v3.25.2

Key management | 12 Months Ended
--- | ---
Dec. 31, 2025
Disclosure of Information about Key Management [Abstract] |
Key management [Text Block] | 20. Key management Key management includes directors (executive and non-executive) and the executive management team. The compensation paid or payable to key management for employee services is presented below:
|  | 2025 |  |  | 2024 |
|  | $ |  |  | $ |
Salaries and short-term employee benefits |  | 3,189 |  |  | 3,036 |
Share-based compensation |  | 4,067 |  |  | 2,925 |
|  | 7,256 |  |  | 5,961 |
Key management employees are subject to employment agreements which provide for payments on termination of employment without cause or following a change of control providing for payments of between once to twice base salary and bonus and certain vesting acceleration clauses on restricted and deferred share units and share options.

X
- Definition The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]] + 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
Name: | ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration

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