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Revenue - Narrative (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 12, 2025 | Jun. 30, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 11, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |
FLNG lease and operate agreement, term |  |  | 20 years |  |  |  |
Assets under development |  |  | $ 1,057,392 |  |  | $ 2,261,197 | $ 1,562,828
Lease and operate agreement, net pre-commissioning contractual cash flows, current liabilities | $ 86,100 |  | 0 |  | $ 123,100 | 23,842 |
Net investment in sales-type lease as of September 30, 2025 (2) | $ 1,767,500 |  | 1,757,086 |  |  |  |
Derecognition gain, assets under development |  |  | 29,981 | $ 0 |  |  |
FLNG Gimi |  |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |
FLNG lease and operate agreement, term | 20 years | 20 years |  |  |  |  |
Assets under development | $ 1,823,700 |  | 0 |  |  | $ 1,762,632 | $ 1,562,828
Derecognition gain, assets under development |  |  | $ 30,000 |  |  |  |

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- Definition FLNG Gimi Lease Term + References No definition available. + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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- Definition Amount, after allowance for credit loss, of net investment in sales-type lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 45 -Paragraph 1 -SubTopic 30 -Topic 842 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479016/842-30-45-1 + Details
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