ACQUISITIONS AND DISPOSITION - Purchase Price Allocation of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2015	May. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013	Dec. 11, 2013
Business Acquisition [Line Items]
Goodwill	$ 998,748		$ 993,375		$ 821,500
Lateral Pipeline from Colonial
Business Acquisition [Line Items]
Property, plant and equipment	5,287
Goodwill	2,372
Environmental liabilities	(2,372)
Allocated purchase price	$ 5,287
ExxonMobil Terminal and Pipeline
Business Acquisition [Line Items]
Property, plant and equipment		$ 3,951
Goodwill		8,254
Asset retirement obligation		(4,200)
Environmental liabilities		(293)
Allocated purchase price		$ 7,712
Buckeye Texas
Business Acquisition [Line Items]
Current assets				$ 23,061
Property, plant and equipment				527,390
Intangible assets				376,000
Goodwill				167,379
Current liabilities				(54,943)
Noncontrolling interests				(207,778)
Allocated purchase price				$ 831,109
Hess Terminals Acquisition
Business Acquisition [Line Items]
Current assets						$ 16,533
Property, plant and equipment						802,101
Intangible assets						30,520
Goodwill						9,375
Current liabilities						(882)
Environmental liabilities						(1,270)
Allocated purchase price						$ 856,377