Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
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, 2016
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding and unvested at January 1, 2016 386,733
Granted 448,200
Vested (509,938)
Forfeited (30,535)
Outstanding and unvested at September 30, 2016 294,460