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Other Comprehensive Income
3 Months Ended
Mar. 31, 2012
Equity [Abstract]  
Other Comprehensive Income
Other Comprehensive Income

The gross amounts of each component of other comprehensive income and the related tax effects are as follows:
 
Before Tax Amount
Tax Expense (Benefit)
Net of Tax Amount
Three months ended March 31, 2012:
 
 
 
Investment securities available-for sale:
 
 
 
Change in net unrealized gain during period
$
755

$
296

$
459

Reclassification adjustment for net gains included in net income
(31
)
(12
)
(19
)
Defined benefits post-retirement benefit plan:
 
 
 
Change in net actuarial loss
33

13

20

Total other comprehensive income
$
757

$
297

$
460

 
 
 
 
Three months ended March 31, 2011:
 
 
 
Investment securities available-for sale:
 
 
 
Change in net unrealized gain during period
$
417

$
163

$
254

Reclassification adjustment for net gains included in net income
(2
)

(2
)
Defined benefits post-retirement benefit plan:
 
 
 
Change in net actuarial loss
35

14

21

Total other comprehensive income
$
450

$
177

$
273


The components of accumulated other comprehensive income, net of income taxes, are as follows:
 
March 31,
2012
 
December 31,
2011
Net unrealized gain on investment securities available-for-sale
$
20,973

 
$
20,533

Net actuarial loss on defined benefit post-retirement benefit plans
(1,479
)
 
(1,499
)
Net accumulated other comprehensive income
$
19,494

 
$
19,034