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Exploration and Evaluation Assets - Additional information (Details) - CAD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Exploration and Evaluation Assets
Estimated fair value of assets	$ 187,524	$ 167,611
Canadian Cobalt Camp
Exploration and Evaluation Assets
Percentage of interest held for sale	100.00%
Consideration for disposal	$ 1,000
Estimated fair value of assets	$ 1,338

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