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Share-Based Compensation (Table) (Details) - Restricted Stock Units [Member] - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unvested, Weighted Average Fair Value on Grant Date, opening balance $ 19.36 $ 26.00
Granted, Weighted Average Fair Value on Grant Date   9.44
Vested, Actual Fair Value on Vesting Date 7.92  
Unvested, Weighted Average Fair Value on Grant Date, closing balance $ 0 $ 19.36
Management [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unvested, Number of Units, opening balance 62,500 37,500
Granted, Number of Units   25,000
Vested, Number of Units (112,500)  
Unvested, Number of Units, closing balance 0 62,500
Management [Member] | First Grant [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted, Number of Units 25,000  
Granted, Weighted Average Fair Value on Grant Date $ 9.28  
Management [Member] | Second Grant [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted, Number of Units 25,000  
Granted, Weighted Average Fair Value on Grant Date $ 9.04