Organization Nature of Business and Significant Accounting Policies (Details Textual)	3 Months Ended
	Mar. 31, 2013 Segment
Organization Nature of Business and Significant Accounting Policies (Textual) [Abstract]
Number of operating segments	3
LTL [Member]
Organization Nature of Business and Significant Accounting Policies (Textual) [Abstract]
Number of service centers	36
Number of delivery agents	200
TL [Member]
Organization Nature of Business and Significant Accounting Policies (Textual) [Abstract]
Number of service centers	27
Number of consolidation facilities	5
Number of dispatch offices	20
Number of independent agents	71
TMS [Member]
Organization Nature of Business and Significant Accounting Policies (Textual) [Abstract]
Number of service centers	4