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Asset Retirement Obligations - Assumptions used to calculate the asset retirement obligation (Details) - Asset Retirement Obligation $ in Thousands | Dec. 31, 2022 CAD ($) | Dec. 31, 2021 CAD ($) | Dec. 31, 2021
--- | --- | --- | ---
Assumptions |  |  |
Significant unobservable input of liabilities | 116 | 410 |
Undiscounted cash flows |  |  |
Assumptions |  |  |
Significant unobservable input of liabilities | 1,932 |  |
Nominal discount rate |  |  |
Assumptions |  |  |
Significant unobservable input of liabilities | 3.31 | 1,204 | 1.47
Long-term inflation rate |  |  |
Assumptions |  |  |
Significant unobservable input of liabilities | 2.5 |  | 2.1

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The value of significant unobservable input used in the measurement of the fair value of liabilities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2022-03-24 -Paragraph 93 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2022-en-r&anchor=para_93_d&doctype=Standard -URIDate 2022-03-24 + Details
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