Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands		Total	Series D Convertible Preferred Stock [Member]	Common Stock [Member]		Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Beginning balance at Dec. 31, 2020		$ 470,052		$ 129	[1]	$ 929,125	$ (467,878)		$ 8,676
Beginning balance, Shares at Dec. 31, 2020	[1]			1,288,595,876
Issuance of common stock upon exercise or vesting of equity awards		27				27
Issuance of common stock upon exercise or vesting of equity awards, Shares	[1]			2,817,317
Issuance of warrants to purchase Series D convertible preferred stock			$ 150			150
Stock-based compensation expense		118				118
Foreign currency translation		0
Net loss		(74,778)					(73,569)		(1,209)
Ending balance at Mar. 31, 2021		395,569		$ 129	[1]	929,420	(541,447)		7,467
Ending balance, Shares at Mar. 31, 2021	[1]			1,291,413,193
Beginning balance at Dec. 31, 2021		1,567,379		$ 161	[1]	3,804,844	(2,297,925)	$ (1,715)	62,014
Beginning balance, Shares at Dec. 31, 2021	[1]			1,611,392,152
Issuance of common stock upon exercise or vesting of equity awards		76		$ 1	[1]
Issuance of common stock upon exercise or vesting of equity awards, Shares	[1]			10,957,595
Tax withholdings related to net share settlement of equity awards, Shares	[1]			(295,621)
Tax withholdings related to net share settlement of equity awards		(981)				(981)
Issuance of common stock upon exercise of Public Warrants, Shares	[1]			30
Deconsolidation of subsidiary (Note 4)		(28,783)							(28,783)
Stock-based compensation expense		669,590				667,480			2,110
Foreign currency translation		(640)						(640)
Net loss		(592,593)					(590,505)		(2,088)
Ending balance at Mar. 31, 2022		$ 1,614,048		$ 162	[1]	$ 4,471,418	$ (2,888,430)	$ (2,355)	$ 33,253
Ending balance, Shares at Mar. 31, 2022	[1]			1,622,054,156

[1] Balances presented related to the first quarter of 2021 were retroactively restated for the reverse recapitalization as described in Note 1.