Acquisitions (Details) $ / shares in Units, $ in Thousands	3 Months Ended									12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares shares	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)		Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($) mi bbl		Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Distribution to HFC for acquisitions										$ 317,500	$ 62,000		$ 0
Ownership percentage in equity method investment	50.00%									50.00%
Additions to properties, and equipment										$ (59,704)	(39,393)	[1]	(79,959)	[1]
Underlying Equity in Net Assets	$ 109,291									109,291
Difference Between Carrying Amount and Underlying Equity	(56,318)									(56,318)
Property, Plant and Equipment, Additions										103,823	193,121		198,686
Operating Expenses										206,946	181,418		179,538
Payments to Acquire Equity Method Investments										42,627	0		0
Proceeds from Issuance of Private Placement	$ 103,000									$ 103,000
Partners' Capital Account, Units, Sold in Private Placement | shares	3,420,000
Sale of Stock, Price Per Share | $ / shares	$ 30.18									$ 30.18
Properties and equipment, net					$ 1,293,060						1,293,060
Operations (exclusive of depreciation and amortization)										$ 123,986	105,556		106,185
Depreciation and amortization										70,428	63,306		62,529
Operating Expenses										10,657	2,702		1,747
Other long-term liabilities					20,744						20,744
General partner interest (2% interest)	$ (132,832)				103,584	[2]				(132,832)	103,584	[2]
Net income	42,919	$ 28,404	$ 39,516	$ 46,751	43,113		$ 35,888	$ 31,457	$ 35,168	157,590	145,626		112,066
Net cash provided by operating activities										242,748	230,746		185,256
Additions to properties and equipment										(59,704)	(67,016)		(109,693)
Payments to Acquire Businesses, Gross										(44,119)	(153,728)	[1]	(118,727)	[1]
Net cash used for investing activities										(143,030)	(246,680)	[1]	(198,423)	[1]
Contribution from general partner	$ 2,100									2,577	128,476		120,111
Net cash used by financing activities										$ (111,074)	$ 28,117	[1]	9,645	[1]
Frontier Pipeline [Member]
Business Acquisition [Line Items]
Ownership percentage in equity method investment	50.00%									50.00%
Length of Pipeline | mi											289
Production barrel capacity per day | bbl											72,000
Additions to properties, and equipment											$ (54,600)
UNEV Pipeline [Member]
Business Acquisition [Line Items]
Ownership percentage in equity method investment	75.00%									75.00%
Osage Pipeline [Member]
Business Acquisition [Line Items]
Ownership percentage in equity method investment	50.00%									50.00%
Length of Pipeline | mi											135
Duration of Sales Commitment - Years										20
Business Combination, Consideration Transferred										$ 44,500
Underlying Equity in Net Assets	$ 12,100									12,100
Difference Between Carrying Amount and Underlying Equity	$ 33,100									33,100
El Dorado [Member]
Business Acquisition [Line Items]
Additions to properties, and equipment											$ (62,000)
Purchase Obligation Minimum Annualized Payment											$ 15,000
Cheyenne [Member]
Business Acquisition [Line Items]
Distribution to HFC for acquisitions										$ 278,000
Ownership percentage in equity method investment	50.00%									50.00%
Length of Pipeline | mi											87
Production barrel capacity per day | bbl											80,000
Purchase Obligation Minimum Annualized Payment										$ 56,700
Payments to Acquire Equity Method Investments										$ 42,600
Woods Cross [Member]
Business Acquisition [Line Items]
Duration of Sales Commitment - Years										15
Affiliated Entity [Member]
Business Acquisition [Line Items]
Additions to properties and equipment											$ (39,393)		(79,959)
El Dorado [Member]
Business Acquisition [Line Items]
Distribution to HFC for acquisitions										$ 27,500
Depreciation and amortization											0		0
Net income											0		0
Net cash provided by operating activities											0		0
Additions to properties and equipment											(27,623)		(29,734)
Payments to Acquire Businesses, Gross											(27,623)		(29,734)
Net cash used for investing activities											0		0
Contribution from general partner											0		0
Net cash used by financing activities											0		0
Tulsa Tanks [Member]
Business Acquisition [Line Items]
Property, Plant and Equipment, Additions										39,500
Properties and equipment, net					9,309						9,309
Operations (exclusive of depreciation and amortization)											411		679
Depreciation and amortization											454		363
Operating Expenses											865		1,042
Other long-term liabilities					69						69
General partner interest (2% interest)					9,240						9,240
Net income											(865)		(1,042)
Net cash provided by operating activities											(411)		(679)
Additions to properties and equipment											0		0
Payments to Acquire Businesses, Gross											(513)		(2,225)
Net cash used for investing activities											(513)		(2,225)
Contribution from general partner											924		2,904
Net cash used by financing activities											924		2,904
Woods Cross [Member]
Business Acquisition [Line Items]
Properties and equipment, net					233,881						233,881
Operations (exclusive of depreciation and amortization)											1,837		705
Depreciation and amortization											0		0
Operating Expenses											1,837		705
Other long-term liabilities					0						0
General partner interest (2% interest)					233,881						233,881
Net income											(1,837)		(705)
Net cash provided by operating activities											(1,837)		(705)
Additions to properties and equipment											0		0
Payments to Acquire Businesses, Gross											(98,092)		(86,768)
Net cash used for investing activities											(98,092)		(86,768)
Contribution from general partner										51,262
Contribution of Property											99,929		87,473
Net cash used by financing activities											99,929		87,473
Tulsa Tanks [Member]
Business Acquisition [Line Items]
Operating Expenses										200
Woods Cross [Member]
Business Acquisition [Line Items]
Operating Expenses										$ 10,400
Scenario, Actual [Member]
Business Acquisition [Line Items]
Properties and equipment, net					1,049,870						1,049,870
Operations (exclusive of depreciation and amortization)											103,308		104,801
Depreciation and amortization											62,852		62,166
Operating Expenses											0		0
Other long-term liabilities					20,675						20,675
General partner interest (2% interest)					$ (139,537)						(139,537)
Net income											148,328		113,813
Net cash provided by operating activities											232,994		186,640
Additions to properties and equipment											(67,016)		(109,693)
Payments to Acquire Businesses, Gross											(27,500)		0
Net cash used for investing activities											(148,075)		(109,430)
Contribution from general partner											27,623		29,734
Net cash used by financing activities											$ (72,736)		$ (80,732)

[1] 1) Retrospectively adjusted as described in Note 2.

[2] (1) Retrospectively adjusted as described in Note 2.