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Basis of Presentation and General Information, detail (Details) - Charter Revenues	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Minimum
Concentration Risk [Line Items]
Charterer percentage in total revenue	10.00%	10.00%	10.00%
Oldendorff Gmbh and Co. KG
Concentration Risk [Line Items]
Charterer percentage in total revenue	0.00%	12.67%	0.00%
Global Chartering Ltd
Concentration Risk [Line Items]
Charterer percentage in total revenue	12.49%	10.79%	0.00%
Glencore Grain B.V.
Concentration Risk [Line Items]
Charterer percentage in total revenue	10.05%	0.00%	0.00%

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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