Holly Energy Partners (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013 Customers	Mar. 31, 2013	Sep. 30, 2013
Variable Interest Entity [Line Items]
Sale of Stock, Number of Shares Issued in Transaction		1,875,000
Proceeds from Issuance of Common Stock		$ 73,400,000
HEP [Member]
Variable Interest Entity [Line Items]
Percentage of general partner interest			2.00%
Number of primary customers	2
Percentage of revenue Holly Corp represents			84.00%
Percentage of ownership in variable interest entity			39.00%
Annual contract payment			225,500,000
Sale of Stock, Number of Shares Issued in Transaction		1,875,000
Proceeds from Issuance of Common Stock			$ 146,888,000
UNEV Pipeline [Member]
Variable Interest Entity [Line Items]
Percentage of interest owned In pipeline project	75.00%