SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Useful lives 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 consisted of the following:

	December 31, 2014			December 31, 2013
Land	$	59,575		$	61,780
Process units, pipelines and equipment	1,843,157			1,658,256
Buildings and leasehold improvements	28,397			25,577
Computers, furniture and fixtures	68,431			54,496
Construction in progress	69,413			166,565
	2,068,973			1,966,674
Less—Accumulated depreciation	(262,913		)	(185,085		)
	$	1,806,060		$	1,781,589