Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation and Other Employee Benefits - Stock Options Activity (Details)

v3.20.4
Stock-Based Compensation and Other Employee Benefits - Stock Options Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Number of Options      
Beginning balance (in shares) 3,505 3,305 3,834
Granted (in shares) 406 1,330 518
Exercised (in shares) (946) (916) (909)
Forfeited (in shares) (49) (210) (87)
Expired (in shares) 0 (4) (51)
Ending balance (in shares) 2,916 3,505 3,305
Options exercisable (in shares) 1,004    
Options expected to vest (in shares) 1,912    
Weighted-Average Exercise Price      
Beginning balance (in usd per share) $ 10.524 $ 8.050 $ 7.367
Granted (in usd per share) 25.668 14.026 10.878
Exercised (in usd per share) 9.491 7.362 7.367
Forfeited (in usd per share) 13.251 8.070 4.726
Expired (in usd per share) 0 9.904 9.146
Ending balance (in usd per share) 12.919 $ 10.524 $ 8.050
Options exercisable (in usd per share) 7.877    
Expected to vest (in usd per share) $ 15.568    
Outstanding, remaining contractual term 7 years 1 month 6 days    
Exercisable, remaining contractual term 4 years 7 months 6 days    
Expected to vest, remaining contractual term 8 years 4 months 24 days    
Outstanding, aggregate intrinsic value $ 114,659    
Exercisable, aggregate intrinsic value 44,555    
Expected to vest, aggregate intrinsic value $ 70,103