Related Party Transactions - Narrative (Details) $ / shares in Units, $ in Thousands													3 Months Ended		9 Months Ended		12 Months Ended		51 Months Ended
	Sep. 04, 2024 USD ($)	Mar. 06, 2024 USD ($)	Sep. 21, 2023	May 31, 2023 USD ($)	May 08, 2023 USD ($) shares	Apr. 10, 2023 USD ($)	Apr. 08, 2023 USD ($)	Mar. 06, 2023 USD ($)	Feb. 09, 2023 USD ($)	Feb. 06, 2023 USD ($)	Feb. 01, 2023 USD ($)	Jan. 31, 2023 USD ($)	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2022 lease	Feb. 29, 2024 USD ($)	Jan. 31, 2024 USD ($)	Nov. 30, 2023 USD ($)	Feb. 28, 2023 USD ($)	Jul. 30, 2022 USD ($)
Related Party Transaction [Line Items]
Repayments of related party debt, percentage of outstanding principal																		10.00%
Accounts payable													$ 81,369		$ 81,369		$ 93,170
Accrued expenses and other current liabilities													$ 59,391		$ 59,391		62,391
Salary deduction and stock purchase agreement, anniversary duration													3 months		3 months
Stock issued during period, shares, stock purchase agreement (in shares) | shares															10,455
Salary deduction and stock purchased agreement, per share weighted average price of shares purchased (in dollars per share) | $ / shares													$ 3.42		$ 3.42
Certain Executive Officers
Related Party Transaction [Line Items]
Salary reduction per paycheck (in percent)			50.00%
Vehicle Lease Expense
Related Party Transaction [Line Items]
Related party transaction, amount of transaction															$ 100
Related Party
Related Party Transaction [Line Items]
Loss on settlement of notes payable													$ 0	$ (10,756)	(14,295)	$ (17,248)
Unpaid Principal Balance													14,714		14,714		9,760
Change in fair value of notes payable and warrant liabilities													654	4,726	315	5,110
Interest expense													1,212	69	7,812	139
Accounts payable													500		500		200
Notes payable principal amounts																	542
Notes payable													14,714		14,714		9,760
Related Party | Related party notes – China
Related Party Transaction [Line Items]
Loss on settlement of notes payable													0		(14,100)
Unpaid Principal Balance													$ 7,706		$ 7,706		$ 5,103
Contractual Interest Rates													18.00%		18.00%		18.00%
Interest expense															$ 20,000		$ 800
Related Party | Related party notes – Convertible FFGP
Related Party Transaction [Line Items]
Unpaid Principal Balance													$ 250		$ 250					$ 300
Contractual Interest Rates													4.27%		4.27%
Related Party | Related party notes – FFGP
Related Party Transaction [Line Items]
Unpaid Principal Balance													$ 1,576		$ 1,576		$ 326				$ 1,600	$ 1,600
Related Party | Related party notes – FFGP | Minimum
Related Party Transaction [Line Items]
Contractual Interest Rates													4.27%		4.27%		4.27%				4.27%	4.27%
Related Party | Related party notes – FFGP | Maximum
Related Party Transaction [Line Items]
Contractual Interest Rates													5.27%		5.27%		5.27%				5.27%	5.27%
Related Party | X-Butler
Related Party Transaction [Line Items]
Payments with related party													$ 0	100
Related Party | Ocean View Drive Inc.
