v3.26.1
Commitments (Tables)
 12 Months Ended
Dec. 31, 2025
Commitments [Abstract]  
Disclosure of detailed information about significant commitments related to the acquisition of royalties and streams [Table Text Block]
Company Project (asset) Installments Triggering events
       
Gold Resource Corporation Back Forty project
(gold stream)		 $5.0 million Receipt of all material permits for the construction and operation of the project.
    $25.0 million Pro-rata to drawdowns with construction finance facility.
       
SolGold plc Cascabel project
(gold stream)		 $10.0 million Achievement of operational milestones, including submission of all final permit applications for the construction and operation of the project.
    $195.0 million Pro-rata to drawdowns with construction finance facility.
       
Falco Resources Ltd. Horne 5 project
(silver stream)		 C$45.0 million Receipt of all necessary material third-party approvals, licenses, rights of way, surface rights on the property and all material construction permits, positive construction decision, and raising a minimum of C$135.0 million in non-debt financing and demonstrating that the financial assurance required to allow Falco to proceed with the commencement of mining activities can be satisfied, as applicable.
    C$60.0 million Upon total projected capital expenditure having been demonstrated to be financed.
    C$40.0 million
(optional)		 Payable with fourth installment, at sole election of OR Royalties, to increase the silver stream to 100% of payable silver (from 90%).
       
Disclosure of detailed information about significant commitments for streams and offtakes [Table Text Block]
  Attributable payable
production
to be purchased		 Per ounce/tonne
cash payment		 Term of
agreement		  
Date of contract
Interest Silver Other Silver Other    
CSA streams (1) 100% 2.25 - 4.875%
(Copper)		 4% 4% Life of mine June 2023
             
Gibraltar stream (2) 100%   nil   Life of mine March 2018
Amended Dec. 2024
             
Mantos Blancos stream (3) 100%   8% spot   Life of mine September 2015
Amended Aug. 2019
             
Sasa stream (4) 100%   $6.665   40 years November 2015