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Interest Rate Swaps (Table) (Details) (USD $)	12 Months Ended
Interest Rate Swaps (Table) (Details) (USD $)	Dec. 31, 2012
Derivative [Line Items]
Notional Amount	$ 78,876,800
Unicredit Bank
Derivative [Line Items]
Trade Date	Mar. 20, 2012
Effective Date	May 18, 2012
Termination Date	May 18, 2017
Notional Amount	5,100,000
Fixed Rate	1.48%
Floating Rate	3-month USD LIBOR
Credit Suisse AG
Derivative [Line Items]
Trade Date	Apr. 19, 2012
Effective Date	May 30, 2012
Termination Date	May 30, 2017
Notional Amount	4,787,500
Fixed Rate	1.20%
Floating Rate	3-month USD LIBOR
Credit Suisse AG
Derivative [Line Items]
Trade Date	Jun. 01, 2012
Effective Date	May 30, 2012
Termination Date	May 30, 2017
Notional Amount	4,787,500
Fixed Rate	1.0375%
Floating Rate	3-month USD LIBOR
Credit Suisse AG
Derivative [Line Items]
Trade Date	Jul. 04, 2012
Effective Date	Aug. 30, 2012
Termination Date	May 30, 2017
Notional Amount	4,902,400
Fixed Rate	0.995%
Floating Rate	3-month USD LIBOR
Unicredit Bank
Derivative [Line Items]
Trade Date	Jul. 05, 2012
Effective Date	Aug. 17, 2012
Termination Date	May 18, 2017
Notional Amount	7,650,000
Fixed Rate	0.98%
Floating Rate	3-month USD LIBOR
Credit Suisse AG
Derivative [Line Items]
Trade Date	Jul. 10, 2012
Effective Date	Aug. 30, 2012
Termination Date	May 30, 2017
Notional Amount	4,902,400
Fixed Rate	0.935%
Floating Rate	3-month USD LIBOR
ABN AMRO Bank
Derivative [Line Items]
Trade Date	Aug. 08, 2012
Effective Date	Oct. 02, 2012
Termination Date	Jul. 02, 2015
Notional Amount	23,750,000
Fixed Rate	0.595%
Floating Rate	3-month USD LIBOR
ABN AMRO Bank
Derivative [Line Items]
Trade Date	Sep. 28, 2012
Effective Date	Nov. 06, 2012
Termination Date	May 06, 2017
Notional Amount	11,498,500
Fixed Rate	0.74%
Floating Rate	3-month USD LIBOR
HSH Nordbank
Derivative [Line Items]
Trade Date	Sep. 28, 2012
Effective Date	Nov. 06, 2012
Termination Date	May 06, 2017
Notional Amount	$ 11,498,500
Fixed Rate	0.76%
Floating Rate	3-month USD LIBOR