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Note 5 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]

(in thousands)

 

Estimated Useful Lives (Years)

  

2020

  

2019

 

Revenue equipment

  3 - 10  $435,865  $588,828 

Communications equipment

  5 - 10   5,492   6,189 

Land and improvements

  0 - 15   16,602   23,398 

Buildings and leasehold improvements

  7 - 40   57,308   75,471 

Construction in-progress

  -   695   400 

Other

  2 - 10   25,314   31,097 
      $541,276  $725,383