Consolidated Statements of Stockholders’ Equity (Deficit) - USD ($) $ in Thousands		Total	Previously Reported	Revision of Prior Period, Adjustment	Additional Paid-in Capital	Additional Paid-in Capital Previously Reported	Additional Paid-in Capital Revision of Prior Period, Adjustment	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Previously Reported	Accumulated Other Comprehensive Loss Revision of Prior Period, Adjustment	Accumulated Deficit	Accumulated Deficit Previously Reported	Accumulated Deficit Revision of Prior Period, Adjustment	Redeemable Preference	Redeemable Preference Previously Reported	Redeemable Preference Revision of Prior Period, Adjustment	Convertible notes payable	Convertible notes payable Previously Reported	Convertible notes payable Revision of Prior Period, Adjustment	Class A Common Stock	Class A Common Stock Ordinary Stock	Class A Common Stock Ordinary Stock Previously Reported	Class A Common Stock Ordinary Stock Revision of Prior Period, Adjustment	Class A Common Stock Common Stock	Class A Common Stock Common Stock Previously Reported	Class A Common Stock Common Stock Revision of Prior Period, Adjustment	Class B Common Stock Common Stock	Class B Common Stock Common Stock Previously Reported	Class B Common Stock Common Stock Revision of Prior Period, Adjustment
Beginning Balance, Temporary Equity (in shares) at Dec. 31, 2019	[1]													0	470,588,235	(470,588,235)	0	600,000,000	(600,000,000)
Beginning Balance, Temporary Equity at Dec. 31, 2019														$ 0	$ 724,823	$ (724,823)	$ 0	$ 924,149	$ (924,149)
Ending Balance, Temporary Equity (in shares) at Dec. 31, 2020	[1]													0			0
Ending Balance, Temporary Equity at Dec. 31, 2020														$ 0			$ 0
Beginning Balance (in shares) at Dec. 31, 2019	[1]																				0	40,879,124	(40,879,124)	72,269,976	0	72,269,976	84,780,000	0	84,780,000
Beginning Balance at Dec. 31, 2019		$ (439,662)	$ (2,088,634)	$ 1,648,972	$ 1,807,661	$ 158,704	$ 1,648,957	$ (3,284)	$ (3,284)	$ 0	$ (2,244,054)	$ (2,244,054)	$ 0								$ 0	$ 0	$ 0	$ 7	$ 0	$ 7	$ 8	$ 0	$ 8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of Class B Common Stock into Class A Common Stock (in shares)	[1]																							20,779,412			(20,779,412)
Conversion of Class B Common Stock into Class A Common Stock																								$ 2			$ (2)
Stock-based compensation		9,505			9,505
Exercise of stock options (in shares)	[1]																							54,259
Exercise of stock options		115			115
Settlement of receivables through receipt of Class A Common Stock (in shares)	[1]																							(4,051)
Settlement of receivables through receipt of Class A Common Stock		(11)			(11)
Issuance of warrants		490			490
Foreign currency translation		(2,690)						(2,690)
Net loss		(147,085)									(147,085)
Ending Balance (in shares) at Dec. 31, 2020	[1]																				0			93,099,596			64,000,588
Ending Balance at Dec. 31, 2020		(579,338)			1,817,760			(5,974)			(2,391,139)										$ 0			$ 9			$ 6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of The9 Conditional Obligation (in shares)	[2]																			423,053
Conversion of The9 Conditional Obligation		2,863			2,863
Conversion of related party notes payable into Class A Common Stock (in shares)	[2]																							22,454,776
Conversion of related party notes payable into Class A Common Stock		294,796			294,794																			$ 2
Conversion of notes payable into Class A Common Stock (in shares)	[2]																							7,688,153
Conversion of notes payable into Class A Common Stock		98,375			98,374																			$ 1
Issuance of Class A Common Stock in the Business Combination, net of transaction costs (in shares)	[2]																							27,798,411
Issuance of Class A Common Stock in the Business Combination, net of transaction costs		170,114			170,111																			$ 3
Conversion of assumed PSAC convertible and promissory notes payable into Class A Common Stock (in shares)	[2]																							80,000
Conversion of assumed PSAC convertible and promissory notes payable into Class A Common Stock		790			790
Conversion of liabilities into Class A Common Stock in the Business Combination (in shares)	[2]																							22,586,392
Conversion of liabilities into Class A Common Stock in the Business Combination		311,798			311,795																			$ 3
Conversion of liabilities into the commitment to issue Class A Common Stock in the Business Combination		(25,877)			(25,877)
Legacy FF Ordinary Stock exchanged in the Business Combination for a commitment to issue Class A and Class B Common Stock (in shares)	[2]																							(87,273,528)			(64,000,588)
Legacy FF Ordinary Stock exchanged in the Business Combination for a commitment to issue Class A and Class B Common Stock		0			15																			$ (9)			$ (6)
Issuance of Class A Common Stock in the PIPE Financing, net of transaction costs (in shares)	[2]																							76,140,000
Issuance of Class A Common Stock in the PIPE Financing, net of transaction costs		692,405			692,397																			$ 8
Settlement of lawsuit with issuance of vested stock options		8,459			8,459
Settlement of accrued rent with issuance of vested stock options		951			951
Vesting of restricted stock award for employee bonus (in shares)	[2]																							1,350,970
Vesting of restricted stock award for employee bonus		18,617			18,617
Stock-based compensation		11,345			11,345
Exercise of stock options (in shares)	[2]																							4,388,596
Exercise of stock options		10,587			10,587
Settlement of receivables through receipt of Class A Common Stock (in shares)	[2]																							(43,096)
Settlement of receivables through receipt of Class A Common Stock		(105)			(105)
Issuance of warrants		17,596			17,596
Foreign currency translation		(971)						(971)
Net loss		(516,505)									(516,505)
Ending Balance (in shares) at Dec. 31, 2021	[2]																							168,693,323			0
Ending Balance at Dec. 31, 2021		$ 567,654			$ 3,482,226			$ (6,945)			$ (2,907,644)													$ 17			$ 0

[1] The shares of the Company’s common stock prior to the Business Combination (as defined in Note 1) have been retrospectively recast to reflect the change in the capital structure as a result of the Business Combination as described in Note 3.

[2] The shares of the Company’s common stock prior to the Business Combination (as defined in Note 1) have been retrospectively recast to reflect the change in the capital structure as a result of the Business Combination as described in Note 3.