v3.26.1
Additional Comprehensive Income (Loss) Detail - Summary of Pre-development, reclamation and other (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Business Combination [Line Items]    
Care and maintenance costs $ 3,266 $ 2,626
(Gain) loss on sale of assets 25 186
Accretion 4,839 4,732
Acquisition related costs 19,910 8,887
Other Operating Income (Expense), Net 2,304 617
Pre-development, reclamation, and other 29,827 16,953
Kensington Royalty Matter    
Business Combination [Line Items]    
Gain (Loss) from Litigation Settlement [1] 0  
Royalty settlement [1]   (95)
U.S. Wage and Hour Matter    
Business Combination [Line Items]    
Gain (Loss) from Litigation Settlement [1] $ (517)  
Royalty settlement [1]   $ 0
[1] See Note 17 -- Commitments and Contingencies for additional details on the Kensington royalty settlement and Wage and Hour Litigation settlement.