Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue:
Trucking revenue	$ 80,207	$ 79,793
Strategic Capacity Solutions revenue	37,404	25,094
Base revenue	117,611	104,887
Fuel surcharge revenue	27,878	27,140
Total revenue	145,489	132,027
Operating expenses and costs:
Purchased transportation	41,250	30,478
Salaries, wages and employee benefits	35,839	35,567
Fuel and fuel taxes	33,003	35,595
Operations and maintenance	13,062	11,508
Depreciation and amortization	11,455	10,915
Insurance and claims	5,984	5,389
Operating taxes and licenses	1,446	1,007
Communications and utilities	1,039	1,086
Gain on disposal of assets, net	(343)	(389)
Other	3,797	3,698
Total operating expenses and costs	146,532	134,854
Operating loss	(1,043)	(2,827)
Other expenses (income):
Interest expense	711	837
Other, net	429	(54)
Total other expenses, net	1,140	783
Loss before income taxes	(2,183)	(3,610)
Income tax expense (benefit)	(594)	(1,136)
Net loss and Comprehensive loss	$ (1,589)	$ (2,474)
Per share information:
Average shares outstanding (Basic) (in Shares)	10,339	10,305
Basic loss per share (in Dollars per share)	$ (0.15)	$ (0.24)
Average shares outstanding (Diluted) (in Shares)	10,339	10,305
Diluted loss per share (in Dollars per share)	$ (0.15)	$ (0.24)