Expenses:
Cost of revenue (exclusive of depreciation and amortization, which is shown separately below)	182,470	160,273	369,495	306,232
Operating expenses:
Advertising and marketing	164,574	103,221	298,174	192,660
Sales	57,930	63,856	116,259	128,649
Technology and development	80,826	80,759	168,238	158,767
General and administrative	110,868	111,216	215,791	216,388
Acquisition, integration, and transformation costs	2,892	11,421	7,399	17,744
Depreciation and amortization	59,371	51,341	118,304	100,000
Goodwill impairment	3,030,000	0	9,630,000	0
Total expenses	3,688,931	582,087	10,923,660	1,120,440
Loss from operations	(3,096,552)	(78,948)	(9,765,931)	(163,626)
Loss on extinguishment of debt	0	31,419	0	42,878
Other expense (income), net	1,760	(217)	1,036	(5,869)
Interest expense, net	4,337	20,473	9,817	42,598
Net loss before provision for income taxes	(3,102,649)	(130,623)	(9,776,784)	(243,233)
(Benefit) Provision for income taxes	(1,188)	3,196	(800)	90,235
Net loss	(3,101,461)	(133,819)	(9,775,984)	(333,468)
Other comprehensive (loss) income, net of tax:
Currency translation adjustment and other	(18,440)	7,265	(23,579)	(6,227)
Comprehensive loss	$ (3,119,901)	$ (126,554)	$ (9,799,563)	$ (339,695)
Net loss per share, basic (in dollars per share)	$ (19.22)	$ (0.86)	$ (60.72)	$ (2.16)
Net loss per share, diluted (in dollars per share)	$ (19.22)	$ (0.86)	$ (60.72)	$ (2.16)
Weighted-average shares used to compute basic net loss per share	161,377,695	156,055,090	161,002,075	154,187,739
Weighted-average shares used to compute diluted net loss per share	161,377,695	156,055,090	161,002,075	154,187,739