v3.25.2
Fair Value Measurement - Liabilities Measured at Fair Value (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Embedded derivatives        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of the period $ 27,462 $ 3,889 $ 44,396 $ 4,423
Extinguishment of the 2021 Convertible Notes embedded derivatives (87) 0 (87) 0
Change in fair value 24,264 1,525 7,330 991
Balance at end of the period 51,639 5,414 51,639 5,414
SPA Warrant and Contingent Warrants | Warrant        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of the period 146,793 0 266,630 0
Additions 0 95,094 0 95,094
Conversion to preferred stock 0 0 (102,185) 0
Change in fair value 52,191 46,202 34,539 46,202
Balance at end of the period 198,984 141,296 198,984 141,296
April, May, and December 2023 Warrants | Warrant        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of the period 124,766 24,512 189,322 27,406
Additions 0 0 0 0
Exercised warrants (1,571) 0 (20,339) 0
Change in fair value 57,898 7,938 12,110 5,044
Balance at end of the period 181,093 32,450 181,093 32,450
Delayed Draw Term Loan | Debt        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of the period 99,433 0 76,188 0
Prepayment of the Term Loan (28,582) 0 (28,582) 0
Change in fair value (9,146) 240 (3,213) 240
Balance at end of the period 61,705 25,893 61,705 25,893
Delayed Draw Term Loan | Debt | Draw One        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Additions 0 25,653 0 25,653
Delayed Draw Term Loan | Debt | Draw Two        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Additions $ 0 $ 0 $ 17,312 $ 0