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Voyage and Vessel Operating Expenses - Voyage Expenses (Table) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Voyage expenses |  |  |
Port charges | $ 5,132 sblk_PortCharges | $ 1,455 sblk_PortCharges | $ 2,484 sblk_PortCharges
Bunkers | 33,146 us-gaap_FuelCosts | 4,338 us-gaap_FuelCosts | 10,788 us-gaap_FuelCosts
Commissions - third parties | 1,902 us-gaap_SalesCommissionsAndFees | 867 us-gaap_SalesCommissionsAndFees | 947 us-gaap_SalesCommissionsAndFees
Commissions - related parties (Note 3) | 1,997 sblk_RelatedPartiesCommissionsFees | 773 sblk_RelatedPartiesCommissionsFees | 1,134 sblk_RelatedPartiesCommissionsFees
Chartered-in vessel expenses | 0 us-gaap_OperatingLeasesRentExpenseNet | 0 us-gaap_OperatingLeasesRentExpenseNet | 4,050 us-gaap_OperatingLeasesRentExpenseNet
Miscellaneous | 164 us-gaap_OtherCostOfOperatingRevenue | 116 us-gaap_OtherCostOfOperatingRevenue | 195 us-gaap_OtherCostOfOperatingRevenue
Total voyage expenses | $ 42,341 sblk_VoyageExpenses | $ 7,549 sblk_VoyageExpenses | $ 19,598 sblk_VoyageExpenses

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- Definition Amounts charged by port authorities for the use of infrastructure. + References No definition available. + Details
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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. + Details
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- Definition Costs relating to the voyages performed by the vessels and may include port, canal, bunker expenses, commissions and other. + References No definition available. + Details
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- Definition Fuel costs incurred that are directly related to goods produced and sold and services rendered 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(a),(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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- Definition Other costs incurred during the reporting period related to other revenue generating activities. + 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) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 2 -Article 5 + 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=26872669&loc=d3e20235-122688 + Details
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