Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation - Summary of Activity (Detail)

v3.19.3.a.u2
Share-Based Compensation - Summary of Activity (Detail)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Option grants 0
2009 Incentive Plan and 2019 Incentive Plan [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding at January 1, 2019 1,584,225
Exercised options (30,000)
Cancelled or forfeited options (123,361)
Outstanding at December 31, 2019 1,335,034
Exercisable options at December 31, 2019 330,096
Weighted Average Exercise Price  
Outstanding at January 1, 2019 | $ / shares $ 7.97
Exercised options | $ / shares 7.82
Cancelled or forfeited options | $ / shares 9.04
Outstanding at December 31, 2019 | $ / shares 7.60
Exercisable options at December 31, 2019 | $ / shares $ 7.65
Weighted Average Remaining Contractual Life (in years)  
Outstanding at December 31, 2019 3 years 1 month 6 days
Exercisable options at December 31, 2019 5 years 9 months 18 days
Aggregate Intrinsic Value  
Outstanding at December 31, 2019 | $ $ 8,571,406
Exercisable options at December 31, 2019 | $ $ 342,489
2009 Incentive Plan and 2019 Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Restricted stock unit grants 41,100
Cancelled or forfeited restricted stock units (136,930)