Description of Business and Presentation of Financial Statements (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 mi Petroleum_Refineries
Ownership Interest By Project Type [Line Items]
Number of refineries located in Tulsa, Oklahoma	2
Refinery Distance From Main City [Miles]	65
Percentage Of Interest Owned In Development Stage Biodiesel Production Facility	50.00%
Allowance for doubtful accounts reserve	$ 2.4
Twelve Inch Refined Products Pipeline Project
Ownership Interest By Project Type [Line Items]
Description of pipeline acquired (inches)	12
HEP [Member]
Ownership Interest By Project Type [Line Items]
Percentage of ownership in variable interest entity	39.00%
Percentage of general partner interest	2.00%
HEP [Member] | SLC Pipeline [Member]
Ownership Interest By Project Type [Line Items]
Length of pipeline (miles)	95
SLC Pipeline [Member] | HEP [Member]
Ownership Interest By Project Type [Line Items]
Equity Method Investment, Ownership Percentage	25.00%
UNEV Pipeline [Member]
Ownership Interest By Project Type [Line Items]
Percentage of interest owned In pipeline project	75.00%