Consolidated Statements Of Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Non-controlling Interest
Beginning Balance at Dec. 31, 2014	$ 6,100,719	$ 2,560	$ 4,003,628	$ 2,778,577	$ 27,894	$ (1,289,075)	$ 577,135
Net income (loss)	802,508			740,101			62,407
Dividends	(247,489)			(247,489)
Distributions to noncontrolling interest holders	(83,268)						(83,268)
Other comprehensive income (loss), net of tax	(31,905)				(32,049)	0	144
Issuance of common stock under incentive compensation plans, net of forfeitures			(14,958)			14,958
Equity-based compensation, inclusive of tax expense	25,865		22,382				3,483
Purchase of treasury stock	(753,114)					(753,114)	0
Purchase of HEP units for restricted grants	(3,555)						(3,555)
Other	12						12
Ending Balance at Dec. 31, 2015	5,809,773	2,560	4,011,052	3,271,189	(4,155)	(2,027,231)	556,358
Net income (loss)	(190,945)			(260,453)			69,508
Dividends	(234,008)			(234,008)
Distributions to noncontrolling interest holders	(92,607)						(92,607)
Other comprehensive income (loss), net of tax	14,709				14,767	0	(58)
Equity attributable to HEP common unit issuances, net of tax	111,276		23,110				88,166
Issuance of common stock under incentive compensation plans, net of forfeitures			(25,982)			25,982
Equity-based compensation, inclusive of tax expense	21,352		18,625				2,727
Purchase of treasury stock	(134,062)					(134,062)	0
Purchase of HEP units for restricted grants	(3,521)						(3,521)
Other	18						18
Ending Balance at Dec. 31, 2016	5,301,985	2,560	4,026,805	2,776,728	10,612	(2,135,311)	620,591
Net income (loss)	881,242			805,395			75,847
Dividends	(235,508)			(235,508)
Distributions to noncontrolling interest holders	(110,351)						(110,351)
Other comprehensive income (loss), net of tax	19,438				19,495	0	(57)
Equity attributable to HEP common unit issuances, net of tax	8,174		69,802		(238)		(61,390)
Equity awards issued on PCLI acquisition	6,600		(6,600)				0
Issuance of common stock under incentive compensation plans, net of forfeitures			(10,326)			10,326
Equity-based compensation, inclusive of tax expense	42,337		39,815				2,522
Purchase of treasury stock	(15,926)					(15,926)	0
Purchase of HEP units for restricted grants	(605)						(605)
Other	(446)						(446)
Ending Balance at Dec. 31, 2017	$ 5,896,940	$ 2,560	$ 4,132,696	$ 3,346,615	$ 29,869	$ (2,140,911)	$ 526,111