XML 14 R39.htm IDEA: XBRL DOCUMENT v2.4.1.9

NATURE OF BUSINESS (Details)	12 Months Ended
	Dec. 31, 2014 Vessel	Dec. 31, 2004 Vessel
NATURE OF BUSINESS [Abstract]
Total number of vessels	24nat_TotalNumberOfVessels	3nat_TotalNumberOfVessels
Number of new buildings	2nat_NumberOfNewBuilding
Number of operating vessels	22nat_NumberOfOperatingVessels
Number of vessels in construction	2nat_NumberOfVesselsInConstruction
Average approximate deadweight tons per vessel (in deadweight tons)	156,000nat_AverageApproximateDeadweightTonsPerVesselInDeadweightTons
Nordic Harrier [Member]
Schedule of Vessels [Line Items]
Deadweight tons	151,459nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicHarrierMember
Nordic Hawk [Member]
Schedule of Vessels [Line Items]
Deadweight tons	151,475nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicHawkMember
Nordic Hunter [Member]
Schedule of Vessels [Line Items]
Deadweight tons	151,401nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicHunterMember
Nordic Voyager [Member]
Schedule of Vessels [Line Items]
Deadweight tons	149,591nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicVoyagerMember
Nordic Fighter [Member]
Schedule of Vessels [Line Items]
Deadweight tons	153,328nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicFighterMember
Nordic Freedom [Member]
Schedule of Vessels [Line Items]
Deadweight tons	159,331nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicFreedomMember
Nordic Discovery [Member]
Schedule of Vessels [Line Items]
Deadweight tons	153,328nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicDiscoveryMember
Nordic Saturn [Member]
Schedule of Vessels [Line Items]
Deadweight tons	157,331nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicSaturnMember
Nordic Jupiter [Member]
Schedule of Vessels [Line Items]
Deadweight tons	157,411nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicJupiterMember
Nordic Moon [Member]
Schedule of Vessels [Line Items]
Deadweight tons	160,305nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicMoonMember
Nordic Apollo [Member]
Schedule of Vessels [Line Items]
Deadweight tons	159,998nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicApolloMember
Nordic Cosmos [Member]
Schedule of Vessels [Line Items]
Deadweight tons	159,999nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicCosmosMember
Nordic Sprite [Member]
Schedule of Vessels [Line Items]
Deadweight tons	147,188nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicSpriteMember
Nordic Grace [Member]
Schedule of Vessels [Line Items]
Deadweight tons	149,921nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicGraceMember
Nordic Mistral [Member]
Schedule of Vessels [Line Items]
Deadweight tons	164,236nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicMistralMember
Nordic Passat [Member]
Schedule of Vessels [Line Items]
Deadweight tons	164,274nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicPassatMember
Nordic Vega [Member]
Schedule of Vessels [Line Items]
Deadweight tons	163,940nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicVegaMember
Nordic Breeze [Member]
Schedule of Vessels [Line Items]
Deadweight tons	158,597nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicBreezeMember
Nordic Aurora [Member]
Schedule of Vessels [Line Items]
Deadweight tons	147,262nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicAuroraMember
Nordic Zenith [Member]
Schedule of Vessels [Line Items]
Deadweight tons	158,645nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicZenithMember
Nordic Sprinter [Member]
Schedule of Vessels [Line Items]
Deadweight tons	159,089nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicSprinterMember
Nordic Skier [Member]
Schedule of Vessels [Line Items]
Deadweight tons	159,089nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_NordicSkierMember
Newbuild #1 [Member]
Schedule of Vessels [Line Items]
Deadweight tons	0nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_Newbuild1Member
Newbuild #2 [Member]
Schedule of Vessels [Line Items]
Deadweight tons	0nat_DeadweightTonnage / nat_PropertyByVesselOrOtherEquipmentAxis = nat_Newbuild2Member

X

- Definition

The average approximate deadweight tons per vessel.

+ References

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- Definition

The total sum of weights in metric tonnes that the vessel can carry on a defined loadline.

+ References

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- Details

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- Definition

Represents the number of new building.

+ References

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- Definition

Represents number of vessels in operation.

+ References

No definition available.

+ Details

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- Definition

Represents number of vessels in construction.

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- Definition

The total number of vessels during the period, which may include crude oil tankers and new vessels under construction to be used in the normal conduct of business and not intended for resale.

+ References

No definition available.

+ Details

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- Details

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