Fixed Assets (Schedule Of Fixed Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Fixed Assets, at cost	$ 4,589,038	$ 4,310,226
Less: Accumulated depreciation	(463,244)	(378,247)
Net fixed assets	4,125,794	3,931,979
Pipelines And Related Assets [Member]
Fixed Assets, at cost	2,657,642	2,501,821
Machinery And Equipment [Member]
Fixed Assets, at cost	418,013	414,100
Transportation Equipment [Member]
Fixed Assets, at cost	18,991	19,025
Marine Vessels [Member]
Fixed Assets, at cost	821,895	794,508
Land, Buildings And Improvements [Member]
Fixed Assets, at cost	49,431	41,202
Office Equipment, Furniture And Fixtures [Member]
Fixed Assets, at cost	9,347	7,540
Construction In Progress [Member]
Fixed Assets, at cost	566,804	485,575
Property, Plant And Equipment, Other Types [Member]
Fixed Assets, at cost	$ 46,915	$ 46,455

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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