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Other assets - Narrative (Details) $ in Thousands, $ in Thousands | 1 Months Ended
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Jul. 31, 2021 CAD ($) | Jul. 31, 2021 USD ($)
Disclosure of financial assets [line items] |  |
Acquisition of common shares (as a percent) | 11.50% | 11.50%
Probe Metals, Inc. |  |
Disclosure of financial assets [line items] |  |
Payments for investments in marketable securities and debt securities | $ 23,691 | $ 18,654

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- Details
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