Summary of Significant Accounting Policies (Schedule of Estimated Useful Life - Property, Plant, and Equipment) (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) Rate
Building And Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	30 years
Salvage value percentage | Rate	0.00%
Tractors [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	80 months
Trailers [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	12 years
Service and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Salvage value percentage | Rate	0.00%
Minimum | Tractors [Member]
Property, Plant and Equipment [Line Items]
Salvage value	$ 0
Minimum | Trailers [Member]
Property, Plant and Equipment [Line Items]
Salvage value	$ 1,000
Minimum | Service and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Maximum | Tractors [Member]
Property, Plant and Equipment [Line Items]
Salvage value	$ 10,000
Maximum | Trailers [Member]
Property, Plant and Equipment [Line Items]
Salvage value	$ 6,000
Maximum | Service and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years