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Financial Instruments and Risk Management - Carrying Value and Fair Value of Financial Instruments (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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FVTPL |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial liabilities | $ 0 | $ (134,020)
Liabilities, at fair value | 0 | (134,020)
FVTPL | Financial Derivatives | Level 2 |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial liabilities | 0 | (134,020)
Liabilities, at fair value | 0 | (134,020)
Amortized cost |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial liabilities | (1,212,033) | (1,570,390)
Liabilities, at fair value | (1,230,090) | (1,615,095)
Amortized cost | Trade and other payables | Level 1 |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial liabilities | (281,404) | (190,692)
Liabilities, at fair value | (281,404) | (190,692)
Amortized cost | Credit Facilities | Level 1 |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial liabilities | (383,031) | (505,171)
Liabilities, at fair value | (385,394) | (506,514)
Amortized cost | Long-term notes | Level 1 |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial liabilities | (547,598) | (874,527)
Liabilities, at fair value | (563,292) | (917,889)
FVTPL |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial assets | 10,105 | 8,654
Financial assets, at fair value | 10,105 | 8,654
FVTPL | Level 2 |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial assets | 10,105 | 8,654
Financial assets, at fair value | 10,105 | 8,654
Amortized cost |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial assets | 233,949 | 173,409
Financial assets, at fair value | 233,949 | 173,409
Amortized cost | Cash | Level 1 |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial assets | 5,464 | 0
Financial assets, at fair value | 5,464 | 0
Amortized cost | Trade and Other Receivables | Level 1 |  |
Disclosure Of Financial Assets And Liabilities [Line Items] |  |
Financial assets | 228,485 | 173,409
Financial assets, at fair value | $ 228,485 | $ 173,409

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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35H -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35H&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35M -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35M&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35N -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35N&doctype=Standard -URIDate 2022-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35I -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35I&doctype=Standard -URIDate 2022-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard -URIDate 2022-03-24 + 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 2022-03-24 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard -URIDate 2022-03-24 + Details
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