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Supplemental Information - Change in Non-Cash Working Capital Items (Details) - CAD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Additional information [abstract]
Trade and other receivables	$ (65,932)	$ 66,285
Trade and other payables	34,737	(51,499)
Trade and other receivables/payables	(31,195)	14,786
Changes in non-cash working capital related to:
Change in non-cash working capital	(26,582)	48,758
Investing activities	(2,797)	(32,031)
Foreign currency translation on non-cash working capital	(1,816)	(1,941)
Changes in non-cash working capital	$ (31,195)	$ 14,786

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Adjustments For Increase (Decrease) In Trade And Other Receivables And Payables

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Foreign Currency Translation On Non-Cash Working Capital

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Increase (Decrease) In Non-Cash Working Capital

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Increase (Decrease) In Non-Cash Working Capital [Abstract]

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Increase (Decrease) In Non-Cash Working Capital, Investing Activities

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Adjustments for decrease (increase) in trade and other receivables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other receivables; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2021-01-01
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Adjustments for increase (decrease) in trade and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Number 7
-IssueDate 2021-01-01
-Paragraph 20
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The increase (decrease) in working capital.

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