Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 595,895		$ 595,895		$ 576,056
Accumulated depreciation	(179,563)		(179,563)		(157,328)
Property, plant and equipment, net, excluding construction in progress	416,332		416,332		418,728
Property, plant and equipment, net	422,006		422,006		430,141
Depreciation	10,300	$ 8,700	28,600	$ 24,900
Land and Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	34,863		34,863		38,454
Pipelines and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	261,574		261,574		241,222
Terminals and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	242,932		242,932		237,234
Asphalt plant, terminals and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	26,805		26,805		26,898
Wholesale and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	29,721		29,721		32,248
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 5,674		$ 5,674		$ 11,413