Consolidated Statement of Partners' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Units	General Partner Interest	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Beginning balance at Dec. 31, 2011	$ 737,678	$ 481,439	$ 163,701	$ (6,464)	$ 99,002
Increase (Decrease) in Partners' Equity [Roll Forward]
Capital contribution	13,286		10,286		3,000
Distributions to HEP unitholders	(122,777)	(99,744)	(23,033)
Cash distribution	(260,922)		(260,922)
Issuance of common units		45,839	(45,839)
Issuance of Class B unit	(12,200)		(12,200)
Purchase of Units for Incentive Grants	(4,713)	(4,713)
Amortization of restricted and performance units	2,858	2,858
Class B unit accretion	(1,703)	(1,694)	(9)
Partners' Capital Account, Acquisitions	7,947	7,947
Other	112		112
Net income	91,105	70,877	22,027
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest					(1,799)
Other comprehensive income	2,185			2,185
Ending balance at Dec. 31, 2012	452,856	502,809	(145,877)	(4,279)	100,203
Increase (Decrease) in Partners' Equity [Roll Forward]
Capital contribution	1,499		1,499
Stock Issued During Period, Value, Other	73,444	73,444
Distributions to HEP unitholders	(139,486)	(112,039)	(27,447)
Cash distribution	0
Purchase of Units for Incentive Grants	(5,313)	(5,313)
Amortization of restricted and performance units	3,575	3,575
Class B unit accretion	(6,221)	(6,097)	(124)
Distributions to noncontrolling interests	(3,125)				(3,125)
Other	(511)	(248)	(263)
Net income	86,081	60,016	25,655
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest					410
Other comprehensive income	4,135			4,135
Ending balance at Dec. 31, 2013	466,934	516,147	(146,557)	(144)	97,488
Increase (Decrease) in Partners' Equity [Roll Forward]
Distributions to HEP unitholders	(154,670)	(119,944)	(34,726)
Cash distribution	0
Purchase of Units for Incentive Grants	(3,577)	(3,577)
Amortization of restricted and performance units	3,539	3,539
Class B unit accretion	(6,668)	(6,534)	(134)
Distributions to noncontrolling interests	(4,025)				(4,025)
Net income	113,813	79,182	33,012
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest					1,619
Other comprehensive income	98			98
Ending balance at Dec. 31, 2014	$ 415,444	$ 468,813	$ (148,405)	$ (46)	$ 95,082