INVENTORIES AND SUPPLIES (Tables)

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories and supplies consisted of the following (in thousands):

	June 30, 2020		December 31, 2019
Oil and oil related products	$	77,117	$	75,408
Supplies and drums	118,086		115,128
Solvent and solutions	10,553		9,973
Other	14,052		14,235
Total inventories and supplies	$	219,808	$	214,744