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Note 11 - Revenue and Business Segments (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

Three Months

 
   

Ended March 31,

 

(In thousands)

 

2020

   

2019

 

Operating revenue:

               

Truckload revenue, net of fuel surcharge revenue

  $ 83,857     $ 80,167  

Truckload fuel surcharge revenue

    11,275       11,555  

Total Truckload revenue

    95,132       91,722  
                 

Dedicated revenue, net of fuel surcharge revenue

    64,159       48,924  

Dedicated fuel surcharge revenue

    10,878       8,801  

Total Dedicated revenue

    75,037       57,725  
                 

Intermodal revenue, net of fuel surcharge revenue

    20,594       19,755  

Intermodal fuel surcharge revenue

    3,086       3,216  

Total Intermodal revenue

    23,680       22,971  
                 

Brokerage revenue

    24,797       26,605  

Total operating revenue

  $ 218,646     $ 199,023  
                 

Operating income:

               

Truckload

  $ 6,785     $ 7,555  

Dedicated

    8,533       5,515  

Intermodal

    1,306       2,394  

Brokerage

    1,408       2,269  

Total operating income

  $ 18,032     $ 17,733