Consolidated Statement of Equity - USD ($) $ in Thousands	Total	Common Units	Noncontrolling Interest
Balance, Beginning of Period at Dec. 31, 2018	$ 515,561	$ 427,435	$ 88,126
Increase (Decrease) in Partners' Equity [Roll Forward]
Distributions to HEP unitholders	(67,975)	(67,975)
Distributions to noncontrolling interest	(3,000)		(3,000)
Equity-based compensation	661	661
Class B unit accretion	(780)	(780)
Other	814	814
Net income	53,794	51,962	1,832
Balance, End of Period at Mar. 31, 2019	499,075	412,117	86,958
Balance, Beginning of Period at Dec. 31, 2018	515,561	427,435	88,126
Increase (Decrease) in Partners' Equity [Roll Forward]
Net income	185,137
Balance, End of Period at Sep. 30, 2019	488,484	404,584	83,900
Balance, Beginning of Period at Mar. 31, 2019	499,075	412,117	86,958
Increase (Decrease) in Partners' Equity [Roll Forward]
Distributions to HEP unitholders	(68,232)	(68,232)
Distributions to noncontrolling interest	(2,250)		(2,250)
Equity-based compensation	585	585
Class B unit accretion	(781)	(781)
Other	(138)	(138)
Net income	47,159	46,471	688
Balance, End of Period at Jun. 30, 2019	475,418	390,022	85,396
Increase (Decrease) in Partners' Equity [Roll Forward]
Distributions to HEP unitholders	(68,493)	(68,493)
Distributions to noncontrolling interest	(2,500)		(2,500)
Equity-based compensation	528	528
Class B unit accretion	(835)	(835)
Other	182	182
Net income	84,184	83,180	1,004
Balance, End of Period at Sep. 30, 2019	488,484	404,584	83,900
Balance, Beginning of Period at Dec. 31, 2019	487,758	381,103	106,655
Increase (Decrease) in Partners' Equity [Roll Forward]
Contribution from noncontrolling interest	7,304		7,304
Distributions to HEP unitholders	(68,519)	(68,519)
Distributions to noncontrolling interest	(3,000)		(3,000)
Equity-based compensation	506	506
Class B unit accretion	(835)	(835)
Other	208	208
Net income	26,912	25,696	1,216
Balance, End of Period at Mar. 31, 2020	450,334	338,159	112,175
Balance, Beginning of Period at Dec. 31, 2019	487,758	381,103	106,655
Increase (Decrease) in Partners' Equity [Roll Forward]
Net income	125,865
Balance, End of Period at Sep. 30, 2020	483,171	364,821	118,350
Balance, Beginning of Period at Mar. 31, 2020	450,334	338,159	112,175
Increase (Decrease) in Partners' Equity [Roll Forward]
Contribution from noncontrolling interest	5,959		5,959
Distributions to HEP unitholders	(34,460)	(34,460)
Distributions to noncontrolling interest	(1,000)		(1,000)
Equity-based compensation	474	474
Class B unit accretion	(835)	(835)
Other	80	80
Net income	77,954	77,305	649
Balance, End of Period at Jun. 30, 2020	498,506	380,723	117,783
Increase (Decrease) in Partners' Equity [Roll Forward]
Contribution from noncontrolling interest	2,119		2,119
Distributions to HEP unitholders	(34,458)	(34,458)
Distributions to noncontrolling interest	(3,845)		(3,845)
Equity-based compensation	567	567
Class B unit accretion	(894)	(894)
Other	177	177
Net income	20,999	18,706	2,293
Balance, End of Period at Sep. 30, 2020	$ 483,171	$ 364,821	$ 118,350