Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details)

v3.8.0.1
Stock-Based Compensation - Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details) - Restricted Stock Units (RSUs) [Member]
9 Months Ended
Sep. 30, 2017
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding and unvested at beginning 406,959
Granted 528,000
Vested (327,159)
Forfeited (29,331)
Outstanding and unvested at ending 578,469