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FAIR VALUE (Details Textuals 1) (Fair Value, Measurements, Nonrecurring)
6 Months Ended
Jun. 30, 2012
Fair Value, Measurements, Nonrecurring
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Prepayment speed 5.60%
Default rate 9.00%
Loss severity 50.00%
Accounting yield 2.62%