Summary of Significant Accounting Policies (Schedule of Estimated Useful Life) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Building And Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	30 years
Salvage value percentage	0.00%
Tractors [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	80 months
Salvage value percentage	0.00%
Trailers [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	12 years
Salvage value	$ 1,000
Service and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Salvage value percentage	0.00%
Minimum | Service and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years	3
Maximum | Service and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years