XML 37 R23.htm IDEA: XBRL DOCUMENT v3.8.0.1
INVENTORIES (Tables)
9 Months Ended
Sep. 30, 2017
INVENTORIES  
Schedule of inventories

 

 

 

 

 

 

 

 

 

    

September 30, 

 

December 31, 

 

 

 

2017

    

2016

 

 

 

(in thousands)

 

 

 

 

 

 

 

 

 

Coal

 

$

51,657

 

$

29,242

 

Supplies (net of reserve for obsolescence of $5,015 and $4,940, respectively)

 

 

36,010

 

 

31,809

 

Total inventories, net

 

$

87,667

 

$

61,051