Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Number of Options    
Outstanding, beginning balance (in shares) 10,784  
Granted (in shares) 1,086  
Exercised (in shares) (1,009)  
Cancelled (in shares) (162)  
Outstanding, ending balance (in shares) 10,699 10,784
Weighted Average Exercise Price    
Outstanding, beginning balance (in dollars per share) $ 7.38  
Granted (in dollars per share) 9.96  
Exercised (in dollars per share) 5.88  
Cancelled (in dollars per share) 9.00  
Outstanding, ending balance (in dollars per share) $ 7.75 $ 7.38
Weighted-average remaining contractual life, options outstanding 6 years 9 months 18 days 6 years 6 months 7 days
Aggregate intrinsic value, options outstanding $ 33,024 $ 71,745
Options vested and exercisable (in shares) 6,922  
Options vested and exercisable (in dollars per share) $ 6.52  
Weighted-average remaining contractual life, options vested and exercisable 5 years 9 months 18 days  
Aggregate intrinsic value, options vested and exercisable $ 26,557