v3.26.1
Fair Value Measurement - Liabilities Measured at Fair Value (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Embedded derivatives    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of the period $ 228,719 $ 44,396
Change in fair value of Term Loan (165,935) (16,934)
Balance at end of the period 62,784 27,462
SPA Warrant and Contingent Warrants | Public and private placement warrants    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of the period 470,715 266,630
Change in fair value of Term Loan (267,230) (17,652)
Conversion to preferred stock 0 (102,185)
Balance at end of the period 203,485 146,793
April, May, and December 2023 Warrants | Public and private placement warrants    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of the period 313,253 189,322
Change in fair value of Term Loan (168,725) (45,788)
Exercised warrants (31,751) (18,768)
Balance at end of the period 112,777 124,766
Delayed Draw Term Loan | Debt    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of the period 150,427 76,188
Additions - January Draw 0 17,312
Change in fair value of Term Loan (37,307) 5,933
Balance at end of the period $ 113,120 $ 99,433