v3.26.1
SEGMENT REPORTING - Schedule of Segment Revenue, Segment Profit or Loss, and Significant Segment Expenses (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Revenue $ 282,465 $ 235,048
Cost of revenue (594,170) (463,560)
Research and development expenses (335,670) (251,246)
Selling, general, and administrative expenses (304,176) (212,175)
Workforce reduction charges (37,934) 0
Change in fair value of common stock warrant liability 0 12,861
Change in fair value of equity securities (10,221) (13,453)
Change in fair value of derivative liabilities associated with redeemable convertible preferred stock (related party) 7,375 281,700
Interest income 13,104 52,209
Interest expense (41,073) (11,883)
Other income (expense), net (7,867) 2,965
Benefit from (provision for) income taxes (177) 1,363
Net loss (1,028,344) (366,171)
Reportable Segment    
Segment Reporting Information [Line Items]    
Revenue 282,465 235,048
Research and development expenses (335,670) (251,246)
Selling, general, and administrative expenses (304,176) (212,175)
Workforce reduction charges (37,934) 0
Change in fair value of common stock warrant liability 0 12,861
Change in fair value of equity securities (10,221) (13,453)
Change in fair value of derivative liabilities associated with redeemable convertible preferred stock (related party) 7,375 281,700
Interest income 13,104 52,209
Interest expense (41,073) (11,883)
Other income (expense), net (7,867) 2,965
Benefit from (provision for) income taxes (177) 1,363
Net loss (1,028,344) (366,171)
Reportable Segment | Cost of revenue - excluding LCNRV and provision for warranty    
Segment Reporting Information [Line Items]    
Cost of revenue (337,206) (299,612)
Reportable Segment | Cost of revenue - LCNRV    
Segment Reporting Information [Line Items]    
Cost of revenue (237,853) (151,636)
Reportable Segment | Cost of revenue - provision for warranty    
Segment Reporting Information [Line Items]    
Cost of revenue $ (19,111) $ (12,312)