Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Stock-Based Compensation - Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details) - Restricted Shares [Member]
6 Months Ended
Jun. 30, 2018
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Outstanding and unvested at beginning 605,969
Granted 231,200
Vested (150,482)
Forfeited (5,666)
Outstanding and unvested at ending 681,021