Consolidated Statement of Partners' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Units	General Partner Interest	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Balance December 31, 2013 at Dec. 31, 2013	$ 466,934	$ 516,147	$ (146,557)	$ (144)	$ 97,488
Increase (Decrease) in Partners' Equity [Roll Forward]
Distributions to HEP unitholders	(37,342)	(29,320)	(8,022)
Distributions to UNEV joint venture partners	(750)				(750)
Purchase of units for incentive grants	(336)	(336)
Amortization of restricted and performance units	820	820
Class B unit accretion	(1,624)	(1,592)	(32)
Net income	27,780	18,180	7,587		2,013
Other comprehensive income	95			95
Balance March 31, 2014 at Mar. 31, 2014	$ 455,577	$ 503,899	$ (147,024)	$ (49)	$ 98,751