INVENTORIES AND SUPPLIES (Tables)

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory

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

	December 31, 2019		December 31, 2018
Oil and oil related products	$	75,408	$	70,823
Supplies and drums	115,128		104,609
Solvent and solutions	9,973		10,657
Other	14,235		13,390
Total inventories and supplies	$	214,744	$	199,479