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Transactions with Related Parties, textual (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Sale of vessels and novation of newbuild contracts [Line Items]
Remaining Commitment For New build	$ 48,155
Fair Value of Newbuild	46,000
Stalo
Sale of vessels and novation of newbuild contracts [Line Items]
Vessel Agreed Sale Price		$ 9,000
Sales Fees		0
Kypros Unity
Sale of vessels and novation of newbuild contracts [Line Items]
Vessel Agreed Sale Price		20,000
Sales Fees		0
Hull No. 1718
Sale of vessels and novation of newbuild contracts [Line Items]
Remaining Commitment For New build		28,400
Fair Value of Newbuild		$ 26,500
Hull No. 835
Sale of vessels and novation of newbuild contracts [Line Items]
Fair Value of Newbuild	21,500
Sales Fees	0
Hull No. 1551
Sale of vessels and novation of newbuild contracts [Line Items]
Fair Value of Newbuild	24,500
Sales Fees	$ 0

X

- Definition

The fair value of a newbuild vessel representing the higher of the two appraisals obtained from independent third parties.

+ References

No definition available.

+ Details

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X

- Definition

Amount of the remaining commitment maturing in the remainder of the fiscal years in order to complete a newbuild vessel as of the day of signing the novation agreement.

+ References

No definition available.

+ Details

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X

- Definition

Amount of expense derived from the sales fee.

+ References

No definition available.

+ Details

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X

- Definition

The agreed sale price which the buyers will pay and which represents the higher of the two appraisals for that vessel obtained from independent third parties.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Details

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- Details

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