Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Option Activity (Details)

v3.21.2
Stock-Based Compensation - Stock Option Activity (Details) - $ / shares
9 Months Ended
Sep. 30, 2021
Options  
Outstanding at beginning of period (in shares) 3,740,604
Granted (in shares) 66,505
Exercised (in shares) (1,071,838)
Forfeited or expired (in shares) (48,988)
Outstanding at the end of period (in shares) 2,686,283
Vested and exercisable (in shares) 1,689,127
Weighted Average Exercise Price  
Outstanding at the beginning of period (in dollars per share) $ 20.72
Granted (in dollars per share) 95.68
Exercised (in dollars per share) 10.98
Forfeited or expired (in dollars per share) 39.03
Outstanding at the end of period (in dollars per share) 26.13
Vested and exercisable (in dollars per share) $ 17.80