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DERIVATIVE FINANCIAL INSTRUMENTS (Tables)
12 Months Ended
Dec. 31, 2013
Derivative Instruments And Hedging Activities Disclosure [Abstract]  
Notional Amounts and Estimated Fair Values of Outstanding Derivative Positions
The notional amounts and estimated fair values of oil and gas derivative positions outstanding are presented in the following table:

 

            December 31,  
            2013     2012  

Oil and Natural Gas Swaps and Options

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

Derivative assets

     Barrels         335      $ 827        738      $ 2,568   

Derivative liabilities

     Barrels         (335     (378     (738     (1,591
Natural Gas            

Derivative assets

     MMBTUs         5,128        1,384        4,431        953   

Derivative liabilities

     MMBTUs         (5,128     (651     (4,431     (210

Total Fair Value

   Included in                           

Derivative assets

     Other assets           2,211          3,521   

Derivative liabilities

     Other liabilities           1,029          1,801   
Recognized Derivative Income Included in Other Noninterest Income

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,  
     2013      2012      2011  
     (Dollars in thousands)  

Derivative income

   $ 521       $ 599       $ 569   
Summary of Company's Net Credit Exposure Relating to Oil and Gas Swaps

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

 

     December 31,  
     2013     2012  
     (Dollars in thousands)  

Credit exposure

   $    (990)    $ 2,410