Business Combination - Narrative (Details) $ / shares in Units, $ in Thousands			3 Months Ended	12 Months Ended
	Jul. 21, 2021 USD ($) trading_day tranche $ / shares shares	Jul. 20, 2021 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares	Aug. 10, 2021 $ / shares shares	Jun. 09, 2021
Business Acquisition [Line Items]
Exchange ratio	0.14130
Proceeds from issuance of Class A Common Stock in the Business Combination	$ 229,583			$ 229,583	$ 0
Cash received through reverse recapitalization	206,435
Redemptions	$ 206
Conversion ratio	1
Shares attributable to reverse recapitalization (in shares) | shares	244,293,395
Issued shares (in shares) | shares			168,693,323	168,693,323	157,100,184
Contingent consideration, earnout shares, number of tranches | tranche	2
Fair value of earnout shares	$ 293,853
Fair value of the private warrants	$ 2,152			$ 642
Options outstanding (in shares) | shares	42,193,512
Aggregate purchase price	$ 761,400
Payments to settle liabilities	$ 139,557	$ 139,557
Notes payable		85,202
Notes payable accrued interest		7,436
Interests in the Vendor Trust		124,671
Accounts payable		102,950
Payables		8,380
Accrued interest on purchase orders		13,341
Amounts due to vendors		19,791
Amounts due to active and former employees		$ 9,592
Loss upon extinguishment of debt, excluding forgiveness of vendor interest			$ 94,727
Conversion of assumed PSAC convertible and promissory notes payable into Class A Common Stock (in shares) | shares	80,000
Amount settled	$ 800
Total direct and incremental transaction costs	125,943
Amount expensed as part of the Business Combination	900
Equity issuance costs	$ 125,043
Restricted Stock | Deferred Salary And Bonuses Settlement
Business Acquisition [Line Items]
Purchase price per share (in dollars per share) | $ / shares	$ 13.78
Stock issued from awards (in shares) | shares	1,404,459	1,350,970
Pro Forma
Business Acquisition [Line Items]
Issued shares (in shares) | shares			321,846,041	321,846,041	157,100,184
Outstanding shares (in shares) | shares			320,433,395	320,433,395
Private Warrants
Business Acquisition [Line Items]
Warrants (in shares) | shares	594,551
Warrants issued (in shares) | shares	80,000
US-Based Investment Firm Warrants
Business Acquisition [Line Items]
Warrants term							7 years
Warrants rights (in shares) | shares						1,187,083
Exercise price of the warrant (in dollars per share) | $ / shares						$ 10.00
PSAC Warrants
Business Acquisition [Line Items]
Amount settled	$ 800
Related party notes payable | Affiliated Entity
Business Acquisition [Line Items]
Notes payable, related parties		$ 91,420
Notes payable, related parties, accrued interest		$ 13,581
Amount settled	$ 800
Related party notes payable | Affiliated Entity | Private Warrants
Business Acquisition [Line Items]
Warrants issued (in shares) | shares	80,000
Earnout Shares, Tranche One
Business Acquisition [Line Items]
Contingent consideration, earnout shares, stock price trigger | $ / shares	$ 13.50
Contingent consideration, earnout shares, period, threshold trading days | trading_day	20
Contingent consideration, earnout shares, threshold consecutive trading days | trading_day	30
Earnout Shares, Tranche Two
Business Acquisition [Line Items]
Contingent consideration, earnout shares, stock price trigger | $ / shares	$ 15.50
Contingent consideration, earnout shares, period, threshold trading days | trading_day	20
Contingent consideration, earnout shares, threshold consecutive trading days | trading_day	30
Class A Common Stock
Business Acquisition [Line Items]
Conversion ratio	1				1
Issued shares (in shares) | shares			167,280,677	167,280,677
Contingent consideration, earnout shares (in shares) | shares	25,000,000
Warrants (in shares) | shares			28,196,377	28,196,377
Number of shares purchased (in shares) | shares	76,140,000
Purchase price per share (in dollars per share) | $ / shares	$ 10.00
Shares issued from reverse recapitalization (in shares) | shares	24,464,994	24,464,994
Reverse recapitalization, share price (in dollars per share) | $ / shares		$ 10.00
Class A Common Stock | Public Warrants
Business Acquisition [Line Items]
Warrants (in shares) | shares	22,977,568		22,977,568	22,977,568
Warrants term			5 years	5 years
Exercise price of the warrant (in dollars per share) | $ / shares			$ 11.50	$ 11.50
Class A Common Stock | Private Warrants
Business Acquisition [Line Items]
Warrants (in shares) | shares			674,551	674,551
Exercise price of the warrant (in dollars per share) | $ / shares			$ 11.50	$ 11.50
Class A Common Stock | US-Based Investment Firm Warrants
Business Acquisition [Line Items]
Warrants rights (in shares) | shares	2,687,083					1,500,000
Exercise price of the warrant (in dollars per share) | $ / shares	$ 10.00					$ 10.00
Common stock, shares issuable (in shares) | shares	44,880,595
Class A Common Stock | PSAC Warrants
Business Acquisition [Line Items]
Exercise price of the warrant (in dollars per share) | $ / shares	$ 11.50
Class A Common Stock | Earnout Shares, Tranche One
Business Acquisition [Line Items]
Contingent consideration, earnout shares (in shares) | shares	12,500,000
Class A Common Stock | Earnout Shares, Tranche Two
Business Acquisition [Line Items]
Contingent consideration, earnout shares (in shares) | shares	12,500,000
Class A Common Stock | Legacy FF Shareholders
Business Acquisition [Line Items]
Shares attributable to reverse recapitalization (in shares) | shares	127,949,403
Class B Common Stock
Business Acquisition [Line Items]
Conversion ratio	1		1	1
Class B Common Stock | Legacy FF Shareholders
Business Acquisition [Line Items]
Shares attributable to reverse recapitalization (in shares) | shares	64,000,588
Redeemable Preferred Stock
Business Acquisition [Line Items]
Reclassifications of temporary to permanent equity					$ 724,823
Class B Redeemable Preferred Stock
Business Acquisition [Line Items]
Reclassifications of temporary to permanent equity					697,643
Class A-1 Convertible Preferred Stock
Business Acquisition [Line Items]
Exchange ratio	0.14130
Reclassifications of temporary to permanent equity					119,047
Class A-1 Convertible Preferred Stock | Legacy FF Shareholders
Business Acquisition [Line Items]
Shares attributable to reverse recapitalization (in shares) | shares	10,358,162
Class A-2 Convertible Preferred Stock
Business Acquisition [Line Items]
Exchange ratio	0.14130
Reclassifications of temporary to permanent equity					271,925
Class A-2 Convertible Preferred Stock | Legacy FF Shareholders
Business Acquisition [Line Items]
Shares attributable to reverse recapitalization (in shares) | shares	19,603,624
Class A-3
Business Acquisition [Line Items]
Exchange ratio	0.14130
Reclassifications of temporary to permanent equity					$ 2,199
Class A-3 | Legacy FF Shareholders
Business Acquisition [Line Items]
Shares attributable to reverse recapitalization (in shares) | shares	181,143