v3.26.1
Segment disclosure (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of operating segments [line items]    
Revenues $ 277,370 $ 191,157
Royalty, stream and other interests 1,140,026 1,113,855
Canada [Member]    
Disclosure of operating segments [line items]    
Revenues 160,100 121,700
Royalty, stream and other interests 355,700 338,500
Two royalty/stream interests [Member]    
Disclosure of operating segments [line items]    
Revenues $ 154,100 $ 100,600
Percentage of entity's revenue 56.00% 53.00%
One royalty interest [Member]    
Disclosure of operating segments [line items]    
Revenues $ 108,200 $ 78,300
Precious metals [Member]    
Disclosure of operating segments [line items]    
Percentage of entity's revenue 95.00% 94.00%