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Transactions with Related Parties - Statements of Operations (Table) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Related Party Transaction [Line Items]
Management fee income	$ 1,861	$ 456
Oceanbulk Maritime S.A. (d)
Related Party Transaction [Line Items]
Commission on sale of vessel	0	(90)
Management fee income	93	0
Executive directors (b)
Related Party Transaction [Line Items]
Consultancy fees	(286)	(246)
Non-executive directors (b)
Related Party Transaction [Line Items]
Compensation	(71)	(51)
Combine Marine Ltd (c)
Related Party Transaction [Line Items]
Office rent	(21)	(20)
Interchart Shipping Inc. (a)
Related Party Transaction [Line Items]
Voyage expenses	(385)	(397)
Managed Vessels of Oceanbulk Shipping LLC (e)
Related Party Transaction [Line Items]
Management fee income	1,299	272
Product Shipping & Trading S.A. (f)
Related Party Transaction [Line Items]
Management fee income	$ 62	$ 40

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- Definition

Commisions on sale of assets.

+ References

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- Definition

Expenditures for compensation for non executive officers.Examples include, but not limited to, Board of Director's attendance fees.

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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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

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

+ 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 210.5-03.4)

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

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- Definition

The aggregate costs related to delivering management services 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 210.5-03.2(d))

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

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