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Other Comprehensive Income
 12 Months Ended
Dec. 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 periods indicated are as follows:
Year ended December 31, 2012
Before Tax Amount
Tax Expense (Benefit)
Net of Tax Amount
Investment securities available-for sale:
 
 
 
Change in net unrealized gain during period
$
(4,648
)
$
(1,829
)
$
(2,819
)
Reclassification adjustment for net gains included in net income
(348
)
(137
)
(211
)
Unamortized premium on available-to-sale securities transferred into held-for-maturity
56

22

34

Defined benefits post-retirement benefit plan:
 
 
 
Change in net actuarial loss
(77
)
(30
)
(47
)
Total other comprehensive loss
$
(5,017
)
$
(1,974
)
$
(3,043
)
Year ended December 31, 2011
Before Tax Amount
Tax Expense (Benefit)
Net of Tax Amount
Investment securities available-for sale:
 
 
 
Change in net unrealized gain during period
$
17,168

$
6,899

$
10,269

Reclassification adjustment for net gains included in net income
(1,544
)
(620
)
(924
)
Unamortized premium on available-to-sale securities transferred into held-for-maturity
389

156

233

Defined benefits post-retirement benefit plan:
 
 
 
Change in net actuarial loss
135

54

81

Total other comprehensive income
$
16,148

$
6,489

$
9,659

Year ended December 31, 2010
Before Tax Amount
Tax Expense (Benefit)
Net of Tax Amount
Investment securities available-for sale:
 
 
 
Change in net unrealized gain during period
$
(8,438
)
$
(2,989
)
$
(5,449
)
Reclassification adjustment for net gains included in net income
(170
)
(60
)
(110
)
Unamortized premium on available-to-sale securities transferred into held-for-maturity
722

256

466

Defined benefits post-retirement benefit plan:
 
 
 
Change in net actuarial loss
(940
)
(333
)
(607
)
Total other comprehensive loss
$
(8,826
)
$
(3,126
)
$
(5,700
)


The components of accumulated other comprehensive income, net of income taxes, are as follows:
Year ended December 31,
2012
 
2011
Net unrealized gain on investment securities available-for-sale
$
17,537

 
$
20,533

Net actuarial loss on defined benefit post-retirement benefit plans
(1,546
)
 
(1,499
)
Net accumulated other comprehensive income
$
15,991

 
$
19,034