Notes Payable - Narrative Part 1 (Details) $ / shares in Units, $ in Millions					3 Months Ended		9 Months Ended
	Aug. 02, 2024 day $ / shares	Jun. 26, 2023 USD ($) claim $ / shares	May 08, 2023 USD ($) day $ / shares shares	Feb. 03, 2023 USD ($) $ / shares shares	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($)	Sep. 05, 2024 $ / shares	Aug. 01, 2024 $ / shares	Jul. 31, 2024 $ / shares	Jun. 30, 2024 $ / shares	Dec. 31, 2023 $ / shares shares	Aug. 04, 2023 USD ($) $ / shares shares	May 09, 2023 $ / shares	Mar. 23, 2023 USD ($)
Debt Instrument [Line Items]
Loss on settlement of notes payable				$ 3.0
Stock exchanged during period, value								$ 6.8
Exercise price (in dollars per share) | $ / shares											$ 110,400
SPA Warrants
Debt Instrument [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
Class A Common Stock
Debt Instrument [Line Items]
Warrants (in shares) | shares					7,228,048		7,228,048						244,853
Class A Common Stock | SPA Warrants
Debt Instrument [Line Items]
Warrants (in shares) | shares					15,143		15,143						13,906
Exercise price (in dollars per share) | $ / shares					$ 5.24		$ 5.24		$ 5.24			$ 29.33	$ 29.33
Percentage of the listed market price of the company's common stock at the close of the trading date												1.05
Unsecured SPA Notes
Debt Instrument [Line Items]
Debt instrument, floor price (in dollars per share) | $ / shares			$ 960.00
Unsecured SPA Notes | Notes Payable | Maximum
Debt Instrument [Line Items]
Contractual Interest Rates					15.00%		15.00%						15.00%
Unsecured SPA Notes | Notes Payable | Minimum
Debt Instrument [Line Items]
Contractual Interest Rates					10.00%		10.00%						10.00%
Unsecured SPA Notes | Notes Payable | Class A Common Stock
Debt Instrument [Line Items]
Debt instrument, convertible, threshold consecutive trading days | day			5
SPA Notes
Debt Instrument [Line Items]
Conversion price (in dollars per share) | $ / shares			$ 10,080												$ 8,568
Debt instrument, floor price (in dollars per share) | $ / shares			$ 2,016												$ 960.00
Loss on settlement of notes payable						$ 11.4		$ 11.4
SPA Notes | Notes Payable
Debt Instrument [Line Items]
Aggregate principal				$ 135.0												$ 25.0
Original issue discount percent			10.00%
Conversion price (in dollars per share) | $ / shares	$ 29.33			$ 10,080
Interest rate, interest or settlement paid in shares (in percent)			15.00%
Debt instrument, convertible, conversion fixed price amount (in dollars per share) | $ / shares										$ 29.33
Option to purchase additional shares, percentage of notes issued				50.00%
SPA Notes | Notes Payable | Make-Whole Amount
Debt Instrument [Line Items]
Loss on settlement of notes payable					$ (2.8)		$ (2.8)
SPA Notes | Notes Payable | Class A Common Stock
Debt Instrument [Line Items]
Conversion price (in percent)	90.00%		90.00%
Junior Secured Notes | Notes Payable
Debt Instrument [Line Items]
Conversion price (in dollars per share) | $ / shares									5.24
Debt instrument, floor price (in dollars per share) | $ / shares									$ 1.05
Contractual Interest Rates					10.00%		10.00%
Secured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Debt instrument, floor price (in dollars per share) | $ / shares	$ 435.84												$ 435.84
Percent decrease of original issue discount	50.00%		50.00%
Secured SPA Notes | Notes Payable | Maximum
Debt Instrument [Line Items]
Contractual Interest Rates					15.00%		15.00%						15.00%
Secured SPA Notes | Notes Payable | Minimum
Debt Instrument [Line Items]
Contractual Interest Rates					10.00%		10.00%						10.00%
Secured SPA Notes | Notes Payable | Make-Whole Amount
Debt Instrument [Line Items]
Conversion price (in percent)	90.00%		90.00%
Secured SPA Notes | Notes Payable | Class A Common Stock
Debt Instrument [Line Items]
Debt instrument, convertible, threshold consecutive trading days | day	5
Replacement Note | Notes Payable
Debt Instrument [Line Items]
