Stock-Based Compensation - Total Stock-Based Compensation Expense (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | |||
| Total stock-based compensation expense | $ 16,279 | $ 15,374 | $ 13,360 |
| Research and development | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | |||
| Total stock-based compensation expense | 3,964 | 3,955 | 3,804 |
| Selling, general and administrative | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | |||
| Total stock-based compensation expense | $ 12,315 | $ 11,419 | $ 9,556 |