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INVESTMENTS IN AFFILIATES - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |  |
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Apr. 15, 2021 | Jan. 13, 2021 | Nov. 08, 2018 | Oct. 01, 2018 | Mar. 31, 2020 | Feb. 29, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Jan. 12, 2021 | Nov. 30, 2019 | Dec. 31, 2018 | Jul. 31, 2016 | Dec. 31, 2011 | Mar. 31, 2006
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, other than temporary impairment |  |  |  |  |  |  | $ 135,883 | $ 500 |  |  |  |  |  |
Percentage of voting interest acquired |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |
Common shares, par value (in dollars per share) |  |  |  |  |  |  | $ 1.00 | $ 1.00 |  |  |  |  |  |
Investment in affiliates |  |  |  |  |  |  | $ 312,151 | $ 508,805 |  |  | $ 571,782 |  |  |
Hygo |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage, equity method investment |  |  |  |  |  |  | 50.00% |  |  |  |  | 50.00% |  |
Golar Partners |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of limited partners units |  |  |  |  |  | 107,000 |  |  |  |  |  |  |  |
Equity method investment, other than temporary impairment |  |  |  |  |  |  | $ 135,900 |  |  |  |  |  |  |
Egyptian Company for Gas Services S.A.E |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock purchased (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000
Common stock purchased, price per share (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1
Percentage of voting interest acquired |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  | 50.00%
Investee capital share amount called |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,500 |
Cash paid to maintain equity interest |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,750 |
Ownership percentage, equity method investment |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |
GMLP Merger Agreement | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale | $ 75,700 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold (in shares) | 21,333,586 |  |  |  |  |  |  |  |  |  |  |  |  |
GMLP Merger Agreement | Subsequent Event | GP Buyer |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (USD per share) | $ 3.55 |  |  |  |  |  |  |  |  |  |  |  |  |
GMLP Merger Agreement | New Fortress Energy | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Premium % on share price | 27.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ 2.79 |  |  |  |  |  |  |  | $ 2.79 |  |  |  |  |
GP Transfer Agreement | Subsequent Event | GP Buyer |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale | $ 5,100 |  |  |  |  |  |  |  |  |  |  |  |  |
HYGO Merger Agremenet | Subsequent Event | New Fortress Energy (NFE) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in acquisition (in shares) |  | 18,600,000 |  |  |  |  |  |  |  |  |  |  |  |
HYGO Merger Agremenet | New Fortress Energy | Subsequent Event | Hygo |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in acquisition (in shares) | 31,372,549 |  |  |  |  |  |  |  |  |  |  |  |  |
Cash payments | $ 580,000 |  |  |  |  |  |  |  |  |  |  |  |  |
HYGO Merger Agremenet | Stonepeak | Subsequent Event | New Fortress Energy (NFE) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in acquisition (in shares) | 12,745,098 |  |  |  |  |  |  |  |  |  |  |  |  |
Cash payments | $ 530,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Cash settlement of preferred equity | $ 180,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Golar Partners |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage, equity method investment |  |  |  |  |  |  | 32.80% | 32.00% |  |  |  |  |  |
Investment in affiliates |  |  |  |  |  |  | $ 67,429 | $ 214,296 |  |  |  |  |  |
Hygo |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage, equity method investment |  |  |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  |
Related party transaction amount |  |  |  |  |  |  | $ 0 | $ 5,000 |  |  |  |  |  |
Interest costs capitalized |  |  |  |  |  |  | 1,900 | 14,700 |  |  |  |  |  |
Investment in affiliates |  |  |  |  |  |  | $ 200,337 | $ 261,693 |  |  |  |  |  |
Hygo | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration received (in shares) | 18,627,451 |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration received | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |
CELSE | Hygo |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage, equity method investment |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |
Charter period (in years) |  |  |  |  | 25 years |  |  |  |  |  |  |  |  |
Avenir LNG Limited (“Avenir”) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage, equity method investment |  |  |  |  |  |  | 23.10% | 22.50% |  |  |  |  |  |
Interest costs capitalized |  |  |  |  |  |  | $ 900 | $ 1,300 |  |  |  |  |  |
Investment in affiliates |  |  |  |  |  |  | $ 39,984 | $ 28,101 |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  | $ 3,800 |  |  |
Ownership percentage after transaction |  |  | 22.50% |  |  |  |  |  |  |  |  |  |  |
Avenir LNG Limited (“Avenir”) | Stolt-Nielsen Ltd and Höegh LNG Holdings Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment company, committed capital |  |  |  | $ 182,000 |  |  |  |  |  |  |  |  |  |
Avenir LNG Limited (“Avenir”) | Stolt-Nielsen Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage after transaction |  |  | 45.00% |  |  |  |  |  |  |  |  |  |  |
Avenir LNG Limited (“Avenir”) | Hoegh LNG Holdings Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage after transaction |  |  | 22.50% |  |  |  |  |  |  |  |  |  |  |
Avenir LNG |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares subscribed to be purchased |  |  |  |  |  |  | 9,375,000 |  |  |  |  |  |  |
Share par value |  |  |  |  |  |  | $ 1.00 |  |  |  |  |  |  |
Aggregate cost |  |  |  |  |  |  | $ 9,400 |  |  |  |  |  |  |
Equity method investment, current liability |  |  |  |  |  |  | $ 1,900 |  |  |  |  |  |  |
Shares obliged to subscribe |  |  |  |  |  |  | 1,875,000 |  |  |  |  |  |  |
Equity Swap |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, fair value, net |  |  |  |  |  | $ 72,700 |  |  |  | $ 69,500 |  |  |  |
Equity Swap | Golar Partners |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, fair value, net |  |  |  |  |  | $ 500 |  |  |  |  |  |  |  |
Private Placement | Avenir LNG Limited (“Avenir”) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiary shares sold in transaction |  |  | 11,000,000 | 99,000,000 |  |  |  |  |  |  |  |  |  |
Common shares, par value (in dollars per share) |  |  |  | $ 1 |  |  |  |  |  |  |  |  |  |
Sale of stock, price per share |  |  | $ 1 | $ 1 |  |  |  |  |  |  |  |  |  |
Shares subscribed but unissued |  |  |  | 24,800,000 |  |  |  |  |  |  |  |  |  |
Investment in affiliates |  |  |  | $ 24,800 |  |  |  |  |  |  |  |  |  |
Avenir LNG Limited (“Avenir”) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage, equity method investment |  |  |  | 25.00% |  |  |  |  |  |  |  |  |  |
Shares subscribed to be purchased |  |  |  |  |  |  | 9,375,000 |  |  |  |  |  |  |
Aggregate cost |  |  |  |  |  |  | $ 9,400 |  |  |  |  |  |  |
Equity method investment, current liability |  |  |  |  |  |  | $ 1,900 |  |  |  |  |  |  |
Avenir LNG Limited (“Avenir”) | Stolt-Nielsen Ltd and Höegh LNG Holdings Ltd |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investments acquired: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment company, committed capital |  |  |  | $ 182,000 |  |  |  |  |  |  |  |  |  |

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