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ASSETS UNDER DEVELOPMENT - Narrative (Details) liquefiedNaturalGasTon in Thousands, $ in Thousands |  | 1 Months Ended | 9 Months Ended | 10 Months Ended | 12 Months Ended | 69 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) | Apr. 30, 2019 USD ($) | Sep. 17, 2024 USD ($) liquefiedNaturalGasTon | Jan. 09, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 USD ($) | Aug. 03, 2024 liquefiedNaturalGasTon | Aug. 02, 2024 liquefiedNaturalGasTon | Dec. 31, 2023 USD ($)
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |  |  |
Production period |  |  |  |  | 20 years |  |  |  |  |
Tons of liquefied natural gas, capacity | liquefiedNaturalGasTon |  |  |  |  |  |  |  | 2,400 | 2,450 |
Lease and operate agreement, pre-commissioning contractual cash flows, noncurrent asset |  |  |  |  | $ 0 | $ 0 | $ 0 |  |  | $ 105,400
Lease and operate agreement, pre-commissioning contractual cash flows, current liabilities |  |  |  |  |  |  |  |  |  | 30,500
Lease and operate agreement, net pre-commissioning contractual cash flows, current liabilities |  |  |  |  | 23,842 | 23,842 | 23,842 |  |  | 0
Lease and operate agreement, net pre-commissioning contractual cash flows, current assets |  |  |  |  | 31,600 | 31,600 | 31,600 |  |  |
Lease and operate agreement, net pre-commissioning contractual cash flows, payments including milestones |  |  |  |  |  | 127,700 |  |  |  |
Lease and operate agreement, net pre-commissioning contractual cash flows, payments for crew accommodation arrangements |  |  |  |  | 6,000 |  |  |  |  |
Lease and operate agreement, net pre-commissioning contractual cash flows, payment of liquidated damages |  |  |  | $ 109,900 |  |  |  |  |  |
Pre-operational assets |  |  |  |  | 8,782 | 8,782 | 8,782 |  |  | 189,023
Letter of Credit in favor of 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% |  |  |  |  |  |  |  |  |
Gimi conversion |  |  |  |  |  |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |  |  |
Conversion cost, estimated |  |  |  |  |  |  | 1,700,000 |  |  |
Conversion cost, outstanding |  |  |  |  | 147,400 | 147,400 | 147,400 |  |  |
Conversion cost, estimated spares and consumables receivables |  |  |  |  | 39,100 | $ 39,100 | $ 39,100 |  |  |
Gimi conversion | Gimi 700 million facility |  |  |  |  |  |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |  |  |
Conversion cost, estimated |  | $ 700,000 |  |  |  |  |  |  |  |
Engineering, Procurement and Construction Agreement. MKII EPC |  |  |  |  |  |  |  |  |  |
Capitalized Costs Relating to Oil and Gas Producing Activities, by Geographic Area [Line Items] |  |  |  |  |  |  |  |  |  |
Conversion cost, estimated |  |  |  |  | $ 2,200,000 |  |  |  |  |
Tons of liquefied natural gas, capacity | liquefiedNaturalGasTon |  |  | 3,500 |  |  |  |  |  |  |
Pre-operational assets |  |  | $ 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 |  |  |  |  |  |  |

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