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Fair Value of Financial Instruments
6 Months Ended
Jun. 30, 2012
Fair Value of Financial Instruments

(2)    Fair Value of Financial Instruments

The fair value of certain of the Company’s financial instruments, including cash and cash equivalents, trade receivables and accounts payable, approximates their respective carrying amounts due to their short-term maturity.

The fair value of available-for-sale (AFS) securities is based on market prices using the following measurement categories:

Level 1 – Fair value is determined by using quoted prices in active markets for identical investments. AFS securities that are included in this category are primarily a mutual fund and equity securities.

Level 2 – Fair value is determined by using other than quoted prices. By using observable inputs (for example, benchmark yields, interest rates, reported trades and broker dealer quotes), the fair value is determined through processes such as benchmark curves, benchmarking of like securities and matrix pricing of corporate and municipal bonds by using pricing of similar bonds based on coupons, ratings and maturities. In addition, the value of collateralized mortgage obligation securities is determined by using models to develop prepayment and interest rate scenarios for these securities which have prepayment features. AFS securities that are included in this category are primarily debt securities (tax exempt and taxable bonds).

Level 3 – Fair value is determined by using other than observable inputs. Fair value is determined by using the best information available in the circumstances and requires significant management judgment or estimation. No AFS securities are currently included in this category.

Following is a summary of fair value measurements for AFS securities as of June 30, 2012 and December 31, 2011:

 

    

Fair

Value

     Level 1      Level 2      Level 3      
     (Amounts are in thousands)    

June 30, 2012

   $ 4,806,054         543,711         4,262,343         ---       

December 31, 2011

     4,253,255         473,099         3,780,156         ---