XML 41 R46.htm IDEA: XBRL DOCUMENT v2.4.1.9
Vessels under construction (Details1)
 12 Months Ended
Dec. 31, 2014
DWT
Vessels under construction rollforward [Roll Forward]  
DWT 7,399,400salt_VesselCapacity
Contracts to acquire New Vessels 71salt_ContractsToAcquireNewVessels
Capesize [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 3,960,000salt_VesselCapacity
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
Contracts to acquire New Vessels 22salt_ContractsToAcquireNewVessels
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
Capesize [Member] | Capesize - Hull H1309 TBN SBI Puro | Q1-15 [Member] | Shanghai Waigaoqiao Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_ShanghaiWaigaoqiaoShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1309TBNSBIPuroMember
Capesize [Member] | Capesize Hull H1310 - TBN SBI Valrico | Q3-15 [Member] | Shanghai Waigaoqiao Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_ShanghaiWaigaoqiaoShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1310TBNSBIValricoMember
Capesize [Member] | Capesize Hull H1311 - TBN SBI Maduro | Q4-15 [Member] | Shanghai Waigaoqiao Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_ShanghaiWaigaoqiaoShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1311TBNSBIMaduroMember
Capesize [Member] | Capesize Hull H1364 - TBN SBI Belicoso | Q3-15 [Member] | Shanghai Waigaoqiao Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_ShanghaiWaigaoqiaoShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1364TBNSBIBelicosoMember
Capesize [Member] | Capesize Hull H1365 - TBN SBI Corona | Q1-16 [Member] | Shanghai Waigaoqiao Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_ShanghaiWaigaoqiaoShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1365TBNSBICoronaMember
Capesize [Member] | Capesize Hull H1366 - TBN SBI Diadema | Q1-16 [Member] | Shanghai Waigaoqiao Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_ShanghaiWaigaoqiaoShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1366TBNSBIDiademaMember
Capesize [Member] | Capesize Hull H1367 - TBN SBI Estupendo | Q2-16 [Member] | Shanghai Waigaoqiao Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_ShanghaiWaigaoqiaoShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1367TBNSBIEstupendoMember
Capesize [Member] | Capesize Hull S1205 - TBN SBI Camacho | Q2-15 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1205TBNSBICamachoMember
Capesize [Member] | Capesize Hull S1206 - TBN SBI Montesino | Q2-15 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1206TBNSBIMontesinoMember
Capesize [Member] | Capesize Hull S1211 - TBN SBI Magnum | Q2-15 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1211TBNSBIMagnumMember
Capesize [Member] | Capesize Hull S1212 - TBN SBI Montecristo | Q3-15 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1212TBNSBIMontecristoMember
Capesize [Member] | Capesize Hull S1213 - TBN SBI Aroma | Q3-15 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1213TBNSBIAromaMember
Capesize [Member] | Capesize Hull S1214 - TBN SBI Cohiba | Q4-15 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1214TBNSBICohibaMember
Capesize [Member] | Capesize Hull S1215 - TBN SBI Habano | Q1-16 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1215TBNSBIHabanoMember
Capesize [Member] | Capesize Hull S1216 - TBN SBI Lonsdale | Q4-15 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1216TBNSBILonsdaleMember
Capesize [Member] | Capesize Hull S1217 - TBN SBI Partagas | Q1-16 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1217TBNSBIPartagasMember
Capesize [Member] | Capesize Hull S1219 - TBN SBI Toro | Q2-16 [Member] | Sungdong Shipbuilding & Marine Engineering Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_SungdongShipbuildinAndMarineEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullS1219TBNSBIToroMember
Capesize [Member] | Capesize Hull H1059 - TBN SBI Churchill | Q4-15 [Member] | Daewoo Mangalia Heavy Industries S.A. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_DaewooMangaliaHeavyIndustriesSAMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1059TBNSBIChurchillMember
Capesize [Member] | Capesize Hull H1060 - TBN SBI Perfecto | Q1-16 [Member] | Daewoo Mangalia Heavy Industries S.A. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_DaewooMangaliaHeavyIndustriesSAMember
/ salt_VesselNameAxis
= salt_CapesizeHullH1060TBNSBIPerfectoMember
Capesize [Member] | Capeize Hull H1061 -TBN SBI Presidente [Member] | Q2-16 [Member] | Daewoo Mangalia Heavy Industries S.A. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_DaewooMangaliaHeavyIndustriesSAMember
/ salt_VesselNameAxis
= salt_CapeizeHullH1061TBNSBIPresidenteMember
Capesize [Member] | Capesize Hull HN1058 - TBN SBI Behike | Q4-15 [Member] | Daehan Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_DaehanShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_CapesizeHullHN1058TBNSBIBehikeMember
Capesize [Member] | Hull HN1059 -TBN SBI Monterrey [Member] | Q4-15 [Member] | Daehan Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 180,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_CapesizeMember
/ salt_ShipyardAxis
= salt_DaehanShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_HullHN1059TBNSBIMonterreyMember
Kamsarmax Vessels [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 1,643,600salt_VesselCapacity
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
Contracts to acquire New Vessels 20salt_ContractsToAcquireNewVessels
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
