Unaudited Condensed Consolidated Statement of Stockholders’ Equity - USD ($) $ in Thousands	Total	April 21, 2023	August 25, 2023	Notes Payable	Common Stock Class A Common Stock	Common Stock Class A Common Stock Notes Payable	Common Stock Class B Common Stock	Additional Paid-in Capital	Additional Paid-in Capital April 21, 2023	Additional Paid-in Capital August 25, 2023	Additional Paid-in Capital Notes Payable	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2022					58,682		6,667
Beginning balance at Dec. 31, 2022	$ 200,992				$ 0		$ 0	$ 3,724,242				$ 3,505	$ (3,526,755)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of notes payable and accrued interest into Class A Common Stock (in shares)						185,601
Conversion of notes payable and accrued interest into Class A Common Stock				$ 335,015							$ 335,015
Change in classification of warrants from Additional paid-in capital to liability pursuant to the Warrant Exchange	(6,811)							(6,811)
Reclassification of earnout shares from liability to equity on February 28, 2023 due to authorized share increase	5,014							5,014
Reclassification of stock-based awards from liability to equity on February 28, 2023 due to authorized share increase	8,978							8,978
Reclassification of earnout shares from liability to equity due to authorized share increase		$ (2,112)	$ 1,381						$ (2,112)	$ 1,381
Reclassification of stock-based awards from liability to equity due to authorized share increase		$ (2,979)	$ 2,043						$ (2,979)	$ 2,043
Issuance of common stock (in shares)					13,480
Issuance of common stock	8,520							8,520
Reverse stock split related round up share issuances (in shares)					1,366
Stock-based compensation	4,840							4,840
Exercise of warrants (in shares)					5,326
Exercise of warrants	51,276							51,276
Exercise of stock options (in shares)					6
Exercise of stock options	44							44
Issuance of shares for RSU vesting net of tax withholdings (in shares)					271
Issuance of shares for RSU vesting net of tax withholdings	(458)							(458)
Cancellations (in shares)					(26)
Foreign currency translation adjustment	4,007											4,007
Net loss	(347,947)												(347,947)
Ending balance (in shares) at Sep. 30, 2023					264,706		6,667
Ending balance at Sep. 30, 2023	261,803				$ 0		$ 0	4,128,993				7,512	(3,874,702)
Beginning balance (in shares) at Dec. 31, 2022					58,682		6,667
Beginning balance at Dec. 31, 2022	200,992				$ 0		$ 0	3,724,242				3,505	(3,526,755)
Ending balance (in shares) at Dec. 31, 2023					1,060,833		6,667
Ending balance at Dec. 31, 2023	228,236				$ 0		$ 0	4,180,873				5,862	(3,958,499)
Beginning balance (in shares) at Jun. 30, 2023					148,310		6,667
Beginning balance at Jun. 30, 2023	277,700				$ 0		$ 0	4,065,284				9,072	(3,796,656)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of notes payable and accrued interest into Class A Common Stock (in shares)						101,518
Conversion of notes payable and accrued interest into Class A Common Stock				51,907							51,907
Reclassification of earnout shares from liability to equity due to authorized share increase	1,381							1,381
Reclassification of stock-based awards from liability to equity due to authorized share increase	2,043							2,043
Issuance of common stock (in shares)					13,480
Issuance of common stock	8,520							8,520
Reverse stock split related round up share issuances (in shares)					1,366
Stock-based compensation	216							216
Issuance of shares for RSU vesting net of tax withholdings (in shares)					32
Issuance of shares for RSU vesting net of tax withholdings	(358)							(358)
Foreign currency translation adjustment	(1,560)											(1,560)
Net loss	(78,046)												(78,046)
Ending balance (in shares) at Sep. 30, 2023					264,706		6,667
Ending balance at Sep. 30, 2023	261,803				$ 0		$ 0	4,128,993				7,512	(3,874,702)
Beginning balance (in shares) at Dec. 31, 2023					1,060,833		6,667
Beginning balance at Dec. 31, 2023	228,236				$ 0		$ 0	4,180,873				5,862	(3,958,499)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of notes payable and accrued interest into Class A Common Stock (in shares)						29,077,806
Conversion of notes payable and accrued interest into Class A Common Stock				159,906		$ 3					159,903
Reclassification of SPA Warrants from liability to equity	160							160
Issuance of common stock and warrants	10							10
Settlement of Palantir dispute with issuance of Class A Common Stock (in shares)					252,768
Settlement of Palantir dispute with issuance of Class A Common Stock	$ 2,400							2,400
Purchase of Class A Common Stock under Salary Deduction and Stock Purchase Agreements (in shares)	10,455				10,455
Purchase of Class A Common Stock under Salary Deduction and Stock Purchase Agreements	$ 36							36
Reverse stock split related round up share issuances (in shares)					306,779
Stock-based compensation	2,252							2,252
Issuance of shares for RSU vesting net of tax withholdings (in shares)					5,088
Issuance of shares for RSU vesting net of tax withholdings	(10)							(10)
Foreign currency translation adjustment	(1,646)											(1,646)
Net loss	(234,588)												(234,588)
Ending balance (in shares) at Sep. 30, 2024					30,713,729		6,667
Ending balance at Sep. 30, 2024	156,756				$ 3		$ 0	4,345,624				4,216	(4,193,087)
Beginning balance (in shares) at Jun. 30, 2024					11,031,625		6,667
Beginning balance at Jun. 30, 2024	148,682				$ 1		$ 0	4,257,356				6,726	(4,115,401)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Conversion of notes payable and accrued interest into Class A Common Stock (in shares)						19,107,321
Conversion of notes payable and accrued interest into Class A Common Stock				$ 84,081		$ 2					$ 84,079
Reclassification of SPA Warrants from liability to equity	160							160
Issuance of common stock and warrants	10							10
Settlement of Palantir dispute with issuance of Class A Common Stock (in shares)					252,768
Settlement of Palantir dispute with issuance of Class A Common Stock	2,400							2,400
Purchase of Class A Common Stock under Salary Deduction and Stock Purchase Agreements (in shares)					10,455
Purchase of Class A Common Stock under Salary Deduction and Stock Purchase Agreements	36							36
Reverse stock split related round up share issuances (in shares)					306,472
Stock-based compensation	1,593							1,593
Issuance of shares for RSU vesting net of tax withholdings (in shares)					5,088
Issuance of shares for RSU vesting net of tax withholdings	(10)							(10)
Foreign currency translation adjustment	(2,510)											(2,510)
Net loss	(77,686)												(77,686)
Ending balance (in shares) at Sep. 30, 2024					30,713,729		6,667
Ending balance at Sep. 30, 2024	$ 156,756				$ 3		$ 0	$ 4,345,624				$ 4,216	$ (4,193,087)