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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, 2020 USD ($) $ / gal
Disclosure of detailed information about hedged items [line items] |
Gains (losses) on change in fair value of derivatives | $ | $ (0.1)
Bottom of range [member] |
Disclosure of detailed information about hedged items [line items] |
Average price of hedging instrument | 1.00
Top of range [member] |
Disclosure of detailed information about hedged items [line items] |
Average price of hedging instrument | 1.50

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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 2020-01-01 -Paragraph 23B -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_23B_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + 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 2020-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_85&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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- Details
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- Details
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- Details
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