Kamsarmax Vessels [Member] | Q3-15 [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 81,600salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1680 - TBN SBI Samba | Q1-15 [Member] | Imabari Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 84,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ImabariShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1680TBNSBISambaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1681 - TBN SBI Rumba | Q3-15 [Member] | Imabari Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 84,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ImabariShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1681TBNSBIRumbaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull 1090 - TBN SBI Electra | Q3-15 [Member] | Jiangsu Yangzijiang Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_JiangsuYangzijiangShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHull1090TBNSBIElectraMember
Kamsarmax Vessels [Member] | Kamsarmax Hull 1091 - TBN SBI Flamenco | Q3-15 [Member] | Jiangsu Yangzijiang Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_JiangsuYangzijiangShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHull1091TBNSBIFlamencoMember
Kamsarmax Vessels [Member] | Kamsarmax Hull 1092 - TBN SBI Rock | Q4-15 [Member] | Jiangsu Yangzijiang Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_JiangsuYangzijiangShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHull1092TBNSBIRockMember
Kamsarmax Vessels [Member] | Kamsarmax Hull 1093 - TBN SBI Twist | Q1-16 [Member] | Jiangsu Yangzijiang Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_JiangsuYangzijiangShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHull1093TBNSBITwistMember
Kamsarmax Vessels [Member] | Kamsarmax Hull SS179 - TBN SBI Merengue | Q1-16 [Member] | Tsuneishi Group (Zhoushan) Shipbuilding Inc. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 81,600salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_TsuneishiGroupZhoushanShipbuildingIncMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullSS179TBNSBIMerengueMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1228 - TBN SBI Capoeira | Q2-15 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1228TBNSBICapoeiraMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1722A - TBN SBI Conga | Q2-15 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1722ATBNSBICongaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1723A - TBN SBI Bolero | Q3-15 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1723ATBNSBIBoleroMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1229 - TBN SBI Carioca | Q3-15 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1229TBNSBICariocaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1724A - TBN SBI Sousta | Q3-15 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1724ATBNSBISoustaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1725A - TBN SBI Reggae | Q4-15 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1725ATBNSBIReggaeMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1726A - TBN SBI Zumba | Q1-16 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1726ATBNSBIZumbaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1231 - TBN SBI Macarena | Q1-16 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1231TBNSBIMacarenaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1735A - TBN SBI Parapara | Q2-16 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1735ATBNSBIParaparaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1736A - TBN SBI Mazurka | Q2-16 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1736ATBNSBIMazurkaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1230 - TBN SBI Lambada | Q3-15 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1230TBNSBILambadaMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1232 - TBN SBI Swing | Q2-16 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1232TBNSBISwingMember
Kamsarmax Vessels [Member] | Kamsarmax Hull S1233 - TBN SBI Jive | Q3-16 [Member] | Hudong-Zhonghua (Group) Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 82,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_KamsarmaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_HudongZhonghuaGroupCoLtdMember
/ salt_VesselNameAxis
= salt_KamsarmaxHullS1233TBNSBIJiveMember
Ultramax Vessels [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 1,795,800salt_VesselCapacity
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
Contracts to acquire New Vessels 29salt_ContractsToAcquireNewVessels
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
Ultramax Vessels [Member] | Ultramax Hull 1907 - TBN SBI Hera | Q2-16 [Member] | Mitsui Engineering & Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 60,200salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_MitsuiEngineeringAndShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHull1907TBNSBIHeraMember
Ultramax Vessels [Member] | Ultramax Hull 1906 - TBN SBI Zeus | Q2-16 [Member] | Mitsui Engineering & Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 60,200salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_MitsuiEngineeringAndShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHull1906TBNSBIZeusMember
Ultramax Vessels [Member] | Ultramax Hull 1911 - TBN SBI Poseidon | Q2-16 [Member] | Mitsui Engineering & Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 60,200salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_MitsuiEngineeringAndShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHull1911TBNSBIPoseidonMember
Ultramax Vessels [Member] | Ultramax Hull 1912 - TBN SBI Apollo | Q2-16 [Member] | Mitsui Engineering & Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 60,200salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_MitsuiEngineeringAndShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHull1912TBNSBIApolloMember
Ultramax Vessels [Member] | Ultramax Hull S870 - TBN SBI Echo | Q3-15 [Member] | Imabari Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ImabariShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullS870TBNSBIEchoMember
