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)
Amortization of restricted and performance units	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	100,953
Balance, End of Period at Jun. 30, 2019	475,418	390,022	85,396
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)
Amortization of restricted and performance units	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
Balance, Beginning of Period at Dec. 31, 2019	487,758	381,103	106,655
Increase (Decrease) in Partners' Equity [Roll Forward]
Capital Contribution from Joint Venture Partner	7,304		7,304
Distributions to HEP unitholders	(68,519)	(68,519)
Distributions to noncontrolling interest	(3,000)		(3,000)
Amortization of restricted and performance units	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	104,866
Balance, End of Period at Jun. 30, 2020	498,506	380,723	117,783
Balance, Beginning of Period at Mar. 31, 2020	450,334	338,159	112,175
Increase (Decrease) in Partners' Equity [Roll Forward]
Capital Contribution from Joint Venture Partner	5,959		5,959
Distributions to HEP unitholders	(34,460)	(34,460)
Distributions to noncontrolling interest	(1,000)		(1,000)
Amortization of restricted and performance units	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