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Derivative Financial Instruments
 12 Months Ended
Dec. 31, 2011
Derivative Financial Instruments [Abstract]  
Derivative Financial Instruments

(21) DERIVATIVE FINANCIAL INSTRUMENTS

The Company enters into oil and gas swaps and options contracts to accommodate the business needs of its customers. Upon the origination of an oil or gas swap or option contract with a customer, the Company simultaneously enters into an offsetting contract with a counterparty to mitigate the exposure to fluctuations in oil and gas prices. These derivatives are not designated as hedged instruments and are recorded on the Company's consolidated balance sheet at fair value.

 

The Company utilizes dealer quotations and observable market data inputs to substantiate internal valuation models. The notional amounts and estimated fair values of oil and gas derivative positions outstanding are presented in the following table:

 

                                         
            December 31,  
            2011     2010  

Oil and Natural Gas Swaps and Options

    Notional Units      Notional
Amount		     Estimated
Fair
Value		     Notional
Amount		     Estimated
Fair
Value		  
     (Notional amounts and dollars in thousands)  
Oil                                          

Derivative assets

      Barrels         454      $ 4,693        372      $ 5,417   

Derivative liabilities

      Barrels         (454 )      (3,693 )      (372 )      (4,627 ) 
           
Natural Gas                                          

Derivative assets

      MMBTUs         3,307      $ 2,389        1,733      $ 2,329   

Derivative liabilities

      MMBTUs         (3,307 )      (1,727 )      (1,733 )      (1,554 ) 
           

Total Fair Value

    Included in                           

Derivative assets

      Other assets                 7,082                5,229   

Derivative liabilities

      Other liabilities                 5,420                3,664   

The following table is a summary of the Company's recognized income related to the activity, which was included in other noninterest income:

 

                         
     Year Ended December 31,  
     2011      2010      2009  
     (Dollars in thousands)  

Derivative income

    $ 569       $ 501       $ 616   

The Company's credit exposure on oil and gas swaps and options varies based on the current market prices of oil and natural gas. Other than credit risk, changes in the fair value of customer positions will be offset by equal and opposite changes in the counterparty positions. The net positive fair value of the contracts is the profit derived from the activity and is unaffected by market price movements.

Customer credit exposure is managed by strict position limits and is primarily offset by first liens on production while the remainder is offset by cash. Counterparty credit exposure is managed by selecting highly rated counterparties (rated A- or better by Standard and Poor's) and monitoring market information.

The following table is a summary of the Company's credit exposure relating to oil and gas swaps and options with bank counterparties:

 

                 
     December 31,  
     2011      2010  
     (Dollars in thousands)  

Credit exposure

    $ 2,258       $ 3,244   

The Company entered into a $30 million five year guaranty with a counterparty on June 4, 2008 for the timely payment of the obligations of its subsidiary Bank related to the settlement of oil and gas positions.