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FAIR VALUE (Details 4) (USD $)
12 Months Ended
Dec. 31, 2011
marketprices
trust
Valuation Methodologies  
Minimum number of quoted market prices used in determining fair value of available-for-sale investment securities 2
Number of trust preferred securities included in Level 3 available-for-sale securities 4
Percentage of total available-for-sale securities represented by Level 3 available-for-sale securities, maximum 1.00%
Minimum number of quoted market prices traditionally used in determining fair value of level 3 available-for-sale securities 2
Non-covered OREO $ 29,300,000
Covered OREO 63,600,000
Equity swap agreements
 
Valuation Methodologies  
Term of contract 5 years
Foreign exchange options
 
Valuation Methodologies  
Term of contract 5 years
Valuation adjustment due to counterparty credit risk 300,000
Interest rate swaps
 
Valuation Methodologies  
Valuation adjustment due to counterparty credit risk $ 500,000