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2. Investment Securities (Tables)
9 Months Ended
Sep. 30, 2013
Investment Securities Tables  
Investment securities available for sale

(Dollars in thousands)              
  September 30, 2013
 

Amortized

Cost

 

Gross

Unrealized

Gains

 

Gross

Unrealized

Losses

  Estimated Fair Value
Mortgage-backed securities $ 127,153   1,017   697   127,473
U.S. Government                
sponsored enterprises   22,557   186   9   22,734
State and political subdivisions   147,847   2,313   5,032   145,128
Corporate bonds   3,535   15   63   3,487
Trust preferred securities   1,250   -     -     1,250
Equity securities   748   968   -     1,716
Total $ 303,090   4,499   5,801   301,788
                 
(Dollars in thousands)                
  December 31, 2012
 

Amortized

Cost

 

Gross

Unrealized

Gains

 

Gross

Unrealized

Losses

  Estimated Fair Value
Mortgage-backed securities $ 146,755   1,875   606   148,024
U.S. Government                
sponsored enterprises   18,714   203   80   18,837
State and political subdivisions   118,591   7,171   104   125,658
Corporate bonds   2,571   19   4   2,586
Trust preferred securities   1,250   -     -     1,250
Equity securities   748   720   -     1,468
Total $ 288,629   9,988   794   297,823

 

Current fair value and associated unrealized losses on investments in securities with unrealized losses

(Dollars in thousands)            
  September 30, 2013
  Less than 12 Months   12 Months or More   Total
  Fair Value  

Unrealized

Losses

  Fair Value  

Unrealized

Losses

  Fair Value  

Unrealized

Losses

Mortgage-backed securities $ 45,774   596   10,173   101   55,947   697
U.S. Government                        
sponsored enterprises   1,078   9   -     -     1,078   9
State and political subdivisions   76,195   5,032   -     -     76,195   5,032
Corporate bonds   1,507   63   -     -     1,507   63
Total $ 124,554   5,700   10,173   101   134,727   5,801
                         
(Dollars in thousands)                        
  December 31, 2012
  Less than 12 Months   12 Months or More   Total
  Fair Value  

Unrealized

Losses

  Fair Value  

Unrealized

Losses

  Fair Value  

Unrealized

Losses

Mortgage-backed securities $ 48,126   468   12,913   138   61,039   606
U.S. Government                        
sponsored enterprises   3,402   80   -     -     3,402   80
State and political subdivisions   9,490   104   -     -     9,490   104
Corporate bonds   1,035   4   -     -     1,035   4
Total $ 62,053   656   12,913   138   74,966   794

 

Amortized cost and estimated fair value of investment securities available for sale by contractual maturity
September 30, 2013      
(Dollars in thousands)      
 

Amortized

Cost

 

Estimated Fair

Value

Due within one year $ 2,637   2,670
Due from one to five years   27,480   27,789
Due from five to ten years   118,720   116,014
Due after ten years   26,352   26,126
Mortgage-backed securities   127,153   127,473
Equity securities   748   1,716
Total $ 303,090   301,788