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Note 9 - Other Comprehensive Income
 9 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
(
9
)
Other Comprehensive Income
 
The following table illustrates activity within the balances
of accumulated other comprehensive income by component, and is shown for the
nine
months ended
September 30, 2017
and
2016.
 
   
Net unrealized
    
Net unrealized
    
Minimum
    
 
 
 
   
gains on
    
gains (losses)
    
pension
    
 
 
 
   
securities
    
on cash
    
liability
    
 
 
 
(in thousands)
  
available-for-sale
    
flow hedges
    
adjustment
    
Total
  
                                 
Balance at December 31, 201
5
   $
965
     $
(60
 )   $
(273
 )   $
632
  
                                 
Net current period other comprehensive
gain (loss)
   
4,110
      
(301
 )    
-
      
3,809
  
Balance at
September 30, 2016
   $
5,075
     $
(361
 )   $
(273
 )   $
4,441
  
                                 
                                 
Balance at
December 31, 2016
   $
(1,211
 )   $
(16
 )   $
(272
 )   $
(1,499
 )
                                 
Net current period other comprehensive income
gain
   
950
      
38
      
-
      
988
  
Amounts reclassified from other comprehensive income
    
(20
 )    
-
      
-
      
(20
 )
Net current-period other comprehensive income
    
930
      
38
      
-
      
968
  
Balance at
September 30, 2017
   $
(281
 )   $
22
     $
(272
 )   $
(531
 )