Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Stock-Based Compensation - Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details) - Restricted Stock Units (RSUs) [Member]
6 Months Ended
Jun. 30, 2017
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding and unvested at beginning 406,959
Granted
Vested (216,065)
Forfeited (25,664)
Outstanding and unvested at ending 165,230