v3.26.1
Fair Value Measurement - Schedule of Change in Fair Value of Derivative Warrant Liabilities (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Convertible Note    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance   $ (51,112)
Conversion of Convertible Note to preferred stock   8,132
(Loss) gain recognized in other expense, net on the consolidated statement of operations and comprehensive loss   42,980
Ending balance   0
PIPE Warrants    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance   0
Issuances   (24,950)
(Loss) gain recognized in other expense, net on the consolidated statement of operations and comprehensive loss   (3,400)
Ending balance   (28,350)
FPA Put Option    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ (30,015) (30,015)
Settlements 30,015  
Ending balance 0 (30,015)
Fixed Maturity Consideration    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance (4,123) (4,123)
Settlements 4,123  
Ending balance 0 (4,123)
Brookfield SAFE    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance   (13,223)
Extinguishment of the Brookfield SAFE   13,274
(Loss) gain recognized in other expense, net on the consolidated statement of operations and comprehensive loss   (51)
Ending balance   0
Brookfield Loan    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance (10,900) 0
Settlements   12,500
Issuances   (19,490)
(Loss) gain recognized in other expense, net on the consolidated statement of operations and comprehensive loss (1,800) (12,445)
Ending balance (12,700) (19,435)
IPO Private Placement Warrants    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance (10) (1,432)
(Loss) gain recognized in other expense, net on the consolidated statement of operations and comprehensive loss 5 1,343
Ending balance $ (5) $ (89)