v3.26.3
Property, Plant and Equipment
 9 Months Ended
Sep. 30, 2026
Property, Plant, and Equipment [Abstract]  
Property, Plant and Equipment
NOTE 11—PROPERTY, PLANT AND EQUIPMENT:
Property, plant and equipment consisted of the following:
September 30,
2026		December 31,
2025
Plant and Equipment$5,141,618 $4,876,926 
Coal Properties and Surface Lands2,245,379 2,241,915 
Mine Development690,642 690,845 
Airshafts648,686 591,146 
Advance Mining Royalties331,368 329,970 
Total Property, Plant and Equipment9,057,693 8,730,802 
Less: Accumulated Depreciation, Depletion and Amortization4,751,862 4,343,920 
Total Property, Plant and Equipment—Net$4,305,831 $4,386,882 
As of September 30, 2026 and December 31, 2025, property, plant and equipment included gross assets under finance leases of $169,537 and $71,462, respectively. Accumulated amortization for finance leases was $45,236 and $15,230 at September 30, 2026 and December 31, 2025, respectively. Amortization expense for assets under finance leases was $12,744 and $3,358 for the three months ended September 30, 2026 and 2025, respectively, and $30,811 and $9,315 for the nine months ended September 30, 2026 and 2025, respectively, and is included in Depreciation, Depletion and Amortization in the accompanying Condensed Consolidated Statements of Income (Loss).