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Note 16 - Components of Accumulated Other Comprehensive Income (Loss)
 12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
Note
1
6
:
Components of Accumulated Other Comprehensive Income
(Loss)
The following table summarizes the activity related to each component of accumulated other comprehensive income (loss):
 
   
Net Unrealized
Gain (Loss) on
Securities
  
Adjustments Related
to Pension Benefits
  
Accumulated Other
Comprehensive
Income (Loss)
Balance at December 31, 201
5
   $
(2,667
)
   $
(5,270
)
   $
(7,937
)
Unrealized holding loss on available for sale securities net of tax of ($431)
    
(800
)
    
---
      
(800
 )
Reclassification adjustment, net of tax of ($65)
    
(121
)
    
---
      
(121
)
Net pension gain, net of tax of $132
    
---
      
271
      
271
  
Less amortization of prior service cost included in net periodic pension cost, net of tax of ($38)
    
---
      
(72
)
    
(72
)
Balance at December 31, 201
6
   $
(3,588
)
   $
(5,071
)
   $
(8,659
)
Unrealized holding gain on available for sale securities net of tax of $296
    
546
      
---
      
546
  
Reclassification adjustment, net of tax of ($4)
    
(6
)
    
---
      
(6
)
Net pension gain, net of tax of $115
    
---
      
213
      
213
  
Less amortization of prior service cost included in net periodic pension cost, net of tax of ($38)
    
---
      
(71
)
    
(71
)
Reclassification of stranded tax effects from change in tax rate
    
(656
)
    
(1,062
)
    
(1,718
)
Balance at December 31, 201
7
   $
(3,704
)
   $
(5,991
)
   $
(9,695
)
Unrealized holding loss on available for sale securities net of tax of ($595)
    
(2,246
)
    
---
      
(2,246
)
Transfer from held-to-maturity to available-for-sale securities, net of tax of $237
    
891
      
---
      
891
  
Reclassification adjustment, net of tax of ($4)
    
(13
)
    
---
      
(13
)
Net pension loss, net of tax of ($249)
    
---
      
(936
)
    
(936
)
Less amortization of prior service cost included in net periodic pension cost, net of tax of ($24)
    
---
      
(86
)
    
(86
)
Balance at December 31, 201
8
  
$
(5,072
)
  
$
(7,013
)
  
$
(12,085
)
 
The following table provides information regarding reclassifications out of accumulated other comprehensive income (loss) for the years ended
December 31, 2018,
2017
and
2016:
 
   
December 31,
   
201
8
  
2017
  
2016
Component of Accumulated Other Comprehensive Income
(Loss)
  
 
 
 
  
 
 
 
  
 
 
 
Reclassification out of unrealized gains and losses on available-for-sale securities:
                        
Realized securities gain, net
  
$
(17
)
   $
(10
)
   $
(186
)
Income tax benefit
  
 
(4
)
    
(4
)
    
(65
)
Realized gain on available-for-sale securities, net of tax, reclassified out of accumulated other comprehensive income (loss)
  
$
(13
)
   $
(6
)
   $
(121
)
Amortization of defined benefit pension items:
                        
Prior service costs
(1)
  
$
(110
)
   $
(109
)
   $
(110
)
Income tax benefit
  
 
(24
)
    
(38
)
    
(38
)
Amortization of defined benefit pension items, net of tax, reclassified out of accumulated other comprehensive income (loss)
  
$
(86
)
   $
(71
)
   $
(72
)
 
 
(
1
)
This accumulated other comprehensive income (loss) component is included in the computation of net periodic benefit cost. (For additional information, see Note
8,
"Employee Benefit Plans.")