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Reclamation
 9 Months Ended
Sep. 30, 2025
Asset Retirement Obligation Disclosure [Abstract]  
RECLAMATION RECLAMATION
Reclamation and mine closure costs are based principally on legal and regulatory requirements. Management estimates costs associated with reclamation of mining properties. On an ongoing basis, management evaluates its estimates and assumptions, and future expenditures could differ from current estimates. The asset retirement obligation increased in 2025 due to increased reclamation and mine closure costs associated with Las Chispas.
Changes to the Company’s asset retirement obligations for its operating sites are as follows:
Three Months Ended September 30,Nine Months Ended September 30,
In thousands2025202420252024
Asset retirement obligation - Beginning$275,032 $219,917 $260,492 $214,013 
Accretion4,988 4,233 14,620 12,463 
Additions and changes to estimates— — 8,644 — 
Settlements(3,796)(2,060)(7,532)(4,386)
Asset retirement obligation - Ending$276,224 $222,090 $276,224 $222,090