Notes Payable - Schedule of Notes Payable (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Related Party
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 15,159	$ 9,760
Less: Related party notes payable	(1,951)	(542)
Less: Related party notes payable, current	(15,159)	(9,760)
Notes payable, less current portion	0	0
Nonrelated Party
Debt Instrument [Line Items]
Less: Related party notes payable, current	(77,394)	(91,150)
Notes payable, less current portion	0	0
Notes Payable
Debt Instrument [Line Items]
Unpaid Principal Balance	110,768	118,917
Fair Value Measurement Adjustments	(21,717)	(14,293)
Original Issue Discount and Proceeds Allocated to Warrants	(9,706)	(12,932)
Net Carrying Value	79,345	91,692
Notes Payable \| Nonrelated Party
Debt Instrument [Line Items]
Unpaid Principal Balance	109,267
Secured SPA Notes \| Notes Payable
Debt Instrument [Line Items]
Unpaid Principal Balance	74,931	100,052
Fair Value Measurement Adjustments	(25,011)	(15,501)
Original Issue Discount and Proceeds Allocated to Warrants	(7,205)	(10,319)
Net Carrying Value	$ 42,715	$ 74,232
Secured SPA Notes \| Notes Payable \| Minimum
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%	10.00%
Secured SPA Notes \| Notes Payable \| Maximum
Debt Instrument [Line Items]
Contractual Interest Rates	15.00%	15.00%
Unsecured SPA Notes \| Notes Payable
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 12,815	$ 13,885
Fair Value Measurement Adjustments	189	1,208
Original Issue Discount and Proceeds Allocated to Warrants	(2,501)	(2,613)
Net Carrying Value	$ 10,503	$ 12,480
Unsecured SPA Notes \| Notes Payable \| Minimum
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%	10.00%
Unsecured SPA Notes \| Notes Payable \| Maximum
Debt Instrument [Line Items]
Contractual Interest Rates	15.00%	15.00%
Unsecured Convertible Notes \| Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	4.27%
Unpaid Principal Balance	$ 18,080
Fair Value Measurement Adjustments	3,105
Original Issue Discount and Proceeds Allocated to Warrants	0
Net Carrying Value	$ 21,185
Notes payable – China other \| Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	0.00%	0.00%
Unpaid Principal Balance	$ 4,878	$ 4,898
Fair Value Measurement Adjustments	0
Original Issue Discount and Proceeds Allocated to Warrants	0
Net Carrying Value	$ 4,878	$ 4,898
Auto loans \| Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	7.00%	7.00%
Unpaid Principal Balance	$ 64	$ 82
Fair Value Measurement Adjustments	0
Original Issue Discount and Proceeds Allocated to Warrants	0
Net Carrying Value	$ 64	$ 82

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