Quarterly report pursuant to Section 13 or 15(d)

Share Based Compensation (Details)

v3.19.3
Share Based Compensation (Details)
9 Months Ended
Sep. 30, 2019
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Director stock awards granted (in shares) 1,625
Employee Stock Purchase Plan shares issued (in shares) 44,383
Restricted stock awards granted (in shares) 149,950
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Stock options, outstanding as of December 31, 2018 (in shares) 1,467,391
Stock options, granted (in shares) 127,460
Stock options, exercised (in shares) (164,996)
Stock options, expired (in shares) 7,463
Stock options, outstanding as of September 30, 2019 (in shares) 1,422,392
Shares available for future grants and ESPP purchases as of September 30, 2019 (in shares) 568,263