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Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2012
Fair Value of Financial Instruments [Abstract]  
Fair Value of Financial Instruments
(19)
Fair Values of Financial Instruments
 
The following methods and assumptions were used by the Company in estimating its fair value disclosures for financial instruments:
 
Cash and Cash Equivalents
 
The carrying amounts reported in the consolidated balance sheets for cash and short-term instruments are a reasonable estimate of fair value. The carrying amount is a reasonable estimate of fair value because of the relatively short term between the origination of the instrument and its expected realization. Therefore, the Company believes the measurement of fair value of cash and cash equivalents is derived from Level 1 inputs.
 
Other Equity Securities
 
The carrying amounts reported in the consolidated balance sheets approximate fair value as the shares can only be redeemed by the issuing institution. The Company believes the measurement of the fair value of other equity securities is derived from Level 2 inputs.
 
Loans Receivable
 
For variable-rate loans that reprice frequently and with no significant change in credit risk, fair values are based on carrying values. The fair values for other loans (e.g., commercial real estate and rental property mortgage loans, commercial and industrial loans, and agricultural loans) are estimated using discounted cash flow analyses, using interest rates currently being offered for loans with similar terms to borrowers of similar credit quality. The allowance for loan losses is considered to be a reasonable estimate of loan discount due to credit risks. Given that there are loans with specific terms that are not readily available, the Company believes the fair value of loans receivable is derived from Level 3 inputs.
 
Loans Held-for-Sale
 
For loans held for sale, carrying value approximates fair value. See Note 8, Fair Value Measurement.
 
Interest Receivable and Payable
 
The carrying amount of interest receivable and payable approximates its fair value. The Company believes the measurement of the fair value of interest receivable and payable is derived from Level 3 inputs.
 
Deposit Liabilities
 
The Company measures fair value of deposits using Level 2 and Level 3 inputs. The fair value of deposits were derived by discounting their expected future cash flows back to their present values based on the FHLB yield curve, and their expected decay rates for non maturing deposits. The Company is able to obtain FHLB yield curve rates as of the measurement date, and believes these inputs fall under Level 2 of the fair value hierarchy. Decay rates were developed through internal analysis, and are supported by recent years of the Bank's transaction history. The inputs used by the Company to derive the decay rate assumptions are unobservable inputs, and therefore fall under Level 3 of the fair value hierarchy.
 
FHLB Advances and Other Borrowings
 
The fair values of borrowed funds were estimated by discounting future cash flows related to these financial instruments using current market rates for financial instruments with similar characteristics. The Company believes the measurement of the fair value of FHLB advances and other borrowings is derived from Level 2 inputs.
 
Limitations
 
Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Company's entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Company's financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect the estimates.
 
Fair value estimates are based on existing on-and off-balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Other significant assets and liabilities that are not considered financial assets or liabilities include deferred tax liabilities and premises and equipment. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in many of the estimates.
 
The estimated fair values of the Company's financial instruments for the years ended December 31 are approximately as follows:
 
      
2012
  
2011
 
   
Level
  
Carrying amount
  
Fair
value
  
Carrying amount
  
Fair
value
 
                 
Financial assets:
               
Cash and cash equivalents
  1  $161,359  $161,359  $140,172  $140,172 
Other equity securities
  2   3,607   3,607   3,075   3,075 
Loans receivable:
                    
Net loans
  3   440,449   437,818   432,789   430,071 
Loans held-for-sale
  2   4,559   4,704   2,832   2,917 
Interest receivable
  3   2,542   2,542   2,710   2,710 
Financial liabilities:
                    
Deposits
  3   730,811   720,690   678,958   671,399 
FHLB advances and other borrowings
  2         7,000   7,070 
Interest payable
  3   94   94   134   134