Share-Based Compensation - Summarized Stock-Based Compensation Expenses (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total stock-based compensation expenses | $ 3,554 | $ 3,287 | $ 7,728 | $ 6,278 |
| Research and development | ||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total stock-based compensation expenses | 2,256 | 2,262 | 5,277 | 4,189 |
| Selling, general and administrative expenses | ||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Total stock-based compensation expenses | $ 1,298 | $ 1,025 | $ 2,451 | $ 2,089 |