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INVESTMENTS IN DEBT AND EQUITY SECURITIES (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Proceeds from sales of investment securities available for sale $ 153,200,000 $ 101,800,000 $ 207,619,000 $ 127,469,000  
Securities Pledged as Collateral 250,700,000   250,700,000   228,900,000
Reclassification of investment securities from available for sale to held to maturity 729,142,000 0 729,142,000 0  
Gross Unrealized Gain on Reclassification of Available For Sale Securities to Held To Maturity Securities $ 11,700,000   $ 11,700,000