v3.25.2
Commitments and Contingencies - Contract Liability (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Business Combination [Line Items]        
Revenue Recognized $ 192 $ 118 $ 42,508 $ 55,277
Franco-Nevada        
Business Combination [Line Items]        
Opening Balance 6,230 6,784 6,382 6,943
Revenue Recognized (192) (118) (344) (277)
Closing Balance 6,038 6,666 6,038 6,666
Kensington        
Business Combination [Line Items]        
Opening Balance 0 55,112 42,164 55,082
Additions 0 30,175 0 85,205
Revenue Recognized 0 (42,005) (42,164) (97,005)
Closing Balance $ 0 $ 43,282 $ 0 $ 43,282