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Financial Instruments and Risk Management (Fuel Option Contracts) (Details) - Fuel Options [Member] - Commodity price risk [member] $ in Millions | 12 Months Ended
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Dec. 31, 2021 USD ($) $ / gal | Dec. 31, 2020 USD ($)
Disclosure of detailed information about hedged items [line items] |  |
Gains (losses) on change in fair value of derivatives | $ | $ (0.9) | $ (0.1)
Financial assets, at fair value | $ | $ 0.4 |
Bottom of range [member] |  |
Disclosure of detailed information about hedged items [line items] |  |
Average price of hedging instrument | $ / gal | 1.87 |
Top of range [member] |  |
Disclosure of detailed information about hedged items [line items] |  |
Average price of hedging instrument | $ / gal | 2.28 |

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- Definition The average price of a hedging instrument. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 23B -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_23B_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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- Details
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