BUSINESS SEGMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenue:
Revenue	$ 1,005,379	$ 982,640	$ 2,350,340	$ 2,242,079
Adjusted EBITDA:
Adjusted EBITDA	148,491	119,932	307,340	234,919
Operating Segments
Adjusted EBITDA:
Adjusted EBITDA	148,491	119,932	307,340	234,919
Operating Segments | Pipelines & Terminals
Revenue:
Revenue	190,632	167,312	384,832	333,240
Adjusted EBITDA:
Adjusted EBITDA	109,085	89,598	224,629	177,830
Operating Segments | International Operations
Revenue:
Revenue	144,369	50,428	315,219	100,663
Adjusted EBITDA:
Adjusted EBITDA	37,203	30,591	72,446	62,257
Operating Segments | International Operations | The Bahamas
Revenue:
Revenue	54,100	47,200	106,800	93,300
Operating Segments | Natural Gas Storage
Revenue:
Revenue	11,791	16,469	25,674	26,680
Adjusted EBITDA:
Adjusted EBITDA	(5,757)	(388)	(7,584)	(1,656)
Operating Segments | Energy Services
Revenue:
Revenue	650,326	746,821	1,612,145	1,777,247
Adjusted EBITDA:
Adjusted EBITDA	4,773	(3,206)	11,964	(9,378)
Operating Segments | Development & Logistics
Revenue:
Revenue	13,697	13,152	25,609	25,617
Adjusted EBITDA:
Adjusted EBITDA	3,187	3,337	5,885	5,866
Intersegment Eliminations
Revenue:
Revenue	$ (5,436)	$ (11,542)	$ (13,139)	$ (21,368)