Description of Business and Presentation of Financial Statements (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012 mi Petroleum_Refineries	Dec. 31, 2011
Ownership Interest By Project Type [Line Items]
Number of refineries located in Tulsa, Oklahoma	2
Refinery distance from main city (miles)	65
Allowance for doubtful accounts reserve	$ 2.5	$ 3.5
12-Inch Refined Products Pipeline Project [Member]
Ownership Interest By Project Type [Line Items]
Percentage of interest owned in pipeline project	75.00%
Description of pipeline acquired (inches)	12
Sabine Biofuels [Member]
Ownership Interest By Project Type [Line Items]
Percentage of interest owned in development stage biodiesel production facility	50.00%
HEP [Member]
Ownership Interest By Project Type [Line Items]
Percentage of ownership in variable interest entity	42.00%
Percentage of general partner interest	2.00%
HEP [Member] | SLC Pipeline Project [Member]
Ownership Interest By Project Type [Line Items]
Percentage of interest owned in pipeline project	25.00%
Length of pipeline (miles)	95