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Note 3 - Accumulated Other Comprehensive Income
 6 Months Ended
Jun. 30, 2017
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
3
.
Accumulated Other Comprehensive Income
 
The following table presents changes in accumulated other comprehensive income by component, net of tax, for the periods indicated.
 
Three Months Ended June 30,
  
2017
    
2016
  
(In thousands)
  
Unrealized
Gains
(
Losses)
on
Available
for
Sale
Investment
Securities
    
Postretirement
Benefit
Obligation
    
Total
    
Unrealized
Gains
(
Losses)
on
Available
for
Sale
Investment
Securities
    
Postretirement
Benefit
Obligation
    
Total
  
Beginning balance
   $
(2,409
 )   $
14
     $
(2,395
 )   $
5,852
     $
(428
 )   $
5,424
  
Other comprehensive income before reclassifications
    
1,329
      
8
      
1,337
      
1,749
      
-
      
1,749
  
Amounts reclassified from accumulated other comprehensive income
    
1
      
1
      
2
      
(85
 )    
9
      
(76
 )
Net current-period other comprehensive income
    
1,330
      
9
      
1,339
      
1,664
      
9
      
1,673
  
Ending balance
   $
(1,079
 )   $
23
     $
(1,056
 )   $
7,516
     $
(419
 )   $
7,097
  
 
Six Months Ended June 30,
  
2017
    
2016
  
(In thousands)
  
Unrealized
Gains
(
Losses)
on
Available
for
Sale
Investment
Securities
    
Postretirement
Benefit
Obligation
    
Total
    
Unrealized
Gains
(
Losses)
on
Available
for
Sale
Investment
Securities
    
Postretirement
Benefit
Obligation
    
Total
  
Beginning balance
   $
(3,363
 )   $
(45
 )   $
(3,408
 )   $
3,219
     $
(437
 )   $
2,782
  
Other comprehensive income before reclassifications
    
2,277
      
17
      
2,294
      
4,436
      
-
      
4,436
  
Amounts reclassified from accumulated other comprehensive income
    
7
      
51
      
58
      
(139
 )    
18
      
(121
 )
Net current-period other comprehensive income
    
2,284
      
68
      
2,352
      
4,297
      
18
      
4,315
  
Ending balance
   $
(1,079
 )   $
23
     $
(1,056
 )   $
7,516
     $
(419
 )   $
7,097
  
 
The following table presents amounts reclassified out of accumulated other comprehensive income by component for the periods indicated. Line items in the statement of income affected by the reclassification are also presented.
 
   
Amount Reclassified from Accumulated Other
Comprehensive Income
    
Affected Line Item in the
Statement Where Net Income is
Presented
   
Three Months Ended
June 30,
    
Six Months Ended
June 30,
      
(In thousands)
  
2017
    
2016
    
2017
    
2016
      
Unrealized gains (losses) on available for sale investment securities
   $
(1
 )   $
131
     $
(10
 )   $
214
    
Investment securities (losses) gains, net
     
-
      
(46
 )    
3
      
(75
 )  
Income tax expense
    $
(1
 )   $
85
     $
(7
 )   $
139
    
Net of tax
                                     
Amortization related to postretirement benefits
                                   
Prior service costs
   $
-
     $
(12
 )   $
(75
 )   $
(25
 )  
Salaries and employee benefits
Actuarial losses
    
(2
 )    
(2
 )    
(3
 )    
(3
 )  
Salaries and employee benefits
     
(2
 )    
(14
 )    
(78
 )    
(28
 )  
Total before tax
     
1
      
5
      
27
      
10
    
Income tax expense
    $
(1
 )   $
(9
 )   $
(51
 )   $
(18
 )  
Net of tax
                                     
Total reclassifications for the period
   $
(2
 )   $
76
     $
(58
 )   $
121
    
Net of tax