GOODWILL AND INTANGIBLE ASSETS (Details) (USD $)	9 Months Ended					9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Household Goods Moving Services (ABF Moving)	Dec. 31, 2013 Household Goods Moving Services (ABF Moving)	Sep. 30, 2014 Premium Logistics (Panther)	Dec. 31, 2013 Premium Logistics (Panther)	Sep. 30, 2014 Emergency & Preventative Maintenance (FleetNet)	Apr. 30, 2014 Emergency & Preventative Maintenance (FleetNet)
Goodwill by reportable operating segment
Balance at the beginning of the period	$ 76,448,000	$ 5,352,000	$ 5,352,000	$ 71,096,000	$ 71,096,000
Goodwill acquired	630,000					630,000
Balance at the end of the period	77,078,000	5,352,000	5,352,000	71,096,000	71,096,000	630,000
Goodwill related to acquisition expected to be fully tax deductible							$ 600,000