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INVESTMENTS IN AVAILABLE-FOR-SALE SECURITIES (Details) (USD $)	12 Months Ended			3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2015
Investments in available-for-sale securities:
Proceeds from Sale of Available-for-sale Securities	$ 0us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities	$ 99,210,000us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities	$ 0us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
Gain on disposal of available-for-sale securities	0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet	(754,000)us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet	0us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
Golar LNG Partners
Investments in available-for-sale securities:
Investment in available-for-sale securities	275,307,000us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = glng_GolarLngPartnersMember	267,352,000us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = glng_GolarLngPartnersMember
Unrealized gain on available-for-sale security	15,700,000us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = glng_GolarLngPartnersMember	7,800,000us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = glng_GolarLngPartnersMember
Proceeds from Sale of Available-for-sale Securities	99,200,000us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = glng_GolarLngPartnersMember
GasLog [Member]
Investments in available-for-sale securities:
Proceeds from Sale of Available-for-sale Securities		300,000us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = glng_GaslogMember
Gain on disposal of available-for-sale securities		100,000us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = glng_GaslogMember
Scenario, Forecast [Member] | Golar LNG Partners
Investments in available-for-sale securities:
Proceeds from Sale of Available-for-sale Securities				$ 207,000,000us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = glng_GolarLngPartnersMember / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (b)

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- Definition

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

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-Section 50

-Paragraph 9

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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