Financial Instruments - Derivative Instruments designated as hedging instruments - Location of Gain/(Loss) Recognized (Table) (Details) - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments designated as hedging instruments
Interest rate swaps	$ (105,058)	$ (374,843)	$ (424,533)
Interest and finance costs \| Derivative Instruments designated as hedging instruments
Derivative Instruments designated as hedging instruments
Interest rate swaps	$ (105,058)	$ (374,843)	$ (424,533)

The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Name:	us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration