CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands		Total		Series C	Series E	Series B	Series D	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit
Preferred stock, beginning balance (in shares) at Dec. 31, 2018	[1]	137,248,112
Preferred stock, beginning balance at Dec. 31, 2018		$ 259,960
Increase (Decrease) in Temporary Equity [Roll Forward]
Repurchase of convertible preferred stock (in shares)	[1]			(9,442,858)
Repurchase of convertible preferred stock				$ (47,531)
Extinguishment of Series C convertible preferred stock				$ (10,404)
Issuance of convertible preferred shares (in shares)	[1]						374,777,280
Issuance of convertible preferred shares							$ 871,985
Preferred stock, ending balance (in shares) at Dec. 31, 2019	[1]	502,582,534
Preferred stock, ending balance at Dec. 31, 2019		$ 1,074,010
Beginning balance (in shares) at Dec. 31, 2018								20,165,672
Beginning balance at Dec. 31, 2018		(359,860)						$ 2	$ 294	$ 0	$ (360,156)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(277,357)									(277,357)
Repurchase of Series C convertible preferred stock		(2,469)							(2,469)
Extinguishment and reclassification of convertible preferred stock		10,404							10,404
Issuance of common stock upon exercise of stock options (in shares)								1,123,069
Issuance of common stock upon exercise of stock options		483							483
Stock-based compensation		7,719							7,719
Ending balance (in shares) at Dec. 31, 2019								21,288,741
Ending balance at Dec. 31, 2019		$ (621,080)						$ 2	16,431	0	(637,513)
Increase (Decrease) in Temporary Equity [Roll Forward]
Repurchase of convertible preferred stock (in shares)	[1]			(11,507,389)
Repurchase of convertible preferred stock				$ (24,885)
Extinguishment of Series C convertible preferred stock						$ (4,000)
Issuance of convertible preferred shares (in shares)	[1]				301,092,346		164,992,213
Issuance of convertible preferred shares					$ 898,932		$ 400,000
Settlement of Series D contingent forward contract liability					$ 110,456		$ 39,563
Preferred stock, ending balance (in shares) at Dec. 31, 2020		957,159,704	[1]	59,575,253	301,092,346	24,677,332	539,769,493
Preferred stock, ending balance at Dec. 31, 2020		$ 2,494,076		$ 137,475	$ 1,009,388	$ 23,740	$ 1,311,548
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(719,380)									(719,380)
Repurchase of Series C convertible preferred stock		12,784							12,784
Extinguishment and reclassification of convertible preferred stock		$ 1,000							1,000
Issuance of common stock upon exercise of stock options (in shares)		7,502,955						7,502,961
Issuance of common stock upon exercise of stock options		$ 3,285						$ 1	3,284
Stock-based compensation		$ 4,614							4,614
Ending balance (in shares) at Dec. 31, 2020		28,791,702						28,791,702
Ending balance at Dec. 31, 2020		$ (1,318,777)						$ 3	38,113	0	(1,356,893)
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of convertible preferred shares (in shares)					167,273,525
Repurchase of convertible preferred stock (in shares)	[1]					(3,525,365)
Issuance of Series D convertible preferred shares upon exercise of warrants (in shares)	[1]						1,546,799
Issuance of Series D convertible preferred stock upon exercise of warrants							$ 12,936
Issuance of convertible preferred shares (in shares)	[1]				200,728,229
Issuance of convertible preferred shares					$ 3,206,159
Stock-based compensation related to Series E convertible preferred stock					$ 123,614
Conversion of redeemable convertible preferred stock into common stock in connection with the reverse capitalization( in shares)	[1]	(1,155,909,367)
Conversion of convertible preferred stock into common stock in connection with the reverse recapitalization		$ (5,836,785)
Preferred stock, ending balance (in shares) at Dec. 31, 2021	[1]	0
Preferred stock, ending balance at Dec. 31, 2021		$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(2,579,761)									(2,579,761)
Issuance of Series E convertible preferred stock		(2,151,613)							(22,395)		(2,129,218)
Conversion of convertible preferred stock into common stock in connection with the reverse recapitalization (in shares)								1,155,909,367
Conversion of convertible preferred stock into common stock in connection with the reverse recapitalization		5,836,785						$ 116	5,836,669
Issuance of common stock and common stock warrants upon the reverse recapitalization, net of issuance costs (in shares)								425,395,023
Issuance of common stock and common stock warrants upon the reverse recapitalization, net of issuance costs		3,590,956						$ 42	3,590,914
Issuance and sale of common stock for tax withholdings of employee RSUs		(22,063)							(22,063)
Shares repurchased (in shares)								(857,825)
Treasury stock repurchase		$ (20,716)								(20,716)
Issuance of common stock upon vesting of employee RSUs (in shares)		601,176
Issuance of common stock upon exercise of common stock warrants (in shares)								26,640,121
Issuance of common stock upon exercise of common stock warrants		$ 173,273						$ 3	173,270
Redemption of public warrants		$ (4)							(4)
Issuance of common stock upon exercise of stock options (in shares)		11,076,026						11,076,026
Issuance of common stock upon exercise of stock options		$ 8,132						$ 1	8,131
Stock-based compensation		$ 393,143							393,143
Ending balance (in shares) at Dec. 31, 2021		1,647,555,590						1,647,555,590
Ending balance at Dec. 31, 2021		$ 3,909,355						$ 165	9,995,778	(20,716)	(6,065,872)
Preferred stock, beginning balance (in shares) at Jul. 22, 2021		437,182,072
Beginning balance (in shares) at Jul. 22, 2021		451,295,965
Ending balance (in shares) at Jul. 23, 2021		1,618,621,534
Preferred stock, beginning balance (in shares) at Jul. 22, 2021		437,182,072
Preferred stock, ending balance (in shares) at Dec. 31, 2021	[1]	0
Preferred stock, ending balance at Dec. 31, 2021		$ 0
Beginning balance (in shares) at Jul. 22, 2021		451,295,965
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of convertible preferred stock into common stock in connection with the reverse recapitalization (in shares)								1,155,909,367
Ending balance (in shares) at Dec. 31, 2021		1,647,555,590						1,647,555,590
Ending balance at Dec. 31, 2021		$ 3,909,355						$ 165	$ 9,995,778	$ (20,716)	$ (6,065,872)

[1] The number of shares of convertible preferred stock and common stock issued and outstanding prior to the Merger have been retroactively adjusted by the Exchange Ratio to give effect to the reverse recapitalization treatment of the Merger. See Note 1 - Description of Business and Note 3 - Reverse Capitalization for more information.