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BASIS OF PREPARATION AND SIGNIFICANT ACCOUNTING POLICIES - Gain (Loss) Derivative Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Price Risk Derivatives [Line Items] |  |  |
Realized gain on oil derivative instrument | $ 2,539 | $ 13,089 | $ 26,737
Vessels - FLNG | Energy related derivative |  |  |
Price Risk Derivatives [Line Items] |  |  |
Realized gain on oil derivative instrument | 2,539 | 13,089 | 26,737
Unrealized loss on oil derivative instrument | (45,100) | (39,090) | (9,970)
Gain (loss) on price risk derivatives, net | $ (42,561) | $ (26,001) | $ 16,767

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- Definition Realized Gain on Price Risk Cash Flow Derivatives, before Tax + References No definition available. + Details
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- Definition The aggregate net gain (loss) on price risk derivatives included in earnings in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of unrealized loss related to the decrease in fair value of price risk derivatives designated as cash flow hedging instruments recorded in accumulated other comprehensive income in the period, before taxes, to the extent that the cash flow hedge is determined to be effective. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624171-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558989&loc=d3e80720-113993 + Details
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