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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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Adjustments for share-based payments to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]

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