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Transactions with Related Parties - Additional Information - Other (Details)	6 Months Ended				0 Months Ended	1 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2014 Combine Marine Ltd. USD ($)	Jun. 30, 2014 Combine Marine Ltd. EUR (€)	Nov. 25, 2013 Oceanbulk Maritime S.A., or Oceanbulk USD ($)	Apr. 30, 2014 Oceanbulk Maritime S.A., or Oceanbulk USD ($)	Dec. 31, 2013 Oceanbulk Maritime S.A., or Oceanbulk USD ($)	Jun. 01, 2014 Oceanbulk Maritime S.A., or Oceanbulk USD ($)	Mar. 22, 2014 Oceanbulk Maritime S.A., or Oceanbulk USD ($)	Jun. 30, 2014 Managed Vessels of Oceanbulk Shipping LLC USD ($)	Oct. 01, 2013 Product Shipping & Trading S.A USD ($)	Jun. 07, 2013 Product Shipping & Trading S.A USD ($)	Jul. 11, 2014 Held in escrow for Heron vessels	Jul. 11, 2014 Heron vessels
Related Party Transaction [Line Items]
Rent expense per month			$ 3,400	€ 2,500
Exchange rate EUR/USD	1.37
Daily fixed management fee	750							110	170	750	20	130
Vessel acquisition commission percentage					0.50%
Pre-delivery installments	74,267,000	827,000				519,000	519,000
Related Parties Commissions Fees					2,077,000
Flat fee per vessel					$ 200,000
Vessels Acquired														2
Common Stock - Shares Issued													2,115,706

X

- Definition

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

+ References

No definition available.

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- 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.

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- 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.

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- Definition

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

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- Definition

Number of vessels acquired.

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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- Definition

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

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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



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Section 45

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