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)
6 Months Ended
Jun. 30, 2019
$ / shares
shares
Number of Shares  
Outstanding beginning balance (in shares) | shares 4,557,186
Granted (in shares) | shares 0
Exercised (in shares) | shares (189,742)
Forfeited (in shares) | shares (3,045)
Expired (in shares) | shares 0
Outstanding ending balance (in shares) | shares 4,364,399
Exercisable ending balance (in shares) | shares 3,989,591
Weighted Average Exercise Price  
Outstanding beginning balance (in dollars per share) | $ / shares $ 5.14
Granted (in dollars per share) | $ / shares 0
Exercised (in dollars per share) | $ / shares 5.67
Forfeited (in dollars per share) | $ / shares 14.00
Expired (in dollars per share) | $ / shares 0
Outstanding ending balance (in dollars per share) | $ / shares 5.11
Exercisable ending balance (in dollars per share) | $ / shares $ 4.28