Holly Energy Partners (HEP) 10-Q 3 May 17 2017 Q1 Quarterly report Financial data

Document Entity Information

Document Entity Information - shares	3 Months Ended
	Mar. 31, 2017	Apr. 28, 2017
Entity Information [Line Items]
Entity Registrant Name	HOLLY ENERGY PARTNERS LP
Entity Central Index Key	1,283,140
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		63,922,861

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 7,007	$ 3,657
Accounts receivable:
Trade	10,111	7,846
Affiliates	35,634	42,562
Total accounts receivable	45,745	50,408
Prepaid and other current assets	3,170	2,888
Total current assets	55,922	56,953
Properties and equipment, net	1,320,981	1,328,395	[1]
Transportation agreements, net	65,118	66,856
Goodwill	256,498	256,498
Equity method investments	162,319	165,609
Other assets	9,297	9,926
Total assets	1,870,135	1,884,237	[1]
Accounts payable:
Trade	11,459	10,518
Affiliates	6,481	16,424
Total accounts payable	17,940	26,942
Accrued interest	4,518	18,069
Deferred revenue	11,807	11,102
Accrued property taxes	5,407	5,397
Other current liabilities	2,779	3,225
Total current liabilities	42,451	64,735
Long-term debt	1,240,565	1,243,912
Other long-term liabilities	16,521	16,445	[1]
Deferred revenue	46,881	47,035
Class B unit	41,000	40,319
Partners’ equity:
Common unitholders (63,922,861 and 62,780,503 units issued and outstanding at March 31, 2017 and December 31, 2016, respectively	521,050	510,975
General partner interest (2% interest)	(131,678)	(132,832)	[1]
Accumulated other comprehensive loss	154	91
Total partners’ equity	389,526	378,234	[1]
Noncontrolling interest	93,191	93,557
Total Equity	482,717	471,791	[1]
Total liabilities and equity	$ 1,870,135	$ 1,884,237	[1]
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Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - shares	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Partners' Equity:
Common units issued	63,922,861	62,780,503
Common units outstanding	63,922,861	62,780,503
General partner interest	2.00%

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Affiliates	$ 89,025	$ 82,846	[1]
Third parties	16,609	19,164	[1]
Total revenues	105,634	102,010	[1]
Operating costs and expenses:
Operations (exclusive of depreciation and amortization)	32,489	27,855	[1]
Depreciation and amortization	18,777	16,551	[1]
General and administrative	2,634	3,091	[1]
Total operating costs and expenses	53,900	47,497	[1]
Operating income	51,734	54,513	[1]
Other income (expense):
Equity in earnings of equity method investments	1,840	2,765	[1]
Interest expense	(13,539)	(10,535)	[1]
Interest income	102	112	[1]
Loss on early extinguishment of debt	(12,225)	0
Gain (Loss) on Sale of Assets and Other	73	(8)	[1]
Total other income (expense)	(23,749)	(7,666)	[1]
Income before income taxes	27,985	46,847	[1]
State income tax (expense) benefit	(106)	(95)	[1]
Net Income	27,879	46,752	[1]
Net (Income) Loss Attributable to Predecessor	0	1,150	[1]
Allocation of net income attributable to noncontrolling interests	(2,316)	(4,927)	[1]
Net income attributable to Holly Energy Partners	25,563	42,975	[1]
General partner interest in net income, including incentive distributions	(17,138)	(12,103)	[1]
Limited partners’ interest in net income	$ 8,425	$ 30,872	[1]
Limited partners’ per unit interest in earnings—basic and diluted:	$ 0.13	$ 0.52	[1]
Weighted average limited partners’ units outstanding	63,113	58,657	[1]
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Consolidated Statement of Compr

Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net income	$ 27,879	$ 46,752	[1]
Other comprehensive income:
Change in fair value of cash flow hedging instruments	76	(683)
Reclassification adjustment to net income on partial settlement of cash flow hedge	(13)	230
Other comprehensive income (loss)	63	(453)
Comprehensive income before noncontrolling interest	27,942	46,299	[1]
Net (Income) Loss Attributable to Predecessor	0	1,150	[1]
Allocation of net income attributable to noncontrolling interests	(2,316)	(4,927)	[1]
Comprehensive income attributable to Holly Energy Partners	$ 25,626	$ 42,522	[1]
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Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities
Net income	$ 27,879	$ 46,752	[1]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	18,777	16,551	[1]
(Gain) loss on sale of assets	(58)	0
Amortization of deferred charges	770	593
Amortization of restricted and performance units	398	651
Distributions less than income from equity investments	273	(365)
Loss on early extinguishment of debt	12,225	0
(Increase) decrease in operating assets:
Accounts receivable – trade	375	657
Accounts receivable – affiliates	7,733	(637)
Prepaid and other current assets	(282)	(128)
Increase (decrease) in operating liabilities:
Accounts payable – trade	(1,122)	(1,082)
Accounts payable – affiliates	(9,943)	(5,460)
Accrued interest	(13,551)	(4,780)
Deferred revenue	551	(4,588)
Accrued property taxes	9	343
Other current liabilities	(328)	(843)
Other, net	(106)	(295)
Net cash provided by operating activities	43,600	47,369
Cash flows from investing activities
Additions to Properties and Equipment	(8,265)	(17,873)	[1]
Payments to Acquire Other Property, Plant, and Equipment	0	(24,311)
Proceeds from sale of assets	424	12
Distributions in excess of equity in earnings of equity investments	3,016	99
Net cash used for investing activities	(4,825)	(42,073)
Cash flows from financing activities
Borrowings under credit agreement	380,000	522,000
Repayments of credit agreement borrowings	(86,000)	(469,000)
Contributions from General Partner	0
Redemption of senior notes	(309,750)	0
Proceeds from Issuance of Common Units	37,563	0
Distributions to HEP unitholders	(54,805)	(44,960)
Distributions to noncontrolling interests	(2,000)	(1,250)
Distribution to HFC for Tulsa Tank Acquisition	0	(39,500)
Additions to Properties and Equipment	103	0
Contributions from HFC for acquisitions	0	25,343	[1]
Purchase of units for incentive grants	0	(784)
Deferred financing costs	0	(2,964)
Other	(330)	(160)
Net cash used for financing activities	(35,425)	(11,275)
Cash and cash equivalents
Increase (decrease) for the period	3,350	(5,979)
Beginning of period	3,657	15,013
End of period	$ 7,007	$ 9,034
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Consolidated Statement of Equit

Consolidated Statement of Equity - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Common Units	General Partner Interest		Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Partners' Capital Account, Sale of Units	$ 39,371	$ 39,371
Balance at December 31, 2016 at Dec. 31, 2016	471,791	510,975	$ (132,832)	[1]	$ 91	$ 93,557
Increase (Decrease) in Partners' Equity [Roll Forward]
Contribution from HFC	805		805
Additions to Properties and Equipment	(103)		(103)
Distributions to HEP unitholders	(54,806)	(38,134)	(16,672)
Distributions to Noncontrolling Interest	(2,000)					(2,000)
Amortization of restricted and performance units	398	398
Class B unit accretion	(681)	(667)	(14)
Net income	27,879	9,107	17,138			1,634
Other comprehensive income	63				63
Balance at March 31, 2017 at Mar. 31, 2017	$ 482,717	$ 521,050	$ (131,678)		$ 154	$ 93,191
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Description of Business and Pre

Description of Business and Presentation of Financial Statements	3 Months Ended
	Mar. 31, 2017
Accounting Policies [Abstract]
Description of Business and Presentation of Financial Statements	Description of Business and Presentation of Financial Statements Holly Energy Partners, L.P. (“HEP”), together with its consolidated subsidiaries, is a publicly held master limited partnership which is 36% owned (including the 2% general partner interest) by HollyFrontier Corporation (“HFC”) and its subsidiaries as of March 31, 2017 . We commenced operations on July 13, 2004, upon the completion of our initial public offering. In these consolidated financial statements, the words “we,” “our,” “ours” and “us” refer to HEP unless the context otherwise indicates. We own and operate petroleum product and crude oil pipelines, terminal, tankage and loading rack facilities and refinery processing units that support HFC’s refining and marketing operations in the Mid-Continent, Southwest and Northwest regions of the United States and Alon USA, Inc.’s (“Alon”) refinery in Big Spring, Texas. Additionally, we own a 75% interest in UNEV Pipeline, LLC (“UNEV”), a 50% interest in Frontier Aspen, LLC, a 50% interest in Osage Pipe Line Company, LLC (“Osage”), a 50% interest in Cheyenne Pipeline LLC and a 25% interest in SLC Pipeline LLC. We operate in two reportable segments, a Pipelines and Terminals segment and a Refinery Processing Unit segment. Disclosures around these segments are discussed in Note 13. We generate revenues by charging tariffs for transporting petroleum products and crude oil through our pipelines, by charging fees for terminalling and storing refined products and other hydrocarbons, providing other services at our storage tanks and terminals and by charging fees for processing hydrocarbon feedstocks through our refinery processing units. We do not take ownership of products that we transport, terminal, store or process, and therefore, we are not exposed directly to changes in commodity prices. The consolidated financial statements included herein have been prepared without audit, pursuant to the rules and regulations of the United States Securities and Exchange Commission (the “SEC”). The interim financial statements reflect all adjustments, which, in the opinion of management, are necessary for a fair presentation of our results for the interim periods. Such adjustments are considered to be of a normal recurring nature. Although certain notes and other information required by U.S. generally accepted accounting principles (“GAAP”) have been condensed or omitted, we believe that the disclosures in these consolidated financial statements are adequate to make the information presented not misleading. These consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2016 . Results of operations for interim periods are not necessarily indicative of the results of operations that will be realized for the year ending December 31, 2017 . Principles of Consolidation and Common Control Transactions The consolidated financial statements include our accounts, our Predecessor's (defined below) and those of subsidiaries and joint ventures that we control. All significant intercompany transactions and balances have been eliminated. Most of our acquisitions from HFC occurred while we were a consolidated variable interest entity (“VIE”) of HFC. Therefore, as an entity under common control with HFC, we recorded these acquisitions on our balance sheets at HFC's historical basis instead of our purchase price or fair value. U.S. generally accepted accounting principles ("GAAP") require transfers of a business between entities under common control to be accounted for as though the transfer occurred as of the beginning of the period of transfer, and prior period financial statements and financial information are retrospectively adjusted to include the historical results and assets of the acquisitions from HFC for all periods presented prior to the effective dates of each acquisition. We refer to the historical results of the acquisitions prior to their respective acquisition dates as those of our "Predecessor." Many of these transactions are cash purchases and do not involve the issuance of equity; however, GAAP requires the retrospective adjustment of financial statements. Therefore, in such transactions, the prior year balance sheet includes as equity the amount of cost incurred by HFC to that date. See Acquisitions below for further discussion as well as effects of the retrospective adjustments. Acquisitions Osage On February 22, 2016, HFC obtained a 50% membership interest in Osage in a non-monetary exchange for a 20 -year terminalling services agreement, whereby a subsidiary of Magellan Midstream Partners (“Magellan”) will provide terminalling services for all HFC products originating in Artesia, New Mexico requiring terminalling in or through El Paso, Texas. Osage is the owner of the Osage Pipeline, a 135 -mile pipeline that transports crude oil from Cushing, Oklahoma to HFC’s El Dorado Refinery in Kansas and also connects to the Jayhawk pipeline serving the CHS Inc. refinery in McPherson, Kansas. The Osage Pipeline is the primary pipeline supplying HFC’s El Dorado refinery with crude oil. Concurrent with this transaction, we entered into a non-monetary exchange with HFC, whereby we received HFC’s interest in Osage in exchange for our El Paso terminal. Under this exchange, we agreed to build two connections on our south products pipeline system that will permit HFC access to Magellan’s El Paso terminal. Effective upon the closing of this exchange, we became the named operator of the Osage Pipeline and transitioned into that role on September 1, 2016. Since we are a consolidated VIE of HFC, this transaction was recorded as a transfer between entities under common control and reflects HFC’s carrying basis of its 50% membership interest in Osage of $44.5 million offset by our net carrying basis in the El Paso terminal of $12.1 million with the difference recorded as a contribution from HFC. However, since these transactions were concurrent, there was no impact on periods prior to February 22, 2016. Tulsa Tanks On March 31, 2016, we acquired crude oil tanks (the “Tulsa Tanks”) located at HFC’s Tulsa refinery from an affiliate of Plains All American Pipeline, L.P. (“Plains”) for cash consideration of $39.5 million . In 2009, HFC sold these tanks to Plains and leased them back, and due to HFC’s continuing interest in the tanks, HFC accounted for the transaction as a financing arrangement. Accordingly, the tanks had remained on HFC’s balance sheet and were being depreciated for accounting purposes. As we are a consolidated VIE of HFC, this transaction was recorded as a transfer between entities under common control and reflects HFC’s carrying basis in the net assets acquired. In the previously reported consolidated statement of income and consolidated cash flows for the three months ended March 31, 2016, we adjusted our financial position and operating results as if these units were owned for all periods while we were under common control of HFC. Cheyenne Pipeline On June 3, 2016, we acquired a 50% interest in Cheyenne Pipeline LLC, owner of the Cheyenne Pipeline, in exchange for a contribution of $42.6 million in cash to Cheyenne Pipeline LLC. Cheyenne Pipeline LLC will continue to be operated by an affiliate of Plains, which owns the remaining 50% interest. The 87 -mile crude oil pipeline runs from Fort Laramie to Cheyenne, Wyoming and has an 80,000 barrel per day (“bpd”) capacity. Woods Cross Operating Effective October 1, 2016, we acquired all the membership interests of Woods Cross Operating LLC (“Woods Cross Operating”), a wholly owned subsidiary of HFC, which owns the newly constructed atmospheric distillation tower, fluid catalytic cracking unit, and polymerization unit located at HFC’s Woods Cross Refinery, for cash consideration of $278 million . The consideration was funded with $103 million in proceeds from the private placement of 3,420,000 common units with the balance funded with borrowings under our credit facility. In connection with this transaction, we entered into 15 -year tolling agreements containing minimum quarterly throughput commitments from HFC that provide minimum annualized revenues of $56.7 million . The Utah Division of Air Quality issued an air quality permit to HollyFrontier Woods Cross Refining LLC (“HFC Woods Cross Refining”) authorizing the expansion units at the Woods Cross Refinery. The appeal proceeding challenging the Utah Department of Environmental Quality’s decision to uphold the air quality permit is still pending. The purchase agreement provides us with the option to compel HFC Woods Cross Refining to repurchase the interests for the full purchase price paid if the assets are required to be idled for 90 or more days as a result of a final decision in the appeal proceedings. If we do not exercise the foregoing right and, by reason of the appeal proceedings, the assets must be modified, then HFC will be responsible for the costs of such modifications. As we are a consolidated VIE of HFC, this transaction was recorded as a transfer between entities under common control and reflect HFC’s carrying basis in the net assets acquired. We have retrospectively adjusted our financial position and operating results as if these units were owned for all periods while we were under common control of HFC. The following table presents lines in our previously reported income statement for the three months ended March 31, 2016, that were impacted by Predecessor transactions, and retrospectively adjusts only the acquisition of Woods Cross Operating as the Tulsa Tanks acquisition included Predecessor transactions in the previously reported income statement for the three months ended March 31, 2016. However, the presentation of the Tulsa Tanks’ Predecessor transactions have been modified as shown in the table below. Three Months Ended March 31, 2016 Holly Energy Partners, L.P. (Previously reported) Tulsa Tanks Woods Cross Operating Holly Energy Partners, L.P. (Currently reported) (In Thousands) Operating costs and expenses: Operations (exclusive of depreciation and amortization) $ 26,922 $ — $ 933 $ 27,855 Allocation of net loss attributable to predecessor — 217 933 1,150 The following table presents lines in our previously reported cash flows for the three months ended March 31, 2016, that were impacted by Predecessor transactions, and retrospectively adjusts only the acquisition of Woods Cross Operating as the Tulsa Tanks acquisition included Predecessor transactions in the previously reported cash flows for the three months ended March 31, 2016. Three Months Ended March 31, 2016 Holly Energy Partners, L.P. (Previously reported) Woods Cross Operating Holly Energy Partners, L.P. (Currently reported) Cash flows from operating activities (In Thousands) Net income $ 47,685 $ (933 ) $ 46,752 Net cash provided by operating activities $ 48,302 $ (933 ) $ 47,369 Cash flows from investing activities Additions to properties and equipment $ (17,873 ) $ — $ (17,873 ) Acquisition of tanks and operating units — (24,311 ) (24,311 ) Net cash used for investing activities $ (17,762 ) $ (24,311 ) $ (42,073 ) Cash flows from financing activities Contributions from HFC for acquisitions $ 99 $ 25,244 $ 25,343 Net cash provided (used) by financing activities $ (36,519 ) $ 25,244 $ (11,275 ) Accounting Pronouncements Adopted During the Periods Presented Earnings Per Unit In April 2015, an accounting standard update was issued requiring changes to the allocation of the earnings or losses of a transferred business for periods before the date of a dropdown of net assets accounted for as a common control transaction entirely to the general partner for purposes of calculating historical earnings per unit. We adopted this standard as of January 1, 2016. In connection with the dropdown of assets from HFC’s Tulsa refinery on March 31, 2016, and the purchase of HFC’s Woods Cross refinery units on October 1, 2016, we reduced net income by $0.2 million and $0.9 million , respectively, for the three months ended March 31, 2016 . This reduction had no impact on the historical earnings per limited partner unit. Share-Based Compensation In March 2016, an accounting standard update was issued which simplifies the accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures and statutory tax withholding requirements, as well as classification in the statement of cash flows. We adopted this standard effective January 1, 2017, with no impact to our financial condition, results of operations and cash flows. As permitted by the standard, we continue to account for forfeitures on an estimated basis. Accounting Pronouncements Not Yet Adopted Revenue Recognition In May 2014, an accounting standard update was issued requiring revenue to be recognized when promised goods or services are transferred to customers in an amount that reflects the expected consideration for these goods or services. This standard has an effective date of January 1, 2018, and we intend to account for the new guidance using the modified retrospective implementation method, whereby a cumulative effect adjustment is recorded to retained earnings as of the date of initial application. Our preparation for adoption of this standard is in progress, and we are currently evaluating terms, conditions and our performance obligations of our existing contracts with customers. We are evaluating the effect of this standard on our revenue recognition policies and whether it will have a material impact on our financial condition or results of operations. Business Combinations In December 2014, an accounting standard update was issued to provide new guidance on the definition of a business in relation to accounting for identifiable intangible assets in business combinations. This standard has an effective date of January 1, 2018, and we are evaluating its impact. Financial Assets and Liabilities In January 2016, an accounting standard update was issued requiring changes in the accounting and disclosures for financial instruments. This standard will become effective beginning with our 2018 reporting year. We are evaluating the impact of this standard. Leases In February 2016, an accounting standard update was issued requiring leases to be measured and recognized as a lease liability, with a corresponding right-of-use asset on the balance sheet. This standard has an effective date of January 1, 2019, and we are evaluating the impact of this standard.