Aggregate principal				$ 31.0
NPA and SPA Warrants
Debt Instrument [Line Items]
Aggregate principal				$ 41.0
Aggregate shares able to be purchased from warrants issued (in shares) | shares				20,639
Aggregate shares to be exchanged (in shares) | shares				9,426
Contractual Interest Rates				11.00%
Tranche C Notes | Notes Payable
Debt Instrument [Line Items]
Aggregate principal																$ 40.0
Original issue discount percent																14.00%
Tranche B Notes | Notes Payable
Debt Instrument [Line Items]
Aggregate principal																$ 5.0
Original issue discount percent																16.00%
Metaverse Horizon Limited and V W Investment Holding Limited | SPA Warrants
Debt Instrument [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 | Notes Payable
Debt Instrument [Line Items]
Aggregate principal			$ 100.0
Percent of purchaser's conversion shares					33.00%		33.00%
Streeterville Capital, LLC | Class A Common Stock
Debt Instrument [Line Items]
Conversion price (in dollars per share) | $ / shares														$ 8,568
Streeterville Capital, LLC | Class A Common Stock | Streeterville Warrant
Debt Instrument [Line Items]
Warrants (in shares) | shares														636
Term of warrants														7 years
Streeterville Capital, LLC | Streeterville SPA
Debt Instrument [Line Items]
Common stock, percentage of issued and outstanding shares														19.99%
Streeterville Capital, LLC | Streeterville SPA | Notes Payable
Debt Instrument [Line Items]
Aggregate principal														$ 16.5
Notes payable principal amounts														0.2
Original discount														1.5
Streeterville Capital, LLC | Streeterville SPA | Notes Payable | Maximum
Debt Instrument [Line Items]
Option to purchase additional shares														$ 15.0
Long-term debt, term														5 years
Streeterville Capital, LLC | Streeterville SPA | Notes Payable | Minimum
Debt Instrument [Line Items]
Option to purchase additional shares														$ 7.5
Streeterville Capital, LLC | Streeterville SPA | Notes Payable | Class A Common Stock
Debt Instrument [Line Items]
Conversion price (in dollars per share) | $ / shares				$ 8,568
FF Vitality Ventures LLC
Debt Instrument [Line Items]
Notes payable principal amounts		$ 0.3
FF Vitality Ventures LLC | Maximum
Debt Instrument [Line Items]
Notes payable principal amounts		$ 0.4
FF Vitality Ventures LLC | Notes Payable
Debt Instrument [Line Items]
Percent of purchaser's conversion shares		33.00%
FF Vitality Ventures LLC | Unsecured SPA Notes
Debt Instrument [Line Items]
Debt instrument, floor price (in dollars per share) | $ / shares		$ 480.00
Commitment amount, number of installments | claim		8
FF Vitality Ventures LLC | Unsecured SPA Notes | Maximum
Debt Instrument [Line Items]
Total commitments		$ 40.0
FF Vitality Ventures LLC | Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Conversion price (in dollars per share) | $ / shares		$ 8,568
Option to purchase additional debt, additional amount														20.0
Option to purchase additional notes, period		12 months
FF Vitality Ventures LLC | Tranche B Notes | Notes Payable
Debt Instrument [Line Items]
Aggregate principal		$ 20.0
Option to purchase additional debt		10.0
Option to purchase additional debt, additional amount														$ 10.0
Senyun
Debt Instrument [Line Items]
Notes payable principal amounts		0.2
Senyun | Maximum
Debt Instrument [Line Items]
Notes payable principal amounts		$ 0.3
Senyun | Unsecured SPA Notes
Debt Instrument [Line Items]
Commitment amount, number of installments | claim		8
Senyun | Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Debt instrument, floor price (in dollars per share) | $ / shares		$ 436.00
Total commitments		$ 30.0
Senyun | Tranche A Notes | Notes Payable
Debt Instrument [Line Items]
Aggregate principal		15.0
Option to purchase additional debt		10.0
Option to purchase additional debt, additional amount		$ 20.0