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OFF-BALANCE-SHEET ARRANGEMENTS, COMMITMENTS AND CONTINGENCIES - Unused Commitments and Other Contractual Obligations (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Credit card and ready reserve
Dec. 31, 2012
Credit card and ready reserve
Dec. 31, 2013
Standby letters of credit
Dec. 31, 2012
Standby letters of credit
Dec. 31, 2013
Minimum
Credit card and ready reserve
Unused commitments:                
Due in one year or less $ 110,210,000 $ 84,756,000            
Due after one year 46,032,000 48,061,000            
Total outstanding unused commitments 156,242,000 132,817,000   13,800,000 13,000,000      
Maturity of unused commitments to extend credit               1 year
Letters of credit outstanding, amount           5,900,000 5,600,000  
Obligations to Purchase Securities [Abstract]                
Unsettled trades to purchase securities 973,000 10,047,000 1,196,000          
Obligations to Sell Securities [Abstract]                
Unsettled trades to sell securities 3,933,000 0 0          
Unsettled issuances of brokered cds $ 0 $ 0