Supplemental Guarantor / Non-Guarantor Financial Information Condensed Consolidating Statement of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	$ 92,363	$ 82,043	[1]
Cash flows from investing activities
Additions to properties and equipment	(38,574)	(17,224)
Distributions from noncontrolling interest	0	0
Proceeds from sale of assets	0	2,481
Distributions in excess of equity in earnings of SLC Pipeline	105	159
Net Cash Provided by (Used in) Investing Activities	(38,469)	(14,584)
Repayments of Long-term Lines of Credit		(66,000)
Proceeds from Long-term Lines of Credit	180,000
Cash flows from financing activities
Net Intercompany Financing Activities	0	0	[1]
Proceeds from Issuance of Common Units	0	73,444
Contribution from general partner	0	1,499
Redemption of senior notes	(156,188)	0
Distributions to HEP unitholders	(75,577)	(67,419)
Distributions to noncontrolling interests	(2,000)	(2,000)
Deferred financing costs	(9)	0
Purchase of units for incentive grants	(406)	(3,254)
Other	0	(250)
Net cash used for financing activities	(54,180)	(63,980)
Increase (decrease) for the period	(286)	3,479
Beginning of period	6,352	5,237
End of period	6,066	8,716
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(15,764)	(18,915)	[1]
Cash flows from investing activities
Additions to properties and equipment	0	0
Distributions from noncontrolling interest	0	0
Proceeds from sale of assets		0
Distributions in excess of equity in earnings of SLC Pipeline	0	0
Net Cash Provided by (Used in) Investing Activities	0	0
Repayments of Long-term Lines of Credit		0
Proceeds from Long-term Lines of Credit	0
Cash flows from financing activities
Net Intercompany Financing Activities	247,935	14,895	[1]
Proceeds from Issuance of Common Units		73,444
Contribution from general partner		1,499
Redemption of senior notes	(156,188)
Distributions to HEP unitholders	(75,577)	(67,419)
Distributions to noncontrolling interests	0	0
Deferred financing costs	0
Purchase of units for incentive grants	(406)	(3,254)
Other	0	(250)
Net cash used for financing activities	15,764	18,915
Increase (decrease) for the period	0	0
Beginning of period	2	2
End of period	2	2
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	96,308	87,918	[1]
Cash flows from investing activities
Additions to properties and equipment	(33,831)	(16,486)
Distributions from noncontrolling interest	6,000	6,000
Proceeds from sale of assets		2,481
Distributions in excess of equity in earnings of SLC Pipeline	105	(159)
Net Cash Provided by (Used in) Investing Activities	(27,726)	(7,846)
Repayments of Long-term Lines of Credit		(66,000)
Proceeds from Long-term Lines of Credit	180,000
Cash flows from financing activities
Net Intercompany Financing Activities	(247,935)	(14,895)	[1]
Proceeds from Issuance of Common Units		0
Contribution from general partner		0
Redemption of senior notes	0
Distributions to HEP unitholders	0	0
Distributions to noncontrolling interests	0	0
Deferred financing costs	(9)
Purchase of units for incentive grants	0	0
Other	0	0
Net cash used for financing activities	(67,944)	(80,895)
Increase (decrease) for the period	638	(823)
Beginning of period	1,447	823
End of period	2,085	0
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	11,819	13,040	[1]
Cash flows from investing activities
Additions to properties and equipment	(4,743)	(738)
Distributions from noncontrolling interest	0	0
Proceeds from sale of assets		0
Distributions in excess of equity in earnings of SLC Pipeline	0	0
Net Cash Provided by (Used in) Investing Activities	(4,743)	(738)
Repayments of Long-term Lines of Credit		0
Proceeds from Long-term Lines of Credit	0
Cash flows from financing activities
Net Intercompany Financing Activities	0	0	[1]
Proceeds from Issuance of Common Units		0
Contribution from general partner		0
Redemption of senior notes	0
Distributions to HEP unitholders	0	0
Distributions to noncontrolling interests	(8,000)	(8,000)
Deferred financing costs	0
Purchase of units for incentive grants	0	0
Other	0	0
Net cash used for financing activities	(8,000)	(8,000)
Increase (decrease) for the period	(924)	4,302
Beginning of period	4,903	4,412
End of period	3,979	8,714
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	0	0	[1]
Cash flows from investing activities
Additions to properties and equipment	0	0
Distributions from noncontrolling interest	(6,000)	(6,000)
Proceeds from sale of assets		0
Distributions in excess of equity in earnings of SLC Pipeline	0	0
Net Cash Provided by (Used in) Investing Activities	(6,000)	(6,000)
Repayments of Long-term Lines of Credit		0
Proceeds from Long-term Lines of Credit	0
Cash flows from financing activities
Net Intercompany Financing Activities	0	0	[1]
Proceeds from Issuance of Common Units		0
Contribution from general partner		0
Redemption of senior notes	0
Distributions to HEP unitholders	0	0
Distributions to noncontrolling interests	6,000	6,000
Deferred financing costs	0
Purchase of units for incentive grants	0	0
Other	0	0
Net cash used for financing activities	6,000	6,000
Increase (decrease) for the period	0	0
Beginning of period	0	0
End of period	$ 0	$ 0

[1] (1) Effective with fiscal year 2013, we revised the cash flow presentation of transactions associated with the partnership's intercompany lending activities by reclassifying certain amounts from operating cash flows to financing cash flows.