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Additional information on the consolidated statements of income (loss) - Disclosure of detailed information about revenues (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Additional Information On Consolidated Statements Of Loss Line Items |  |
Royalty, stream and other interest revenue | $ 224,877 | $ 213,630
Royalty interests [Member] |  |
Additional Information On Consolidated Statements Of Loss Line Items |  |
Royalty, stream and other interest revenue | 140,279 | 111,305
Stream interests [Member] |  |
Additional Information On Consolidated Statements Of Loss Line Items |  |
Royalty, stream and other interest revenue | 59,333 | 45,269
Offtake interests [Member] |  |
Additional Information On Consolidated Statements Of Loss Line Items |  |
Royalty, stream and other interest revenue | $ 25,265 | $ 57,056

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