Property, Plant and Equipment, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 202,693		$ 202,606
Accumulated depreciation	(69,533)		(66,289)
Property, Plant and Equipment, Net, Excluding Construction in Progress	133,160		136,317
Construction in progress	15,274		9,301
Property, plant and equipment, net	148,434		145,618
Depreciation and amortization	3,244	2,930
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	5,428		5,428
Pipelines and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	71,058		71,103
Terminals and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	103,493		103,361
Asphalt plant, terminals and related assets
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 22,714		$ 22,714