Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Restricted Stock Units - Additional Information (Detail)

v3.20.1
Stock-Based Compensation - Restricted Stock Units - Additional Information (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
2017 Omnibus Plan [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 6 years
Restricted Stock Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized stock-based compensation expense related to restricted stock units $ 2.5
Unrecognized stock-based compensation expense, expected recognition weighted-average period 43 months
Restricted Stock Units [Member] | 2017 Omnibus Plan [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 5 years