Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Revenue	$ 536	$ 539
Cost of revenue	98,302	84,029
Gross profit	(97,766)	(83,490)
Operating expenses
Research and development	16,603	25,227
Settlement on accrued research and development expenses	0	(14,935)
Sales and marketing	12,310	9,278
General and administrative	55,733	43,164
Loss on disposal of property, plant, and equipment	2,459	1,667
Asset impairment on long-lived assets	137,435	1,847
Impairment of goodwill	4,450	0
Credit loss expense - short-term note receivable	(4,294)	0
Total operating expenses	233,284	66,248
Loss from operations	(331,050)	(149,738)
Depreciation and amortization expense	64,807	71,442
Net loss on digital assets	(4,117)	0
Segment net assets	7,759	114,967
Nonrelated Party
Operating expenses
Interest expense	(8,649)	(7,895)
Related Party
Operating expenses
Interest expense	0	(8,710)
AIEV
Segment Reporting Information [Line Items]
Revenue	536	539
Cost of revenue	98,302	84,029
Gross profit	(97,766)	(83,490)
Operating expenses
Research and development	16,757	25,227
Settlement on accrued research and development expenses	0	(14,935)
Sales and marketing	12,310	9,278
General and administrative	52,615	43,164
Loss on disposal of property, plant, and equipment	2,459	1,667
Asset impairment on long-lived assets	137,435	1,847
Impairment of goodwill	4,450	0
Credit loss expense - short-term note receivable	0	0
Total operating expenses	226,026	66,248
Loss from operations	(323,792)	(149,738)
Depreciation and amortization expense	64,807
Net loss on digital assets	(529)	0
Segment net assets	(18,666)	114,967
AIEV | Nonrelated Party
Operating expenses
Interest expense	(8,296)	(7,895)
AIEV | Related Party
Operating expenses
Interest expense		(8,710)
AIXC
Segment Reporting Information [Line Items]
Revenue	0	0
Cost of revenue	0	0
Gross profit	0	0
Operating expenses
Research and development	(154)	0
Settlement on accrued research and development expenses	0	0
Sales and marketing	0	0
General and administrative	3,118	0
Loss on disposal of property, plant, and equipment	0	0
Asset impairment on long-lived assets	0	0
Impairment of goodwill	0	0
Credit loss expense - short-term note receivable	4,294	0
Total operating expenses	7,258	0
Loss from operations	(7,258)	0
Depreciation and amortization expense	0	0
Net loss on digital assets	(3,588)	0
Segment net assets	26,425	0
AIXC | Nonrelated Party
Operating expenses
Interest expense	(353)	0
AIXC | Related Party
Operating expenses
Interest expense	$ 0	$ 0