PROPERTY, PLANT AND EQUIPMENT (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, plant and equipment
Total property, plant and equipment	$ 5,523,310,000	$ 4,700,025,000
Less: Accumulated depreciation (2)	(598,016,000)	(511,377,000)
Total property, plant and equipment, net	4,925,294,000	4,188,648,000
Depreciation expense	122,700,000	120,200,000	105,500,000
Land
Property, plant and equipment
Total property, plant and equipment	614,663,000	301,604,000
Rights-of-way
Property, plant and equipment
Total property, plant and equipment	104,491,000	107,580,000
Pad gas
Property, plant and equipment
Total property, plant and equipment		29,346,000
Buildings and leasehold improvements
Property, plant and equipment
Total property, plant and equipment	314,980,000	150,720,000
Buildings and leasehold improvements | Minimum
Property, plant and equipment
Estimated Useful Lives	13 years
Buildings and leasehold improvements | Maximum
Property, plant and equipment
Estimated Useful Lives	50 years
Jetties, subsea pipeline and docks
Property, plant and equipment
Total property, plant and equipment	429,392,000	388,199,000
Jetties, subsea pipeline and docks | Minimum
Property, plant and equipment
Estimated Useful Lives	20 years
Jetties, subsea pipeline and docks | Maximum
Property, plant and equipment
Estimated Useful Lives	50 years
Gas storage facility
Property, plant and equipment
Total property, plant and equipment	2,210,000	206,467,000
Gas storage facility | Minimum
Property, plant and equipment
Estimated Useful Lives	25 years
Gas storage facility | Maximum
Property, plant and equipment
Estimated Useful Lives	50 years
Pipelines and terminals
Property, plant and equipment
Total property, plant and equipment	3,787,411,000	3,200,195,000
Pipelines and terminals | Minimum
Property, plant and equipment
Estimated Useful Lives	7 years
Pipelines and terminals | Maximum
Property, plant and equipment
Estimated Useful Lives	50 years
Vehicles, equipment and office furnishings
Property, plant and equipment
Total property, plant and equipment	81,478,000	84,549,000
Vehicles, equipment and office furnishings | Minimum
Property, plant and equipment
Estimated Useful Lives	3 years
Vehicles, equipment and office furnishings | Maximum
Property, plant and equipment
Estimated Useful Lives	20 years
Construction in progress
Property, plant and equipment
Total property, plant and equipment	$ 188,685,000	$ 231,365,000