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Dividends (Table) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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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 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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