Fair Value Measurements - Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Earn-out liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 134,156	$ 14,032
Additions		0
Change in fair value	33,369	33,816
Converted to equity	(167,525)	0
Ending balance	0	47,848
Warrant liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	68,778	11,294
Additions		32,089
Change in fair value	(31,919)	36,641
Converted to equity	0	(30,229)
Ending balance	36,859	49,795
Warrant liabilities | Warrant liabilities - Series A
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	68,778	8,612
Additions		20,827
Change in fair value	(31,919)	18,800
Converted to equity	0	(20,471)
Ending balance	$ 36,859	27,768
Warrant liabilities | Warrant liabilities - Series B
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance		2,682
Additions		11,262
Change in fair value		17,841
Converted to equity		(9,758)
Ending balance		$ 22,027