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Summary of Significant Accounting Policies, Poseidon Transaction (Table) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Nov. 15, 2018
Assets and Liabilities Acquired |  |  |  |
Vessels fair value as of November 15, 2018 | $ 761,248 |  |  |
Negative goodwill allocated pro-rata to the vessels acquired | (143,726) |  |  |
Vessels fair value recognized as of November 15, 2018 (see note 4) | 617,522 |  |  |
Cash and cash equivalents | 35,044 |  |  |
Fair value of time charter contracts attached, net of pro-rata allocation of negative goodwill (see note 6) | 5,404 | $ 0 |  |
Debt assumed | (509,673) | 0 | $ 0 |
Working capital (excluding cash and cash equivalents) | (11,331) | $ 0 | $ 0 |
Total | 136,966 |  |  |
Fair Value of Consideration Given |  |  |  |
Share price as of November 15, 2018 (as adjusted for reverse stock split) |  |  |  | $ 7.84
Fair value of stock-based consideration | 125,133 |  |  |
Capitalized transaction expenses | 11,833 |  |  |
Total consideration | $ 136,966 |  |  |

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