Ultramax Vessels [Member] | Ultramax Hull S871 - TBN SBI Tango | Q3-15 [Member] | Imabari Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ImabariShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullS871TBNSBITangoMember
Ultramax Vessels [Member] | Ultramax Hull S-A098 - TBN SBI Achilles | Q4-15 [Member] | Imabari Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ImabariShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullSA098TBNSBIAchillesMember
Ultramax Vessels [Member] | Ultramax Hull S-A089 - TBN SBI Cronos | Q4-15 [Member] | Imabari Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ImabariShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullSA089TBNSBICronosMember
Ultramax Vessels [Member] | Ultramax Hull S-A090 - TBN SBI Hermes | Q1-16 [Member] | Imabari Shipbuilding Co., Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ImabariShipbuildingCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullSA090TBNSBIHermesMember
Ultramax Vessels [Member] | Ultramax Hull NE180 - TBN SBI Bravo | Q1-15 [Member] | Nantong COSCO KHI Ship Engineering Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_NantongCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullNE180TBNSBIBravoMember
Ultramax Vessels [Member] | Ultramax Hull NE181 - TBN SBI Antares | Q1-15 [Member] | Nantong COSCO KHI Ship Engineering Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_NantongCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullNE181TBNSBIAntaresMember
Ultramax Vessels [Member] | Ultramax Hull NE182 - TBN SBI Maia | Q3-15 [Member] | Nantong COSCO KHI Ship Engineering Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_NantongCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullNE182TBNSBIMaiaMember
Ultramax Vessels [Member] | Ultramax Hull NE183 - TBN SBI Hydra | Q3-15 [Member] | Nantong COSCO KHI Ship Engineering Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_NantongCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullNE183TBNSBIHydraMember
Ultramax Vessels [Member] | Ultramax Hull NE194 - TBN SBI Hyperion | Q2-16 [Member] | Nantong COSCO KHI Ship Engineering Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_NantongCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullNE194TBNSBIHyperionMember
Ultramax Vessels [Member] | Ultramax Hull NE195 - TBN SBI Tethys | Q2-16 [Member] | Nantong COSCO KHI Ship Engineering Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_NantongCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullNE195TBNSBITethysMember
Ultramax Vessels [Member] | Ultramax Hull DE018 - TBN SBI Leo | Q1-15 [Member] | Dalian COSCO KHI Ship Engineering Co. Ltd.  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_DalianCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullDE018TBNSBILeoMember
Ultramax Vessels [Member] | Ultramax Hull DE019 - TBN SBI Lyra | Q2-15 [Member] | Dalian COSCO KHI Ship Engineering Co. Ltd.  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_DalianCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullDE019TBNSBILyraMember
Ultramax Vessels [Member] | Ultramax Hull DE020 - TBN SBI Subaru | Q2-15 [Member] | Dalian COSCO KHI Ship Engineering Co. Ltd.  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_DalianCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullDE020TBNSBISubaruMember
Ultramax Vessels [Member] | Ultramax Hull DE021 - TBN SBI Ursa | Q3-15 [Member] | Dalian COSCO KHI Ship Engineering Co. Ltd.  
Vessels under construction rollforward [Roll Forward]  
DWT 61,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_DalianCOSCOKHIShipEngineeringCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullDE021TBNSBIUrsaMember
Ultramax Vessels [Member] | Ultramax Hull CX0610 - TBN SBI Athena | Q1-15 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0610TBNSBIAthenaMember
Ultramax Vessels [Member] | Ultramax Hull CX0651 - TBN SBI Pegasus | Q3-15 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0651TBNSBIPegasusMember
Ultramax Vessels [Member] | Ultramax Hull CX0652 - TBN SBI Orion | Q4-15 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0652TBNSBIOrionMember
Ultramax Vessels [Member] | Ultramax Hull CX0612 - TBN SBI Thalia | Q4-15 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0612TBNSBIThaliaMember
Ultramax Vessels [Member] | Ultramax Hull CX0653 - TBN SBI Hercules | Q4-15 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q42015Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0653TBNSBIHerculesMember
Ultramax Vessels [Member] | Ultramax Hull CX0627 - TBN SBI Perseus | Q1-16 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0627TBNSBIPerseusMember
Ultramax Vessels [Member] | Ultramax Hull CX0654 - TBN SBI Kratos | Q1-16 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q12016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0654TBNSBIKratosMember
Ultramax Vessels [Member] | Ultramax Hull CX0655 - TBN SBI Samson | Q2-16 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q22016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0655TBNSBISamsonMember
Ultramax Vessels [Member] | Ultramax Hull CX0613 - TBN SBI Phoebe | Q3-16 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0613TBNSBIPhoebeMember
Ultramax Vessels [Member] | Ultramax Hull CX0656 - TBN SBI Phoenix | Q3-16 [Member] | Chengxi Shipyard Co. Ltd. [Member]  
Vessels under construction rollforward [Roll Forward]  
DWT 64,000salt_VesselCapacity
/ salt_DeliveryDateAxis
= salt_Q32016Member
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= salt_UltramaxVesselsMemberMember
/ salt_ShipyardAxis
= salt_ChengxiShipyardCoLtdMember
/ salt_VesselNameAxis
= salt_UltramaxHullCX0656TBNSBIPhoenixMember