Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Options - Additional Information (Detail)

v3.19.2
Stock-Based Compensation - Stock Options - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 2,304 $ 2,292 $ 3,860 $ 2,224
2017 Omnibus Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options priced at fair market value, percent     100.00%  
Stock option expiration period     10 years  
Stock option, vesting period     6 years  
Stock-based compensation expense 1,500 $ 1,400 $ 2,300 $ 1,000
Weighted average remaining contractual term     8 years 4 months 24 days  
Aggregate intrinsic value of options outstanding and exercisable $ 9,300   $ 9,300