Properties, Plants and Equipment (Components Of Property, Plants And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	$ 4,343,857	$ 3,943,114
Accumulated depreciation	(949,261)	(748,414)
Properties, plants and equip, net	3,394,596	3,194,700
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	235,625	198,610
Refining facilities
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	2,510,750	2,261,733
Pipelines and terminals
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	1,158,288	1,113,080
Transportation vehicles
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	41,066	29,970
Other fixed assets
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	116,801	105,075
Construction in progress
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	$ 281,327	$ 234,646