Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Stock-Based Compensation - Stock Options - Additional Information (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
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
2017 Omnibus Plan [Member] | Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock option, vesting period 3 years
2017 Omnibus Plan [Member] | Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock option, vesting period 6 years
Employee Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Aggregate intrinsic value outstanding $ 0
Aggregate intrinsic value exercisable $ 0
Weighted average remaining contractual term 5 years 9 months 18 days
Unrecognized stock-based compensation expense related to non-vested stock options $ 5,900
Unrecognized stock-based compensation expense, expected recognition weighted-average period 26 months