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SHORT-TERM BORROWINGS (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Short-term Debt [Line Items]      
Average maturity 1 day 3 days 3 days
Federal Funds Purchased [Member]
      
Short-term Debt [Line Items]      
Balance         
Maximum indebtedness at any month end         
Average balance during year 117 49 9
Average rate paid for the year 0.34% 0.32% 0.51%
Short-Term Borrowings [Member]
      
Short-term Debt [Line Items]      
Balance 15,660 15,765 4,550
Maximum indebtedness at any month end 19,755 15,765 9,230
Average balance during year 5,225 1,167 3,110
Average rate paid for the year 0.20% 0.51% 0.71%
Interest rate on year end balance 0.25% 0.34% 0.62%