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Acquisitions and Other Transactions - Acquisition of Royalty on AngloGold Ashanti plc Arthur Gold Project - Nevada, U.S (Details) - USD ($)
$ in Millions
Nov. 19, 2025
Jul. 23, 2025
Aug. 13, 2024
Yanacocha Gold Mine      
Acquisitions      
Percentage of NSR on existing royalty     1.80%
Contingent payment     $ 15.0
Acquisition of Royalties | AngloGold's Arthur Gold Project - Nevada, U.S      
Acquisitions      
Percentage of net smelter return ("NSR") royalty acquired   1.00%  
Percentage of NSR on existing royalty   1.50%  
Cash transferred   $ 250.0  
Contingent payment   $ 25.0  
Contingent consideration paid $ 25.0