Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 460,157	$ 406,691
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(138,906)	(115,041)
Property, Plant and Equipment, Net	321,251	291,650
Depreciation	25,700	18,900	$ 15,800
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	33,052	31,549
Pipelines and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	247,792	207,027
Terminals and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	118,451	112,503
Asphalt plant, terminals and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	27,356	24,459
Wholesale facilities and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 33,506	$ 31,153