ACQUISITIONS AND DISPOSITION - Narrative (Details) bbl / d in Thousands, $ in Thousands, bbl in Millions		1 Months Ended						3 Months Ended	12 Months Ended
	Dec. 11, 2013 USD ($) terminal bbl	Dec. 31, 2015 USD ($)	Apr. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($) bbl / d dock facilitiy berth splitter	Apr. 30, 2014 USD ($)	Apr. 30, 2013 USD ($)	May. 31, 2015 USD ($)	Dec. 31, 2015 USD ($) bbl / d dock facilitiy berth splitter bbl	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Business Acquisition [Line Items]
Number of condensate splitters | splitter									2
Capacity of condensate splitters (in barrels per day) | bbl / d									25
Total storage capacity of refined petroleum product terminals (in barrels) | bbl									110.0
Purchase price, net of cash acquired									$ 8,118	$ 824,719	$ 856,377
Goodwill		$ 998,748		$ 993,375					998,748	993,375	821,500
Consideration transferred									10,044	9,510	9,727
Proceeds from sale of discontinued operations									(857)	103,407	0
Natural Gas Storage
Business Acquisition [Line Items]
Proceeds from sale of discontinued operations				102,600
Working capital adjustments related to sale of businesses				2,400
Domestic Pipelines & Terminals
Business Acquisition [Line Items]
Goodwill		289,906		279,280					289,906	279,280	279,615
Merchant Services
Business Acquisition [Line Items]
Goodwill		4,499		$ 4,499					4,499	$ 4,499	$ 3,991
Lateral Pipeline from Colonial
Business Acquisition [Line Items]
Consideration for business acquisition		5,300
Goodwill		$ 2,372							$ 2,372
ExxonMobil Terminal and Pipeline
Business Acquisition [Line Items]
Consideration for business acquisition								$ 7,700
Goodwill								$ 8,254
Buckeye Texas
Business Acquisition [Line Items]
Consideration for business acquisition					$ 816,100
Percentage of equity investment ownership acquired					80.00%
Cash acquired in acquisition					$ 15,000
Working capital adjustment on acquisition of businesses					$ 4,900
Number of condensate splitters | splitter					2
Capacity of condensate splitters (in barrels per day) | bbl / d					25
Number of barrels of liquid petroleum products storage (in barrels) | bbl									6.0
Number of vessel berths | berth					5				5
Number of docks | dock					3				3
Number of field gathering facilities | facilitiy					3				3
Goodwill					$ 167,379
Hess Terminals Acquisition
Business Acquisition [Line Items]
Number of liquid petroleum product terminals acquired | terminal	20
Total storage capacity of refined petroleum product terminals (in barrels) | bbl	39.0
Purchase price, net of cash acquired	$ 856,400
Goodwill	9,375
Hess Terminals Acquisition | Domestic Pipelines & Terminals
Business Acquisition [Line Items]
Goodwill	6,000
Hess Terminals Acquisition | Merchant Services
Business Acquisition [Line Items]
Goodwill	$ 3,400
Hess Terminals Acquisition | U.S. East Coast
Business Acquisition [Line Items]
Number of liquid petroleum product terminals acquired | terminal	19
Total storage capacity of refined petroleum product terminals (in barrels) | bbl	29.0
Hess Terminals Acquisition | New York Harbor
Business Acquisition [Line Items]
Total storage capacity of refined petroleum product terminals (in barrels) | bbl	15.0
Hess Terminals Acquisition | St. Lucia in the Caribbean
Business Acquisition [Line Items]
Total storage capacity of refined petroleum product terminals (in barrels) | bbl	10.0
Buckeye Aviation (Memphis) LLC
Business Acquisition [Line Items]
Consideration transferred			$ 10,000			$ 9,500	$ 9,700
Additional interest acquired, percentage						0.10	0.10
Ownership interest percentage, before acquisition						80.00%	70.00%
Ownership interest percentage, after acquisition			100.00%			90.00%	80.00%