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Equity Capital (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 6 Months Ended
--- | --- | ---
Feb. 09, 2018 | Jun. 30, 2018 | Jun. 30, 2017
Equity Capital (Textual) |  |  |
Shares issued and sold an aggregate | 1,666,666 |  |
Shares per price | $ 18.00 |  |
Gross proceeds amount | $ 30,000 | $ 27,912 |
Realized net proceeds | $ 27,900 |  |

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