Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenues	$ 590,961	$ 458,338	$ 368,120
Operating expenses:
Cost of revenues (excluding depreciation and amortization)	215,466	174,720	148,878
General and administrative expenses	213,615	189,606	70,849
Selling and marketing expenses	299,238	229,343	77,140
Research and development expenses	69,454	64,474	31,772
Depreciation and amortization	51,878	45,922	40,064
Acquisition-related expenses	344	1,953	5,402
Restructuring expenses		727	2,090
Total operating expenses	849,995	706,745	376,195
Loss from operations	(259,034)	(248,407)	(8,075)
Interest expense	7,303	7,033	16,257
Other expenses / (income)	13,983	(279)	(126)
Gain on extinguishment of debt		(10,000)
Change in fair value of warrants and derivative liabilities	410	5,000	28,100
Total other expenses	21,696	1,754	44,231
Loss before income taxes	(280,730)	(250,161)	(52,306)
Income tax (benefit) / provision	(1,491)	(598)	919
Net loss	(279,239)	(249,563)	(53,225)
Other comprehensive (income) / loss:
Foreign currency translation adjustment	(56)	64	190
Total comprehensive loss	(279,183)	(249,627)	(53,415)
Net loss per share
Net loss	(279,239)	(249,563)	(53,225)
Cumulative redeemable convertible preferred stock dividends		7,060	19,571
Net loss available to common stockholders	$ (279,239)	$ (256,623)	$ (72,796)
Basic loss per share	$ (2.01)	$ (2.95)	$ (2.23)
Diluted loss per share	$ (2.01)	$ (2.95)	$ (2.23)
Weighted Average Number Of Shares Used To Compute Net Loss Per Share [Abstract]
Basic	138,985,265	86,932,191	32,589,409
Diluted	138,985,265	86,932,191	32,589,409