Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Revenue:
Trucking revenue	$ 326,275	$ 297,624
Strategic Capacity Solutions revenue	117,580	111,095
Base revenue	443,855	408,719
Fuel surcharge revenue	111,150	103,709
Total revenue	555,005	512,428
Operating expenses and costs:
Salaries, wages and employee benefits	143,762	142,263
Purchased transportation	139,091	127,949
Fuel and fuel taxes	135,548	131,162
Operations and maintenance	49,494	43,559
Depreciation and amortization	44,947	45,058
Insurance and claims	27,253	20,556
Operating taxes and licenses	5,406	5,504
Communications and utilities	4,117	4,124
Gain on disposal of assets	(1,648)	(2,151)
Other	15,702	17,676
Total operating expenses and costs	563,672	535,700
Operating loss	(8,667)	(23,272)
Other expenses (income):
Interest expense, net	3,662	4,052
Other, net	769	(64)
Total other expenses, net	4,431	3,988
Loss before income taxes	(13,098)	(27,260)
Income tax benefit:
Current	786	0
Deferred	(4,774)	(9,589)
Total income tax benefit	(3,988)	(9,589)
Net loss and Comprehensive loss	$ (9,110)	$ (17,671)
Net loss per share:
Average shares outstanding (Basic) (in Shares)	10,323	10,310
Basic loss per share (in Dollars per share)	$ (0.88)	$ (1.71)
Average shares outstanding (Diluted) (in Shares)	10,323	10,310
Diluted loss per share (in Dollars per share)	$ (0.88)	$ (1.71)