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COMPREHENSIVE INCOME (Tables)
6 Months Ended
Jun. 30, 2012
COMPREHENSIVE INCOME [Abstract]  
Components of Other Comprehensive Income
The following tables present the components of other comprehensive income and the related tax effects allocated to each component for the periods indicated:
 
 
 
   
Three months ended June 30,
 
   
2012
  
2011
 
   
Before
 
Tax
  
Net
  
Before
 
Tax
  
Net
 
   
tax
  
(expense)
  
of tax
  
tax
  
(expense)
  
of tax
 
   
amount
  
benefit
  
amount
  
amount
  
benefit
  
amount
 
 Net unrealized gains on available-for-sale securities:   
 Unrealized gains arising during holding period
 $8,404  $(3,219) $5,185  $46,461  $(17,781) $28,680 
 Less:  Reclassification adjustment for
   net gains realized in net income
  (177)  68   (109)  (10,045)  3,842   (6,203)
Recognized employee benefit plan
                        
  net periodic benefit cost
  1,192   (798)  394   633   (242)  391 
Other comprehensive income
 $9,419  $(3,949) $5,470  $37,049  $(14,181) $22,868 
Net income
          20,624           12,826 
Comprehensive income
         $26,094          $35,694 
 
   
Six months ended June 30,
 
   
2012
  
2011
 
   
Before
 
Tax
  
Net
  
Before
 
Tax
  
Net
 
   
tax
  
(expense)
  
of tax
  
tax
  
(expense)
  
of tax
 
   
amount
  
benefit
  
amount
  
amount
  
benefit
  
amount
 
Net unrealized gains on available-for- sale securities:   
Unrealized gains arising during holding period
 $3,698  $(1,420) $2,278  $42,417  $(16,244) $26,173 
Less:  Reclassification adjustment for
   net gains realized in net income
  (251)  96   (155)  (10,062)  3,849   (6,213)
Recognized employee benefit plan
    net periodic benefit cost
  2,384   (912)  1,472   1,266   (484)  782 
Other comprehensive income
 $5,831  $(2,236) $3,595  $33,621  $(12,879) $20,742 
Net income
          43,490           12,332 
Comprehensive income
         $47,085          $33,074