Stock-Based Compensation - Schedule of Stock Based Compensation Expense (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||
| Stock based compensation expense | $ 10,602 | $ 5,315 |
| 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 | 4,848 | 2,475 |
| 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 | $ 5,754 | $ 2,840 |