Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue:
Trucking revenue	$ 71,951	$ 77,790	$ 219,733	$ 245,974
Strategic Capacity Solutions revenue	23,336	18,389	67,185	47,829
Intermodal revenue	5,037	6,464	14,749	16,966
Base revenue	100,324	102,643	301,667	310,769
Fuel surcharge revenue	24,092	27,494	75,990	82,438
Total revenue	124,416	130,137	377,657	393,207
Operating expenses and costs:
Salaries, wages and employee benefits	36,276	34,423	106,507	102,229
Fuel and fuel taxes	31,443	33,397	96,780	104,456
Purchased transportation	31,373	32,213	93,626	89,073
Depreciation and amortization	11,237	12,390	33,571	37,491
Operations and maintenance	10,961	11,650	32,471	31,942
Insurance and claims	5,310	5,581	15,573	17,145
Operating taxes and licenses	1,288	1,345	4,184	4,118
Communications and utilities	969	1,103	3,049	3,136
Gain on disposal of assets, net	(490)	(648)	(1,756)	(2,904)
Other	4,574	4,542	13,142	13,350
Total operating expenses and costs	132,941	135,996	397,147	400,036
Operating loss	(8,525)	(5,859)	(19,490)	(6,829)
Other expenses (income):
Interest expense	1,034	877	3,043	2,440
Other, net	(32)	(174)	(155)	(210)
Total other expenses, net	1,002	703	2,888	2,230
Loss before income taxes	(9,527)	(6,562)	(22,378)	(9,059)
Income tax benefit	(3,455)	(2,257)	(7,947)	(2,636)
Net loss	$ (6,072)	$ (4,305)	$ (14,431)	$ (6,423)
Net loss per share information:
Average shares outstanding (Basic) (in Shares)	10,312	10,294	10,310	10,304
Basic loss per share (in Dollars per share)	$ (0.59)	$ (0.42)	$ (1.40)	$ (0.62)
Average shares outstanding (Diluted) (in Shares)	10,312	10,294	10,310	10,304
Diluted loss per share (in Dollars per share)	$ (0.59)	$ (0.42)	$ (1.40)	$ (0.62)