Income Tax - Reconciliation of Unrecognized Tax Benefits of Uncertain Tax Positions (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Income Tax Disclosure [Abstract] | |||
| Unrecognized tax benefits, Beginning Balance | $ 767 | $ 724 | $ 717 |
| Gross increases (decreases) related to prior period tax positions | (6) | 43 | 7 |
| Unrecognized tax benefits, Ending Balance | $ 761 | $ 767 | $ 724 |