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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.

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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

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