XML 23 R11.htm IDEA: XBRL DOCUMENT v3.23.1
INVENTORIES
3 Months Ended
Mar. 31, 2023
INVENTORIES  
INVENTORIES

4.INVENTORIES

Inventories consist of the following:

    

March 31, 

December 31, 

2023

    

2022

 

(in thousands)

Coal

$

50,406

$

23,553

Supplies (net of reserve for obsolescence of $6,967 and $6,601, respectively)

 

58,242

 

53,773

Total inventories, net

$

108,648

$

77,326