Condensed Consolidated Statements of Stockholders’ Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional paid-in capital	Accumulated other comprehensive loss	Accumulated deficit
Beginning balance (in shares) at Dec. 31, 2020		6,000,000	423,170,610
Beginning Balance at Dec. 31, 2020	$ (268,902)	$ 1	$ 42	$ 1,126,631	$ 3,191	$ (1,398,767)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	203,544			203,544
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)		1,313,569
Modification of cash-settled stock-based compensation awards into equity-settled awards	206,313			206,313
Capital contribution from SAP	115,000			115,000
Sales of Class A Common Stock (in shares)		81,968,387
Sales of Class A Common Stock	2,238,579	$ 8		2,238,571
Dividend declared	(2,392,280)			(2,392,280)
Net loss	(199,854)					(199,854)
Foreign currency translation adjustment	(1,786)				(1,786)
Ending balance (in shares) at Mar. 31, 2021		89,281,956	423,170,610
Ending Balance at Mar. 31, 2021	(99,386)	$ 9	$ 42	1,497,779	1,405	(1,598,621)
Beginning balance (in shares) at Dec. 31, 2021			423,170,610
Beginning Balance at Dec. 31, 2021	2,186,700	$ 15	$ 42	4,645,800	(1,244)	(2,457,913)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	270,089			270,089
Issuance of common stock upon settlement of restricted stock units (RSUs) (in shares)		10,658,728
Issuance of common stock upon settlement of restricted stock units (RSUs)	$ 0	$ 1		(1)
Issuance of common stock upon exercise of stock options (in shares)	123,000	123,171
Issuance of common stock upon exercise of stock options	$ 614			614
Issuance of common stock for employee stock purchase plan (in shares)		770,966
Issuance of common stock for employee stock purchase plan	20,380			20,380
Common stock withheld related to net share settlement of equity awards	(208,920)			(208,920)
Net loss	(292,325)					(292,325)
Foreign currency translation adjustment	(448)				(448)
Ending balance (in shares) at Mar. 31, 2022		158,862,119	423,170,610
Ending Balance at Mar. 31, 2022	$ 1,976,090	$ 16	$ 42	$ 4,727,962	$ (1,692)	$ (2,750,238)