Note 12 - Business Segments (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months				Six Months
	Ended June 30,				Ended June 30,
(Dollars in thousands)	2017		2016		2017		2016
Operating revenue:
Truckload revenue, net of fuel surcharge revenue	$	84,480	$	85,103	$	169,291	$	168,045
Truckload fuel surcharge revenue		10,434		8,933		21,281		16,045
Total Truckload revenue		94,914		94,036		190,572		184,090
Dedicated revenue, net of fuel surcharge revenue		38,601		36,654		75,500		72,164
Dedicated fuel surcharge revenue		2,901		2,621		6,279		4,208
Total Dedicated revenue		41,502		39,275		81,779		76,372
Intermodal revenue, net of fuel surcharge revenue		16,877		16,118		33,688		31,972
Intermodal fuel surcharge revenue		2,238		1,664		4,613		3,011
Total Intermodal revenue		19,115		17,782		38,301		34,983
Brokerage revenue		15,980		14,997		34,018		32,574
Total operating revenue	$	171,511	$	166,090	$	344,670	$	328,019
Operating income:
Truckload	$	7,511	$	6,951	$	13,485	$	13,891
Dedicated		5,074		5,134		9,561		9,458
Intermodal		2,040		1,822		4,189		3,751
Brokerage		944		869		2,272		1,801
Total operating income	$	15,569	$	14,776	$	29,507	$	28,901