BUSINESS SEGMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenue:
Revenue	$ 1,088,758	$ 965,970	$ 3,439,098	$ 3,208,049
Adjusted EBITDA:
Adjusted EBITDA	153,842	152,571	461,182	387,490
Operating Segments
Adjusted EBITDA:
Adjusted EBITDA	153,842	152,571	461,182	387,490
Operating Segments | Pipelines & Terminals
Revenue:
Revenue	198,270	194,609	583,102	527,849
Adjusted EBITDA:
Adjusted EBITDA	114,412	112,879	339,041	290,709
Operating Segments | International Operations
Revenue:
Revenue	159,629	51,686	469,848	152,349
Adjusted EBITDA:
Adjusted EBITDA	40,475	33,548	112,921	95,805
Operating Segments | International Operations | The Bahamas
Revenue:
Revenue	53,400	48,200	160,200	141,400
Operating Segments | Natural Gas Storage
Revenue:
Revenue	14,907	20,229	40,581	46,909
Adjusted EBITDA:
Adjusted EBITDA	(2,759)	1,357	(10,343)	(299)
Operating Segments | Energy Services
Revenue:
Revenue	717,911	691,875	2,330,056	2,469,122
Adjusted EBITDA:
Adjusted EBITDA	(2,220)	1,619	9,744	(7,759)
Operating Segments | Development & Logistics
Revenue:
Revenue	16,439	11,798	42,048	37,415
Adjusted EBITDA:
Adjusted EBITDA	3,934	3,168	9,819	9,034
Intersegment Eliminations
Revenue:
Revenue	$ (13,398)	$ (4,227)	$ (26,537)	$ (25,595)