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Transactions with Related Parties - Statements of Operations (Table) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Related Party Transaction [Line Items] |  |  |
Voyage expenses | $ 947 | $ 1,347 | $ 1,180
Management fee income | 478 | 153 | 0
Oceanbulk Maritime S.A. (e) |  |  |
Related Party Transaction [Line Items] |  |  |
Commision on sale of vessel | 91 | 0 | 660
Office setup expenses | 0 | 148 | 0
Interchart Shipping Inc. (a) |  |  |
Related Party Transaction [Line Items] |  |  |
Voyage expenses | 1,134 | 1,237 | 1,540
Executive directors (b) |  |  |
Related Party Transaction [Line Items] |  |  |
Consultancy fees | 453 | 3,505 | 874
Non-executive directors (b) |  |  |
Related Party Transaction [Line Items] |  |  |
Compensation | 124 | 151 | 206
Combine Marine Inc (c) |  |  |
Related Party Transaction [Line Items] |  |  |
Office rent | 0 | 48 | 0
Combine Marine Ltd. (d) |  |  |
Related Party Transaction [Line Items] |  |  |
Office rent | 40 | 0 | 0
Maiden Voyage LLC (f) |  |  |
Related Party Transaction [Line Items] |  |  |
Management fee income | 128 | 0 | 0
OOCAPE1 Holdings LLC (g) |  |  |
Related Party Transaction [Line Items] |  |  |
Management fee income | $ 76 | $ 0 | $ 0

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- Definition Expenditures for compensation for non executive officers.Examples include, but not limited to, Board of Director's attendance fees. + References No definition available. + Details
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- Definition The payments made by related parties on behalf of reporting entity. + References No definition available. + Details
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- Definition Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. + References No definition available. + Details
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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=6880815&loc=d3e20235-122688 + Details
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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=6880815&loc=d3e20235-122688 + Details
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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=6880815&loc=d3e20235-122688 + Details
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