Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Stock-Based Compensation - Summary Of Stock Option Activity (Details)
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Number of Shares  
Outstanding beginning balance (in shares) | shares 4,557,186
Granted (in shares) | shares 0
Exercised (in shares) | shares (103,972)
Forfeited (in shares) | shares (3,045)
Expired (in shares) | shares 0
Canceled (in shares) | shares 0
Outstanding ending balance (in shares) | shares 4,450,169
Exercisable ending balance (in shares) | shares 4,075,377
Weighted Average Exercise Price  
Outstanding beginning balance (in dollars per share) | $ / shares $ 5.14
Granted (in dollars per share) | $ / shares 0.00
Exercised (in dollars per share) | $ / shares 5.31
Forfeited (in dollars per share) | $ / shares 14.00
Expired (in dollars per share) | $ / shares 0.00
Canceled (in dollars per share) | $ / shares 0.00
Outstanding ending balance (in dollars per share) | $ / shares 5.13
Exercisable ending balance (in dollars per share) | $ / shares $ 4.32