v3.26.1
Property, Plant and Equipment
 6 Months Ended
Jun. 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:
June 30,
2026		December 31,
2025
Plant and Equipment$5,065,060 $4,876,926 
Coal Properties and Surface Lands2,244,180 2,241,915 
Mine Development690,349 690,845 
Airshafts629,835 591,146 
Advance Mining Royalties331,319 329,970 
Total Property, Plant and Equipment8,960,743 8,730,802 
Less: Accumulated Depreciation, Depletion and Amortization4,608,495 4,343,920 
Total Property, Plant and Equipment—Net$4,352,248 $4,386,882 
As of June 30, 2026 and December 31, 2025, property, plant and equipment included gross assets under finance leases of $156,689 and $71,462, respectively. Accumulated amortization for finance leases was $32,549 and $15,230 at June 30, 2026 and December 31, 2025, respectively. Amortization expense for assets under finance leases was $12,169 and $2,882 for the three months ended June 30, 2026 and 2025, respectively, and $18,067 and $5,957 for the six months ended June 30, 2026 and 2025, respectively, and is included in Depreciation, Depletion and Amortization in the accompanying Condensed Consolidated Statements of Income (Loss).