PROPERTY, PLANT AND EQUIPMENT, NET

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT, NET

PROPERTY, PLANT AND EQUIPMENT, NET

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

Depreciation expense for the years ended December 31, 2017, 2016 and 2015 was $146,978, $116,629 and $94,781, respectively. The Company capitalized $7,156 and $8,452 in interest during 2017 and 2016, respectively, in connection with construction in progress.