2.4.0.8400111 - Disclosure - Basis Of Presentation And General Information - Vessels under commercial and technical management by the subsidiary Star Bulk S.A. (Table) (Details)truefalsefalse1false falsefalsefyp0i__SerenityIMemberhttp://www.sec.gov/CIK0001386716instant2013-06-30T00:00:000001-01-01T00:00:00purenodecimalsStandardhttp://www.xbrl.org/2003/instancepure01false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse1false truefalsefyp0i__SerenityIMemberhttp://www.sec.gov/CIK0001386716instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseSerenity Ius-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldisblk_SerenityIMemberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberpurenodecimalsStandardhttp://www.xbrl.org/2003/instancepure0nanafalse0Serenity I2true 3us-gaap_PropertyPlantAndEquipmentLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Vessels [Line Items]3false 4sblk_VesselCapacitysblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse5368853688falsefalsefalsexbrli:integerItemTypeintegerThe vessel's capacity in deadweight tonnage.No definition available.false0DWT4false 4sblk_VesselYearBuiltsblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002006falsefalsefalsexbrli:stringItemTypestringThe year that the vessel was built.No definition available.false0Year Built5false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2false truefalsefyp0i__MaidenVoyage2Memberhttp://www.sec.gov/CIK0001386716instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseMaiden Voyageus-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldisblk_MaidenVoyage2Memberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberpurenodecimalsStandardhttp://www.xbrl.org/2003/instancepure0nanafalse0Maiden Voyage6true 3us-gaap_PropertyPlantAndEquipmentLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Vessels [Line Items]7false 4sblk_VesselCapacitysblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse5872258722falsefalsefalsexbrli:integerItemTypeintegerThe vessel's capacity in deadweight tonnage.No definition available.false0DWT8false 4sblk_VesselYearBuiltsblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002012falsefalsefalsexbrli:stringItemTypestringThe year that the vessel was built.No definition available.false0Year Built9false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse3false truefalsefyp0i__ObelixMemberhttp://www.sec.gov/CIK0001386716instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseObelixus-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldisblk_ObelixMemberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberpurenodecimalsStandardhttp://www.xbrl.org/2003/instancepure0nanafalse0Obelix10true 3us-gaap_PropertyPlantAndEquipmentLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Vessels [Line Items]11false 4sblk_VesselCapacitysblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse181433181433falsefalsefalsexbrli:integerItemTypeintegerThe vessel's capacity in deadweight tonnage.No definition available.false0DWT12false 4sblk_VesselYearBuiltsblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002011falsefalsefalsexbrli:stringItemTypestringThe year that the vessel was built.No definition available.false0Year Built13false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse4false truefalsefyp0i__RenascentiaMemberhttp://www.sec.gov/CIK0001386716instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseRenascentiaus-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldisblk_RenascentiaMemberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberpurenodecimalsStandardhttp://www.xbrl.org/2003/instancepure0nanafalse0Renascentia14true 3us-gaap_PropertyPlantAndEquipmentLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Vessels [Line Items]15false 4sblk_VesselCapacitysblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse7473274732falsefalsefalsexbrli:integerItemTypeintegerThe vessel's capacity in deadweight tonnage.No definition available.false0DWT16false 4sblk_VesselYearBuiltsblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse001999falsefalsefalsexbrli:stringItemTypestringThe year that the vessel was built.No definition available.false0Year Built17false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse5false USDtruefalse$fyp0i__VesselsUnderCommercialAndTechnicalManagementByStarbulkSaMemberhttp://www.sec.gov/CIK0001386716instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseVessels under commercial and technical management by the subsidiary Starbulk S.A.us-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldisblk_VesselsUnderCommercialAndTechnicalManagementByStarbulkSaMemberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Vessels under commercial and technical management by the subsidiary Starbulk S.A.18true 3us-gaap_PropertyPlantAndEquipmentLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Vessels [Line Items]19false 4sblk_DailyManagementFeesblk_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse750750USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe fee rate charged daily, persuant to the management agreement.No definition available.false2Daily fixed management fee received per vesselfalseBasis Of Presentation And General Information - Vessels under commercial and technical management by the subsidiary Star Bulk S.A. (Table) (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.starbulk.com/20130630/role/BasisOfPresentationAndGeneralInformationVesselsUnderCommercialAndTechnicalManagementTableDetails119