Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Millions		1 Months Ended		3 Months Ended										12 Months Ended
	Mar. 11, 2016 shares	Jan. 31, 2016 USD ($) Terminal $ / shares	Jul. 31, 2014 shares	Dec. 31, 2015 $ / shares	Sep. 30, 2015 $ / shares	Jun. 30, 2015 $ / shares	Mar. 31, 2015 $ / shares	Dec. 31, 2014 $ / shares	Sep. 30, 2014 $ / shares	Jun. 30, 2014 $ / shares	Mar. 31, 2014 $ / shares	Dec. 31, 2013 $ / shares	[1]	Dec. 31, 2015
Subsequent Event [Line Items]
Total distribution per unit				$ 0.4400	$ 0.4400	$ 0.4250	$ 0.4100	$ 0.4100	$ 0.4100	$ 0.4000	$ 0.3875	$ 0.2064
Change in cash distribution percentage								7.30%
Cash distribution payment date				Feb. 12, 2016	Nov. 13, 2015	Aug. 14, 2015	May 15, 2015	Feb. 17, 2015	Nov. 17, 2014	Aug. 18, 2014	May 16, 2014	Feb. 18, 2014
Cash distribution date of record				Feb. 08, 2016	Nov. 09, 2015	Aug. 10, 2015	May 11, 2015	Feb. 09, 2015	Nov. 10, 2014	Aug. 11, 2014	May 09, 2014	Feb. 10, 2014
Percentage of adjusted EBITDA associated with LNG interest														23.00%
Percentage of distributable cash flow associated with LNG interest														30.00%
Phantom Units
Subsequent Event [Line Items]
Number of shares granted under the plan | shares			939,500
Quarterly Distribution [Member]
Subsequent Event [Line Items]
Total distribution per unit								$ 0.41
Annual Distribution [Member]
Subsequent Event [Line Items]
Total distribution per unit								$ 1.64
Subsequent Event [Member]
Subsequent Event [Line Items]
Cash distribution, declaration month and year		2016-01
Cash distribution, total amount | $		$ 8.5
Cash distribution payment date		Feb. 12, 2016
Cash distribution date of record		Feb. 08, 2016
Subsequent Event [Member] | Phantom Units
Subsequent Event [Line Items]
Number of shares granted under the plan | shares	90,500
Subsequent Event [Member] | Pennsylvania Terminals [Member]
Subsequent Event [Line Items]
Number of terminals acquired | Terminal		4
Acquisition price of petroleum products terminals | $		$ 8.0
Initial term of take or pay terminal services		2 years
Subsequent Event [Member] | Quarterly Distribution [Member]
Subsequent Event [Line Items]
Total distribution per unit		$ 0.44
Subsequent Event [Member] | Annual Distribution [Member]
Subsequent Event [Line Items]
Total distribution per unit		$ 1.76

[1] Initial pro rata cash distribution, prorated for the period from November 13, 2013 to December 31, 2013.