Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Information about our Options Outstanding (Detail)

v3.19.3.a.u2
Stock-Based Compensation - Summary of Information about our Options Outstanding (Detail) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number Outstanding (in shares)   5,318,759
Weighted Average Remaining Contractual Life (Years)   2 years 10 months 13 days
Weighted Average Exercise Price (in dollars per share)   $ 9.97
Number Exercisable (in shares)   2,261,999
Weighted Average Remaining Contractual Life (Years)   1 year 11 months 15 days
Weighted Average Exercise Price (in dollars per share)   $ 7.48
Range One    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices, lower limit (in dollars per share) $ 3.31  
Range of Exercise Prices, upper limit (in dollars per share) 6.00  
Number Outstanding (in shares)   274,500
Weighted Average Remaining Contractual Life (Years)   4 months 20 days
Weighted Average Exercise Price (in dollars per share)   $ 4.84
Number Exercisable (in shares)   274,500
Weighted Average Remaining Contractual Life (Years)   4 months 20 days
Weighted Average Exercise Price (in dollars per share)   $ 4.84
Range Two    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices, lower limit (in dollars per share) 6.01  
Range of Exercise Prices, upper limit (in dollars per share) 7.00  
Number Outstanding (in shares)   210,417
Weighted Average Remaining Contractual Life (Years)   1 year 29 days
Weighted Average Exercise Price (in dollars per share)   $ 6.78
Number Exercisable (in shares)   182,917
Weighted Average Remaining Contractual Life (Years)   21 days
Weighted Average Exercise Price (in dollars per share)   $ 6.77
Range Three    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices, lower limit (in dollars per share) 7.01  
Range of Exercise Prices, upper limit (in dollars per share) 8.00  
Number Outstanding (in shares)   1,697,935
Weighted Average Remaining Contractual Life (Years)   2 years 18 days
Weighted Average Exercise Price (in dollars per share)   $ 7.39
Number Exercisable (in shares)   1,129,420
Weighted Average Remaining Contractual Life (Years)   1 year 11 months 1 day
Weighted Average Exercise Price (in dollars per share)   $ 7.36
Range Four    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices, lower limit (in dollars per share) 8.01  
Range of Exercise Prices, upper limit (in dollars per share) 9.00  
Number Outstanding (in shares)   1,561,425
Weighted Average Remaining Contractual Life (Years)   3 years
Weighted Average Exercise Price (in dollars per share)   $ 8.02
Number Exercisable (in shares)   454,167
Weighted Average Remaining Contractual Life (Years)   2 years 7 months 28 days
Weighted Average Exercise Price (in dollars per share)   $ 7.97
Range Five    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices, lower limit (in dollars per share) 9.01  
Range of Exercise Prices, upper limit (in dollars per share) 14.00  
Number Outstanding (in shares)   690,686
Weighted Average Remaining Contractual Life (Years)   3 years 6 months 3 days
Weighted Average Exercise Price (in dollars per share)   $ 11.07
Number Exercisable (in shares)   216,662
Weighted Average Remaining Contractual Life (Years)   3 years 4 months 24 days
Weighted Average Exercise Price (in dollars per share)   $ 10.91
Range Six    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Range of Exercise Prices, lower limit (in dollars per share) 14.01  
Range of Exercise Prices, upper limit (in dollars per share) $ 26.42  
Number Outstanding (in shares)   883,796
Weighted Average Remaining Contractual Life (Years)   4 years 11 months 4 days
Weighted Average Exercise Price (in dollars per share)   $ 19.86
Number Exercisable (in shares)   4,333
Weighted Average Remaining Contractual Life (Years)   3 years 8 months 12 days
Weighted Average Exercise Price (in dollars per share)   $ 14.25