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v3.25.2

Fair Value Measurements - Summary of Changes Fair Values of liabilities (Details) - Level 3 - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | $ 163,340 | $ 36,435
Issuance of earnout share awards | 126,025 |
Conversion to common stock | (389,388) |
Issuance of 2023 convertible notes and related warrants |  | 11,500
Change in estimated fair value | 109,530 | 8,166
Ending Balance | 9,507 | 56,101
Warrant Liabilities |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 14,711 | 3,730
Conversion to common stock | (75,056) |
Issuance of 2023 convertible notes and related warrants |  | 909
Change in estimated fair value | 60,345 | 3,515
Ending Balance |  | 8,154
Earnout Share Liabilities |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Issuance of earnout share awards | 126,025 |
Change in estimated fair value | (116,518) |
Ending Balance | 9,507 |
Pay-to-Play Convertible Notes |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 15,942 | 14,641
Conversion to common stock | (43,174) |
Change in estimated fair value | 27,232 | (92)
Ending Balance |  | 14,549
2023 Convertible Notes |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Beginning Balance | 132,687 | 18,064
Conversion to common stock | (271,158) |
Issuance of 2023 convertible notes and related warrants |  | 10,591
Change in estimated fair value | $ 138,471 | 4,743
Ending Balance |  | $ 33,398

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