Stock-Based Compensation - Schedule of Stock Based Compensation Expense (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
| Stock based compensation expense | $ 11,898 | $ 5,706 | $ 22,500 | $ 11,021 |
| Stock-based Compensation Expense | Research and Development Expenses [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
| Stock based compensation expense | 5,643 | 2,459 | 10,491 | 4,934 |
| Stock-based Compensation Expense | General and Administrative Expenses [Member] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||
| Stock based compensation expense | $ 6,255 | $ 3,247 | $ 12,009 | $ 6,087 |