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Other Current Assets - Schedule of Other Current Assets (Details) - USD ($) shares in Thousands, $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Other Current Assets [Line Items] |  |
Investment in listed equity securities (note 9 and 18) | $ 660,642 | $ 0
Other receivables | 4,288 | 6,291
Prepaid expenses | 3,963 | 2,391
Other current assets | 668,893 | 8,682
Dividends receivable | 1,900 |
Level 2 | Carrying value |  |
Other Current Assets [Line Items] |  |
Investment in listed equity securities (note 9 and 18) | $ 658,779 | $ 0
New Fortress Energy (NFE) |  |
Other Current Assets [Line Items] |  |
Equity instrument (in shares) | 18,600 |
Dividends receivable | $ 1,900 |
New Fortress Energy (NFE) | Level 2 | Carrying value |  |
Other Current Assets [Line Items] |  |
Investment in listed equity securities (note 9 and 18) | $ 658,800 |

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