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Transactions with Related Parties - Additional Information - Other (Details)	12 Months Ended			6 Months Ended		12 Months Ended		0 Months Ended	1 Months Ended	12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended		12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2011 Combine Marine Inc. USD ($)	Dec. 31, 2011 Combine Marine Inc. EUR (€)	Dec. 31, 2013 Combine Marine Ltd. USD ($)	Dec. 31, 2013 Combine Marine Ltd. EUR (€)	Nov. 25, 2013 Oceanbulk Maritime S.A. USD ($)	Dec. 31, 2013 Oceanbulk Maritime S.A. USD ($)	Dec. 31, 2013 Maiden Voyage LLC USD ($)	Dec. 31, 2012 Maiden Voyage LLC USD ($)	Dec. 31, 2011 Maiden Voyage LLC USD ($)	Sep. 27, 2012 Maiden Voyage LLC USD ($)	Dec. 31, 2013 OOCAPE1 Holdings LLC USD ($)	Dec. 31, 2012 OOCAPE1 Holdings LLC USD ($)	Dec. 31, 2011 OOCAPE1 Holdings LLC USD ($)	Oct. 19, 2012 OOCAPE1 Holdings LLC USD ($)	Dec. 31, 2013 Sea Cape Shipping LLC USD ($)	Dec. 31, 2012 Sea Cape Shipping LLC USD ($)	Dec. 31, 2011 Sea Cape Shipping LLC USD ($)	Aug. 30, 2013 Sea Cape Shipping LLC USD ($)	Dec. 31, 2013 Sky Cape Shipping LLC USD ($)	Dec. 31, 2012 Sky Cape Shipping LLC USD ($)	Dec. 31, 2011 Sky Cape Shipping LLC USD ($)	Oct. 18, 2013 Sky Cape Shipping LLC USD ($)	Dec. 31, 2013 Glory Supra Shipping LLC USD ($)	Dec. 31, 2012 Glory Supra Shipping LLC USD ($)	Dec. 31, 2011 Glory Supra Shipping LLC USD ($)	Sep. 24, 2013 Glory Supra Shipping LLC USD ($)	Dec. 31, 2013 Pacific Cape Shipping LLC USD ($)	Dec. 31, 2012 Pacific Cape Shipping LLC USD ($)	Dec. 31, 2011 Pacific Cape Shipping LLC USD ($)	Oct. 24, 2013 Pacific Cape Shipping LLC USD ($)	Dec. 31, 2013 Global Cape Shipping LLC USD ($)	Jan. 30, 2014 Global Cape Shipping LLC USD ($)	Dec. 31, 2013 Product Shipping & Trading S.A USD ($)	Dec. 31, 2012 Product Shipping & Trading S.A USD ($)	Dec. 31, 2011 Product Shipping & Trading S.A USD ($)	Jun. 07, 2013 Product Shipping & Trading S.A USD ($)
Related Party Transaction [Line Items]
Management fee income	$ 1,598,000	$ 478,000	$ 153,000							$ (163,000)	$ (128,000)	$ 0		$ (274,000)	$ (76,000)	$ 0		$ (93,000)	$ 0	$ 0		$ (56,000)	$ 0	$ 0		$ (74,000)	$ 0	$ 0		$ (52,000)	$ 0	$ 0		$ 0		$ (242,000)	$ 0	$ 0
Rent expense per month				6,900	5,000	3,500	2,500
Exchange rate EUR/USD	1.38
Daily fixed management fee	750												750				750				750				750				750				750		750				130
Vessel acquisition commission percentage								0.50%
Pre-delivery installments	127,814,000	91,000	96,388,000						519,000
Related Parties Commissions Fees	773,000	1,134,000	1,237,000					2,077,000
Flat fee per vessel								$ 200,000

X

- Definition

The fee rate charged daily, persuant to the management agreement.

+ References

No definition available.

+ Details

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X

- Definition

Flat fee charged per each newbuilding vessel, as commission fee relative to the negotiations with the shipyards on the construction of the Company's contracted newbuilding vessels.

+ References

No definition available.

+ Details

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X

- Definition

Primarily represents commissions incurred in the period based upon the sale by related parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by related parties (such as a distributor or value added reseller).

+ References

No definition available.

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- Definition

The amount of monthly rent.

+ References

No definition available.

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- Definition

Commission paid to an entity related to negotiations made, with a shipyard, regarding a vessel acquisition.

+ References

No definition available.

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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- Definition

Base revenue, as contractually stipulated, for operating and managing another entity's business during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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