v3.25.2

Royalty, stream and other interests (Narrative) (Details) $ in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 15, 2024 USD ($) oz | Nov. 30, 2026 USD ($) | Jul. 31, 2025 USD ($) | May 31, 2025 USD ($) | Jun. 30, 2024 USD ($) | Mar. 25, 2024 USD ($) | Dec. 31, 2025 USD ($) oz t | Dec. 31, 2024 USD ($)
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Impairment loss |  |  |  |  |  |  | $ 5,495 | $ 49,558
Silver Stream South Railroad Project [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Investment in stream, payment |  |  |  | $ 13,000 |  |  |  |
Percentage of refined silver purchased |  |  |  | 100.00% |  |  |  |
Percentage of spot silver price used for paying refined silver delivered |  |  |  | 15.00% |  |  |  |
Cascabel Copper Gold Project [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Second deposit |  |  | $ 10,000 |  |  |  |  |
Additional deposits to fund construction costs | $ 650,000 |  |  |  |  |  |  |
Amount of deposit payable | 10,000 |  |  |  |  |  |  |
Amount payable on achievement of first operational milestones | 10,000 |  |  |  |  |  |  |
Amount payable on achievement of second operational milestones | 10,000 |  |  |  |  |  |  |
Amount payable pro rata drawdowns with construction facility | 195,000 |  |  |  |  |  |  |
Net smelter return |  |  |  |  |  |  | 0.60% |
Payment option for owner to buy-down 1/3 of NSR |  | $ 35,000 |  |  |  |  |  |
Cascabel Copper Gold Project [Member] | OR Royalties International Ltd. [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Initial deposits | 100,000 |  |  |  |  |  |  |
Additional deposits to fund construction costs | $ 225,000 |  |  |  |  |  |  |
Percentage of deposit | 30.00% |  |  |  |  |  |  |
Pre-construction deposit | $ 30,000 |  |  |  |  |  |  |
Construction deposit | $ 195,000 |  |  |  |  |  |  |
Percentage of purchase refined gold until first threshold | 6.00% |  |  |  |  |  | 6.00% |
First threshold of refined gold purchased | oz | 225,000 |  |  |  |  |  | 225,000 |
Percentage of purchase refined gold after first threshold | 3.60% |  |  |  |  |  | 3.60% |
Rights to repurchase gold stream, percentage |  |  |  |  |  |  | 50.00% |
Ongoing payments equal to a percentage of gold spot price | 20.00% |  |  |  |  |  |  |
Cascabel Copper Gold Project [Member] | Franco-Nevada (Barbados) Corporation [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of deposit | 70.00% |  |  |  |  |  |  |
Dalgaranga Gold Project [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of gross revenue royalty acquired |  |  |  |  |  |  |  | 1.80%
Percentage of gross revenue royalty acquired on additional regional exploration licenses |  |  |  |  |  |  |  | 1.35%
Investments in royalty, payment |  |  |  |  |  |  |  | $ 50,000
Gibraltar Silver Stream [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of portfolio acquired |  |  |  |  |  | 12.50% |  |
Effective stream percentage |  |  |  |  |  | 100.00% |  |
Investments in royalty, payment |  |  |  |  |  | $ 12,700 |  |
Gibraltar Silver Stream [Member] | Taseko [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of portfolio acquired |  |  |  |  |  | 12.50% |  |
Effective stream percentage |  |  |  |  |  | 100.00% |  |
Eagle Gold Mine [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Impairment loss |  |  |  |  | $ 49,600 |  |  |
Impairment loss, net of income taxes |  |  |  |  | $ 36,400 |  |  |
CSA Copper Stream [Member] | First threshold stream [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of purchased refined copper |  |  |  |  |  |  | 3.00% |
CSA Copper Stream [Member] | Second threshold stream [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of purchased refined copper |  |  |  |  |  |  | 4.875% |
Second threshold of refined copper purchased | t |  |  |  |  |  |  | 33,000 |
CSA Copper Stream [Member] | Fifth anniversary of closing date [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of purchased refined copper |  |  |  |  |  |  | 3.25% |
Second threshold of refined copper purchased | t |  |  |  |  |  |  | 23,900 |
One time cash payment |  |  |  |  |  |  | $ 20,000 |
CSA Copper Stream [Member] | Fifth anniversary of closing date [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of purchased refined copper |  |  |  |  |  |  | 4.0625% |
Second threshold of refined copper purchased | t |  |  |  |  |  |  | 28,450 |
One time cash payment |  |  |  |  |  |  | $ 40,000 |
CSA Copper Stream [Member] | Remaining life of mine [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of purchased refined copper |  |  |  |  |  |  | 2.25% |
CSA Copper Stream [Member] | Remaining life of mine [Member] | If option exercised and after 23,900 to 28,450 metric tonnes have been delivered in aggregate [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of purchased refined copper |  |  |  |  |  |  | 1.50% |
CSA Copper Stream [Member] | Remaining life of mine [Member] | If option exercised and after 23,900 to 28,450 metric tonnes have been delivered in aggregate [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Royalty, Stream And Other Interests [Line Items] |  |  |  |  |  |  |  |
Percentage of purchased refined copper |  |  |  |  |  |  | 1.875% |

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- Definition The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2025-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_d_ii&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2025-01-01 -Paragraph 130 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_b&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount, net of income taxes + References No definition available. + Details
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