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INTEREST-BEARING DEPOSITS AND SECURITIES (Textual) (Details) (USD $)
6 Months Ended
Jun. 30, 2013
security
Jun. 30, 2012
security
Dec. 31, 2012
security
Trading Securities [Abstract]      
Trading Securities, Number of Securities Sold 37 0  
Trading Securities, Sold $ 25,267,000 $ 0  
Trading Securities, Realized Gain 1,134,000 0  
Trading Securities, Realized Gain, Recoveries (1,000,000)    
Trading Securities, OTTI (Recovery) Charges (409,000) 0  
Trading Securities, Number of Securities in Nonaccrual Status 0 0  
Available-for-sale Securities [Abstract]      
Available-for-sale Securities, Number of Securities Sold 35 2  
Available-for-sale Securities, Sale Proceeds 103,300,000 11,800,000  
Available-for-sale Securities, Gross Realized Gain (Loss) (116,000) 29,000  
Available-for-sale Securities, Unrealized Loss Position, Number of Securities 131   52
Held-to-maturity Securities [Abstract]      
Held-to-maturity Securities, Number of Securities Sold 0 0  
Held-to-maturity Securities, OTTI Charges 0 0  
Held-to-maturity Securities, Number of Securities in Nonaccrual Status 0 0  
Held-to-maturity Securities, Unrecognized Holding Loss, Number of Securties 29   5
Total pledged securities, amortized cost $ 229,000,000