PROPERTY, PLANT AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Summary of property, plant and equipment

Depreciation is computed using the straight-line method over the following estimated useful lives:

Process units and equipment	5-25 years
Pipeline and equipment	5-25 years
Buildings	25 years
Computers, furniture and fixtures	3-7 years
Leasehold improvements	20 years
Railcars	50 years

Property, plant and equipment, net consisted of the following:

	December 31, 2017			December 31, 2016
Land	$	253,105		$	253,110
Process units, pipelines and equipment	2,799,360			2,504,008
Buildings and leasehold improvements	50,001			49,020
Computers, furniture and fixtures	105,921			81,780
Construction in progress	167,460			289,338
	3,375,847			3,177,256
Less—Accumulated depreciation	(570,457		)	(448,557		)
Total property, plant and equipment, net	$	2,805,390		$	2,728,699