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GENERAL INFORMATION General Information (Details)
Dec. 31, 2017
vessel
Ultramax Ice Class 1C [Member]  
Property, Plant and Equipment [Line Items]  
Number of Vessels 2
Supramax [Member]  
Property, Plant and Equipment [Line Items]  
Number of Vessels 6
Handymax Ice Class 1A [Member]  
Property, Plant and Equipment [Line Items]  
Number of Vessels 2
Panamax [Member]  
Property, Plant and Equipment [Line Items]  
Number of Vessels 2
Panamax Ice Class 1A [Member]  
Property, Plant and Equipment [Line Items]  
Number of Vessels 6
bareboat charter [Member] | Supramax [Member]  
Property, Plant and Equipment [Line Items]  
Number of Vessels 2