INVENTORIES AND SUPPLIES (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory

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

	December 31, 2016		December 31, 2015
Oil and oil related products	$	52,158	$	33,603
Supplies and drums	90,610		78,132
Solvent and solutions	8,566		8,868
Modular camp accommodations	15,255		15,126
Other	11,839		13,792
Total inventories and supplies	$	178,428	$	149,521