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Investment Securities
6 Months Ended
Jun. 30, 2011
Investments, Debt and Equity Securities [Abstract]  
Investment Securities
(3)  Investment Securities

Investment securities as of June 30, 2011 are summarized as follows:
 
      
Gross
  
Gross
    
   
Amortized
  
Unrealized
  
Unrealized
  
Fair
 
   
Cost
  
Gains
  
Losses
  
Value
 
Securities Available for Sale:
            
U.S. Government Agencies Mortgage-Backed
 $307,305  $2,514  $(541) $309,278 
State, County & Municipal
  3,235   19   (54)  3,200 
Corporate Obligations
  2,000   118   (15)  2,103 
Asset-Backed Securities
  479    --   (347)  132 
   $313,019  $2,651  $(957) $314,713 
Securities Held to Maturity:
                
State, County and Municipal
 $47  $--  $(1) $46 

The amortized cost and fair value of investment securities as of June 30, 2011, by contractual maturity, are shown hereafter.  Expected maturities will differ from contractual maturities because issuers have the right to call or prepay obligations with or without call or prepayment penalties.
 
   
Securities
 
   
Available for Sale
  
Held to Maturity
 
   
Amortized Cost
  
Fair Value
  
Amortized Cost
  
Fair Value
 
              
Due After One Year Through Five Years
 $498  $513  $47  $46 
Due After Five Years Through Ten Years
  2,734   2,802   --   -- 
Due After Ten Years
  2,482   2,120   --   -- 
    5,714   5,435   47   46 
                  
Mortgage-Backed Securities
  307,305   309,278   --   -- 
   $313,019  $314,713  $47  $46 

Investment securities as of December 31, 2010 are summarized as follows:

      
Gross
  
Gross
    
   
Amortized
  
Unrealized
  
Unrealized
  
Fair
 
   
Cost
  
Gains
  
Losses
  
Value
 
Securities Available for Sale:
            
U.S. Government Agencies Mortgage-Backed
 $299,019  $1,763  $(2,319) $298,463 
State, County & Municipal
  3,248   35   (27)  3,256 
Corporate Obligations
  2,000   102   (115)  1,987 
Asset-Backed Securities
  479    --   (347)  132 
   $304,746  $1,900  $(2,808) $303,838 
                  
Securities Held to Maturity:
                
State, County and Municipal
 $48  $5  $--  $53 

Proceeds from the sale of investments available for sale during first six months of 2011 totaled $154,560 compared to $136,572 for the first six months of 2010.  The sale of investments available for sale during 2011 resulted in gross realized gains of $1,133 and gross realized losses of $(1) and the sale of investments available for sale during 2010 resulted in gross realized gain of $878 and losses of $0.

Investment securities having a carry value approximating $146,650 and $123,789 as of June 30, 2011 and December 31, 2010, respectively, were pledged to secure public deposits and for other purposes.

Information pertaining to securities with gross unrealized losses at June 30, 2011 and December 31, 2010 aggregated by investment category and length of time that individual securities have been in a continuous loss position, follows:

   
Less Than 12 Months
  
12 Months or Greater
  
Total
 
                    
      
Gross
     
Gross
     
Gross
 
   
Fair
  
Unrealized
  
Fair
  
Unrealized
  
Fair
  
Unrealized
 
   
Value
  
Losses
  
Value
  
Losses
  
Value
  
Losses
 
                    
June 30, 2011
                  
U.S. Government Agencies Mortgage-Backed
 $82,636  $(541) $--  $--  $82,636  $(541)
State, County and Municipal
  2,164   (52)  77   (2)  2,241   (54)
Corporate Obligations
  --   --   985   (15)  985   (15)
Asset-Backed Securities
  --   --   132   (347)  132   (347)
   $84,800  $(593) $1,194  $(364) $85,994  $(957)
                          
December 31, 2010
                        
U.S. Government Agencies Mortgage-Backed
 $152,287  $(2,319) $--  $--  $152,287  $(2,319)
State, County and Municipal
  1,777   (27)  --   --   1,777   (27)
Corporate Obligations
  --   --   885   (115)  885   (115)
Asset-Backed Securities
  --   --   132   (347)  132   (347)
   $154,064  $(2,346) $1,017  $(462) $155,081  $(2,808)

Management evaluates securities for other-than-temporary impairment at least on a quarterly basis, and more frequently when economic or market concerns warrant such evaluation.  Consideration is given to (1) the length of time and the extent to which the fair value has been less than cost, (2) the financial condition and near-term prospects of the issuer and (3) the intent and ability of the Company to retain its investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value.

At June 30, 2011, the debt securities with unrealized losses have depreciated 1.10 percent from the Company's amortized cost basis.    These unrealized losses relate principally to current interest rates for similar types of securities.  In analyzing an issuer's financial condition, management considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred and the results of reviews of the issuer's financial condition.  As management has the ability to hold debt securities until maturity, or for the foreseeable future if classified as available-for-sale, no declines are deemed to be other-than-temporary.