Financial Instruments

Financial Instruments	3 Months Ended
	Mar. 31, 2017
Fair Value Disclosures [Abstract]
Financial Instruments	Financial Instruments Our financial instruments consist of cash and cash equivalents, accounts receivable, accounts payable, debt and interest rate swaps. The carrying amounts of cash equivalents, accounts receivable and accounts payable approximate fair value due to the short-term maturity of these instruments. Debt consists of outstanding principal under our revolving credit agreement (which approximates fair value as interest rates are reset frequently at current interest rates) and our fixed interest rate senior notes. Fair value measurements are derived using inputs (assumptions that market participants would use in pricing an asset or liability) including assumptions about risk. GAAP categorizes inputs used in fair value measurements into three broad levels as follows: • (Level 1) Quoted prices in active markets for identical assets or liabilities. • (Level 2) Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets, similar assets and liabilities in markets that are not active or can be corroborated by observable market data. • (Level 3) Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. This includes valuation techniques that involve significant unobservable inputs. The carrying amounts and estimated fair values of our senior notes and interest rate swaps were as follows: March 31, 2017 December 31, 2016 Financial Instrument Fair Value Input Level Carrying Value Fair Value Carrying Value Fair Value (In thousands) Assets: Interest rate swaps Level 2 $ 154 $ 154 $ 91 $ 91 Liabilities: 6.5% Senior notes Level 2 $ — $ — $ 297,519 $ 308,250 6% Senior notes Level 2 393,565 422,288 393,393 415,500 $ 393,565 $ 422,288 $ 690,912 $ 723,750 Level 2 Financial Instruments Our senior notes and interest rate swaps are measured at fair value using Level 2 inputs. The fair value of the senior notes is based on market values provided by a third-party bank, which were derived using market quotes for similar type debt instruments. The fair value of our interest rate swaps is based on the net present value of expected future cash flows related to both variable and fixed-rate legs of the swap agreement. This measurement is computed using the forward London Interbank Offered Rate (“LIBOR”) yield curve, a market-based observable input. See Note 6 for additional information on these instruments.

Properties and Equipment

Properties and Equipment	3 Months Ended
	Mar. 31, 2017
Property, Plant and Equipment [Abstract]
Properties and Equipment	Properties and Equipment The carrying amounts of our properties and equipment are as follows: March 31, December 31, (In thousands) Pipelines, terminals and tankage $ 1,247,967 $ 1,246,746 Refinery assets 347,075 346,058 Land and right of way 65,331 65,331 Construction in progress 35,148 28,753 Other 27,662 27,133 1,723,183 1,714,021 Less accumulated depreciation 402,202 385,626 $ 1,320,981 $ 1,328,395 We capitalized $0.2 million and $0.1 million in interest attributable to construction projects during the three months ended March 31, 2017 and 2016 , respectively. Depreciation expense was $16.9 million and $14.7 million for the three months ended March 31, 2017 and 2016 , respectively, and includes depreciation of assets acquired under capital leases.

Transportation Agreements

Transportation Agreements	3 Months Ended
	Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Transportation Agreements	Transportation Agreements Our transportation agreements are intangible assets that represent a portion of the total purchase price of certain assets acquired from Alon in 2005 and from HFC in 2008 prior to HEP becoming a consolidated VIE of HFC. The Alon agreement is being amortized over 30 years ending 2035 (the initial 15 -year term of the agreement plus an expected 15 -year extension period), and the HFC agreement is being amortized over 15 years ending 2023 (the term of the HFC agreement). The carrying amounts of our transportation agreements are as follows: March 31, December 31, (In thousands) Alon transportation agreement $ 59,933 $ 59,933 HFC transportation agreement 74,231 74,231 Other 50 50 134,214 134,214 Less accumulated amortization 69,096 67,358 $ 65,118 $ 66,856 Amortization expense was $1.7 million for each of the three months ended March 31, 2017 and 2016 . We have additional transportation agreements with HFC resulting from historical transactions consisting of pipeline, terminal and tankage assets contributed to us or acquired from HFC. These transactions occurred while we were a consolidated VIE of HFC; therefore, our basis in these agreements is zero and does not reflect a step-up in basis to fair value.

Employees, Retirement and Incen

Employees, Retirement and Incentive Plans	3 Months Ended
	Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Employees, Retirement and Incentive Plans	Employees, Retirement and Incentive Plans Direct support for our operations is provided by Holly Logistic Services, L.L.C. (“HLS”), an HFC subsidiary, which utilizes personnel employed by HFC who are dedicated to performing services for us. Their costs, including salaries, bonuses, payroll taxes, benefits and other direct costs, are charged to us monthly in accordance with an omnibus agreement that we have with HFC. These employees participate in the retirement and benefit plans of HFC. Our share of retirement and benefit plan costs was $1.7 million and $1.6 million for the three months ended March 31, 2017 and 2016 , respectively. Under HLS’s secondment agreement with HFC (the “Secondment Agreement”), certain employees of HFC are seconded to HLS to provide operational and maintenance services for certain of our processing, refining, pipeline and tankage assets, and HLS reimburses HFC for its prorated portion of the wages, benefits, and other costs related to these employees. We have a Long-Term Incentive Plan for employees and non-employee directors who perform services for us. The Long-Term Incentive Plan consists of four components: restricted or phantom units, performance units, unit options and unit appreciation rights. Our accounting policy for the recognition of compensation expense for awards with pro-rata vesting (a significant proportion of our awards) is to expense the costs ratably over the vesting periods. As of March 31, 2017 , we have two types of incentive-based awards outstanding, which are described below. The compensation cost charged against income was $0.3 million and $0.7 million for the three months ended March 31, 2017 and 2016 , respectively. We currently purchase units in the open market instead of issuing new units for settlement of all unit awards under our Long-Term Incentive Plan. As of March 31, 2017 , 2,500,000 units were authorized to be granted under our Long-Term Incentive Plan, of which 1,409,261 have not yet been granted, assuming no forfeitures of the unvested units and full achievement of goals for the unvested performance units. Restricted Units Under our Long-Term Incentive Plan, we grant restricted units to non-employee directors and selected employees who perform services for us, with most awards vesting over a period of one to three years. Although full ownership of the units does not transfer to the recipients until the units vest, the recipients have distribution and voting rights on these units from the date of grant. The fair value of each restricted unit award is measured at the market price as of the date of grant and is amortized on a straight-line basis over the requisite service period for each separately vesting portion of the award. A summary of restricted unit activity and changes during the three months ended March 31, 2017 , is presented below: Restricted Units Units Weighted Average Grant-Date Fair Value Outstanding at January 1, 2017 (nonvested) 123,988 $ 32.96 Granted 20,348 36.01 Forfeited (17,653 ) 29.75 Outstanding at March 31, 2017 (nonvested) 126,683 $ 33.90 As of March 31, 2017 , there was $2.0 million of total unrecognized compensation expense related to nonvested restricted unit grants, which is expected to be recognized over a weighted-average period of 1.2 years. Performance Units Under our Long-Term Incentive Plan, we grant performance units to selected executives who perform services for us. Performance units granted are payable in common units at the end of a three-year performance period based upon the growth in our distributable cash flow per common unit over the performance period. As of March 31, 2017 , estimated unit payouts for outstanding nonvested performance unit awards ranged between 100% and 150% of the target number of performance units granted. We did not grant any performance units during the three months ended March 31, 2017 . Performance units granted in 2016 vest over a three-year performance period ending December 31, 2019, and are payable in HEP common units. The number of units actually earned will be based on the growth of our distributable cash flow per common unit over the performance period, and can range from 50% to 150% of the target number of performance units granted. Although common units are not transferred to the recipients until the performance units vest, the recipients have distribution rights with respect to the common units from the date of grant. A summary of performance unit activity and changes during the three months ended March 31, 2017 , is presented below: Performance Units Units Outstanding at January 1, 2017 (nonvested) 49,520 Vesting and transfer of common units to recipients (2,262 ) Forfeited (21,228 ) Outstanding at March 31, 2017 (nonvested) 26,030 The grant-date fair value of performance units vested and transferred to recipients during the three months ended March 31, 2017 , was $0.1 million . Based on the weighted average fair value of performance units outstanding at March 31, 2017 , of $0.9 million , there was $0.6 million of total unrecognized compensation expense related to nonvested performance units, which is expected to be recognized over a weighted-average period of 2.0 years.

Debt

Debt	3 Months Ended
	Mar. 31, 2017
Debt Instruments [Abstract]
Debt	Debt Credit Agreement We have a $1.2 billion senior secured revolving credit facility (the “Credit Agreement”) expiring in November 1, 2018 . The Credit Agreement is available to fund capital expenditures, investments, acquisitions, distribution payments and working capital and for general partnership purposes. It is also available to fund letters of credit up to a $50 million sub-limit. Our obligations under the Credit Agreement are collateralized by substantially all of our assets. Indebtedness under the Credit Agreement involves recourse to HEP Logistics Holdings, L.P. (“HEP Logistics”), our general partner, and is guaranteed by our material, wholly-owned subsidiaries. Any recourse to HEP Logistics would be limited to the extent of its assets, which other than its investment in us are not significant. We may prepay all loans at any time without penalty, except for payment of certain breakage and related costs. The Credit Agreement imposes certain requirements on us including: a prohibition against distribution to unitholders if, before or after the distribution, a potential default or an event of default as defined in the agreement would occur; limitations on our ability to incur debt, make loans, acquire other companies, change the nature of our business, enter into a merger or consolidation, or sell assets; and covenants that require maintenance of a specified EBITDA to interest expense ratio, total debt to EBITDA ratio and senior debt to EBITDA ratio. If an event of default exists under the Credit Agreement, the lenders will be able to accelerate the maturity of the debt and exercise other rights and remedies. We were in compliance with the covenants as of March 31, 2017 . Senior Notes On January 4, 2017, we redeemed the $300 million aggregate principal amount of 6.5% senior notes (the “6.5% Senior Notes”) at a redemption cost of $309.8 million at which time we recognized a $12.2 million early extinguishment loss consisting of a $9.8 million debt redemption premium and unamortized discount and financing costs of $2.4 million . We funded the redemption with borrowings under our Credit Agreement. On July 19, 2016, we closed a private placement of $400 million in aggregate principal amount of 6% senior unsecured notes due in 2024 (the “6% Senior Notes”). We used the net proceeds to repay indebtedness under our Credit Agreement. The 6% Senior Notes are unsecured and impose certain restrictive covenants, including limitations on our ability to incur additional indebtedness, make investments, sell assets, incur certain liens, pay distributions, enter into transactions with affiliates, and enter into mergers. We were in compliance with the restrictive covenants for the 6% Senior Notes as of March 31, 2017 . At any time when the 6% Senior Notes are rated investment grade by both Moody’s and Standard & Poor’s and no default or event of default exists, we will not be subject to many of the foregoing covenants. Additionally, we have certain redemption rights at varying premiums over face value under the 6% Senior Notes. Indebtedness under the 6% Senior Notes is guaranteed by our wholly-owned subsidiaries. Long-term Debt The carrying amounts of our long-term debt are as follows: March 31, December 31, (In thousands) Credit Agreement Amount outstanding $ 847,000 $ 553,000 6% Senior Notes Principal 400,000 400,000 Unamortized debt issuance costs (6,435 ) (6,607 ) 393,565 393,393 6.5% Senior Notes Principal — 300,000 Unamortized discount and debt issuance costs — (2,481 ) — 297,519 Total long-term debt $ 1,240,565 $ 1,243,912 Interest Rate Risk Management We use interest rate swaps (derivative instruments) to manage our exposure to interest rate risk. As of March 31, 2017 , we have two interest rate swaps with identical terms that hedge our exposure to the cash flow risk caused by the effects of LIBOR changes on $150 million of Credit Agreement advances. The swaps effectively convert $150 million of our LIBOR based debt to fixed rate debt having an interest rate of 0.74% plus an applicable margin of 2.25% as of March 31, 2017 , which equaled an effective interest rate of 2.99% . Both of these swap contracts mature in July 2017. We have designated these interest rate swaps as cash flow hedges. Based on our assessment of effectiveness using the change in variable cash flows method, we have determined these interest rate swaps are effective in offsetting the variability in interest payments on $150 million of our variable rate debt resulting from changes in LIBOR. Under hedge accounting, we adjust our cash flow hedges on a quarterly basis to their fair values with the offsetting fair value adjustments to accumulated other comprehensive income (loss). Also on a quarterly basis, we measure hedge effectiveness by comparing the present value of the cumulative change in the expected future interest to be paid or received on the variable leg of our swaps against the expected future interest payments on $150 million of our variable rate debt. Any ineffectiveness is recorded directly to interest expense. As of March 31, 2017 , we had no ineffectiveness on our cash flow hedges. At March 31, 2017 , we have accumulated other comprehensive income of $0.2 million that relates to our current cash flow hedging instruments. Approximately $0.2 million will be transferred from accumulated other comprehensive income into interest expense as interest is paid on the underlying swap agreement over the next twelve-month period, assuming interest rates remain unchanged. Additional information on our interest rate swaps is as follows: Derivative Instrument Balance Sheet Location Fair Value Location of Offsetting Balance Offsetting Amount (In thousands) March 31, 2017 Interest rate swaps designated as cash flow hedging instrument: Variable-to-fixed interest rate swap contracts ($150 million of LIBOR-based debt interest) Other current assets $ 154 Accumulated other comprehensive income $ 154 $ 154 $ 154 December 31, 2016 Interest rate swaps designated as cash flow hedging instrument: Variable-to-fixed interest rate swap contract ($150 million of LIBOR-based debt interest) Other current assets $ 91 Accumulated other $ 91 $ 91 $ 91 Interest Expense and Other Debt Information Interest expense consists of the following components: Three Months Ended March 31, 2017 2016 (In thousands) Interest on outstanding debt: Credit Agreement, net of interest on interest rate swaps $ 6,449 $ 5,006 6.5% Senior Notes 162 4,875 6% Senior Notes 6,000 — Amortization of discount and deferred debt issuance costs 770 593 Commitment fees and other 354 201 Total interest incurred 13,735 10,675 Less capitalized interest 196 140 Net interest expense $ 13,539 $ 10,535 Cash paid for interest $ 26,517 $ 14,841 Capital Lease Obligations Our capital lease obligations relate to vehicle leases with initial terms of 33 to 48 months. The total cost of assets under capital leases was $5.3 million and $4.9 million as of March 31, 2017 and December 31, 2016 , respectively, with accumulated depreciation of $2.9 million and $2.4 million as of March 31, 2017 and December 31, 2016 , respectively. We include depreciation of capital leases in depreciation and amortization in our consolidated statements of income.

Significant Customers

Significant Customers	3 Months Ended
	Mar. 31, 2017
Risks and Uncertainties [Abstract]
Significant Customers	Significant Customers All revenues are domestic revenues, of which 92% are currently generated from our two largest customers: HFC and Alon. The following table presents the percentage of total revenues generated by each of these customers: Three Months Ended March 31, 2017 2016 HFC 84 % 81 % Alon 8 % 8 %

Related Party Transactions

Related Party Transactions	3 Months Ended
	Mar. 31, 2017
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions We serve HFC’s refineries under long-term pipeline, terminal and tankage throughput agreements, and refinery processing unit tolling agreements expiring from 2019 to 2036. Under these agreements, HFC agrees to transport, store and process throughput volumes of refined product, crude oil and feedstocks on our pipelines, terminals, tankage, loading rack facilities and refinery processing units that result in minimum annual payments to us. These minimum annual payments or revenues are subject to annual rate adjustments on July 1st each year based on the Producer Price Index (“PPI”) or Federal Energy Regulatory Commission (“FERC”) index. As of March 31, 2017 , these agreements with HFC require minimum annualized payments to us of $321 million . If HFC fails to meet its minimum volume commitments under the agreements in any quarter, it will be required to pay us the amount of any shortfall in cash by the last day of the month following the end of the quarter. Under certain of these agreements, a shortfall payment may be applied as a credit in the following four quarters after its minimum obligations are met. Under certain provisions of an omnibus agreement we have with HFC (the “Omnibus Agreement”), we pay HFC an annual administrative fee (currently $2.5 million ) for the provision by HFC or its affiliates of various general and administrative services to us. This fee does not include the salaries of personnel employed by HFC who perform services for us on behalf of HLS or the cost of their employee benefits, which are charged to us separately by HFC. Also, we reimburse HFC and its affiliates for direct expenses they incur on our behalf. Related party transactions with HFC are as follows: • Revenues received from HFC were $89.0 million and $82.8 million for the three months ended March 31, 2017 and 2016 , respectively. • HFC charged us general and administrative services under the Omnibus Agreement of $0.6 million for each of the three months ended March 31, 2017 and 2016 . • We reimbursed HFC for costs of employees supporting our operations of $11.4 million and $9.8 million for the three months ended March 31, 2017 and 2016 , respectively. • HFC reimbursed us $1.3 million and $1.8 million for the three months ended March 31, 2017 and 2016 , respectively, for expense and capital projects. • We distributed $30.3 million and $24.5 million for the three months ended March 31, 2017 and 2016 , respectively, to HFC as regular distributions on its common units and general partner interest, including general partner incentive distributions. • Accounts receivable from HFC were $35.6 million and $42.6 million at March 31, 2017 , and December 31, 2016 , respectively. • Accounts payable to HFC were $6.5 million and $16.4 million at March 31, 2017 , and December 31, 2016 , respectively. • Revenues for the three months ended March 31, 2017 and 2016 , include $2.1 million and $5.2 million , respectively, of shortfall payments billed to HFC in 2016 and 2015, respectively. Deferred revenue in the consolidated balance sheets at March 31, 2017 and December 31, 2016 , includes $5.8 million and $5.6 million , respectively, relating to certain shortfall billings. It is possible that HFC may not exceed its minimum obligations to receive credit for any of the $5.8 million deferred at March 31, 2017 .

Partners' Equity

Partners' Equity	3 Months Ended
	Mar. 31, 2017
Partners' Capital [Abstract]
Partners' Equity	Partners’ Equity As of March 31, 2017 , HFC held 22,380,030 of our common units and the 2% general partner interest, which together constituted a 36% ownership interest in us. Additionally, HFC owned all incentive distribution rights. Continuous Offering Program We have a continuous offering program under which we may issue and sell common units from time to time, representing limited partner interests, up to an aggregate gross sales amount of $200 million . For the three months ended March 31, 2017 , HEP issued 1,142,358 units under this program, providing $40.3 million in gross proceeds. We incurred sales commissions of $0.8 million associated with the issuance of these units. In connection with this program and to maintain the 2% general partner interest, HFC made capital contributions totaling $0.8 million . As of March 31, 2017, HEP has issued 1,845,813 units under this program, providing $63.8 million in gross proceeds. We intend to use our net proceeds for general partnership purposes, which may include funding working capital, repayment of debt, acquisitions and capital expenditures. Amounts repaid under our credit facility may be reborrowed from time to time. Allocations of Net Income Net income attributable to HEP is allocated between limited partners and the general partner interest in accordance with the provisions of the partnership agreement. HEP net income allocated to the general partner includes incentive distributions that are declared subsequent to quarter end. After incentive distributions and other priority allocations are allocated to the general partner, the remaining net income attributable to HEP is allocated to the partners based on their weighted-average ownership percentage during the period. The following table presents the allocation of the general partner interest in net income for the periods presented below: Three Months Ended March 31, 2017 2016 (In thousands) General partner interest in net income $ 511 $ 630 General partner incentive distribution 16,627 11,473 Net loss attributable to Predecessor — (1,150 ) Total general partner interest in net income $ 17,138 $ 10,953 Cash Distributions Our general partner, HEP Logistics, is entitled to incentive distributions if the amount we distribute with respect to any quarter exceeds specified target levels. On April 27, 2017 , we announced our cash distribution for the first quarter of 2017 of $0.620 per unit. The distribution is payable on all common and general partner units and will be paid May 15, 2017 , to all unitholders of record on May 8, 2017 . The following table presents the allocation of our regular quarterly cash distributions to the general and limited partners for the periods in which they apply. Our distributions are declared subsequent to quarter end; therefore, the amounts presented do not reflect distributions paid during the periods presented below. Three Months Ended March 31, 2017 2016 (In thousands, except per unit data) General partner interest in distribution $ 1,148 $ 948 General partner incentive distribution 16,627 11,473 Total general partner distribution 17,775 12,421 Limited partner distribution 39,632 33,728 Total regular quarterly cash distribution $ 57,407 $ 46,149 Cash distribution per unit applicable to limited partners $ 0.6200 $ 0.5750 As a master limited partnership, we distribute our available cash, which historically has exceeded our net income attributable to HEP because depreciation and amortization expense represents a non-cash charge against income. The result is a decline in our partners’ equity since our regular quarterly distributions have exceeded our quarterly net income attributable to HEP. Additionally, if the asset contributions and acquisitions from HFC had occurred while we were not a consolidated variable interest entity of HFC, our acquisition cost, in excess of HFC’s historical basis in the transferred assets, would have been recorded in our financial statements at the time of acquisition as increases to our properties and equipment and intangible assets instead of decreases to our partners’ equity.

Net Income per Limited Partner

Net Income per Limited Partner Unit (Notes)	3 Months Ended
	Mar. 31, 2017
Net Income per Limited Partner Unit [Abstract]
Net Income Per Limited Partner Unit	Net Income Per Limited Partner Unit Net income per unit applicable to the limited partners is computed using the two-class method, because we have more than one class of participating securities. The classes of participating securities as of March 31, 2017 , included common units, general partner units and incentive distribution rights (IDRs). To the extent net income attributable to the partners exceeds or is less than cash distributions, this difference is allocated to the partners based on their weighted-average ownership percentage during the period, after consideration of any priority allocations of earnings. The dilutive securities are immaterial for all periods presented. When our financial statements are retrospectively adjusted after a dropdown transaction, the earnings of the acquired business, prior to the closing of the transaction, are allocated entirely to our general partner and presented as net income (loss) attributable to Predecessors. The earnings per unit of our limited partners prior to the close of the transaction do not change as a result of the dropdown. After the closing of a dropdown transaction, the earnings of the acquired business are allocated in accordance with our partnership agreement as previously described. For purposes of applying the two-class method including the allocation of cash distributions in excess of earnings, net income per limited partner unit is computed as follows: Three Months Ended March 31, 2017 2016 (In thousands) Net income attributable to the partners $ 25,563 $ 42,975 Less: General partner’s distribution declared (including IDRs) (17,775 ) (12,421 ) Limited partner’s distribution declared on common units (39,632 ) (33,728 ) Distributions in excess of net income attributable to the partners $ (31,844 ) $ (3,174 ) General Partner (including IDRs) Limited Partners’ Common Units Total (In thousands, except per unit data) Three Months Ended March 31, 2017 Net income attributable to the partners: Distributions declared $ 17,775 $ 39,632 $ 57,407 Distributions in excess of net income attributable to the partners (637 ) (31,207 ) (31,844 ) Net income attributable to the partners $ 17,138 $ 8,425 $ 25,563 Weighted average limited partners' units outstanding 63,113 Limited partners' per unit interest in earnings - basic and diluted $ 0.13 Three Months Ended March 31, 2016 Net income attributable to the partners: Distributions declared $ 12,421 $ 33,728 $ 46,149 Distributions in excess of net income attributable to the partners (63 ) (3,111 ) (3,174 ) Net income attributable to the partners $ 12,358 $ 30,617 $ 42,975 Weighted average limited partners' units outstanding 58,657 Limited partners' per unit interest in earnings - basic and diluted $ 0.52

Environmental

Environmental	3 Months Ended
	Mar. 31, 2017
Accrual for Environmental Loss Contingencies [Abstract]
Environmental	Environmental We incurred no expenses for the three months ended March 31, 2017 and 2016, for environmental remediation obligations. The accrued environmental liability, net of expected recoveries from indemnifying parties, reflected in our consolidated balance sheets was $6.9 million and $7.1 million at March 31, 2017 , and December 31, 2016 , respectively, of which $5.1 million and $5.4 million , respectively, were classified as other long-term liabilities. These accruals include remediation and monitoring costs expected to be incurred over an extended period of time. Under the Omnibus Agreement and certain transportation agreements and purchase agreements with HFC, HFC has agreed to indemnify us, subject to certain monetary and time limitations, for environmental noncompliance and remediation liabilities associated with certain assets transferred to us from HFC and occurring or existing prior to the date of such transfers. As of March 31, 2017 , and December 31, 2016 , our consolidated balance sheets included additional accrued environmental liabilities of $0.8 million and $0.9 million , respectively, for HFC indemnified liabilities, and other assets included equal and offsetting balances representing amounts due from HFC related to indemnifications for environmental remediation liabilities.

Contingencies

Contingencies	3 Months Ended
	Mar. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Contingencies We are a party to various legal and regulatory proceedings, none of which we believe will have a material adverse impact on our financial condition, results of operations or cash flows.

Segments (Notes)

Segments (Notes)	3 Months Ended
	Mar. 31, 2017
Segment Reporting [Abstract]
Segment Reporting Disclosure [Text Block]	Segments Although financial information is reviewed by our chief operating decision makers from a variety of perspectives, they view the business in two operating segments: pipelines and terminals, and refinery processing units. These operating segments adhere to the accounting polices used for our consolidated financial statements. The pipelines and terminals segment has been aggregated as both pipeline and terminals (1) have similar economic characteristics, (2) similarly provide logistics services of transportation and storage of petroleum products, (3) similarly support the petroleum refining business, including distribution of its products, (4) have principally the same customers and (5) are subject to similar regulatory requirements. We evaluate the performance of each segment based on its respective operating income. Certain general and administrative expenses and interest and financing costs are excluded from segment operating income as they are not directly attributable to a specific operating segment. Identifiable assets are those used by the segment, whereas other assets are principally equity method investments, cash, deposits and other assets that are not associated with a specific reportable operating segment. Three Months Ended March 31, 2017 2016 Revenues: Pipelines and terminals - affiliate $ 69,645 $ 78,339 Pipelines and terminals - third-party 16,609 19,164 Refinery processing units - affiliate 19,380 4,507 Total segment revenues $ 105,634 $ 102,010 Segment operating income: Pipelines and terminals $ 46,485 $ 57,248 Refinery processing units 7,883 356 Total segment operating income 54,368 57,604 Unallocated general and administrative expenses (2,634 ) (3,091 ) Interest and financing costs, net (25,662 ) (10,423 ) Equity in earnings of unconsolidated affiliates 1,840 2,765 Gain (loss) on sale of assets and other 73 (8 ) Income before income taxes $ 27,985 $ 46,847 Capital Expenditures: Pipelines and terminals $ 8,129 $ 17,873 Refinery processing units 136 24,311 Total capital expenditures $ 8,265 $ 42,184 March 31, 2017 December 31, 2016 (in thousands) Identifiable assets: Pipelines and terminals $ 1,356,168 $ 1,369,756 Refinery processing units 341,363 342,506 Other 172,604 171,975 Total identifiable assets $ 1,870,135 $ 1,884,237

Supplemental Guarantor _ Non-Gu

Supplemental Guarantor / Non-Guarantor Financial Information	3 Months Ended
	Mar. 31, 2017
Supplemental Guarantor / Non-Guarantor Financial Information [Abstract]
Supplemental Guarantor / Non-Guarantor Financial Information	Supplemental Guarantor/Non-Guarantor Financial Information Obligations of HEP (“Parent”) under the 6% Senior Notes have been jointly and severally guaranteed by each of its direct and indirect 100% owned subsidiaries (“Guarantor Subsidiaries”). These guarantees are full and unconditional, subject to certain customary release provisions. These circumstances include (i) when a Guarantor Subsidiary is sold or sells all or substantially all of its assets, (ii) when a Guarantor Subsidiary is declared “unrestricted” for covenant purposes, (iii) when a Guarantor Subsidiary’s guarantee of other indebtedness is terminated or released and (iv) when the requirements for legal defeasance or covenant defeasance or to discharge the senior notes have been satisfied. The following financial information presents condensed consolidating balance sheets, statements of comprehensive income, and statements of cash flows of the Parent, the Guarantor Subsidiaries and the Non-Guarantor Subsidiaries. The information has been presented as if the Parent accounted for its ownership in the Guarantor Subsidiaries, and the Guarantor Restricted Subsidiaries accounted for the ownership of the Non-Guarantor Non-Restricted Subsidiaries, using the equity method of accounting. In conjunction with the preparation of our Condensed Consolidating Balance Sheet and Statements of Comprehensive Income included below, we identified and corrected the presentation of noncontrolling interests presented in the eliminations column in prior periods to reflect such balances and activity within the respective guarantor and non-guarantor subsidiaries columns. Condensed Consolidating Balance Sheet March 31, 2017 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) ASSETS Current assets: Cash and cash equivalents $ 2 $ 1,278 $ 5,727 $ — $ 7,007 Accounts receivable — 42,055 4,063 (373 ) 45,745 Prepaid and other current assets 131 2,688 351 — 3,170 Total current assets 133 46,021 10,141 (373 ) 55,922 Properties and equipment, net — 952,758 368,223 — 1,320,981 Investment in subsidiaries 786,512 279,572 — (1,066,084 ) — Transportation agreements, net — 65,118 — — 65,118 Goodwill — 256,498 — — 256,498 Equity method investments — 162,319 — — 162,319 Other assets 725 8,572 — — 9,297 Total assets $ 787,370 $ 1,770,858 $ 378,364 $ (1,066,457 ) $ 1,870,135 LIABILITIES AND EQUITY Current liabilities: Accounts payable $ — $ 14,849 $ 3,464 $ (373 ) $ 17,940 Accrued interest 4,000 518 — — 4,518 Deferred revenue — 11,732 75 — 11,807 Accrued property taxes — 3,538 1,869 — 5,407 Other current liabilities 53 2,721 5 — 2,779 Total current liabilities 4,053 33,358 5,413 (373 ) 42,451 Long-term debt 393,505 847,060 — — 1,240,565 Other long-term liabilities 286 16,047 188 — 16,521 Deferred revenue — 46,881 — — 46,881 Class B unit — 41,000 — — 41,000 Equity - partners 389,526 786,512 279,572 (1,066,084 ) 389,526 Equity - noncontrolling interest — — 93,191 — 93,191 Total liabilities and equity $ 787,370 $ 1,770,858 $ 378,364 $ (1,066,457 ) $ 1,870,135 Condensed Consolidating Balance Sheet December 31, 2016 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) ASSETS Current assets: Cash and cash equivalents $ 2 $ 301 $ 3,354 $ — $ 3,657 Accounts receivable — 45,056 5,554 (202 ) 50,408 Prepaid and other current assets 11 2,633 244 — 2,888 Total current assets 13 47,990 9,152 (202 ) 56,953 Properties and equipment, net — 957,045 371,350 — 1,328,395 Investment in subsidiaries 1,086,008 280,671 — (1,366,679 ) — Transportation agreements, net — 66,856 — — 66,856 Goodwill — 256,498 — — 256,498 Equity method investments — 165,609 — — 165,609 Other assets 725 9,201 — — 9,926 Total assets $ 1,086,746 $ 1,783,870 $ 380,502 $ (1,366,881 ) $ 1,884,237 LIABILITIES AND EQUITY Current liabilities: Accounts payable $ — $ 24,245 $ 2,899 $ (202 ) $ 26,942 Accrued interest 17,300 769 — — 18,069 Deferred revenue — 8,797 2,305 — 11,102 Accrued property taxes — 4,514 883 — 5,397 Other current liabilities 14 3,208 3 — 3,225 Total current liabilities 17,314 41,533 6,090 (202 ) 64,735 Long-term debt 690,912 553,000 — — 1,243,912 Other long-term liabilities 286 15,975 184 — 16,445 Deferred revenue — 47,035 — — 47,035 Class B unit — 40,319 — — 40,319 Equity - partners 378,234 1,086,008 280,671 (1,366,679 ) 378,234 Equity - noncontrolling interest — — 93,557 — 93,557 Total liabilities and equity $ 1,086,746 $ 1,783,870 $ 380,502 $ (1,366,881 ) $ 1,884,237 Condensed Consolidating Statement of Comprehensive Income Three Months Ended March 31, 2017 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-restricted Subsidiaries Eliminations Consolidated (In thousands) Revenues: Affiliates $ — $ 80,776 $ 8,249 $ — $ 89,025 Third parties — 11,003 5,606 — 16,609 — 91,779 13,855 — 105,634 Operating costs and expenses: Operations (exclusive of depreciation and amortization) — 29,092 3,397 — 32,489 Depreciation and amortization 14,853 3,924 — 18,777 General and administrative 1,155 1,479 — — 2,634 1,155 45,424 7,321 — 53,900 Operating income (loss) (1,155 ) 46,355 6,534 — 51,734 Other income (expense): Equity in earnings of subsidiaries 45,283 4,901 — (50,184 ) — Equity in earnings of equity method investments — 1,840 — — 1,840 Interest expense (6,340 ) (7,199 ) — — (13,539 ) Interest income — 102 — — 102 Loss on early extinguishment of debt (12,225 ) — — — (12,225 ) Gain on sale of assets and other — 72 1 — 73 26,718 (284 ) 1 (50,184 ) (23,749 ) Income (loss) before income taxes 25,563 46,071 6,535 (50,184 ) 27,985 State income tax expense — (106 ) — — (106 ) Net income 25,563 45,965 6,535 (50,184 ) 27,879 Allocation of net income attributable to noncontrolling interests — (682 ) (1,634 ) — (2,316 ) Net income attributable to Holly Energy Partners 25,563 45,283 4,901 (50,184 ) 25,563 Other comprehensive income 63 63 — (63 ) 63 Comprehensive income attributable to Holly Energy Partners $ 25,626 $ 45,346 $ 4,901 $ (50,247 ) $ 25,626 Condensed Consolidating Statement of Comprehensive Income Three Months Ended March 31, 2016 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) Revenues: Affiliates $ — $ 72,252 $ 10,594 $ — $ 82,846 Third parties — 10,732 8,432 — 19,164 — 82,984 19,026 — 102,010 Operating costs and expenses: Operations (exclusive of depreciation and amortization) — 24,824 3,031 — 27,855 Depreciation and amortization — 12,793 3,758 — 16,551 General and administrative 1,165 1,926 — — 3,091 1,165 39,543 6,789 — 47,497 Operating income (loss) (1,165 ) 43,441 12,237 — 54,513 Other income (expense): Equity in earnings of subsidiaries 48,990 9,184 — (58,174 ) — Equity in earnings of equity method investments — 2,765 — — 2,765 Interest expense (5,067 ) (5,468 ) — — (10,535 ) Interest income — 105 7 — 112 Gain (loss) on sale of assets and other — (9 ) 1 — (8 ) 43,923 6,577 8 (58,174 ) (7,666 ) Income before income taxes 42,758 50,018 12,245 (58,174 ) 46,847 State income tax expense — (95 ) — — (95 ) Net income 42,758 49,923 12,245 (58,174 ) 46,752 Allocation of net loss to Predecessor — 1,150 — — 1,150 Allocation of net income attributable to noncontrolling interests — (1,866 ) (3,061 ) — (4,927 ) Net income attributable to Holly Energy Partners 42,758 49,207 9,184 (58,174 ) 42,975 Other comprehensive (loss) (453 ) (453 ) — 453 (453 ) Comprehensive income attributable to Holly Energy Partners $ 42,305 $ 48,754 $ 9,184 $ (57,721 ) $ 42,522 (1) Retrospectively adjusted as described in Note 1. Condensed Consolidating Statement of Cash Flows Three Months Ended March 31, 2017 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) Cash flows from operating activities $ (20,297 ) $ 58,062 $ 10,736 $ (4,901 ) $ 43,600 Cash flows from investing activities Additions to properties and equipment — (7,902 ) (363 ) — (8,265 ) Distributions from UNEV in excess of earnings — 1,099 — (1,099 ) — Proceeds from sale of assets — 424 — — 424 Distributions in excess of equity in earnings of equity investments — 3,016 — — 3,016 — (3,363 ) (363 ) (1,099 ) (4,825 ) Cash flows from financing activities Net borrowings under credit agreement — 294,000 — — 294,000 Net intercompany financing activities 344,781 (344,781 ) — — — Proceeds from issuance of common units 39,371 (1,808 ) — — 37,563 Contribution from general partner 805 (805 ) — — — Redemption of senior notes (309,750 ) — — — (309,750 ) Distributions to HEP unitholders (54,807 ) 2 — — (54,805 ) Distribution to HFC for El Dorado tanks (103 ) — — — (103 ) Distributions to noncontrolling interests — — (8,000 ) 6,000 (2,000 ) Other — (330 ) — — (330 ) 20,297 (53,722 ) (8,000 ) 6,000 (35,425 ) Cash and cash equivalents Increase for the period — 977 2,373 — 3,350 Beginning of period 2 301 3,354 — 3,657 End of period $ 2 $ 1,278 $ 5,727 $ — $ 7,007 Condensed Consolidating Statement of Cash Flows Three Months Ended March 31, 2016 (1) Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) Cash flows from operating activities $ (10,084 ) $ 47,779 $ 13,424 $ (3,750 ) $ 47,369 Cash flows from investing activities Additions to properties and equipment — (7,919 ) (9,954 ) — (17,873 ) Purchase of Woods Cross refinery processing units — (24,311 ) — — (24,311 ) Proceeds from sale of assets — 12 — — 12 Distributions in excess of equity in earnings of equity investments — 99 — — 99 — (32,119 ) (9,954 ) — (42,073 ) Cash flows from financing activities Net repayments under credit agreement — 53,000 — — 53,000 Net intercompany financing activities 53,751 (53,751 ) — — — Contributions from general partner for Osage 32,455 (32,455 ) — — — Distributions to HFC for Tulsa Tank acquisition (30,378 ) (9,122 ) — — (39,500 ) Distributions to HEP unitholders (44,960 ) — — — (44,960 ) Contribution from HFC for acquisitions — 25,343 — — 25,343 Distributions to noncontrolling interests — — (5,000 ) 3,750 (1,250 ) Purchase of units for incentive grants (784 ) — — — (784 ) Deferred financing costs — (2,964 ) — — (2,964 ) Other — (160 ) — — (160 ) 10,084 (20,109 ) (5,000 ) 3,750 (11,275 ) Cash and cash equivalents Decrease for the period — (4,449 ) (1,530 ) — (5,979 ) Beginning of period 2 5,452 9,559 — 15,013 End of period $ 2 $ 1,003 $ 8,029 $ — $ 9,034 (1) Retrospectively adjusted as described in Note 1.

Description of Business and P22

Description of Business and Presentation of Financial Statements Accounting Policy Descriptions (Policies)	3 Months Ended
	Mar. 31, 2017
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	Principles of Consolidation and Common Control Transactions The consolidated financial statements include our accounts, our Predecessor's (defined below) and those of subsidiaries and joint ventures that we control. All significant intercompany transactions and balances have been eliminated. Most of our acquisitions from HFC occurred while we were a consolidated variable interest entity (“VIE”) of HFC. Therefore, as an entity under common control with HFC, we recorded these acquisitions on our balance sheets at HFC's historical basis instead of our purchase price or fair value. U.S. generally accepted accounting principles ("GAAP") require transfers of a business between entities under common control to be accounted for as though the transfer occurred as of the beginning of the period of transfer, and prior period financial statements and financial information are retrospectively adjusted to include the historical results and assets of the acquisitions from HFC for all periods presented prior to the effective dates of each acquisition. We refer to the historical results of the acquisitions prior to their respective acquisition dates as those of our "Predecessor." Many of these transactions are cash purchases and do not involve the issuance of equity; however, GAAP requires the retrospective adjustment of financial statements. Therefore, in such transactions, the prior year balance sheet includes as equity the amount of cost incurred by HFC to that date. See Acquisitions below for further discussion as well as effects of the retrospective adjustments.
New Accounting Pronouncements, Policy [Policy Text Block]	Accounting Pronouncements Adopted During the Periods Presented Earnings Per Unit In April 2015, an accounting standard update was issued requiring changes to the allocation of the earnings or losses of a transferred business for periods before the date of a dropdown of net assets accounted for as a common control transaction entirely to the general partner for purposes of calculating historical earnings per unit. We adopted this standard as of January 1, 2016. In connection with the dropdown of assets from HFC’s Tulsa refinery on March 31, 2016, and the purchase of HFC’s Woods Cross refinery units on October 1, 2016, we reduced net income by $0.2 million and $0.9 million , respectively, for the three months ended March 31, 2016 . This reduction had no impact on the historical earnings per limited partner unit. Share-Based Compensation In March 2016, an accounting standard update was issued which simplifies the accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures and statutory tax withholding requirements, as well as classification in the statement of cash flows. We adopted this standard effective January 1, 2017, with no impact to our financial condition, results of operations and cash flows. As permitted by the standard, we continue to account for forfeitures on an estimated basis. Accounting Pronouncements Not Yet Adopted Revenue Recognition In May 2014, an accounting standard update was issued requiring revenue to be recognized when promised goods or services are transferred to customers in an amount that reflects the expected consideration for these goods or services. This standard has an effective date of January 1, 2018, and we intend to account for the new guidance using the modified retrospective implementation method, whereby a cumulative effect adjustment is recorded to retained earnings as of the date of initial application. Our preparation for adoption of this standard is in progress, and we are currently evaluating terms, conditions and our performance obligations of our existing contracts with customers. We are evaluating the effect of this standard on our revenue recognition policies and whether it will have a material impact on our financial condition or results of operations. Business Combinations In December 2014, an accounting standard update was issued to provide new guidance on the definition of a business in relation to accounting for identifiable intangible assets in business combinations. This standard has an effective date of January 1, 2018, and we are evaluating its impact. Financial Assets and Liabilities In January 2016, an accounting standard update was issued requiring changes in the accounting and disclosures for financial instruments. This standard will become effective beginning with our 2018 reporting year. We are evaluating the impact of this standard. Leases In February 2016, an accounting standard update was issued requiring leases to be measured and recognized as a lease liability, with a corresponding right-of-use asset on the balance sheet. This standard has an effective date of January 1, 2019, and we are evaluating the impact of this standard.

Description of Business and P23

Description of Business and Presentation of Financial Statements Subsequent Event (Tables)	3 Months Ended
	Mar. 31, 2017
Business Acquisition [Line Items]
Schedule of Business Acquisitions, by Acquisition [Table Text Block]	The following table presents lines in our previously reported income statement for the three months ended March 31, 2016, that were impacted by Predecessor transactions, and retrospectively adjusts only the acquisition of Woods Cross Operating as the Tulsa Tanks acquisition included Predecessor transactions in the previously reported income statement for the three months ended March 31, 2016. However, the presentation of the Tulsa Tanks’ Predecessor transactions have been modified as shown in the table below. Three Months Ended March 31, 2016 Holly Energy Partners, L.P. (Previously reported) Tulsa Tanks Woods Cross Operating Holly Energy Partners, L.P. (Currently reported) (In Thousands) Operating costs and expenses: Operations (exclusive of depreciation and amortization) $ 26,922 $ — $ 933 $ 27,855 Allocation of net loss attributable to predecessor — 217 933 1,150 The following table presents lines in our previously reported cash flows for the three months ended March 31, 2016, that were impacted by Predecessor transactions, and retrospectively adjusts only the acquisition of Woods Cross Operating as the Tulsa Tanks acquisition included Predecessor transactions in the previously reported cash flows for the three months ended March 31, 2016. Three Months Ended March 31, 2016 Holly Energy Partners, L.P. (Previously reported) Woods Cross Operating Holly Energy Partners, L.P. (Currently reported) Cash flows from operating activities (In Thousands) Net income $ 47,685 $ (933 ) $ 46,752 Net cash provided by operating activities $ 48,302 $ (933 ) $ 47,369 Cash flows from investing activities Additions to properties and equipment $ (17,873 ) $ — $ (17,873 ) Acquisition of tanks and operating units — (24,311 ) (24,311 ) Net cash used for investing activities $ (17,762 ) $ (24,311 ) $ (42,073 ) Cash flows from financing activities Contributions from HFC for acquisitions $ 99 $ 25,244 $ 25,343 Net cash provided (used) by financing activities $ (36,519 ) $ 25,244 $ (11,275 )

Financial Instruments (Tables)

Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2017
Fair Value Disclosures [Abstract]
Schedule of Fair Value, Financial Instruments Measured on Recurring Basis	The carrying amounts and estimated fair values of our senior notes and interest rate swaps were as follows: March 31, 2017 December 31, 2016 Financial Instrument Fair Value Input Level Carrying Value Fair Value Carrying Value Fair Value (In thousands) Assets: Interest rate swaps Level 2 $ 154 $ 154 $ 91 $ 91 Liabilities: 6.5% Senior notes Level 2 $ — $ — $ 297,519 $ 308,250 6% Senior notes Level 2 393,565 422,288 393,393 415,500 $ 393,565 $ 422,288 $ 690,912 $ 723,750

Properties and Equipment (Table

Properties and Equipment (Tables)	3 Months Ended
	Mar. 31, 2017
Property, Plant and Equipment [Abstract]
Properties and Equipment	The carrying amounts of our properties and equipment are as follows: March 31, December 31, (In thousands) Pipelines, terminals and tankage $ 1,247,967 $ 1,246,746 Refinery assets 347,075 346,058 Land and right of way 65,331 65,331 Construction in progress 35,148 28,753 Other 27,662 27,133 1,723,183 1,714,021 Less accumulated depreciation 402,202 385,626 $ 1,320,981 $ 1,328,395

Transportation Agreements (Tabl

Transportation Agreements (Tables)	3 Months Ended
	Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Finite-Lived Intangible Assets by Major Class	The carrying amounts of our transportation agreements are as follows: March 31, December 31, (In thousands) Alon transportation agreement $ 59,933 $ 59,933 HFC transportation agreement 74,231 74,231 Other 50 50 134,214 134,214 Less accumulated amortization 69,096 67,358 $ 65,118 $ 66,856

Employees, Retirement and Inc27

Employees, Retirement and Incentive Plans (Tables)	3 Months Ended
	Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Nonvested Restricted Stock Units Activity	A summary of restricted unit activity and changes during the three months ended March 31, 2017 , is presented below: Restricted Units Units Weighted Average Grant-Date Fair Value Outstanding at January 1, 2017 (nonvested) 123,988 $ 32.96 Granted 20,348 36.01 Forfeited (17,653 ) 29.75 Outstanding at March 31, 2017 (nonvested) 126,683 $ 33.90
Schedule of Nonvested Performance-based Units Activity	A summary of performance unit activity and changes during the three months ended March 31, 2017 , is presented below: Performance Units Units Outstanding at January 1, 2017 (nonvested) 49,520 Vesting and transfer of common units to recipients (2,262 ) Forfeited (21,228 ) Outstanding at March 31, 2017 (nonvested) 26,030

Debt (Tables)

Debt (Tables)	3 Months Ended
	Mar. 31, 2017
Debt Instruments [Abstract]
Schedule of Long-term Debt Instruments	The carrying amounts of our long-term debt are as follows: March 31, December 31, (In thousands) Credit Agreement Amount outstanding $ 847,000 $ 553,000 6% Senior Notes Principal 400,000 400,000 Unamortized debt issuance costs (6,435 ) (6,607 ) 393,565 393,393 6.5% Senior Notes Principal — 300,000 Unamortized discount and debt issuance costs — (2,481 ) — 297,519 Total long-term debt $ 1,240,565 $ 1,243,912
Schedule of Derivative Instruments	Additional information on our interest rate swaps is as follows: Derivative Instrument Balance Sheet Location Fair Value Location of Offsetting Balance Offsetting Amount (In thousands) March 31, 2017 Interest rate swaps designated as cash flow hedging instrument: Variable-to-fixed interest rate swap contracts ($150 million of LIBOR-based debt interest) Other current assets $ 154 Accumulated other comprehensive income $ 154 $ 154 $ 154 December 31, 2016 Interest rate swaps designated as cash flow hedging instrument: Variable-to-fixed interest rate swap contract ($150 million of LIBOR-based debt interest) Other current assets $ 91 Accumulated other $ 91 $ 91 $ 91
Schedule of Interest Expense and Other Debt Information	Interest expense consists of the following components: Three Months Ended March 31, 2017 2016 (In thousands) Interest on outstanding debt: Credit Agreement, net of interest on interest rate swaps $ 6,449 $ 5,006 6.5% Senior Notes 162 4,875 6% Senior Notes 6,000 — Amortization of discount and deferred debt issuance costs 770 593 Commitment fees and other 354 201 Total interest incurred 13,735 10,675 Less capitalized interest 196 140 Net interest expense $ 13,539 $ 10,535 Cash paid for interest $ 26,517 $ 14,841

Significant Customers (Tables)

Significant Customers (Tables)	3 Months Ended
	Mar. 31, 2017
Risks and Uncertainties [Abstract]
Schedules of Concentration of Risk, by Risk Factor	The following table presents the percentage of total revenues generated by each of these customers: Three Months Ended March 31, 2017 2016 HFC 84 % 81 % Alon 8 % 8 %

Partners' Equity (Tables)

Partners' Equity (Tables)	3 Months Ended
	Mar. 31, 2017
Partners' Capital [Abstract]
Schedule of Allocation of General Partner Interest in Net Income	The following table presents the allocation of the general partner interest in net income for the periods presented below: Three Months Ended March 31, 2017 2016 (In thousands) General partner interest in net income $ 511 $ 630 General partner incentive distribution 16,627 11,473 Net loss attributable to Predecessor — (1,150 ) Total general partner interest in net income $ 17,138 $ 10,953 For purposes of applying the two-class method including the allocation of cash distributions in excess of earnings, net income per limited partner unit is computed as follows: Three Months Ended March 31, 2017 2016 (In thousands) Net income attributable to the partners $ 25,563 $ 42,975 Less: General partner’s distribution declared (including IDRs) (17,775 ) (12,421 ) Limited partner’s distribution declared on common units (39,632 ) (33,728 ) Distributions in excess of net income attributable to the partners $ (31,844 ) $ (3,174 )
Schedule of Distributions Made to Members or Limited Partners	The following table presents the allocation of our regular quarterly cash distributions to the general and limited partners for the periods in which they apply. Our distributions are declared subsequent to quarter end; therefore, the amounts presented do not reflect distributions paid during the periods presented below. Three Months Ended March 31, 2017 2016 (In thousands, except per unit data) General partner interest in distribution $ 1,148 $ 948 General partner incentive distribution 16,627 11,473 Total general partner distribution 17,775 12,421 Limited partner distribution 39,632 33,728 Total regular quarterly cash distribution $ 57,407 $ 46,149 Cash distribution per unit applicable to limited partners $ 0.6200 $ 0.5750

Net Income per Limited Partne31

Net Income per Limited Partner Unit (Tables)	3 Months Ended
	Mar. 31, 2017
Net Income per Limited Partner Unit [Abstract]
Schedule of Allocation of General Partner Interest in Net Income [Table Text Block]	The following table presents the allocation of the general partner interest in net income for the periods presented below: Three Months Ended March 31, 2017 2016 (In thousands) General partner interest in net income $ 511 $ 630 General partner incentive distribution 16,627 11,473 Net loss attributable to Predecessor — (1,150 ) Total general partner interest in net income $ 17,138 $ 10,953 For purposes of applying the two-class method including the allocation of cash distributions in excess of earnings, net income per limited partner unit is computed as follows: Three Months Ended March 31, 2017 2016 (In thousands) Net income attributable to the partners $ 25,563 $ 42,975 Less: General partner’s distribution declared (including IDRs) (17,775 ) (12,421 ) Limited partner’s distribution declared on common units (39,632 ) (33,728 ) Distributions in excess of net income attributable to the partners $ (31,844 ) $ (3,174 )
Earnings per Unit by Type of Partner [Table Text Block]	General Partner (including IDRs) Limited Partners’ Common Units Total (In thousands, except per unit data) Three Months Ended March 31, 2017 Net income attributable to the partners: Distributions declared $ 17,775 $ 39,632 $ 57,407 Distributions in excess of net income attributable to the partners (637 ) (31,207 ) (31,844 ) Net income attributable to the partners $ 17,138 $ 8,425 $ 25,563 Weighted average limited partners' units outstanding 63,113 Limited partners' per unit interest in earnings - basic and diluted $ 0.13 Three Months Ended March 31, 2016 Net income attributable to the partners: Distributions declared $ 12,421 $ 33,728 $ 46,149 Distributions in excess of net income attributable to the partners (63 ) (3,111 ) (3,174 ) Net income attributable to the partners $ 12,358 $ 30,617 $ 42,975 Weighted average limited partners' units outstanding 58,657 Limited partners' per unit interest in earnings - basic and diluted $ 0.52

Segments Segment disclosure (Ta

Segments Segment disclosure (Tables)	3 Months Ended
	Mar. 31, 2017
Segment Reporting Information [Line Items]
Segment Reporting Disclosure [Text Block]	Segments Although financial information is reviewed by our chief operating decision makers from a variety of perspectives, they view the business in two operating segments: pipelines and terminals, and refinery processing units. These operating segments adhere to the accounting polices used for our consolidated financial statements. The pipelines and terminals segment has been aggregated as both pipeline and terminals (1) have similar economic characteristics, (2) similarly provide logistics services of transportation and storage of petroleum products, (3) similarly support the petroleum refining business, including distribution of its products, (4) have principally the same customers and (5) are subject to similar regulatory requirements. We evaluate the performance of each segment based on its respective operating income. Certain general and administrative expenses and interest and financing costs are excluded from segment operating income as they are not directly attributable to a specific operating segment. Identifiable assets are those used by the segment, whereas other assets are principally equity method investments, cash, deposits and other assets that are not associated with a specific reportable operating segment. Three Months Ended March 31, 2017 2016 Revenues: Pipelines and terminals - affiliate $ 69,645 $ 78,339 Pipelines and terminals - third-party 16,609 19,164 Refinery processing units - affiliate 19,380 4,507 Total segment revenues $ 105,634 $ 102,010 Segment operating income: Pipelines and terminals $ 46,485 $ 57,248 Refinery processing units 7,883 356 Total segment operating income 54,368 57,604 Unallocated general and administrative expenses (2,634 ) (3,091 ) Interest and financing costs, net (25,662 ) (10,423 ) Equity in earnings of unconsolidated affiliates 1,840 2,765 Gain (loss) on sale of assets and other 73 (8 ) Income before income taxes $ 27,985 $ 46,847 Capital Expenditures: Pipelines and terminals $ 8,129 $ 17,873 Refinery processing units 136 24,311 Total capital expenditures $ 8,265 $ 42,184 March 31, 2017 December 31, 2016 (in thousands) Identifiable assets: Pipelines and terminals $ 1,356,168 $ 1,369,756 Refinery processing units 341,363 342,506 Other 172,604 171,975 Total identifiable assets $ 1,870,135 $ 1,884,237
Schedule of Segment Reporting Information, by Segment [Table Text Block]	We evaluate the performance of each segment based on its respective operating income. Certain general and administrative expenses and interest and financing costs are excluded from segment operating income as they are not directly attributable to a specific operating segment. Identifiable assets are those used by the segment, whereas other assets are principally equity method investments, cash, deposits and other assets that are not associated with a specific reportable operating segment. Three Months Ended March 31, 2017 2016 Revenues: Pipelines and terminals - affiliate $ 69,645 $ 78,339 Pipelines and terminals - third-party 16,609 19,164 Refinery processing units - affiliate 19,380 4,507 Total segment revenues $ 105,634 $ 102,010 Segment operating income: Pipelines and terminals $ 46,485 $ 57,248 Refinery processing units 7,883 356 Total segment operating income 54,368 57,604 Unallocated general and administrative expenses (2,634 ) (3,091 ) Interest and financing costs, net (25,662 ) (10,423 ) Equity in earnings of unconsolidated affiliates 1,840 2,765 Gain (loss) on sale of assets and other 73 (8 ) Income before income taxes $ 27,985 $ 46,847 Capital Expenditures: Pipelines and terminals $ 8,129 $ 17,873 Refinery processing units 136 24,311 Total capital expenditures $ 8,265 $ 42,184 March 31, 2017 December 31, 2016 (in thousands) Identifiable assets: Pipelines and terminals $ 1,356,168 $ 1,369,756 Refinery processing units 341,363 342,506 Other 172,604 171,975 Total identifiable assets $ 1,870,135 $ 1,884,237

Supplemental Guarantor _ Non-33

Supplemental Guarantor / Non-Guarantor Financial Information (Tables)	3 Months Ended
	Mar. 31, 2017
Supplemental Guarantor / Non-Guarantor Financial Information [Abstract]
Condensed Consolidating Balance Sheet	Condensed Consolidating Balance Sheet March 31, 2017 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) ASSETS Current assets: Cash and cash equivalents $ 2 $ 1,278 $ 5,727 $ — $ 7,007 Accounts receivable — 42,055 4,063 (373 ) 45,745 Prepaid and other current assets 131 2,688 351 — 3,170 Total current assets 133 46,021 10,141 (373 ) 55,922 Properties and equipment, net — 952,758 368,223 — 1,320,981 Investment in subsidiaries 786,512 279,572 — (1,066,084 ) — Transportation agreements, net — 65,118 — — 65,118 Goodwill — 256,498 — — 256,498 Equity method investments — 162,319 — — 162,319 Other assets 725 8,572 — — 9,297 Total assets $ 787,370 $ 1,770,858 $ 378,364 $ (1,066,457 ) $ 1,870,135 LIABILITIES AND EQUITY Current liabilities: Accounts payable $ — $ 14,849 $ 3,464 $ (373 ) $ 17,940 Accrued interest 4,000 518 — — 4,518 Deferred revenue — 11,732 75 — 11,807 Accrued property taxes — 3,538 1,869 — 5,407 Other current liabilities 53 2,721 5 — 2,779 Total current liabilities 4,053 33,358 5,413 (373 ) 42,451 Long-term debt 393,505 847,060 — — 1,240,565 Other long-term liabilities 286 16,047 188 — 16,521 Deferred revenue — 46,881 — — 46,881 Class B unit — 41,000 — — 41,000 Equity - partners 389,526 786,512 279,572 (1,066,084 ) 389,526 Equity - noncontrolling interest — — 93,191 — 93,191 Total liabilities and equity $ 787,370 $ 1,770,858 $ 378,364 $ (1,066,457 ) $ 1,870,135 Condensed Consolidating Balance Sheet December 31, 2016 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) ASSETS Current assets: Cash and cash equivalents $ 2 $ 301 $ 3,354 $ — $ 3,657 Accounts receivable — 45,056 5,554 (202 ) 50,408 Prepaid and other current assets 11 2,633 244 — 2,888 Total current assets 13 47,990 9,152 (202 ) 56,953 Properties and equipment, net — 957,045 371,350 — 1,328,395 Investment in subsidiaries 1,086,008 280,671 — (1,366,679 ) — Transportation agreements, net — 66,856 — — 66,856 Goodwill — 256,498 — — 256,498 Equity method investments — 165,609 — — 165,609 Other assets 725 9,201 — — 9,926 Total assets $ 1,086,746 $ 1,783,870 $ 380,502 $ (1,366,881 ) $ 1,884,237 LIABILITIES AND EQUITY Current liabilities: Accounts payable $ — $ 24,245 $ 2,899 $ (202 ) $ 26,942 Accrued interest 17,300 769 — — 18,069 Deferred revenue — 8,797 2,305 — 11,102 Accrued property taxes — 4,514 883 — 5,397 Other current liabilities 14 3,208 3 — 3,225 Total current liabilities 17,314 41,533 6,090 (202 ) 64,735 Long-term debt 690,912 553,000 — — 1,243,912 Other long-term liabilities 286 15,975 184 — 16,445 Deferred revenue — 47,035 — — 47,035 Class B unit — 40,319 — — 40,319 Equity - partners 378,234 1,086,008 280,671 (1,366,679 ) 378,234 Equity - noncontrolling interest — — 93,557 — 93,557 Total liabilities and equity $ 1,086,746 $ 1,783,870 $ 380,502 $ (1,366,881 ) $ 1,884,237
Condensed Consolidating Statement of Comprehensive Income	Condensed Consolidating Statement of Comprehensive Income Three Months Ended March 31, 2017 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-restricted Subsidiaries Eliminations Consolidated (In thousands) Revenues: Affiliates $ — $ 80,776 $ 8,249 $ — $ 89,025 Third parties — 11,003 5,606 — 16,609 — 91,779 13,855 — 105,634 Operating costs and expenses: Operations (exclusive of depreciation and amortization) — 29,092 3,397 — 32,489 Depreciation and amortization 14,853 3,924 — 18,777 General and administrative 1,155 1,479 — — 2,634 1,155 45,424 7,321 — 53,900 Operating income (loss) (1,155 ) 46,355 6,534 — 51,734 Other income (expense): Equity in earnings of subsidiaries 45,283 4,901 — (50,184 ) — Equity in earnings of equity method investments — 1,840 — — 1,840 Interest expense (6,340 ) (7,199 ) — — (13,539 ) Interest income — 102 — — 102 Loss on early extinguishment of debt (12,225 ) — — — (12,225 ) Gain on sale of assets and other — 72 1 — 73 26,718 (284 ) 1 (50,184 ) (23,749 ) Income (loss) before income taxes 25,563 46,071 6,535 (50,184 ) 27,985 State income tax expense — (106 ) — — (106 ) Net income 25,563 45,965 6,535 (50,184 ) 27,879 Allocation of net income attributable to noncontrolling interests — (682 ) (1,634 ) — (2,316 ) Net income attributable to Holly Energy Partners 25,563 45,283 4,901 (50,184 ) 25,563 Other comprehensive income 63 63 — (63 ) 63 Comprehensive income attributable to Holly Energy Partners $ 25,626 $ 45,346 $ 4,901 $ (50,247 ) $ 25,626 Condensed Consolidating Statement of Comprehensive Income Three Months Ended March 31, 2016 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) Revenues: Affiliates $ — $ 72,252 $ 10,594 $ — $ 82,846 Third parties — 10,732 8,432 — 19,164 — 82,984 19,026 — 102,010 Operating costs and expenses: Operations (exclusive of depreciation and amortization) — 24,824 3,031 — 27,855 Depreciation and amortization — 12,793 3,758 — 16,551 General and administrative 1,165 1,926 — — 3,091 1,165 39,543 6,789 — 47,497 Operating income (loss) (1,165 ) 43,441 12,237 — 54,513 Other income (expense): Equity in earnings of subsidiaries 48,990 9,184 — (58,174 ) — Equity in earnings of equity method investments — 2,765 — — 2,765 Interest expense (5,067 ) (5,468 ) — — (10,535 ) Interest income — 105 7 — 112 Gain (loss) on sale of assets and other — (9 ) 1 — (8 ) 43,923 6,577 8 (58,174 ) (7,666 ) Income before income taxes 42,758 50,018 12,245 (58,174 ) 46,847 State income tax expense — (95 ) — — (95 ) Net income 42,758 49,923 12,245 (58,174 ) 46,752 Allocation of net loss to Predecessor — 1,150 — — 1,150 Allocation of net income attributable to noncontrolling interests — (1,866 ) (3,061 ) — (4,927 ) Net income attributable to Holly Energy Partners 42,758 49,207 9,184 (58,174 ) 42,975 Other comprehensive (loss) (453 ) (453 ) — 453 (453 ) Comprehensive income attributable to Holly Energy Partners $ 42,305 $ 48,754 $ 9,184 $ (57,721 ) $ 42,522 (1) Retrospectively adjusted as described in Note 1.
Condensed Consolidating Statement of Cash Flows	Condensed Consolidating Statement of Cash Flows Three Months Ended March 31, 2017 Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) Cash flows from operating activities $ (20,297 ) $ 58,062 $ 10,736 $ (4,901 ) $ 43,600 Cash flows from investing activities Additions to properties and equipment — (7,902 ) (363 ) — (8,265 ) Distributions from UNEV in excess of earnings — 1,099 — (1,099 ) — Proceeds from sale of assets — 424 — — 424 Distributions in excess of equity in earnings of equity investments — 3,016 — — 3,016 — (3,363 ) (363 ) (1,099 ) (4,825 ) Cash flows from financing activities Net borrowings under credit agreement — 294,000 — — 294,000 Net intercompany financing activities 344,781 (344,781 ) — — — Proceeds from issuance of common units 39,371 (1,808 ) — — 37,563 Contribution from general partner 805 (805 ) — — — Redemption of senior notes (309,750 ) — — — (309,750 ) Distributions to HEP unitholders (54,807 ) 2 — — (54,805 ) Distribution to HFC for El Dorado tanks (103 ) — — — (103 ) Distributions to noncontrolling interests — — (8,000 ) 6,000 (2,000 ) Other — (330 ) — — (330 ) 20,297 (53,722 ) (8,000 ) 6,000 (35,425 ) Cash and cash equivalents Increase for the period — 977 2,373 — 3,350 Beginning of period 2 301 3,354 — 3,657 End of period $ 2 $ 1,278 $ 5,727 $ — $ 7,007 Condensed Consolidating Statement of Cash Flows Three Months Ended March 31, 2016 (1) Parent Guarantor Restricted Subsidiaries Non-Guarantor Non-Restricted Subsidiaries Eliminations Consolidated (In thousands) Cash flows from operating activities $ (10,084 ) $ 47,779 $ 13,424 $ (3,750 ) $ 47,369 Cash flows from investing activities Additions to properties and equipment — (7,919 ) (9,954 ) — (17,873 ) Purchase of Woods Cross refinery processing units — (24,311 ) — — (24,311 ) Proceeds from sale of assets — 12 — — 12 Distributions in excess of equity in earnings of equity investments — 99 — — 99 — (32,119 ) (9,954 ) — (42,073 ) Cash flows from financing activities Net repayments under credit agreement — 53,000 — — 53,000 Net intercompany financing activities 53,751 (53,751 ) — — — Contributions from general partner for Osage 32,455 (32,455 ) — — — Distributions to HFC for Tulsa Tank acquisition (30,378 ) (9,122 ) — — (39,500 ) Distributions to HEP unitholders (44,960 ) — — — (44,960 ) Contribution from HFC for acquisitions — 25,343 — — 25,343 Distributions to noncontrolling interests — — (5,000 ) 3,750 (1,250 ) Purchase of units for incentive grants (784 ) — — — (784 ) Deferred financing costs — (2,964 ) — — (2,964 ) Other — (160 ) — — (160 ) 10,084 (20,109 ) (5,000 ) 3,750 (11,275 ) Cash and cash equivalents Decrease for the period — (4,449 ) (1,530 ) — (5,979 ) Beginning of period 2 5,452 9,559 — 15,013 End of period $ 2 $ 1,003 $ 8,029 $ — $ 9,034 (1) Retrospectively adjusted as described in Note 1.

Description of Business and P34

Description of Business and Presentation of Financial Statements (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2017USD ($)	Dec. 31, 2016USD ($)shares	Jun. 30, 2016USD ($)mibbl	Mar. 31, 2016USD ($)mi
Other Ownership Interests [Line Items]
Ownership percentage, controlling interest		36.00%
General partner interest		2.00%
Tulsa tanks, Plains acquisition		$ 8,265			$ 42,184
Additions to Properties and Equipment		103	$ 278,000		0
Proceeds from Issuance of Private Placement			$ 103,000
Common Unit, Authorized | shares			3,420,000
Duration of Sales Commitment - Years			0
Purchase Obligation Minimum Annualized Payment			$ 56,700
Operations (exclusive of depreciation and amortization)		32,489			27,855	[1]
Net (Income) Loss Attributable to Predecessor		0			1,150	[1]
Net income		27,879			46,752	[1]
Net cash provided by operating activities		43,600			47,369
Additions to Properties and Equipment		(8,265)			(17,873)	[1]
Payments to Acquire Other Property, Plant, and Equipment		0			(24,311)
Net cash used for investing activities		(4,825)			(42,073)
Contributions from HFC for acquisitions		0			25,343	[1]
Net cash used for financing activities		$ (35,425)			$ (11,275)
SLC Pipeline [Member]
Other Ownership Interests [Line Items]
Equity Method Investment, Ownership Percentage		25.00%
UNEV Pipeline [Member]
Other Ownership Interests [Line Items]
Equity Method Investment, Ownership Percentage		75.00%
Frontier Pipeline [Member]
Other Ownership Interests [Line Items]
Equity Method Investment, Ownership Percentage		50.00%
Osage Pipeline [Member] [Member]
Other Ownership Interests [Line Items]
Equity Method Investment, Ownership Percentage		50.00%			50.00%
Business Combination, Consideration Transferred					$ 44,500
Equity Method Investment, Underlying Equity in Net Assets					$ 12,100
Length of Pipeline | mi					135
Duration of Sales Commitment - Years					20
Cheyenne [Member]
Other Ownership Interests [Line Items]
Equity Method Investment, Ownership Percentage		50.00%		50.00%
Payments to Acquire Equity Method Investments				$ (42,600)
Length of Pipeline | mi				87
Production barrel capacity per day | bbl				80,000
Tulsa Tanks [Member]
Other Ownership Interests [Line Items]
Tulsa tanks, Plains acquisition					$ 39,500
Operations (exclusive of depreciation and amortization)	[1]				0
Net (Income) Loss Attributable to Predecessor	[1]				217
Business Acquisition, Pro Forma Net Income (Loss)					200
Woods Cross [Member]
Other Ownership Interests [Line Items]
Operations (exclusive of depreciation and amortization)	[1]				933
Net (Income) Loss Attributable to Predecessor	[1]				933
Net income	[1]				(933)
Net cash provided by operating activities					(933)
Additions to Properties and Equipment					0
Payments to Acquire Other Property, Plant, and Equipment					(24,311)
Net cash used for investing activities					(24,311)
Contributions from HFC for acquisitions	[1]				25,244
Net cash used for financing activities					25,244
Business Acquisition, Pro Forma Net Income (Loss)					900
Scenario, Previously Reported [Member]
Other Ownership Interests [Line Items]
Operations (exclusive of depreciation and amortization)	[1]				26,922
Net (Income) Loss Attributable to Predecessor	[1]				0
Net income	[1]				47,685
Net cash provided by operating activities					48,302
Additions to Properties and Equipment					(17,873)
Payments to Acquire Other Property, Plant, and Equipment					0
Net cash used for investing activities					(17,762)
Contributions from HFC for acquisitions	[1]				99
Net cash used for financing activities					$ (36,519)
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Financial Instruments (Narrativ

Financial Instruments (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Reported Value Measurement [Member]
Debt Instrument [Line Items]
Financial Liabilities Fair Value Disclosure	$ 393,565	$ 690,912
Reported Value Measurement [Member] | Interest Rate Swap [Member]
Debt Instrument [Line Items]
Assets, Fair Value Disclosure	154	91
Reported Value Measurement [Member] | 6.5% Senior Notes [Member]
Debt Instrument [Line Items]
Financial Liabilities Fair Value Disclosure	0	297,519
Reported Value Measurement [Member] | Six Percent Senior Notes Due Two Thousand Twenty Four [Member] [Member]
Debt Instrument [Line Items]
Financial Liabilities Fair Value Disclosure		393,393
Estimate of Fair Value Measurement [Member] | Fair value inputs, Level 2 [Member]
Debt Instrument [Line Items]
Financial Liabilities Fair Value Disclosure	422,288	723,750
Estimate of Fair Value Measurement [Member] | Interest Rate Swap [Member] | Fair value inputs, Level 2 [Member]
Debt Instrument [Line Items]
Assets, Fair Value Disclosure	154	91
Estimate of Fair Value Measurement [Member] | 6.5% Senior Notes [Member] | Fair value inputs, Level 2 [Member]
Debt Instrument [Line Items]
Financial Liabilities Fair Value Disclosure	0	308,250
Estimate of Fair Value Measurement [Member] | Six Percent Senior Notes Due Two Thousand Twenty Four [Member] [Member] | Fair value inputs, Level 2 [Member]
Debt Instrument [Line Items]
Financial Liabilities Fair Value Disclosure	$ 422,288	$ 415,500

Properties and Equipment (Detai

Properties and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	$ 1,723,183		$ 1,714,021
Less accumulated depreciation	402,202		385,626
Properties and equipment, net	1,320,981		1,328,395	[1]
Interest costs, capitalized during period	(196)	$ (140)
Depreciation expense	16,900	$ 14,700
Pipelines and terminals [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	1,247,967		1,246,746
Refinery assets [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	347,075		346,058
Land and right of way [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	65,331		65,331
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	35,148		28,753
Other Fixed Assets [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	$ 27,662		$ 27,133
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Transportation Agreements (Deta

Transportation Agreements (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017USD ($)yr	Dec. 31, 2016USD ($)
Finite-Lived Intangible Assets [Line Items]
Amortization of Transportation Agreements	$ 1,700
Finite-Lived Intangible Assets, Net [Abstract]
Transportation agreements, gross	134,214	$ 134,214
Less accumulated amortization	69,096	67,358
Transportation agreements, net	$ 65,118	66,856
Alon transportation agreement
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)	30 years
Finite-Lived Intangible Assets, Useful Life, Initial Term (years) | yr	15
Finite-Lived Intangible Assets, Useful Life, Extension Period (years) | yr	15
Finite-Lived Intangible Assets, Net [Abstract]
Transportation agreements, gross	$ 59,933	59,933
HFC transportation agreement
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life (years)	15 years
Finite-Lived Intangible Assets, Net [Abstract]
Transportation agreements, gross	$ 74,231	74,231
Other [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Transportation agreements, gross	$ 50	$ 50

Employees, Retirement and Inc38

Employees, Retirement and Incentive Plans Retirement and Benefit Plan Costs (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017USD ($)Componentsshares	Mar. 31, 2016USD ($)
Share-based Compensation Arrangements
Employee benefits and share-based compensation | $	$ 1.7	$ 1.6
Long-term Incentive Plan, Components | Components	4
Compensation costs of incentive awards | $	$ 0.3	$ 0.7
Deferred Bonus [Member]
Share-based Compensation Arrangements
Units authorized under equity-based compensation plans (new) | shares	2,500,000
Number of units available for grant | shares	1,409,261

Employees, Retirement and Inc39

Employees, Retirement and Incentive Plans Restricted Units (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangements
Nonvested restricted units outstanding	126,683	123,988
Weighted average grant date fair value	$ 33.90	$ 32.96
Forfeited	(17,653)
Granted	20,348
Granted Weighted Average Grant Date Fair Value	$ 36.01
Forfeited	$ 29.75
Total unrecognized compensation related to nonvested units	$ 2
Weighted average remaining contractual term (years)	1 year 2 months
Performance Shares [Member]
Share-based Compensation Arrangements
Nonvested restricted units outstanding	26,030	49,520
Forfeited	(21,228)
Total unrecognized compensation related to nonvested units	$ 0.6
Weighted average remaining contractual term (years)	2 years
Minimum [Member] | Restricted Stock [Member]
Share-based Compensation Arrangements
Award Vesting Period	1 year
Maximum [Member] | Restricted Stock [Member]
Share-based Compensation Arrangements
Award Vesting Period	3 years

Employees, Retirement and Inc40

Employees, Retirement and Incentive Plans Performance Units (Details) $ in Millions	3 Months Ended
	Mar. 31, 2017USD ($)shares
Share-based Compensation Arrangement Instruments [Roll Forward]
Weighted Average Fair Value of Units Outstanding | $	$ 0.9
Performance Shares [Member]
Share-based Compensation Arrangements
Estimated Share Payouts Unit Awards Minimum	100.00%
Estimated Share Payouts Unit Awards Maximum	150.00%
Share-based Compensation Arrangement Instruments [Roll Forward]
Outstanding at January 1, 2017 (nonvested)	49,520
Vesting and transfer of common units to recipients	(2,262)
Forfeited	(21,228)
Outstanding at March 31, 2017 (nonvested)	26,030
Fair value of vested units transferred to recipients | $	$ 0.1
Total unrecognized compensation related to nonvested units | $	$ 0.6
Weighted average remaining contractual term (years)	2 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement Instruments [Roll Forward]
Outstanding at January 1, 2017 (nonvested)	123,988
Granted	20,348
Forfeited	(17,653)
Outstanding at March 31, 2017 (nonvested)	126,683
Total unrecognized compensation related to nonvested units | $	$ 2
Weighted average remaining contractual term (years)	1 year 2 months
Executive Officer [Member] | Performance Shares [Member]
Share-based Compensation Arrangements
Estimated Share Payouts Unit Awards Minimum	50.00%
Estimated Share Payouts Unit Awards Maximum	150.00%

Debt Senior Notes (Details)

Debt Senior Notes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,200,000
Line of Credit Facility, Expiration Date	Nov. 1, 2018
Loss on early extinguishment of debt	$ (12,225)	$ 0
6.5% Senior Notes [Member]
Debt Instrument [Line Items]
Principal	$ 0		$ 300,000
Stated interest rate, senior notes	6.50%
Senior Notes Aggregate Redemption Amount	$ 309,800
Loss on early extinguishment of debt	12,200
Debt Instrument, Unamortized Premium	9,800
Debt Instrument, Unamortized Discount	2,400
Six Percent Senior Notes Due Two Thousand Twenty Four [Member] [Member]
Debt Instrument [Line Items]
Principal	$ 400,000		$ 400,000
Stated interest rate, senior notes	6.00%
Letter of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50,000

Debt Long-Term Debt (Details)

Debt Long-Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,200,000
Credit Agreement	847,000	$ 553,000
Total long-term debt	1,240,565	1,243,912
Six Percent Senior Notes Due Two Thousand Twenty Four [Member] [Member]
Debt Instrument [Line Items]
Principal	400,000	400,000
Unamortized discount	(6,435)	(6,607)
Senior Notes	393,565	393,393
6.5% Senior Notes [Member]
Debt Instrument [Line Items]
Principal	0	300,000
Unamortized discount	0	(2,481)
Senior Notes	0	$ 297,519
Credit Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50,000

Debt Interest Rate Risk Managem

Debt Interest Rate Risk Management (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	$ 847,000	$ 553,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	154	91
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	200
Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Debt Instrument [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 200
Interest Rate Swap [Member] | Cash Flow Hedging, Added 2012 [Member]
Debt Instrument [Line Items]
Long-term debt, fixed interest rate	0.74%
Debt instrument, basis spread on variable rate	2.25%
Debt instrument, effective interest rate	2.99%
London Interbank Offered Rate (LIBOR) [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	$ 150,000	0
London Interbank Offered Rate (LIBOR) [Member] | Interest Rate Swap [Member] | Cash Flow Hedging, Added 2012 [Member]
Debt Instrument [Line Items]
Line of credit facility, amount outstanding	150,000
London Interbank Offered Rate (LIBOR) [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Debt Instrument [Line Items]
Derivative Instruments and Hedges, Assets	154	91
Derivative Asset	154	91
London Interbank Offered Rate (LIBOR) [Member] | Other Current Assets [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Debt Instrument [Line Items]
Derivative Instruments and Hedges, Assets	154	91
Derivative Asset	$ 154	$ 91

Debt Interest Expense and Other

Debt Interest Expense and Other Debt Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Debt Instrument [Line Items]
Interest expense, debt	$ 13,735	$ 10,675
Less capitalized interest	196	140
Interest expense	13,539	10,535	[1]
Cash paid for interest	26,517	14,841
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest expense, debt	6,449	5,006
Senior Notes [Member] | 6.5% Senior Notes [Member]
Debt Instrument [Line Items]
Interest expense, debt	162	4,875
Senior Notes [Member] | Six Percent Senior Notes Due Two Thousand Twenty Four [Member] [Member]
Debt Instrument [Line Items]
Interest expense, debt	6,000	0
Amortization discount and deferred debt issuance costs [Member]
Debt Instrument [Line Items]
Interest expense, debt	770	593
Commitment Fees and Other [Member]
Debt Instrument [Line Items]
Interest expense, debt	$ 354	$ 201
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Debt Debt Capital Leases (Detai

Debt Debt Capital Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Capital Leased Assets [Line Items]
Capital Leased Assets, Gross	$ 5.3	$ 4.9
Capital Leases Accumulated Depreciation	$ 2.9	$ 2.4
Minimum [Member]
Capital Leased Assets [Line Items]
Capital Leases, Term of Contract	33 months
Maximum [Member]
Capital Leased Assets [Line Items]
Capital Leases, Term of Contract	48 months

Significant Customers (Details)

Significant Customers (Details) - Sales Revenue, Net [Member] - Customers	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue, Major Customer [Line Items]
Concentration risk, percentage of total sales	91.80%
Concentration risk, number of significant customers	2
HFC [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage of total sales	84.00%	81.00%
Alon [Member]
Revenue, Major Customer [Line Items]
Concentration risk, percentage of total sales	8.00%	8.00%

Related Party Transactions (Nar

Related Party Transactions (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Related Party Transaction [Line Items]
Administrative Fee, Related Party	$ 2,500
Revenue from related parties	89,025		$ 82,846	[1]
Omnibus Agreement G & A Expenses, Related Party	600
Employee expenses reimbursed to related party	11,400		9,800
Reimbursements received from related parties	1,300		1,800
Accounts receivable due from HFC	35,600	$ 42,600
Accounts payable to HFC	6,481	16,424
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Other Commitments, Future Minimum Payments, Remainder of Fiscal Year	321,000
Distributions to HEP unitholders	30,300		24,500
Shortfall Payments [Member]
Related Party Transaction [Line Items]
Shortfall Payments, Revenue Recognized	2,100		$ 5,200
Shortfall Billings Deferred Revenue	$ 5,800	$ 5,600
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Partners' Equity, Issuances (De

Partners' Equity, Issuances (Details) $ in Millions	3 Months Ended	11 Months Ended
	Mar. 31, 2017USD ($)shares	Mar. 31, 2017USD ($)shares
Capital Unit [Line Items]
Common Unit, Issued | shares	1,142,358	1,142,358
General Partners' Contributed Capital	$ 0.8	$ 0.8
Partners' Capital Account, Units, Sale of Units | shares		1,845,813
Common units held by HFC | shares	22,380,030	22,380,030
General partner ownership interest	2.00%
Ownership percentage, controlling interest	36.00%	36.00%
Common Unit Issuance Program	$ 200
Gross Proceeds from Issuance of Common Units	40.3	$ 63.8
Fees and Commissions	$ 0.8

Partners' Equity, Allocations o

Partners' Equity, Allocations of Net Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Partners' Capital [Abstract]
General Partner Interest in Net Income	$ 511	$ 630
General partner incentive distribution	16,627	11,473
Net (Income) Loss Attributable to Predecessor	0	(1,150)	[1]
Net income (Loss) Allocated to Partners After Predecessor Portion	(17,138)	(10,953)
General partner interest in net income attributable to HEP	$ 17,138	$ 12,103	[1]
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Partners' Equity, Cash Distribu

Partners' Equity, Cash Distributions (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Partners' Capital [Abstract]
Dividends Payable, Date Declared	Apr. 27, 2017
Dividends Payable, Date of Record	May 8, 2017
Dividends Payable, Date to be Paid	May 15, 2017
Allocations of Quarterly Cash Distributions to General and Limited Partners
Partners' Capital, Distribution Amount Per Share	$ 0.620
Partner Distributions
General partner interest	$ 1,148	$ 948
General partner incentive distribution	16,627	11,473
Total general partner distribution	17,775	12,421
Limited partner distribution	39,632	33,728
Total regular quarterly cash distributions	$ 57,407	$ 46,149
Cash distribution per unit applicable to limited partners	$ 0.6200	$ 0.5750

Net Income per Limited Partne51

Net Income per Limited Partner Unit (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Earnings per Unit by Type of Partner [Line Items]
Net Income Attributable to Parent	$ 25,563	$ 42,975	[1]
Net (Income) Loss Attributable to Predecessor	0	1,150	[1]
Net Income Attributable to Partnership	25,563	42,975
General Partners' Distribution Declared	17,775	12,421
Limited partner distribution declared	39,632	33,728
Distributions Declared	57,407	46,149
Distributions in Excess of Net Income Attributable to Partnership	$ (31,844)	$ (3,174)
Weighted average limited partners’ units outstanding	63,113	58,657	[1]
Limited partners’ per unit interest in earnings—basic and diluted:	$ 0.13	$ 0.52	[1]
General Partner [Member]
Earnings per Unit by Type of Partner [Line Items]
Net Income Attributable to Partnership	$ 17,138	$ 12,358
Distributions in Excess of Net Income Attributable to Partnership	(637)	(63)
Limited Partner [Member]
Earnings per Unit by Type of Partner [Line Items]
Net Income Attributable to Partnership	8,425	30,617
Distributions in Excess of Net Income Attributable to Partnership	$ (31,207)	$ (3,111)
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Environmental Environmental (De

Environmental Environmental (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Environmental Remediation Expense	$ 0
Accrued Environmental Expense	6,900,000	$ 7,100,000
Accrued Environmental Expense, Noncurrent	5,100,000	5,400,000
Affiliated Entity [Member]
Loss Contingencies [Line Items]
Accrued Environmental Expense	$ 800,000	$ 900,000

Segments (Details)

Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016		Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenue, Net	$ 105,634	$ 102,010	[1]
Assets	1,870,135			$ 1,884,237	[1]
Operating Income (Loss)	51,734	54,513	[1]
Segment operating profit	54,368	57,604
Unallocated general and administrative	(2,634)	(3,091)	[1]
Interest and financing costs, net	(25,662)	(10,423)
Equity in earnings of equity method investments	1,840	2,765	[1]
Gain on sale of assets and other	73	(8)
Income before income taxes	27,985	46,847	[1]
Property, Plant and Equipment, Additions	8,265	42,184
Affiliated Entity [Member]
Segment Reporting Information [Line Items]
Revenue, Net	69,645	78,339
Pipelines [Member]
Segment Reporting Information [Line Items]
Revenue, Net	16,609	19,164
Assets	1,356,168			1,369,756
Operating Income (Loss)	46,485	57,248
Property, Plant and Equipment, Additions	8,129	17,873
2911 Petroleum Refining [Member]
Segment Reporting Information [Line Items]
Revenue, Net	19,380	4,507
Assets	341,363			342,506
Operating Income (Loss)	7,883	356
Property, Plant and Equipment, Additions	136	$ 24,311
Other [Member]
Segment Reporting Information [Line Items]
Assets	$ 172,604			$ 171,975
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Supplemental Guarantor _ Non-54

Supplemental Guarantor / Non-Guarantor Financial Information Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016		Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 7,007	$ 3,657		$ 9,034	$ 15,013
Accounts receivable	45,745	50,408
Prepaid and other current assets	3,170	2,888
Total current assets	55,922	56,953
Properties and equipment, net	1,320,981	1,328,395	[1]
Investment in subsidiaries	0	0
Transportation agreements, net	65,118	66,856
Goodwill	256,498	256,498
Equity method investments	162,319	165,609
Other assets	9,297	9,926
Assets	1,870,135	1,884,237	[1]
Current liabilities:
Accounts payable	17,940	26,942
Accrued interest	4,518	18,069
Deferred revenue	11,807	11,102
Accrued property taxes	5,407	5,397
Other current liabilities	2,779	3,225
Total current liabilities	42,451	64,735
Long-term debt	1,240,565	1,243,912
Other long-term liabilities	16,521	16,445
Deferred revenue	46,881	47,035
Class B unit	41,000	40,319
Equity - partners	389,526	378,234	[1]
Equity - noncontrolling interest	93,191	93,557
Total liabilities and equity	1,870,135	1,884,237	[1]
Parent Company [Member]
Current assets:
Cash and cash equivalents	2	2		2	2
Accounts receivable	0	0
Prepaid and other current assets	131	11
Total current assets	133	13
Properties and equipment, net	0	0
Investment in subsidiaries	786,512	1,086,008
Transportation agreements, net	0	0
Goodwill	0	0
Equity method investments	0	0
Other assets	725	725
Assets	787,370	1,086,746
Current liabilities:
Accounts payable	0	0
Accrued interest	4,000	17,300
Deferred revenue	0	0
Accrued property taxes	0	0
Other current liabilities	53	14
Total current liabilities	4,053	17,314
Long-term debt	393,505	690,912
Other long-term liabilities	286	286
Deferred revenue	0	0
Class B unit	0	0
Equity - partners	389,526	378,234
Equity - noncontrolling interest	0	0
Total liabilities and equity	787,370	1,086,746
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	1,278	301		1,003	5,452
Accounts receivable	42,055	45,056
Prepaid and other current assets	2,688	2,633
Total current assets	46,021	47,990
Properties and equipment, net	952,758	957,045
Investment in subsidiaries	279,572	280,671
Transportation agreements, net	65,118	66,856
Goodwill	256,498	256,498
Equity method investments	162,319	165,609
Other assets	8,572	9,201
Assets	1,770,858	1,783,870
Current liabilities:
Accounts payable	14,849	24,245
Accrued interest	518	769
Deferred revenue	11,732	8,797
Accrued property taxes	3,538	4,514
Other current liabilities	2,721	3,208
Total current liabilities	33,358	41,533
Long-term debt	847,060	553,000
Other long-term liabilities	16,047	15,975
Deferred revenue	46,881	47,035
Class B unit	41,000	40,319
Equity - partners	786,512	1,086,008
Equity - noncontrolling interest	0	0
Total liabilities and equity	1,770,858	1,783,870
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	5,727	3,354		8,029	9,559
Accounts receivable	4,063	5,554
Prepaid and other current assets	351	244
Total current assets	10,141	9,152
Properties and equipment, net	368,223	371,350
Investment in subsidiaries	0	0
Transportation agreements, net	0	0
Goodwill	0	0
Equity method investments	0	0
Other assets	0	0
Assets	378,364	380,502
Current liabilities:
Accounts payable	3,464	2,899
Accrued interest	0	0
Deferred revenue	75	2,305
Accrued property taxes	1,869	883
Other current liabilities	5	3
Total current liabilities	5,413	6,090
Long-term debt	0	0
Other long-term liabilities	188	184
Deferred revenue	0	0
Class B unit	0	0
Equity - partners	279,572	280,671
Equity - noncontrolling interest	93,191	93,557
Total liabilities and equity	378,364	380,502
Consolidation, Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0		$ 0	$ 0
Accounts receivable	(373)	(202)
Prepaid and other current assets	0	0
Total current assets	(373)	(202)
Properties and equipment, net	0	0
Investment in subsidiaries	(1,066,084)	(1,366,679)
Transportation agreements, net	0	0
Goodwill	0	0
Equity method investments	0	0
Other assets	0	0
Assets	(1,066,457)	(1,366,881)
Current liabilities:
Accounts payable	(373)	(202)
Accrued interest	0	0
Deferred revenue	0	0
Accrued property taxes	0	0
Other current liabilities	0	0
Total current liabilities	(373)	(202)
Long-term debt	0	0
Other long-term liabilities	0	0
Deferred revenue	0	0
Class B unit	0	0
Equity - partners	(1,066,084)	(1,366,679)
Equity - noncontrolling interest	0	0
Total liabilities and equity	$ (1,066,457)	$ (1,366,881)
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Supplemental Guarantor _ Non-55

