v3.26.1
Note 16 - Properties, Plants, Equipment and Mine Development, net, and Lease Commitments (Tables)
12 Months Ended
Dec. 31, 2025
Property, Plant, and Equipment [Abstract]  
Schedule of properties, plants, equipment, and mine development

Our major components of properties, plants, equipment, and mine development are (in thousands):

 

 

December 31,

 

 

2025

 

 

2024

 

 

 

 

 

 

 

Mining properties, including asset retirement obligations

 

$

761,053

 

 

$

695,786

 

Development costs

 

 

523,775

 

 

 

476,315

 

Plants and equipment

 

 

1,377,237

 

 

 

1,289,306

 

Land

 

 

32,962

 

 

 

35,680

 

Mineral interests

 

 

828,829

 

 

 

842,431

 

Construction in progress

 

 

72,281

 

 

 

66,566

 

 

 

3,596,137

 

 

 

3,406,084

 

Less accumulated depreciation, depletion and amortization

 

 

1,465,556

 

 

 

1,339,662

 

Net carrying value

 

$

2,130,581

 

 

$

2,066,422