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Fair Value Measurement
9 Months Ended
Sep. 30, 2011
Fair Value Measurement [Abstract] 
Fair Value Measurement
(9) Fair Value Measurement
The Corporation uses a fair value hierarchy to measure fair value. The topic describes three levels of inputs that may be used to measure fair value. Level 1: Quoted prices for identical assets in active markets that are identifiable on the measurement date; Level 2: Significant other observable inputs, such as quoted prices for similar assets, quoted prices in markets that are not active and other inputs that are observable or can be corroborated by observable market data; Level 3: Significant unobservable inputs that reflect the Corporation’s own view about the assumptions that market participants would use in pricing an asset.
Securities: The fair values of securities available for sale are determined by matrix pricing, which is a mathematical technique widely used in the industry to value debt securities without relying exclusively on quoted prices for the specific securities, but rather by relying on the securities’ relationship to other benchmark quoted securities (Level 2 inputs). Management uses significant unobservable inputs to determine the fair value of one security (Level 3 inputs).
Equity securities: The fair values of equity securities available for sale are determined by review of quoted prices for the specific securities, when available (Level 1 inputs).
Impaired loans: The fair values of impaired loans are determined using the fair values of collateral for collateral dependent loans. The Corporation uses appraisals and other available data to estimate the fair value of collateral (Level 3 inputs).
Other real estate owned: The fair value of other real estate owned is determined using the fair value of collateral. The Corporation uses appraisals and other available data to estimate the fair value of collateral (Level 3 inputs).
Assets measured at fair value are summarized below.
                         
    Fair Value Measurements at September 30, 2011 Using:  
    Quoted Prices in             Significant  
    Active Markets for     Significant Other     Unobservable  
    Identical Assets     Observable Inputs     Inputs  
    (Level 1)     (Level 2)     (Level 3)  
Assets:
                       
 
                       
Assets measured at fair value on a recurring basis:
                       
 
                       
U.S. Treasury securities and obligations of U.S. Government agencies
  $     $ 52,031     $  
Obligations of states and political subdivisions
          65,934       526  
Mortgage-backed securities in government sponsored entities
          90,541        
Equity securities in financial institutions
    676              
 
                       
Assets measured at fair value on a nonrecurring basis:
                       
 
                       
Impaired loans
  $     $     $ 20,744  
Other real estate owned
                1,080  
                         
    Fair Value Measurements at December 31, 2010 Using:  
    Quoted Prices in             Significant  
    Active Markets for     Significant Other     Unobservable  
    Identical Assets     Observable Inputs     Inputs  
    (Level 1)     (Level 2)     (Level 3)  
Assets:
                       
 
                       
Assets measured at fair value on a recurring basis:
                       
 
                       
U.S. Treasury securities and obligations of U.S. Government agencies
  $     $ 55,707     $  
Obligations of states and political subdivisions
          59,909       560  
Mortgage-backed securities in government sponsored agencies
          68,100        
Equity securities in financial institutions
    676              
 
                       
Assets measured at fair value on a nonrecurring basis:
                       
 
                       
Impaired loans
  $     $     $ 15,310  
Other real estate owned
          1,795        
The following table presents the changes in the Level 3 fair-value category for the period ended September 30, 2011. The Corporation classifies financial instruments in Level 3 of the fair value hierarchy when there is reliance on at least one significant unobservable input to the valuation model. In addition to the unobservable inputs, the valuation models for Level 3 financial instruments typically also rely on a number of inputs that are readily observable, either directly or indirectly.
         
Securities available for sale
       
 
Beginning balance January 1, 2011
  $ 560  
Principal payments
    (34 )
 
     
Ending balance September 30, 2011
  $ 526  
The carrying amount and fair values of financial instruments not previously presented were as follows.
                                 
    September 30, 2011     December 31, 2010  
    Carrying             Carrying        
    Amount     Fair Value     Amount     Fair Value  
Financial Assets:
                               
Cash and due from financial institutions
  $ 85,749     $ 85,749     $ 79,030     $ 79,030  
Other securities
    15,388       15,388       15,344       15,344  
Loans, available for sale
    483       483              
Loans, net of allowance for loan losses
    755,564       769,402       745,555       763,768  
Accrued interest receivable
    5,061       5,061       4,382       4,382  
 
                               
Financial Liabilities:
                               
Deposits
    911,762       914,474       892,463       895,950  
Federal Home Loan Bank advances
    70,303       73,369       50,327       53,162  
U.S. Treasury interest-bearing demand note payable
    2,339       2,339       2,008       2,008  
Securities sold under agreement to repurchase
    19,283       19,283       21,842       21,842  
Subordinated debentures
    29,427       21,059       29,427       15,883  
Accrued interest payable
    344       344       362       362  
The fair value approximates carrying amount for all items except those described below. The fair value for securities is based on quoted market values for the individual securities or for equivalent securities. For fixed rate loans or deposits and for variable rate loans or deposits with infrequent repricing or repricing limits, fair value is based on discounted cash flows using current market rates applied to the cash flow analysis or underlying collateral values. Fair value of debt is based on current rates for similar financing. The fair value of off-balance-sheet items is based on the current fees or cost that would be charged to enter into or terminate such arrangements and are considered nominal.
For certain homogeneous categories of loans, such as some residential mortgages, credit card receivables, and other consumer loans, fair value is estimated using the quoted market prices for securities backed by similar loans, adjusted for differences in loan characteristics. The fair value of other types of loans is estimated by discounting the future cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings and for the same remaining maturities.