v3.26.1
Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Property, plant and equipment    
Operational Mining Properties Gross $ 2,124,075 $ 1,657,873
Mineral Interest 9,912,250 1,683,564
Land 84,694 9,961
Buildings and Improvements, Gross [1] 2,748,233 1,741,055
Property, Plant and Equipment, Gross 15,017,331 5,222,115
Accumulated depreciation and amortization [2] (2,854,195) (2,477,231)
Construction in Progress, Gross 148,079 129,662
Property, plant and equipment and mining properties, net $ 12,163,136 $ 2,744,884
[1] Includes $11.7 million and $123.8 million associated with facilities and equipment assets under finance leases at June 30, 2026 and December 31, 2025, respectively.
[2] Includes $10.4 million and $75.1 million of accumulated amortization related to assets under finance leases at June 30, 2026 and December 31, 2025, respectively.