PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

Property, plant and equipment consist of the following at the dates indicated (in thousands):

	Estimated Useful Lives (Years)	December 31,
		2018			2017
Land	N/A	$	669,383		$	677,866
Rights-of-way	(1)	105,811			109,282
Buildings and leasehold improvements	13-50	284,399			282,778
Jetties, subsea pipeline and docks	20-50	679,500			646,922
Gas storage facility	25-50	2,349			2,349
Pipelines and terminals	7-50	5,476,790			5,289,096
Vehicles, equipment and office furnishings	3-20	155,094			150,403
Processing facilities	30-50	630,386			589,971
Construction in progress	N/A	254,982			179,573
Total property, plant and equipment		8,258,694			7,928,240
Less: Accumulated depreciation		(1,343,898		)	(1,192,448		)
Total property, plant and equipment, net		$	6,914,796		$	6,735,792

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(1) Rights-of-way assets are depreciated over the useful life of the related pipeline assets.