Holly Energy Partners (Narrative) (Details) (USD $)	12 Months Ended		1 Months Ended		6 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended		0 Months Ended	12 Months Ended
	Dec. 31, 2012	Jul. 02, 2011	Dec. 31, 2011 HEP	Nov. 30, 2011 HEP	Jun. 30, 2012 HEP	Dec. 31, 2012 HEP Customers	Nov. 09, 2011 HEP	Mar. 31, 2010 HEP Tulsa East Lovington Storage Asset Transaction [Member] Boe	Dec. 31, 2011 HEP Legacy Frontier Tankage and Terminal Asset Transaction [Member]	Nov. 09, 2011 HEP Legacy Frontier Tankage and Terminal Asset Transaction [Member]	Jul. 12, 2012 HEP UNEV	Dec. 31, 2012 HEP UNEV	Dec. 31, 2012 HEP Securities Pledged as Collateral [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of ownership in variable interest entity												44.00%	21.00%
Percentage of general partner interest												2.00%
Concentration risk, number of significant customers						2
Concentration risk, precentage of total revenues	10.00%					84.00%
Common HEP units colleralized for crude oil													6,000,000
Equity method investment, ownership percentage											75.00%
Aggregate consideration paid in connection with merger		$ 3,700,000,000
Purchase price paid in cash											260,000,000
Purchase price paid with equity, shares			1,500,000	3,800,000					3,800,000		1,000,000
Term for transportation agreement												10 years
Purchase obligation, minimum annualized payment					217,200,000							16,900,000
Purchase price paid with debt							150,000,000			150,000,000
Proceeds from sale of storage assets								93,000,000
Storage capacity sold (number of barrels)								2,000,000
Price per common unit			$ 53.50
Net proceeds used to repay debt instruments			$ 75,800,000