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Royalty and Other Property Interests - Disclosure of detailed information about royalty interests (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period $ 48,099 $ 53,425
Net Additions (Recoveries) 3,439 (217)
Depletion (6,368) (5,039)
Impairment (399) (70)
Royalty and other property interests, end of period 44,771 48,099
Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 102,109  
Royalty and other property interests, end of period 105,348 102,109
Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (54,010)  
Royalty and other property interests, end of period (60,577) (54,010)
Royalty Interests    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 46,216 51,691
Net Additions (Recoveries) 3,187 (409)
Depletion (6,368) (5,039)
Impairment (336) (27)
Royalty and other property interests, end of period 42,699 46,216
Royalty Interests | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 95,877  
Royalty and other property interests, end of period 99,064 95,877
Royalty Interests | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (49,661)  
Royalty and other property interests, end of period (56,365) (49,661)
Royalty Interests | Gediktepe | Türkiye    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 29,901 34,528
Net Additions (Recoveries) 0 0
Depletion (5,942) (4,627)
Impairment 0 0
Royalty and other property interests, end of period 23,959 29,901
Royalty Interests | Gediktepe | Türkiye | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 43,746  
Royalty and other property interests, end of period 43,746 43,746
Royalty Interests | Gediktepe | Türkiye | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (13,845)  
Royalty and other property interests, end of period (19,787) (13,845)
Royalty Interests | Diablillos | Argentina    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 6,582 6,582
Net Additions (Recoveries) 0 0
Depletion 0 0
Impairment 0 0
Royalty and other property interests, end of period 6,582 6,582
Royalty Interests | Diablillos | Argentina | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 7,224  
Royalty and other property interests, end of period 7,224 7,224
Royalty Interests | Diablillos | Argentina | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (642)  
Royalty and other property interests, end of period (642) (642)
Royalty Interests | Leeville | USA    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 4,141 4,546
Net Additions (Recoveries) 0 0
Depletion (424) (405)
Impairment 0 0
Royalty and other property interests, end of period 3,717 4,141
Royalty Interests | Leeville | USA | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 38,869  
Royalty and other property interests, end of period 38,869 38,869
Royalty Interests | Leeville | USA | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (34,728)  
Royalty and other property interests, end of period (35,152) (34,728)
Royalty Interests | Chapi | Peru    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 0  
Net Additions (Recoveries) 3,404  
Depletion 0  
Impairment 0  
Royalty and other property interests, end of period 3,404 0
Royalty Interests | Chapi | Peru | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, end of period 3,404  
Royalty Interests | Chapi | Peru | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, end of period 0  
Royalty Interests | Berenguela | Peru    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 1,828 1,828
Net Additions (Recoveries) 0 0
Depletion 0 0
Impairment 0 0
Royalty and other property interests, end of period 1,828 1,828
Royalty Interests | Berenguela | Peru | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 2,006  
Royalty and other property interests, end of period 2,006 2,006
Royalty Interests | Berenguela | Peru | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (178)  
Royalty and other property interests, end of period (178) (178)
Royalty Interests | Tartan Lake | Canada    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 914 914
Net Additions (Recoveries) 0 0
Depletion 0 0
Impairment 0 0
Royalty and other property interests, end of period 914 914
Royalty Interests | Tartan Lake | Canada | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 1,003  
Royalty and other property interests, end of period 1,003 1,003
Royalty Interests | Tartan Lake | Canada | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (89)  
Royalty and other property interests, end of period (89) (89)
Royalty Interests | Revelo Portfolio | Chile    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 401 1,137
Net Additions (Recoveries) (52) (709)
Depletion 0 0
Impairment 0 (27)
Royalty and other property interests, end of period 349 401
Royalty Interests | Revelo Portfolio | Chile | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 453  
Royalty and other property interests, end of period 401 453
Royalty Interests | Revelo Portfolio | Chile | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (52)  
Royalty and other property interests, end of period (52) (52)
Royalty Interests | Timok | Serbia    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 141 148
Net Additions (Recoveries) 0 0
Depletion (2) (7)
Impairment 0 0
Royalty and other property interests, end of period 139 141
Royalty Interests | Timok | Serbia | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 195  
Royalty and other property interests, end of period 195 195
Royalty Interests | Timok | Serbia | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (54)  
Royalty and other property interests, end of period (56) (54)
Royalty Interests | Other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 2,308 2,008
Net Additions (Recoveries) (165) 300
Depletion 0 0
Impairment (336) 0
Royalty and other property interests, end of period 1,807 2,308
Royalty Interests | Other | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 2,381  
Royalty and other property interests, end of period 2,216 2,381
Royalty Interests | Other | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (73)  
Royalty and other property interests, end of period (409) (73)
Other Property Interests    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 1,883 1,734
Net Additions (Recoveries) 252 192
Depletion 0 0
Impairment (63) (43)
Royalty and other property interests, end of period 2,072 1,883
Other Property Interests | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 6,232  
Royalty and other property interests, end of period 6,284 6,232
Other Property Interests | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (4,349)  
Royalty and other property interests, end of period (4,212) (4,349)
Other Property Interests | Perry Portfolio | Canada    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 498 741
Net Additions (Recoveries) (90) (200)
Depletion 0 0
Impairment (63) (43)
Royalty and other property interests, end of period 345 498
Other Property Interests | Perry Portfolio | Canada | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 2,199  
Royalty and other property interests, end of period 2,199 2,199
Other Property Interests | Perry Portfolio | Canada | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (1,701)  
Royalty and other property interests, end of period (1,854) (1,701)
Other Property Interests | Revelo Portfolio | Chile    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 709 0
Net Additions (Recoveries) 52 709
Depletion 0 0
Impairment 0 0
Royalty and other property interests, end of period 761 709
Other Property Interests | Revelo Portfolio | Chile | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 709  
Royalty and other property interests, end of period 761 709
Other Property Interests | Revelo Portfolio | Chile | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 0  
Royalty and other property interests, end of period 0 0
Other Property Interests | Other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 676 993
Net Additions (Recoveries) 290 (317)
Depletion 0 0
Impairment 0 0
Royalty and other property interests, end of period 966 676
Other Property Interests | Other | Historical cost    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period 3,324  
Royalty and other property interests, end of period 3,324 3,324
Other Property Interests | Other | Accumulated depletion and other    
Categories Of Royalty And Other Property Interests [Line Items]    
Royalty and other property interests, beginning of period (2,648)  
Royalty and other property interests, end of period $ (2,358) $ (2,648)