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Note 18 - Other Comprehensive Income (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Comprehensive Income (Loss) [Table Text Block]
    2012  
 
 
Before tax
   
Tax effect
   
Net of tax
 
Securities available for sale:
 
(In thousands)
 
Net unrealized gains arising during the year
  $ 5,557     $ (2,337 )   $ 3,220  
Reclassification of gains (losses) included in net income
                 
Net unrealized gains arising during the year
    5,557       (2,337 )     3,220  
Post-retirement benefit obligation
    61       (25 )     36  
Other comprehensive income
  $ 5,618     $ (2,362 )   $ 3,256  
    2011  
 
 
Before tax
   
Tax effect
   
Net of tax
 
Securities available for sale:
 
(In thousands)
 
Net unrealized gains arising during the year
  $ 19,282     $ (8,108 )   $ 11,174  
Reclassification of gains (losses) included in net income
                 
Net unrealized gains arising during the year
    19,282       (8,108 )     11,174  
Post-retirement benefit obligation
    61       (25 )     36  
Other comprehensive income
  $ 19,343     $ (8,133 )   $ 11,210  
    2010  
   
Before tax
   
Tax effect
   
Net of tax
 
Securities available for sale:
 
(In thousands)
 
Net unrealized losses arising during the year
  $ (6,197 )   $ 2,606     $ (3,591 )
Reclassification of gains (losses) included in net income
                 
Net unrealized losses arising during the year
    (6,197 )     2,606       (3,591 )
Post-retirement benefit obligation
    61       (25 )     36  
Other comprehensive loss
  $ (6,136 )   $ 2,581     $ (3,555 )
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
 
 
 
 
Post-
retirement
Benefit
Obligation
   
Net
Unrealized
gains(losses)
on securities
   
Cumulative
Other
Comprehensive
Income (Loss)
 
   
(In thousands)
 
 Balance, December 31, 2009
  $ (286 )   $ 4,000     $ 3,714  
Net change
    36       (3,591 )     (3,555 )
Balance, December 31, 2010
    (250 )     409       159  
Net change
    36       11,174       11,210  
Balance, December 31, 2011
    (214 )     11,583       11,369  
Net change
    36       3,220       3,256  
Balance, December 31, 2012
  $ (178 )   $ 14,803     $ 14,625