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Basis of Presentation and General Information - Vessels under construction (Table) (Details) | 12 Months Ended
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Dec. 31, 2018
HN 1388 (tbn Katie K) |  |
Property, Plant and Equipment [Line Items] |  |
DWT | 208,000 | [1]
Expected Delivery Date | Mar-19 | [1]
HN 1389 (tbn Debbie H) |  |
Property, Plant and Equipment [Line Items] |  |
DWT | 208,000 | [1]
Expected Delivery Date | Apr-19 | [1]
HN 1390 (tbn Ocean Ayesha) |  |
Property, Plant and Equipment [Line Items] |  |
DWT | 208,000 | [1]
Expected Delivery Date | Jun-19 | [1]
Newbuilding Vessels |  |
Property, Plant and Equipment [Line Items] |  |
DWT | 624,000 |
[1] | Subject to a bareboat charter with purchase obligation at the expiration of the bareboat charter term (Note 6)

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- Definition The date of the vessel delivery to the Company. + References No definition available. + Details
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- Definition The vessel's capacity in deadweight tonnage. + References No definition available. + Details
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