Notes Payable - Schedule of Notes Payable (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Related Party
Debt Instrument [Line Items]
Unpaid Principal Balance	$ 14,829	$ 9,760
Less: Related party notes payable	(1,632)	(542)
Less: Related party notes payable, current	(14,829)	(9,760)
Notes payable, less current portion	0	0
Nonrelated Party
Debt Instrument [Line Items]
Less: Related party notes payable, current	(63,769)	(91,150)
Notes payable, less current portion	0	0
Notes Payable
Debt Instrument [Line Items]
Unpaid Principal Balance	110,655	118,917
Fair Value Measurement Adjustments	(34,815)	(14,293)
Original Issue Discount and Proceeds Allocated to Warrants	(10,439)	(12,932)
Net Carrying Value	65,401	91,692
Notes Payable \| Nonrelated Party
Debt Instrument [Line Items]
Unpaid Principal Balance	109,155
Secured SPA Notes \| Notes Payable
Debt Instrument [Line Items]
Unpaid Principal Balance	83,387	100,052
Fair Value Measurement Adjustments	(33,603)	(15,501)
Original Issue Discount and Proceeds Allocated to Warrants	(7,896)	(10,319)
Net Carrying Value	$ 41,888	$ 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	$ 13,219	$ 13,885
Fair Value Measurement Adjustments	(1,626)	1,208
Original Issue Discount and Proceeds Allocated to Warrants	(2,543)	(2,613)
Net Carrying Value	$ 9,050	$ 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	$ 9,080
Fair Value Measurement Adjustments	414
Original Issue Discount and Proceeds Allocated to Warrants	0
Net Carrying Value	$ 9,494
Notes payable – China other \| Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	0.00%	0.00%
Unpaid Principal Balance	$ 4,897	$ 4,898
Fair Value Measurement Adjustments	0
Original Issue Discount and Proceeds Allocated to Warrants	0
Net Carrying Value	$ 4,897	$ 4,898
Auto loans \| Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	7.00%	7.00%
Unpaid Principal Balance	$ 72	$ 82
Fair Value Measurement Adjustments	0
Original Issue Discount and Proceeds Allocated to Warrants	0
Net Carrying Value	$ 72	$ 82

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