XML 81 R74.htm IDEA: XBRL DOCUMENT
v3.25.3

Assets Under Development - Narrative (Details) $ in Thousands, liquefiedNaturalGasTon in Millions |  |  |  |  | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 12, 2025 USD ($) | Feb. 14, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 17, 2024 USD ($) liquefiedNaturalGasTon | Sep. 30, 2025 USD ($) | Sep. 17, 2024 USD ($) liquefiedNaturalGasTon | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |
Derecognition on commencement of sales-type lease |  |  |  |  | $ 1,823,677 |  | $ 0 |
Pre-operational assets |  |  |  |  | 26,146 |  | 8,782 |
Transferred from vessels and equipment, net |  |  |  |  | 76,270 |  | 0 |
Letter of Credit, Black and Veatch (“B&V”) | Letter of credit |  |  |  |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 100,000 |  |  |  |  |
Debt Instrument, upfront fee (in percentage) |  |  | 1.50% |  |  |  |  |
Debt instrument, margin on outstanding balance (in percentage) |  |  | 1.75% |  |  |  |  |
Engineering, procurement and construction agreement. MKII EPC |  |  |  |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |
Tons of liquefied natural gas, capacity | liquefiedNaturalGasTon |  |  |  | 3.5 |  | 3.5 |  |
Pre-operational assets |  |  |  | $ 255,300 |  | $ 255,300 |  |
Other assets, capitalized engineering costs, noncurrent |  |  |  |  |  |  |  | $ 59,400
Other assets, long lead items, noncurrent |  |  |  |  |  |  |  | $ 109,800
Additions to other assets, amount |  |  |  |  |  | $ 86,100 |  |
Conversion cost |  |  |  | $ 2,200,000 |  |  |  |
FLNG Gimi |  |  |  |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |
Production period | 20 years |  |  |  |  |  |  |
Conversion cost, capital spares and consumables receivables | $ 43,200 |  |  |  |  |  |  |
Derecognition on commencement of sales-type lease | $ 1,823,700 |  |  |  | 1,823,677 |  | 0 |
Transferred from vessels and equipment, net |  |  |  |  | 0 |  | 0 |
MKII FLNG |  |  |  |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |
Derecognition on commencement of sales-type lease |  |  |  |  | 0 |  | 0 |
Transferred from vessels and equipment, net |  | $ 76,300 |  |  | $ 76,270 |  | $ 0 |

X
- Definition Assets Under Development, Transfers From Vessels And Equipment, Net + References No definition available. + Details
Name: | glng_AssetsUnderDevelopmentTransfersFromVesselsAndEquipmentNet
Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Conversion Cost + References No definition available. + Details
Name: | glng_ConversionCost
Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Conversion Cost, Capital Spares and Consumables Receivables + References No definition available. + Details
Name: | glng_ConversionCostCapitalSparesAndConsumablesReceivables
Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Instrument, Margin on Outstanding Balance, Percentage + References No definition available. + Details
Name: | glng_DebtInstrumentMarginOnOutstandingBalancePercentage
Namespace Prefix: | glng_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Upfront Fee, Percentage + References No definition available. + Details
Name: | glng_DebtInstrumentUpfrontFeePercentage
Namespace Prefix: | glng_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Derecognition On Commencement Of Sales-Type Lease + References No definition available. + Details
Name: | glng_DerecognitionOnCommencementOfSalesTypeLease
Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other Assets, Capitalized Engineering Costs, Noncurrent + References No definition available. + Details
Name: | glng_OtherAssetsCapitalizedEngineeringCostsNoncurrent
Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Other Assets, Long Lead Items, Noncurrent + References No definition available. + Details
Name: | glng_OtherAssetsLongLeadItemsNoncurrent
Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Preoperational Assets, Noncurrent + References No definition available. + Details
Name: | glng_PreoperationalAssetsNoncurrent
Namespace Prefix: | glng_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Production Period + References No definition available. + Details
Name: | glng_ProductionPeriod
Namespace Prefix: | glng_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tons Of Liquefied Natural Gas, Capacity + References No definition available. + Details
Name: | glng_TonsOfLiquefiedNaturalGasCapacity
Namespace Prefix: | glng_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of significant additions in the period in other assets (current, noncurrent, or unclassified). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_AdditionsToOtherAssetsAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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 Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 55 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477916/932-235-55-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-13 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-14 + Details
Name: | us-gaap_CapitalizedCostsRelatingToOilAndGasProducingActivitiesByGeographicAreaLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=glng_LetterOfCreditBlackAndVeatchBVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=glng_EngineeringProcurementAndConstructionAgreement.MKIIEPCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | glng_VesselNameAxis=glng_FLNGGimiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | glng_VesselNameAxis=glng_MKIIFLNGMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |