INVENTORIES AND SUPPLIES (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory

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

	March 31, 2019		December 31, 2018
Oil and oil products	$	67,888	$	70,823
Supplies and drums	108,976		104,609
Solvent and solutions	10,500		10,657
Other	13,450		13,390
Total inventories and supplies	$	200,814	$	199,479