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Non-controlling interests - Cash flows (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Disclosure of subsidiaries [line items] |  |
Cash flows from (used in) operating activities | $ 515,431 | $ 980,206
Cash flows from (used in) financing activities | (104,053) | (793,257)
Cash flows from (used in) investing activities | (250,692) | (306,351)
Methanex Egypt |  |
Disclosure of subsidiaries [line items] |  |
Cash flows from (used in) operating activities | 68,022 | 254,030
Cash flows from (used in) financing activities | (74,675) | (333,595)
Cash flows from (used in) investing activities | (8,859) | (3,619)
Vessels |  |
Disclosure of subsidiaries [line items] |  |
Cash flows from (used in) operating activities | 24,267 | 21,556
Cash flows from (used in) financing activities | (21,606) | 62,382
Cash flows from (used in) investing activities | (3,723) | (99,463)
Total |  |
Disclosure of subsidiaries [line items] |  |
Cash flows from (used in) operating activities | 92,289 | 275,586
Cash flows from (used in) financing activities | (96,281) | (271,213)
Cash flows from (used in) investing activities | $ (12,582) | $ (103,082)

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- Definition The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_10&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_50_d&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_10&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_50_d&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_10&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 50 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_50_d&doctype=Standard -URIDate 2019-03-27 + Details
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