v3.25.2

Other assets | 12 Months Ended
--- | ---
Dec. 31, 2025
Other Asset [Abstract] |
Other assets [Text Block] | 8. Other assets
|  | December 31, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
|  | $ |  |  | $ |
Current |  |  |  |  |  |
Prepaid expenses and deposits |  | 2,326 |  |  | 1,612 |
|  | 2,326 |  |  | 1,612 |
Non-current |  |  |  |  |  |
Interest receivable |  | 1,292 |  |  | - |
Deferred financing fees |  | 2,003 |  |  | 1,293 |
Property and equipment (i) |  | 5,080 |  |  | 4,083 |
|  | 8,375 |  |  | 5,376 |
(i) Property and equipment includes right-of-use assets of $4.0 million as at December 31, 2025 ($3.9 million as at December 31, 2024).

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- Definition The disclosure of other assets. [Refer: Other assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_10_e&doctype=Standard -URIDate 2025-03-27 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | or_OtherAssetAbstract
Namespace Prefix: | or_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration