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Derivative Financial Instruments
9 Months Ended
Sep. 30, 2011
Derivative Financial Instruments [Abstract] 
Derivative Financial Instruments
(13) 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:

 

    

September 30, 2011

 

Oil and Natural Gas

Swaps and Options

  

Notional Units

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

Oil

       

Derivative assets

   Barrels      293      $ 5,604   

Derivative liabilities

   Barrels      (293     (4,757

Natural Gas

       

Derivative assets

   MMBTUs      3,286        1,986   

Derivative liabilities

   MMBTUs      (3,286     (1,260

Total Fair Value

   Included in     

Derivative assets

   Other assets        7,590   

Derivative liabilities

   Other liabilities        6,017   

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

 

     Three Months Ended
September 30,
     Nine Months Ended
September 30,
 
     2011      2010      2011      2010  
     (Dollars in thousands)  

Derivative income

   $ 128       $ 178       $ 326       $ 388   

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:

 

     September 30, 2011  
     (Dollars in thousands)  

Credit exposure

   $ 7,537   

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.