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]
3 Months Ended
Mar. 31, 2017
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding and unvested at beginning 406,959
Granted
Vested (143,565)
Forfeited (20,168)
Outstanding and unvested at ending 243,226