v3.25.2
Property, Plant and Equipment
 6 Months Ended
Jun. 30, 2025
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT AND MINING PROPERTIES, NET
Property, plant and equipment and mining properties, net consist of the following:
In thousandsJune 30, 2025December 31, 2024
Mine development$1,587,846 $1,502,457 
Mineral interests1,683,564 833,564 
Land9,961 9,000 
Facilities and equipment(1)
1,706,072 1,517,170 
Construction in progress134,947 145,732 
Total$5,122,390 $4,007,923 
Accumulated depreciation, depletion and amortization(2)
(2,327,703)(2,190,307)
Property, plant and equipment and mining properties, net$2,794,687 $1,817,616 
(1) Includes $164.7 million and $170.1 million associated with facilities and equipment assets under finance leases at June 30, 2025 and December 31, 2024, respectively.
(2) Includes $77.5 million and $63.3 million of accumulated amortization related to assets under finance leases at June 30, 2025 and December 31, 2024, respectively.