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ACCOUNTING POLICIES - Property and Equipment (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Property and equipment:      
Vessels, net $ 1,648,888,000glng_VesselsNet $ 811,715,000glng_VesselsNet  
Minimum [Member] | Vessels      
Property and equipment:      
Property, Plant and Equipment, Useful Life 40 years    
Minimum [Member] | Deferred drydocking expenditure      
Property and equipment:      
Property, Plant and Equipment, Useful Life 2 years    
Minimum [Member] | Office equipment and fittings      
Property and equipment:      
Property, Plant and Equipment, Useful Life 3 years    
Maximum [Member] | Vessels      
Property and equipment:      
Property, Plant and Equipment, Useful Life 50 years    
Maximum [Member] | Deferred drydocking expenditure      
Property and equipment:      
Property, Plant and Equipment, Useful Life 5 years    
Maximum [Member] | Office equipment and fittings      
Property and equipment:      
Property, Plant and Equipment, Useful Life 6 years    
Newbuildings      
Property and equipment:      
Interest Costs Capitalized 21,100,000us-gaap_InterestCostsCapitalized
/ us-gaap_NatureOfExpenseAxis
= glng_NewbuildingsMember
22,500,000us-gaap_InterestCostsCapitalized
/ us-gaap_NatureOfExpenseAxis
= glng_NewbuildingsMember
10,300,000us-gaap_InterestCostsCapitalized
/ us-gaap_NatureOfExpenseAxis
= glng_NewbuildingsMember
Vessel to FSRU retrofitting      
Property and equipment:      
Interest Costs Capitalized 0us-gaap_InterestCostsCapitalized
/ us-gaap_NatureOfExpenseAxis
= glng_VesselToFsruRetrofittingMember
0us-gaap_InterestCostsCapitalized
/ us-gaap_NatureOfExpenseAxis
= glng_VesselToFsruRetrofittingMember
1,800,000us-gaap_InterestCostsCapitalized
/ us-gaap_NatureOfExpenseAxis
= glng_VesselToFsruRetrofittingMember
Golar Arctic [Member]      
Property and equipment:      
Assets, Fair Value Disclosure 136,000,000us-gaap_AssetsFairValueDisclosure
/ glng_VesselNameAxis
= glng_GolarArcticMember
   
Vessels, net $ 156,000,000glng_VesselsNet
/ glng_VesselNameAxis
= glng_GolarArcticMember