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	$	352,812		$	352,607
Process units, pipelines and equipment	3,414,372			3,013,801
Buildings and leasehold improvements	51,915			50,711
Computers, furniture and fixtures	110,968			82,120
Construction in progress	172,270			307,659
	4,102,337			3,806,898
Less—Accumulated depreciation	(623,124		)	(478,128		)
Total property, plant and equipment, net	$	3,479,213		$	3,328,770