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Asset Under Development - Schedule Of Assets (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
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Sep. 30, 2023 | Dec. 31, 2022
Extractive Industries Rollforward [Abstract] |  |
Opening asset under development balance | $ 1,152,032 | $ 877,838
Additions | 137,876 | 221,184
Interest costs capitalized | 52,692 | 53,010
Closing asset under development balance | $ 1,342,600 | $ 1,152,032

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- Definition Assets Under Development + References No definition available. + Details
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Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Assets Under Development, Additions + References No definition available. + Details
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Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Assets Under Development, Interest Cost Capitalized + References No definition available. + Details
Name: | glng_AssetsUnderDevelopmentInterestCostCapitalized
Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Extractive Industries Rollforward + References No definition available. + Details
Name: | glng_ExtractiveIndustriesRollforwardAbstract
Namespace Prefix: | glng_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration