Description of Business and Presentation of Financial Statements (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other Ownership Interests [Line Items]
Ownership percentage, controlling interest				39.00%
General partner interest				2.00%
Common Unit Issuance Program				$ 200,000
Payments to Acquire Equity Method Investments				(42,500)	$ 0
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity		$ 33,100
Equity Method Investment, Underlying Equity in Net Assets		$ 12,100
Distributions to HFC for Tulsa Tanks				(32,667)	(42,343)	[1]
Contributions from HFC for El Dorado Operating acquisition				$ 0	18,888	[1]
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%
Shareholders' Equity [Member]
Other Ownership Interests [Line Items]
Business Combination, Consideration Transferred					9,200
Property Plant and Equipment Acquired [Member]
Other Ownership Interests [Line Items]
Business Combination, Consideration Transferred					9,300
Liability [Member]
Other Ownership Interests [Line Items]
Business Combination, Consideration Transferred					100
El Dorado [Member]
Other Ownership Interests [Line Items]
Distributions to HFC for Tulsa Tanks	$ (62,000)
Purchase Obligation Minimum Annualized Payment				$ 15,300
Osage Pipeline [Member] [Member]
Other Ownership Interests [Line Items]
Business Combination, Consideration Transferred		$ 44,500
Tulsa Tanks [Member]
Other Ownership Interests [Line Items]
El Dorado crude tanks, Plains acquisition		$ 39,500
Business Acquisition, Pro Forma Net Income (Loss)			$ 200		$ 400
Six Percent Senior Notes Due Two Thousand Twenty Four [Member] [Member]
Other Ownership Interests [Line Items]
Debt Instrument, Face Amount				$ 400,000
Debt Instrument, Interest Rate, Stated Percentage				6.00%

[1] Retrospectively adjusted as described in Note 1.