Additional Information on Non-vested Restricted Stock (Detail) - Restricted Stock Awards $ in Thousands |
12 Months Ended |
---|---|
Dec. 31, 2019
USD ($)
| |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
Aggregate intrinsic value | $ 757 |
Weighted-average remaining vesting period | 3 years |
Unrecognized compensation cost | $ 1,247 |