Income Taxes - Summary of Changes to Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | ||
| Beginning balance | $ 1,536 | $ 637 |
| Increase related to prior year positions | 63 | 131 |
| Increase related to current year positions | 842 | 768 |
| Ending balance | $ 2,441 | $ 1,536 |