Stock-based Compensation - Summary of Stock Based Compensation Expense Was Allocated (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Allocated Share Based Compensation Expense | $ 13,457 | $ 2,975 |
| Research and Development [Member] | ||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Allocated Share Based Compensation Expense | 7,554 | 1,041 |
| General and Administrative [Member] | ||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Allocated Share Based Compensation Expense | $ 5,903 | $ 1,934 |