Consolidated Statements of Partners' Capital (Unaudited) (USD $) In Thousands, unless otherwise specified		Total		Houston and St. Charles Terminal Services Business [Member]	Common Unitholders Public [Member]	Common Unitholders Public [Member] Houston and St. Charles Terminal Services Business [Member]	Common Unitholder Valero [Member]	Common Unitholder Valero [Member] Houston and St. Charles Terminal Services Business [Member]	Subordinated Unitholder Valero [Member]	Subordinated Unitholder Valero [Member] Houston and St. Charles Terminal Services Business [Member]	General Partner Valero [Member]	General Partner Valero [Member] Houston and St. Charles Terminal Services Business [Member]	Net Investment [Member]	Net Investment [Member] Houston and St. Charles Terminal Services Business [Member]
Beginning balance at Dec. 31, 2013	[1]	$ 970,073			$ 369,825		$ 75,998		$ 189,601		$ 6,167		$ 328,482
Increase (Decrease) in Partners' Capital Roll Forward
Net income (loss) attributable to Predecessor	[1]	(5,962)	[2]		0		0		0		0		(5,962)
Net income (loss) attributable to partners		10,482	[2]		3,078		2,058		5,136		210		0
Net transfers from Valero Energy Corporation	[1]	24,002			0		0		0		0		24,002
Cash distributions to unitholders		(2,174)			(638)		(427)		(1,065)		(44)		0
Unit-based compensation		11			11		0		0		0		0
Ending balance at Mar. 31, 2014	[1]	996,432			372,276		77,629		193,672		6,333		346,522
Beginning balance at Dec. 31, 2014	[1]	880,910	[3]		374,954		58,844		146,804		4,617		295,691
Increase (Decrease) in Partners' Capital Roll Forward
Net income (loss) attributable to Predecessor		(9,516)			0		0		0		0		(9,516)
Net income (loss) attributable to partners		22,121			6,305		4,442		10,522		852		0
Net transfers from Valero Energy Corporation		9,934			0		0		0		0		9,934
Allocation of Valero Energy Corporation’s net investment in the Houston and St. Charles Terminal Services Business				0		0		82,330		205,396		8,383		(296,109)
Consideration paid to Valero Energy Corporation for the acquisition of the Houston and St. Charles Terminal Services Business				(671,220)		0		(186,625)		(465,592)		(19,003)		0
Units issued to Valero Energy Corporation in connection with the acquisition of the Houston and St. Charles Terminal Services Business				100,000		0		98,000		0		2,000		0
Projects funded by Valero Energy Corporation		4,839			0		1,497		3,206		136		0
Cash distributions to unitholders		(15,826)			(4,588)		(3,070)		(7,658)		(510)		0
Distribution equivalent right payments		(3)			(3)		0		0		0		0
Unit-based compensation		41			41		0		0		0		0
Ending balance at Mar. 31, 2015		$ 321,280			$ 376,709		$ 55,418		$ (107,322)		$ (3,525)		$ 0

[1] Prior period financial information as of December 31, 2013 and March 31,2014 has been retrospectively adjusted for the acquisitions of the Texas Crude Systems Business and the Houston and St. Charles Terminal Services Business from Valero Energy Corporation. Prior period financial information as of December 31, 2014 has been retrospectively adjusted for the acquisition of the Houston and St. Charles Terminal Services Business from Valero Energy Corporation. See Notes 1 and 3.

[2] Prior period financial information has been retrospectively adjusted for the acquisitions of the Texas Crude Systems Business and the Houston and St. Charles Terminal Services Business from Valero Energy Corporation. See Notes 1 and 3.

[3] Prior period financial information has been retrospectively adjusted for the acquisition of the Houston and St. Charles Terminal Services Business from Valero Energy Corporation. See Notes 1 and 3.