Fixed Assets (Schedule Of Fixed Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fixed Assets, at cost	$ 4,163,909	$ 1,899,058
Less: Accumulated depreciation	(337,087)	(268,057)
Net fixed assets	3,826,822	1,631,001
Pipelines And Related Assets [Member]
Fixed Assets, at cost	2,481,871	466,613
Machinery And Equipment [Member]
Fixed Assets, at cost	406,512	376,672
Transportation Equipment [Member]
Fixed Assets, at cost	19,459	18,479
Marine Vessels [Member]
Fixed Assets, at cost	770,362	731,016
Land, Buildings And Improvements [Member]
Fixed Assets, at cost	41,304	38,037
Office Equipment, Furniture And Fixtures [Member]
Fixed Assets, at cost	7,481	6,696
Construction In Progress [Member]
Fixed Assets, at cost	390,464	222,233
Property, Plant And Equipment, Other Types [Member]
Fixed Assets, at cost	$ 46,456	$ 39,312