Fair Value Measurements - Summary of Schedule of Assets and Liabilities Measured as Level 3 at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Level 3 Financial liabilities: | ||
| SAFE liability | $ 18,489 | $ 11,715 |
| Level 3 | ||
| Level 3 Financial liabilities: | ||
| Warrant liabilities | 13,079 | 4,433 |
| SAFE liability | 18,489 | 11,715 |
| Stock-based compensation warrant liability (included in Other non-current liabilities) | $ 895 | $ 303 |