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SECURITIZATIONS (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
SECURITIZATIONS    
Unrealized gains recorded in AOCI $ 22,227,000 $ 24,011,000
Residential mortgage-backed securities | Quoted prices of similar instruments in active markets
   
SECURITIZATIONS    
Fair value 8,600,000 9,900,000
Unrealized gains recorded in AOCI $ 500,000 $ 500,000