Stock-Based Compensation - Summary of PRSUs (Detail) - Performance-based Restricted Stock Units - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
Dec. 31, 2021 |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||||
| Compensation cost | $ 509 | $ 223 | $ 1,332 | $ 520 | |
| Unamortized value of PRSUs | $ 4,027 | $ 4,027 | $ 1,931 | ||
| Weighted average amortization period (in years) | 2 years 1 month 6 days | 2 years 2 months 12 days | |||