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Segment disclosure - Disclosure of detailed information about geographical revenues segment reporting (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of operating segments [line items] |  |
Revenues | $ 247,320 | $ 217,809
Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 160,430 | 144,066
Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 86,890 | 73,743
North America [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 193,142 | 180,189
North America [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 158,562 | 140,488
North America [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 34,580 | 39,701
South America [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 32,664 | 25,205
South America [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 1,428 | 1,257
South America [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 31,236 | 23,948
Australia [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 10,413 | 961
Australia [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 154 | 69
Australia [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 10,259 | 892
Africa [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 286 | 2,252
Africa [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 286 | 2,252
Africa [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 0 | 0
Europe [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 10,815 | 9,202
Europe [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | 0 | 0
Europe [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Revenues | $ 10,815 | $ 9,202

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