Employee Benefit Plan - Summary of Defined Contribution Plan (Detail) - USD ($)
$ in Thousands
|3 Months Ended|
Mar. 31, 2020
Mar. 31, 2019
|Defined Contribution Pension And Other Postretirement Plans Disclosure [Abstract]|
|Employee benefit plan expenses||$ 120||$ 56|
Amount of discretionary contributions made by an employer to a defined contribution plan.
No definition available.