PROPERTY, PLANT AND EQUIPMENT (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, plant and equipment
Total property, plant and equipment	$ 7,076,901	$ 6,467,947
Less: Accumulated depreciation	(874,820)	(732,160)
Total property, plant and equipment, net	6,202,081	5,735,787
Depreciation expense	158,700	148,400	$ 122,700
Land
Property, plant and equipment
Total property, plant and equipment	669,130	655,847
Rights-of-way
Property, plant and equipment
Total property, plant and equipment	107,293	104,754
Buildings and leasehold improvements
Property, plant and equipment
Total property, plant and equipment	$ 235,872	364,704
Buildings and leasehold improvements | Minimum
Property, plant and equipment
Estimated Useful Lives (Years)	13 years
Buildings and leasehold improvements | Maximum
Property, plant and equipment
Estimated Useful Lives (Years)	50 years
Jetties, subsea pipeline and docks
Property, plant and equipment
Total property, plant and equipment	$ 629,677	485,523
Jetties, subsea pipeline and docks | Minimum
Property, plant and equipment
Estimated Useful Lives (Years)	20 years
Jetties, subsea pipeline and docks | Maximum
Property, plant and equipment
Estimated Useful Lives (Years)	50 years
Gas storage facility
Property, plant and equipment
Total property, plant and equipment	$ 2,349	2,229
Gas storage facility | Minimum
Property, plant and equipment
Estimated Useful Lives (Years)	25 years
Gas storage facility | Maximum
Property, plant and equipment
Estimated Useful Lives (Years)	50 years
Pipelines and terminals
Property, plant and equipment
Total property, plant and equipment	$ 4,616,080	4,306,472
Pipelines and terminals | Minimum
Property, plant and equipment
Estimated Useful Lives (Years)	7 years
Pipelines and terminals | Maximum
Property, plant and equipment
Estimated Useful Lives (Years)	50 years
Vehicles, equipment and office furnishings
Property, plant and equipment
Total property, plant and equipment	$ 117,494	103,253
Vehicles, equipment and office furnishings | Minimum
Property, plant and equipment
Estimated Useful Lives (Years)	3 years
Vehicles, equipment and office furnishings | Maximum
Property, plant and equipment
Estimated Useful Lives (Years)	20 years
Processing facilities
Property, plant and equipment
Total property, plant and equipment	$ 557,853	0
Processing facilities | Minimum
Property, plant and equipment
Estimated Useful Lives (Years)	30 years
Processing facilities | Maximum
Property, plant and equipment
Estimated Useful Lives (Years)	50 years
Construction in progress
Property, plant and equipment
Total property, plant and equipment	$ 141,153	$ 445,165