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Dividends (Table) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2015
Dividends Payable [Line Items]    
Dividends paid, preferred shares   $ 448
1st Preferred dividend    
Dividends Payable [Line Items]    
Dividends paid, preferred shares per share   $ 77.26
Dividends paid, preferred shares   $ 198
Dividends Payable, Date Declared Feb. 18, 2015  
2nd Preferred dividend    
Dividends Payable [Line Items]    
Dividends paid, preferred shares per share   $ 97.39
Dividends paid, preferred shares   $ 250
Dividends Payable, Date Declared Dec. 21, 2015