Properties, Plants and Equipment (Components Of Property, Plants And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	$ 3,943,114	$ 3,631,787
Accumulated depreciation	(748,414)	(578,882)
Property, plant and equipment, net	3,194,700	3,052,905
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	198,610	168,108
Refining facilities
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	2,261,733	2,106,900
Pipelines and terminals
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	1,113,080	922,866
Transportation vehicles
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	29,970	29,418
Other fixed assets
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	105,075	97,676
Construction in progress
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	$ 234,646	$ 306,819