Consolidated Statements Of Equity (Unaudited) Consolidated Statements Of Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Noncontrolling Interest
Beginning Balance Stockholders' Equity at Dec. 31, 2018	$ 6,459,059	$ 2,560	$ 4,196,125	$ 4,196,902	$ 13,623	$ (2,490,639)	$ 540,488
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	276,486			253,055			23,431
Dividends declared per common share	(56,849)			(56,849)
Distributions to noncontrolling interest holders	(33,673)						(33,673)
Other comprehensive income (loss), net of tax	13,775				13,775
Issuance of common stock under incentive compensation plans, net of forfeitures			3			(3)
Equity-based compensation	9,374		8,713				661
Purchase of treasury stock	(73,225)					(73,225)
Purchase of HEP units for restricted grants	(373)						(373)
Ending Balance, Stockholders' Equity at Mar. 31, 2019	6,594,574	2,560	4,204,841	4,393,108	27,398	(2,563,867)	530,534
Beginning Balance Stockholders' Equity at Dec. 31, 2018	6,459,059	2,560	4,196,125	4,196,902	13,623	(2,490,639)	540,488
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	791,283
Other comprehensive income (loss), net of tax	3,594
Ending Balance, Stockholders' Equity at Sep. 30, 2019	6,541,363	2,560	4,224,770	4,740,677	17,217	(2,965,016)	521,155
Beginning Balance Stockholders' Equity at Mar. 31, 2019	6,594,574	2,560	4,204,841	4,393,108	27,398	(2,563,867)	530,534
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	216,817			196,915			19,902
Dividends declared per common share	(56,659)			(56,659)
Distributions to noncontrolling interest holders	(33,030)						(33,030)
Other comprehensive income (loss), net of tax	2,804				2,804
Equity attributable to HEP common unit issuances, net of tax	(140)						(140)
Issuance of common stock under incentive compensation plans, net of forfeitures			(138)			138
Equity-based compensation	12,188		11,602				586
Purchase of treasury stock	(205,555)					(205,555)
Ending Balance, Stockholders' Equity at Jun. 30, 2019	6,530,999	2,560	4,216,305	4,533,364	30,202	(2,769,284)	517,852
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	297,980			261,813			36,167
Dividends declared per common share	(54,500)			(54,500)
Distributions to noncontrolling interest holders	(33,392)						(33,392)
Other comprehensive income (loss), net of tax	(12,985)				(12,985)
Issuance of common stock under incentive compensation plans, net of forfeitures			(80)			80
Equity-based compensation	9,073		8,545				528
Purchase of treasury stock	(195,812)					(195,812)
Ending Balance, Stockholders' Equity at Sep. 30, 2019	6,541,363	2,560	4,224,770	4,740,677	17,217	(2,965,016)	521,155
Beginning Balance Stockholders' Equity at Dec. 31, 2019	6,509,426	2,560	4,204,547	4,744,120	14,774	(2,987,808)	531,233
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(293,286)			(304,623)			11,337
Dividends declared per common share	(57,248)			(57,248)
Distributions to noncontrolling interest holders	(33,918)						(33,918)
Other comprehensive income (loss), net of tax	(26,923)				(26,923)
Issuance of common stock under incentive compensation plans, net of forfeitures			(2,037)			2,037
Equity-based compensation	6,330		5,824				506
Purchase of treasury stock	(1,062)					(1,062)
Purchase of HEP units for restricted grants	(145)						(145)
Contributions from noncontrolling interests	7,304						7,304
Ending Balance, Stockholders' Equity at Mar. 31, 2020	6,110,478	2,560	4,208,334	4,382,249	(12,149)	(2,986,833)	516,317
Beginning Balance Stockholders' Equity at Dec. 31, 2019	6,509,426	2,560	4,204,547	4,744,120	14,774	(2,987,808)	531,233
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(420,348)
Other comprehensive income (loss), net of tax	(4,672)
Ending Balance, Stockholders' Equity at Sep. 30, 2020	5,876,569	2,560	4,217,128	4,088,816	10,102	(2,982,463)	540,426
Beginning Balance Stockholders' Equity at Mar. 31, 2020	6,110,478	2,560	4,208,334	4,382,249	(12,149)	(2,986,833)	516,317
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(150,407)			(176,677)			26,270
Dividends declared per common share	(57,182)			(57,182)
Distributions to noncontrolling interest holders	(17,090)						(17,090)
Other comprehensive income (loss), net of tax	14,374				14,374
Issuance of common stock under incentive compensation plans, net of forfeitures			(527)			527
Equity-based compensation	7,959		7,484				475
Purchase of treasury stock	(181)					(181)
Purchase of HEP units for restricted grants	(2)						(2)
Contributions from noncontrolling interests	5,959						5,959
Reclamation of stockholder short-swing profit	603
Ending Balance, Stockholders' Equity at Jun. 30, 2020	5,914,511	2,560	4,215,894	4,148,390	2,225	(2,986,487)	531,929
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	23,345			(2,401)			25,746
Dividends declared per common share	(57,173)			(57,173)
Distributions to noncontrolling interest holders	(19,933)						(19,933)
Other comprehensive income (loss), net of tax	7,877				7,877
Issuance of common stock under incentive compensation plans, net of forfeitures			(6,131)			6,131
Equity-based compensation	7,932		7,365				567
Purchase of treasury stock	(2,107)					(2,107)
Purchase of HEP units for restricted grants	(2)						(2)
Contributions from noncontrolling interests	2,119						2,119
Ending Balance, Stockholders' Equity at Sep. 30, 2020	$ 5,876,569	$ 2,560	$ 4,217,128	$ 4,088,816	$ 10,102	$ (2,982,463)	$ 540,426