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DEFERRED CHARTER REVENUE (Details) (USD $)
12 Months Ended 29 Months Ended
Dec. 31, 2013
Aug. 01, 2014
Dec. 31, 2014
Deferred charter revenue $ 3,623,000us-gaap_DeferredRevenueCurrent   $ 3,285,000us-gaap_DeferredRevenueCurrent
Belgravia [Member]      
Deferred Revenue, Additions 5,000,000us-gaap_DeferredRevenueAdditions
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_BelgraviaMember
   
Charterhire Discount   95,000vlccf_CharterhireDiscount
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_BelgraviaMember
 
Number of days charter hire paid in advance 15 days    
Maximum Charterhire Discount   5,700,000vlccf_MaximumCharterhireDiscount
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_BelgraviaMember
 
Deferred charter revenue 0us-gaap_DeferredRevenueNoncurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_BelgraviaMember
  0us-gaap_DeferredRevenueNoncurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_BelgraviaMember
Deferred charter revenue 1,300,000us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_BelgraviaMember
  0us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_BelgraviaMember
Other income received in advance [Member]      
Deferred charter revenue $ 2,300,000us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_OtherIncomeReceivedInAdvanceMember
  $ 3,300,000us-gaap_DeferredRevenueCurrent
/ us-gaap_DeferredRevenueArrangementTypeAxis
= vlccf_OtherIncomeReceivedInAdvanceMember