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Note 25 - Captive Insurance Company (Tables)
 12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Unpaid Losses and Loss Adjustments [Table Text Block]
   
201
8
    
201
7
  
Balance at the beginning of the year
   $
18,965
     $
19,515
  
Incurred related to:
                
Current year
    
5,236
      
5,915
  
Prior years
    
(2,653
 )    
(727
 )
Total incurred
    
2,583
      
5,188
  
Paid related to:
                
Current year
    
(683
 )    
(742
 )
Prior years
    
(4,735
 )    
(4,996
 )
Total paid
    
(5,418
 )    
(5,738
 )
Balance at the end of the year
   $
16,130
     $
18,965