Summary Of Significant Accounting Policies (Estimated Useful Lives Of Property And Equipment) (Details)	9 Months Ended
	Sep. 30, 2014
Site Development [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	15 years
Terminal [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	13 years
Minimum [Member] | Machinery [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Minimum [Member] | Other Property And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Maximum [Member] | Machinery [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	13 years
Maximum [Member] | Other Property And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years