Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total stock-based compensation expense | $ 3,381 | $ 4,667 | $ 7,110 | $ 11,618 |
| Research and Development Expense | ||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total stock-based compensation expense | 1,761 | 2,419 | 3,685 | 5,859 |
| General and Administrative Expense | ||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total stock-based compensation expense | $ 1,620 | $ 2,248 | $ 3,425 | $ 5,759 |