Consolidated Statements of Stockholders’ Equity (Deficit) - USD ($) $ in Thousands	Total	The9 Conditional Obligation	Related Party Notes Payable	Notes Payable	Commitment To Issue Registered Shares	Cumulative Effect, Period of Adoption, Adjustment	Additional Paid-in Capital	Additional Paid-in Capital The9 Conditional Obligation	Additional Paid-in Capital Related Party Notes Payable	Additional Paid-in Capital Notes Payable	Additional Paid-in Capital Commitment To Issue Registered Shares	Accumulated Other Comprehensive Loss	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment	Class A Common Stock	Class A Common Stock Commitment To Issue Registered Shares	Class A Common Stock Cumulative Effect, Period of Adoption, Adjustment	Class A Common Stock Common Stock	Class A Common Stock Common Stock The9 Conditional Obligation	Class A Common Stock Common Stock Related Party Notes Payable	Class A Common Stock Common Stock Notes Payable	Class A Common Stock Common Stock Commitment To Issue Registered Shares	Class B Common Stock Common Stock
Ending Balance, Temporary Equity (in shares) at Dec. 31, 2021															0
Ending Balance, Temporary Equity at Dec. 31, 2021															$ 0
Ending Balance, Temporary Equity (Accounting Standards Update 2020-06) at Dec. 31, 2021																	$ 32,900
Beginning Balance (in shares) at Dec. 31, 2020																		93,099,596					64,000,588
Beginning Balance at Dec. 31, 2020	$ (579,338)						$ 1,817,760					$ (5,974)	$ (2,391,139)					$ 9					$ 6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of convertible securities (in shares)																			423,053	22,454,776	7,688,153
Conversion of The9Conditional Obligation		$ 2,863	$ 294,796	$ 98,375				$ 2,863	$ 294,794	$ 98,374										$ 2	$ 1
Issuance of Class A Common Stock in the Business Combination, net of transaction costs (in shares)																		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)																		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)																		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)																		(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)																		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)																		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 and settlement on restricted stock tax withholding (in shares)																		4,388,596
Exercise of stock options and settlement on restricted stock tax withholding	10,587						10,587
Settlement of receivables through receipt of Class A Common Stock (in shares)																		(43,096)
Settlement of receivables through receipt of Class A Common Stock	(105)						(105)
Issuance of warrants	17,596						17,596
Foreign currency translation adjustment	(971)											(971)
Net loss	(516,505)												(516,505)
Ending Balance (in shares) at Dec. 31, 2021																		168,693,323					0
Ending Balance at Dec. 31, 2021	567,654						3,482,226					(6,945)	(2,907,644)					$ 17					$ 0
Ending Balance (Accounting Standards Update 2020-06) at Dec. 31, 2021						$ (20,265)								$ (20,265)
Ending Balance (Accounting Standards Update 2016-02) at Dec. 31, 2021						$ 3,393								$ 3,393
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance pursuant to commitment to issue registered shares																$ (32,900)
Ending Balance, Temporary Equity (in shares) at Dec. 31, 2022															0
Ending Balance, Temporary Equity at Dec. 31, 2022															$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of convertible securities (in shares)																		258,910,861
Conversion of The9Conditional Obligation	99,481						99,455											$ 26
Class A Common Stock to be delivered for conversion of notes payable	(926)						(926)
Issuance of Class A common stock in the PIPE financing, net of transaction costs (in shares)																		89,152,131				2,387,500	64,000,588
Issuance of Class A Common Stock in the PIPE Financing, net of transaction costs	0				$ 32,900		(15)				$ 32,900							$ 9					$ 6
Stock-based compensation	17,653						17,653
Chongqing related party note payable restructuring	17,399						17,399
Exercise of stock options and settlement on restricted stock tax withholding (in shares)																		4,100,008
Exercise of stock options and settlement on restricted stock tax withholding	9,015						9,015
Exercise of warrants (in shares)																		29,102,536
Exercise of warrants	4,229						4,226											$ 3
Amended exercise price of ATW NPA warrants	1,238						1,238
Adjustments to Additional Paid in Capital, Transfer Of Warrants	264						264
Repurchase and retirement of common stock (in shares)																		(96,759)
Repurchase and retirement of Class A Common Stock	(767)						(767)
Receipt of class A common stock in consideration of exercises of options (in shares)																		(311,878)
Receipt of Class A Common Stock in consideration of exercises of options	(669)						(669)
Issuance of shares for RSU vesting (in shares)																		11,408,494
Issuance of shares for restricted stock vesting	0						(1)											$ 1
Liability for insufficient authorized shares related to stock options and RSUs	(3,977)						(3,977)
Liability for insufficient authorized shares related to earnout	(2,250)						(2,250)
Foreign currency translation adjustment	10,450											10,450
Net loss	(552,069)												(552,069)
Ending Balance (in shares) at Dec. 31, 2022																		563,346,216					64,000,588
Ending Balance at Dec. 31, 2022	$ 182,753						$ 3,655,771					$ 3,505	$ (3,476,585)					$ 56					$ 6