Description of Business and Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended		12 Months Ended				12 Months Ended
	Dec. 31, 2013 mi Petroleum_Refineries	Dec. 31, 2012	Dec. 31, 2013 Third Party Transportation Agreement [Member]	Dec. 31, 2012 Third Party Transportation Agreement [Member]	Dec. 31, 2013 Sabine Biofuels [Member]	Dec. 31, 2013 Twelve Inch Refined Products Pipeline Project [Member] in	Dec. 31, 2013 HEP SLC Pipeline mi	Dec. 31, 2013 Transportation vehicles	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Minimum [Member] Refining Pipeline And Terminal Facilities [Member]	Dec. 31, 2013 Minimum [Member] Buildings and Improvements [Member]	Dec. 31, 2013 Minimum [Member] Other fixed assets	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member] Refining Pipeline And Terminal Facilities [Member]	Dec. 31, 2013 Maximum [Member] Buildings and Improvements [Member]	Dec. 31, 2013 Maximum [Member] Other fixed assets	Dec. 31, 2013 UNEV [Member] HEP	Jul. 12, 2012 UNEV [Member] HEP
Property, Plant and Equipment [Line Items]
Number of refineries located in Tulsa, Oklahoma	2
Refinery distance from main city (miles)	65
Percentage of ownership in variable interest entity																	39.00%
Percentage of general partner interest																	2.00%
Size of pipeline (inches)						12
Equity Method Investment, Ownership Percentage	50.00%				50.00%	75.00%	25.00%											75.00%
Length of pipeline							95
Allowance for doubtful accounts	$ 2,400,000	$ 2,500,000
Asset retirement obligation	19,100,000	18,100,000
Minimum annual cash inflows from third-party transportation agreement			24,700,000
Third-party transportation agreement, amortization expense			2,000,000
Third-party transportation agreement, net of accumulated amortization			42,500,000	44,500,000
Difference between Carrying Amount and Underlying Equity							34,900,000
Equity Method Investment, Underlying Equity in Net Assets	8,500,000						59,600,000
Investment in HEP	0	0					24,700,000
Estimated useful life of assets, minimum								5 years		20 years	10 years	5 years		25 years	40 years	30 years
Frequency of maintenance, in period									2 years				5 years
Finite-Lived Intangible Assets, Accumulated Amortization			$ 17,700,000	$ 15,700,000