v3.26.1
Inventories (Tables)
3 Months Ended
Mar. 31, 2026
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories are summarized as follows:
 MARCH 31
2026
 DECEMBER 31
2025
Coal
$25,883 $24,585 
Mining supplies75,731 73,858 
 Total inventories$101,614  $98,443