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Asset Under Development (Narrative) (Details) - USD ($) |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 16, 2019 | Apr. 30, 2019 | Feb. 28, 2019 | Oct. 31, 2019 | Sep. 30, 2019
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |
Term of charter |  |  | 20 years |  |
Contractual obligation |  | $ 1,300,000,000 |  |  | $ 1,142,200,000
Gimi $700 million facility |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 700,000,000 |  |  |  |
FLNG | Gimi MS |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |
Long-term purchase commitment, percentage | 30.00% |  |  |  |
Ownership percentage | 30.00% |  |  |  |
Subsequent Event | Gimi $700 million facility |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |
Debt instrument, face amount |  |  |  | $ 700,000,000 |
Gimi Conversion |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |
Term of charter |  |  | 20 years |  |
Contractual obligation |  | $ 1,300,000,000 |  |  |
Gimi Conversion | Keppel Capital |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |
Long-term purchase commitment, percentage |  | 30.00% |  |  |

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