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Segment disclosure - Disclosure of detailed information about geographical revenues segment reporting (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | $ 224,877 | $ 213,630
Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 140,279 | 111,305
Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 59,333 | 45,269
Offtakes [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 25,265 | 57,056
North America [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 187,433 | 177,835
North America [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 134,544 | 106,780
North America [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 27,624 | 13,999
North America [Member] | Offtakes [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 25,265 | 57,056
South America [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 21,396 | 20,416
South America [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 1,112 | 554
South America [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 20,284 | 19,862
South America [Member] | Offtakes [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 0 | 0
Australia [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 1,554 | 2,150
Australia [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 6 | 52
Australia [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 1,548 | 2,098
Australia [Member] | Offtakes [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 0 | 0
Africa [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 4,617 | 3,919
Africa [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 4,617 | 3,919
Africa [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 0 | 0
Africa [Member] | Offtakes [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 0 | 0
Europe [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 9,877 | 9,310
Europe [Member] | Royalties [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 0 | 0
Europe [Member] | Streams [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | 9,877 | 9,310
Europe [Member] | Offtakes [Member] |  |
Disclosure of operating segments [line items] |  |
Royalty, stream and other interest revenue | $ 0 | $ 0

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- Definition The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 28 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 23 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23_a&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 32 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_32&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 33 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_33_a&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_34&doctype=Standard -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 82 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_a&doctype=Standard -URIDate 2021-03-24 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_103&doctype=Standard -URIDate 2021-03-24 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_102&doctype=Standard -URIDate 2021-03-24 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2021-01-01 -Paragraph 33 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_33_b_i&doctype=Standard -URIDate 2021-03-24 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B12 -Subparagraph b -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
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