Related Party Transaction [Line Items]
Payments for seizure of funds related to ongoing litigation									$ 200
Related Party | FF Top Executive Reimbursements
Related Party Transaction [Line Items]
Payments with related party				$ 300		$ 100	$ 200			$ 200	$ 200		200	$ 900	$ 700	$ 1,400
Accounts payable													1,500		1,500
Notes payable principal amounts												$ 700						$ 300
Threshold amount												5,000												$ 200
Notes payable												400
Legal expense reimbursement requested																							$ 6,500
Accrued expenses and other current liabilities																	$ 600
Related Party | FF Top Executive Reimbursements | Debt Instrument, Redemption, Period One
Related Party Transaction [Line Items]
Payments with related party												200
Related Party | FF Top Executive Reimbursements | Debt Instrument, Redemption, Period Two
Related Party Transaction [Line Items]
Payments with related party												$ 200
Related Party | Consulting Service Agreement with FF Global Partners
Related Party Transaction [Line Items]
Threshold amount		$ 100
Monthly fee								$ 200
Related party transaction, initial term								12 months
Related party transaction, renewal term								12 months
Prior written notice period		1 month
Related Party | Leshi Information Technology Co., Ltd. (“LeTV”)
Related Party Transaction [Line Items]
Accrued expenses and other current liabilities													7,800		7,800		7,500
Affiliated Entity | Rancho Palos Verdes Real Property Leases
Related Party Transaction [Line Items]
Number of leases | lease																			2
Accounts payable													$ 200		$ 200		$ 100
Affiliated Entity | FF Top Executive Reimbursements
Related Party Transaction [Line Items]
Payments with related party																		$ 400
Affiliated Entity | Common Units Of FF Global Partners LLC | FF Global Partners LLC
Related Party Transaction [Line Items]
Stock issued during period, shares, employee stock purchase plans (in shares) | shares																		600,000
Purchase price (in dollars per share) | $ / shares																		$ 20.00
Installments term																		10 years
SPA Warrants
Related Party Transaction [Line Items]
Aggregate shares able to be purchased from warrants issued (in shares) | shares													15,143		15,143		13,906
Term of warrants													7 years		7 years
Notes Payable
Related Party Transaction [Line Items]
Unpaid Principal Balance													$ 79,720		$ 79,720		$ 118,917
Unsecured SPA Notes | Notes Payable
Related Party Transaction [Line Items]
Unpaid Principal Balance													$ 22,802		$ 22,802		$ 13,885
Unsecured SPA Notes | Notes Payable | Minimum
Related Party Transaction [Line Items]
Contractual Interest Rates													10.00%		10.00%		10.00%
Unsecured SPA Notes | Notes Payable | Maximum
Related Party Transaction [Line Items]
Contractual Interest Rates													15.00%		15.00%		15.00%
Unsecured SPA Notes and Warrants | Related Party
Related Party Transaction [Line Items]
Loss on settlement of notes payable													$ 0		$ (200)
Metaverse Horizon Limited and V W Investment Holding Limited | SPA Warrants
Related Party Transaction [Line Items]
Aggregate shares able to be purchased from warrants issued (in shares) | shares					886
Term of warrants													7 years		7 years
Metaverse Horizon Limited and V W Investment Holding Limited | Unsecured SPA Notes
Related Party Transaction [Line Items]
Amount committed					$ 80,000
Metaverse Horizon Limited and V W Investment Holding Limited | Unsecured SPA Notes and Warrants | Notes Payable
Related Party Transaction [Line Items]
Proceeds from notes payable, net of original issuance discount					$ 20,700
Debt conversion, converted instrument, amount															$ 700
Conversion of notes payable and accrued interest into Class A Common Stock (in shares) | shares															33,108
Metaverse Horizon Limited | Related Party | Related Party Notes – Unsecured Convertible Note
Related Party Transaction [Line Items]
Unpaid Principal Balance																					$ 1,500
Contractual Interest Rates																					4.27%
Change in fair value of notes payable and warrant liabilities													$ 600		$ 100
Mr. Aydt
Related Party Transaction [Line Items]
Salary reduction per paycheck (in percent)	64.00%
Salary deduction and stock purchase agreement, initial pro-rated based salary	$ 550
Mr. Jia
Related Party Transaction [Line Items]
Salary reduction per paycheck (in percent)	56.00%
Salary deduction and stock purchase agreement, initial pro-rated based salary	$ 612