Supplemental Guarantor / Non-Guarantor Financial Information Condensed Consolidating Statement of Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues [Abstract]
Affiliates	$ 89,025	$ 82,846	[1]
Third parties	16,609	19,164	[1]
Total revenues	105,634	102,010	[1]
Operating costs and expenses [Abstract]
Operations (exclusive of depreciation and amortization)	32,489	27,855	[1]
Depreciation and amortization	18,777	16,551	[1]
General and administrative	2,634	3,091	[1]
Total operating costs and expenses	53,900	47,497	[1]
Operating Income (Loss)	51,734	54,513	[1]
Equity in Earnings (Loss) of Subsidiaries	0	0
Equity in Earnings of Equity Method Investments	1,840	2,765	[1]
Interest expense	(13,539)	(10,535)	[1]
Interest income	102	112	[1]
Loss on early extinguishment of debt	(12,225)	0
Gain (Loss) on Sale of Assets and Other	73	(8)	[1]
Nonoperating Income (Expense)	(23,749)	(7,666)	[1]
Income (Loss) before Income Taxes	27,985	46,847	[1]
State income tax (expense) benefit	(106)	(95)	[1]
Net income	27,879	46,752	[1]
Net (Income) Loss Attributable to Predecessor	0	1,150	[1]
Allocation of Net (Income) Attributable to Noncontrolling Interest	(2,316)	(4,927)	[1]
Net Income (Loss) Attributable to Parent	25,563	42,975	[1]
Other comprehensive income (loss)	63	(453)
Comprehensive Income (Loss) Attributable to Holly Energy Partners	25,626	42,522	[1]
Equity Method Investments [Member]
Operating costs and expenses [Abstract]
Equity in Earnings of Equity Method Investments	1,840	2,765
Parent Company [Member]
Revenues [Abstract]
Affiliates	0	0
Third parties	0	0
Total revenues	0	0
Operating costs and expenses [Abstract]
Operations (exclusive of depreciation and amortization)	0	0
Depreciation and amortization		0
General and administrative	1,155	1,165
Total operating costs and expenses	1,155	1,165
Operating Income (Loss)	(1,155)	(1,165)
Equity in Earnings (Loss) of Subsidiaries	45,283	48,990
Interest expense	(6,340)	(5,067)
Interest income	0	0
Loss on early extinguishment of debt	(12,225)
Gain (Loss) on Sale of Assets and Other	0	0
Nonoperating Income (Expense)	26,718	43,923
Income (Loss) before Income Taxes	25,563	42,758
State income tax (expense) benefit	0	0
Net income	25,563	42,758
Net (Income) Loss Attributable to Predecessor		0
Allocation of Net (Income) Attributable to Noncontrolling Interest	0	0
Net Income (Loss) Attributable to Parent	25,563	42,758
Other comprehensive income (loss)	63	(453)
Comprehensive Income (Loss) Attributable to Holly Energy Partners	25,626	42,305
Parent Company [Member] | Equity Method Investments [Member]
Operating costs and expenses [Abstract]
Equity in Earnings of Equity Method Investments	0	0
Guarantor Subsidiaries [Member]
Revenues [Abstract]
Affiliates	80,776	72,252
Third parties	11,003	10,732
Total revenues	91,779	82,984
Operating costs and expenses [Abstract]
Operations (exclusive of depreciation and amortization)	29,092	24,824
Depreciation and amortization	14,853	12,793
General and administrative	1,479	1,926
Total operating costs and expenses	45,424	39,543
Operating Income (Loss)	46,355	43,441
Equity in Earnings (Loss) of Subsidiaries	4,901	9,184
Interest expense	(7,199)	(5,468)
Interest income	102	105
Loss on early extinguishment of debt	0
Gain (Loss) on Sale of Assets and Other	72	(9)
Nonoperating Income (Expense)	(284)	6,577
Income (Loss) before Income Taxes	46,071	50,018
State income tax (expense) benefit	(106)	(95)
Net income	45,965	49,923
Net (Income) Loss Attributable to Predecessor		1,150
Allocation of Net (Income) Attributable to Noncontrolling Interest	(682)	(1,866)
Net Income (Loss) Attributable to Parent	45,283	49,207
Other comprehensive income (loss)	63	(453)
Comprehensive Income (Loss) Attributable to Holly Energy Partners	45,346	48,754
Guarantor Subsidiaries [Member] | Equity Method Investments [Member]
Operating costs and expenses [Abstract]
Equity in Earnings of Equity Method Investments	1,840	2,765
Non-Guarantor Subsidiaries [Member]
Revenues [Abstract]
Affiliates	8,249	10,594
Third parties	5,606	8,432
Total revenues	13,855	19,026
Operating costs and expenses [Abstract]
Operations (exclusive of depreciation and amortization)	3,397	3,031
Depreciation and amortization	3,924	3,758
General and administrative	0	0
Total operating costs and expenses	7,321	6,789
Operating Income (Loss)	6,534	12,237
Equity in Earnings (Loss) of Subsidiaries	0	0
Interest expense	0	0
Interest income	0	7
Loss on early extinguishment of debt	0
Gain (Loss) on Sale of Assets and Other	1	1
Nonoperating Income (Expense)	1	8
Income (Loss) before Income Taxes	6,535	12,245
State income tax (expense) benefit	0	0
Net income	6,535	12,245
Net (Income) Loss Attributable to Predecessor		0
Allocation of Net (Income) Attributable to Noncontrolling Interest	(1,634)	(3,061)
Net Income (Loss) Attributable to Parent	4,901	9,184
Other comprehensive income (loss)	0	0
Comprehensive Income (Loss) Attributable to Holly Energy Partners	4,901	9,184
Non-Guarantor Subsidiaries [Member] | Equity Method Investments [Member]
Operating costs and expenses [Abstract]
Equity in Earnings of Equity Method Investments	0	0
Consolidation, Eliminations [Member]
Revenues [Abstract]
Affiliates	0	0
Third parties	0	0
Total revenues	0	0
Operating costs and expenses [Abstract]
Operations (exclusive of depreciation and amortization)	0	0
Depreciation and amortization	0	0
General and administrative	0	0
Total operating costs and expenses	0	0
Operating Income (Loss)	0	0
Equity in Earnings (Loss) of Subsidiaries	(50,184)	(58,174)
Interest expense	0	0
Interest income	0	0
Loss on early extinguishment of debt	0
Gain (Loss) on Sale of Assets and Other	0	0
Nonoperating Income (Expense)	(50,184)	(58,174)
Income (Loss) before Income Taxes	(50,184)	(58,174)
State income tax (expense) benefit	0	0
Net income	(50,184)	(58,174)
Net (Income) Loss Attributable to Predecessor		0
Allocation of Net (Income) Attributable to Noncontrolling Interest	0	0
Net Income (Loss) Attributable to Parent	(50,184)	(58,174)
Other comprehensive income (loss)	(63)	453
Comprehensive Income (Loss) Attributable to Holly Energy Partners	(50,247)	(57,721)
Consolidation, Eliminations [Member] | Equity Method Investments [Member]
Operating costs and expenses [Abstract]
Equity in Earnings of Equity Method Investments	$ 0	$ 0
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Supplemental Guarantor _ Non-56

Supplemental Guarantor / Non-Guarantor Financial Information Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	$ 43,600		$ 47,369
Cash flows from investing activities
Additions to Properties and Equipment	(8,265)		(17,873)	[1]
Payments to Acquire Other Property, Plant, and Equipment	0		(24,311)
Proceeds from sale of assets	424		12
Distributions in excess of equity in earnings of equity investments	3,016		(99)
Net cash used for investing activities	(4,825)		(42,073)
Cash flows from financing activities
Net borrowings under credit agreement	294,000		53,000
Net intercompany financing activities	0		0
Proceeds from Issuance of Common Units	(37,563)		0
Contributions from General Partner	0
Repayments of Senior Debt	(309,750)
Contributions from general partner for Osage			0
Distribution to HFC for Tulsa Tank Acquisition	0		(39,500)
Distributions to HEP unitholders	(54,805)		(44,960)
Additions to Properties and Equipment	(103)	$ (278,000)	0
Contributions from HFC for acquisitions	0		25,343	[1]
Distributions to noncontrolling interests	(2,000)		(1,250)
Purchase of units for incentive grants	0		(784)
Deferred financing costs	0		(2,964)
Other	(330)		(160)
Net cash used for financing activities	(35,425)		(11,275)
Increase (decrease) for the period	3,350		(5,979)
Beginning of period	3,657		15,013
End of period	7,007	3,657	9,034
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(20,297)		(10,084)
Cash flows from investing activities
Additions to Properties and Equipment	0		0
Payments to Acquire Other Property, Plant, and Equipment			0
Proceeds from sale of assets	0		0
Distributions in excess of equity in earnings of equity investments	0		0
Net cash used for investing activities	0		0
Cash flows from financing activities
Net borrowings under credit agreement	0		0
Net intercompany financing activities	344,781		53,751
Proceeds from Issuance of Common Units	(39,371)
Contributions from General Partner	805
Repayments of Senior Debt	(309,750)
Contributions from general partner for Osage			32,455
Distribution to HFC for Tulsa Tank Acquisition			(30,378)
Distributions to HEP unitholders	(54,807)		(44,960)
Additions to Properties and Equipment	(103)
Contributions from HFC for acquisitions			0
Distributions to noncontrolling interests	0		0
Purchase of units for incentive grants			(784)
Deferred financing costs			0
Other	0		0
Net cash used for financing activities	20,297		10,084
Increase (decrease) for the period	0		0
Beginning of period	2		2
End of period	2	2	2
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	58,062		47,779
Cash flows from investing activities
Additions to Properties and Equipment	(7,902)		(7,919)
Payments to Acquire Other Property, Plant, and Equipment			(24,311)
Proceeds from sale of assets	424		12
Distributions in excess of equity in earnings of equity investments	3,016		(99)
Net cash used for investing activities	(3,363)		(32,119)
Cash flows from financing activities
Net borrowings under credit agreement	294,000		53,000
Net intercompany financing activities	(344,781)		(53,751)
Proceeds from Issuance of Common Units	(1,808)
Contributions from General Partner	(805)
Repayments of Senior Debt	0
Contributions from general partner for Osage			32,455
Distribution to HFC for Tulsa Tank Acquisition			(9,122)
Distributions to HEP unitholders	2		0
Additions to Properties and Equipment	0
Contributions from HFC for acquisitions			25,343
Distributions to noncontrolling interests	0		0
Purchase of units for incentive grants			0
Deferred financing costs			(2,964)
Other	(330)		(160)
Net cash used for financing activities	(53,722)		(20,109)
Increase (decrease) for the period	977		(4,449)
Beginning of period	301		5,452
End of period	1,278	301	1,003
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	10,736		13,424
Cash flows from investing activities
Additions to Properties and Equipment	(363)		(9,954)
Payments to Acquire Other Property, Plant, and Equipment			0
Proceeds from sale of assets	0		0
Distributions in excess of equity in earnings of equity investments	0		0
Net cash used for investing activities	(363)		(9,954)
Cash flows from financing activities
Net borrowings under credit agreement	0		0
Net intercompany financing activities	0		0
Proceeds from Issuance of Common Units	0
Contributions from General Partner	0
Repayments of Senior Debt	0
Contributions from general partner for Osage			0
Distribution to HFC for Tulsa Tank Acquisition			0
Distributions to HEP unitholders	0		0
Additions to Properties and Equipment	0
Contributions from HFC for acquisitions			0
Distributions to noncontrolling interests	(8,000)		(5,000)
Purchase of units for incentive grants			0
Deferred financing costs			0
Other	0		0
Net cash used for financing activities	(8,000)		(5,000)
Increase (decrease) for the period	2,373		(1,530)
Beginning of period	3,354		9,559
End of period	5,727	3,354	8,029
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(4,901)		(3,750)
Cash flows from investing activities
Additions to Properties and Equipment	0		0
Payments to Acquire Other Property, Plant, and Equipment			0
Proceeds from sale of assets	0		0
Distributions in excess of equity in earnings of equity investments	0		0
Net cash used for investing activities	(1,099)		0
Cash flows from financing activities
Net borrowings under credit agreement	0		0
Net intercompany financing activities	0		0
Proceeds from Issuance of Common Units	0
Contributions from General Partner	0
Repayments of Senior Debt	0
Contributions from general partner for Osage			0
Distribution to HFC for Tulsa Tank Acquisition			0
Distributions to HEP unitholders	0		0
Additions to Properties and Equipment	0
Contributions from HFC for acquisitions			0
Distributions to noncontrolling interests	6,000		3,750
Purchase of units for incentive grants			0
Deferred financing costs			0
Other	0		0
Net cash used for financing activities	6,000		3,750
Increase (decrease) for the period	0		0
Beginning of period	0		0
End of period	0	$ 0	$ 0
UNEV Pipeline [Member]
Cash flows from investing activities
Distributions in excess of equity in earnings of equity investments	0
UNEV Pipeline [Member] | Parent Company [Member]
Cash flows from investing activities
Distributions in excess of equity in earnings of equity investments	0
UNEV Pipeline [Member] | Guarantor Subsidiaries [Member]
Cash flows from investing activities
Distributions in excess of equity in earnings of equity investments	(1,099)
UNEV Pipeline [Member] | Non-Guarantor Subsidiaries [Member]
Cash flows from investing activities
Distributions in excess of equity in earnings of equity investments	0
UNEV Pipeline [Member] | Consolidation, Eliminations [Member]
Cash flows from investing activities
Distributions in excess of equity in earnings of equity investments	$ (1,099)
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