Employee Benefit Plan - Summary of Defined Contribution Plan (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Compensation And Retirement Disclosure [Abstract] | ||||
| Employee benefit plan expenses | $ 63 | $ 58 | $ 261 | $ 163 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
|