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Note 12 - Other Comprehensive Income (Loss) (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
   
Net unrealized
   
Net unrealized
   
Minimum
   
 
 
 
   
gains (losses)
   
gains (losses)
   
pension
   
 
 
 
   
on securities
   
on cash
   
liability
   
 
 
 
(In thousands)
 
available for sale
   
flow hedges
   
adjustment
   
Total
 
                                 
Balance at December 31, 2015
  $
965
    $
(60
)   $
(273
)   $
632
 
                                 
Other comprehensive (loss) income before reclassifications
   
(2,176
)    
44
     
1
     
(2,131
)
Amounts reclassified from accumulated other comprehensive income
   
     
     
     
 
                                 
Net current period other comprehensive (loss) income
   
(2,176
)    
44
     
1
     
(2,131
)
Balance at December 31, 2016
  $
(1,211
)   $
(16
)   $
(272
)   $
(1,499
)
                                 
Other comprehensive (loss) income before reclassifications
   
(721
)    
209
     
(70
)    
(582
)
Amounts reclassified from accumulated other comprehensive income
   
151
     
     
     
151
 
Net current period other comprehensive (loss) income
   
(570
)    
209
     
(70
)    
(431
)
Balance at December 31, 2017 (1)
  $
(1,781
)   $
193
    $
(342
)   $
(1,930
)
                                 
Other comprehensive income (loss) before reclassifications
   
(3,053
)    
174
     
173
     
(2,706
)
Amounts reclassified from accumulated other comprehensive income
   
     
     
     
 
Net current period other comprehensive income (loss)
   
(3,053
)    
174
     
173
     
(2,706
)
Reclassification adjustment for adoption of ASU 2018-02
   
(496
)    
41
     
(51
)    
(506
)
                                 
Balance at December 31, 2018
  $
(5,330
)   $
408
    $
(220
)   $
(5,142
)
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Details
of accumulated
 
 
 
 
 
 
 
 
 
 
 
 
Affected line item in
o
ther
c
omprehensive
 
A
mount reclassified from
a
ccumulated
 
the c
onsolidated
i
ncome (
l
oss)
c
omponents
 
o
ther
c
omprehensive
i
ncome (
l
oss)
 
s
tatements of
i
ncome
                           
   
For the years ended December 31,
   
(In thousands)
 
2018
   
2017
   
2016
   
Unrealized gains (losses) on securities available for sale:
                         
Realized loss on sale of available for sale securities
  $     $
(232
)   $  
Loss on sale of securities
Effect of income taxes
         
81
       
Income tax expense
Reclassifications, net of income taxes
  $     $
(151
)   $