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Equity Incentive Plans (Tables)
12 Months Ended
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Restricted Shares, Activity
    Number of shares     Weighted Average Grant Date Fair Value
Unvested as at January 1, 2016   135,230   $ 17.75
Granted   1,035,000     4.15
Cancelled   (1,685)     17.75
Vested   (783,545)     6.14
Unvested as at December 31, 2016   385,000   $ 4.82
           
Unvested as at January 1, 2017   385,000   $ 4.82
Granted   944,000       9.59
Vested   (1,049,000)     8.24
Unvested as at December 31, 2017   280,000   $ 8.09
           
Unvested as at January 1, 2018   280,000   $ 8.09
Granted   672,500     11.68
Vested   (809,500)     10.29
Unvested as at December 31, 2018   143,000   $ 12.49
Schedule of Share-based Compensation, Stock Options, Activity
Options Number of options Weighted average exercise price Weighted Average Grant Date Fair Value
Outstanding at beginning of period 104,250 $ 27.5 $ 7.0605
Granted                  -                                -                                       -   
Vested                  -                                -                                       -   
Outstanding at end of period 104,250 $ 27.5 $ 7.0605