XML 42 R31.htm IDEA: XBRL DOCUMENT v3.21.2
INVENTORIES (Tables)
9 Months Ended
Sep. 30, 2021
INVENTORIES  
Schedule of inventory

September 30,

December 31,

    

2021

    

2020

(in thousands)

 

  

 

  

Raw materials and supplies

$

78,298

$

81,278

Finished goods

 

1,583

 

1,640

Ending balance

$

79,881

$

82,918