Note 17 - Business Segments (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

(Dollars in thousands)	201 7		201 6		201 5
Operating revenue:
Truckload revenue, net of fuel surcharge revenue	$	336,596	$	339,967	$	348,101
Truckload fuel surcharge revenue		43,614		35,884		50,260
Total Truckload revenue		380,210		375,851		398,361
Dedicated revenue, net of fuel surcharge revenue		153,691		147,007		107,264
Dedicated fuel surcharge revenue		13,190		10,363		11,008
Total Dedicated revenue		166,881		157,370		118,272
Intermodal revenue, net of fuel surcharge revenue		70,282		64,508		65,877
Intermodal fuel surcharge revenue		10,339		6,982		11,081
Total Intermodal revenue		80,621		71,490		76,958
Brokerage revenue		70,408		66,433		71,403
Total operating revenue	$	698,120	$	671,144	$	664,994
Operating income:
Truckload	$	26,326	$	27,438	$	35,517
Dedicated		17,074		19,550		12,818
Intermodal		8,303		7,131		4,832
Brokerage		5,159		4,184		3,792
Total operating income before gain on disposition of facilities		56,862		58,303		56,959
Gain on disposition of facilities		-		-		4,104
Total operating income	$	56,862	$	58,303	$	61,063