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, 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	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)
Issuance of common stock under incentive compensation plans, net of forfeitures			(10,326)			10,326
Equity-based compensation	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)
Equity awards issued on PCLI acquisition	6,600		6,600
Ending Balance at Dec. 31, 2017	5,896,940	2,560	4,132,696	3,346,615	29,869	(2,140,911)	526,111
Net income (loss)	1,177,224			1,097,960			79,264
Dividends	(233,544)			(233,544)
Distributions to noncontrolling interest holders	(125,653)						(125,653)
Other comprehensive income (loss), net of tax	(22,928)				(22,928)	0	0
Equity attributable to HEP common unit issuances, net of tax	100,333		42,199		0		58,134
Issuance of common stock under incentive compensation plans, net of forfeitures			(17,742)			17,742
Equity-based compensation	42,172		38,972				3,200
Purchase of treasury stock	(367,470)					(367,470)	0
Purchase of HEP units for restricted grants	(568)						(568)
Cumulative Effect of New Accounting Principle in Period of Adoption	(7,447)			(14,129)	6,682
Ending Balance at Dec. 31, 2018	$ 6,459,059	$ 2,560	$ 4,196,125	$ 4,196,902	$ 13,623	$ (2,490,639)	$ 540,488