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Expenses - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Expenses [Line Items] |  |
Share-based compensation expense (recovery) | $ 55,253 | $ (3,950)
Revenue | 2,649,963 | 3,283,514
Atlas Methanol Company Unlimited |  |
Expenses [Line Items] |  |
Revenue | $ 250,996 | $ 359,425

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