Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.20.4
Stock-Based Compensation - Summary of Stock Option 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      
Outstanding, beginning balance (in shares) 10,784 13,590  
Assumed through acquisition (in shares) 2,565    
Granted (in shares) 1,740 1,362  
Exercised (in shares) (6,608) (3,625)  
Cancelled (in shares) (462) (543)  
Outstanding, ending balance (in shares) 8,019 10,784 13,590
Options vested and exercisable (in shares) 4,277    
Options vested and expected to vest (in dollars per share) 8,019    
Weighted Average Exercise Price      
Outstanding, beginning balance (in dollars per share) $ 7.38 $ 6.07  
Assumed through acquisition (in dollars per share) 10.23    
Granted (in dollars per share) 17.48 15.44  
Exercised (in dollars per share) 7.40 5.48  
Cancelled (in dollars per share) 9.36 7.62  
Outstanding, ending balance (in dollars per share) 10.35 $ 7.38 $ 6.07
Options vested and exercisable (in dollars per share) 6.65    
Options vested and expected to vest (in dollars per share) $ 10.35    
Weighted Average Remaining Contractual Life      
Weighted-average remaining contractual life, options outstanding 6 years 10 months 13 days 6 years 6 months 7 days 6 years 7 months 17 days
Weighted-average remaining contractual life, options vested and exercisable 5 years 4 months 6 days    
Weighted-average remaining contractual life, options vested and expected to vest 6 years 10 months 13 days    
Aggregate intrinsic value, options outstanding $ 473,371 $ 71,745 $ 66,462
Aggregate intrinsic value, options vested and exercisable 268,284    
Aggregate intrinsic value, options vested and expected to vest $ 473,371