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INVESTMENT SECURITIES - amortized cost and fair values of securities by contractual maturity (Details 1) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract]    
Within one year $ 6,356  
One to five years 24,709  
Five to ten years 23,281  
After ten years 16,259  
Available For Sale Securities Debt With Maturities Amortized Cost Basis 70,605  
Government-sponsored enterprise (GSE) residential mortgage-backed and other asset-backed agency securities 36,081  
Totals 106,686  
Available-for-sale Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract]    
Within one year 6,432  
One to five years 25,311  
Five to ten years 24,135  
After ten years 16,774  
Available For Sale Securities Debt With Maturities Fair Value 72,652  
Government-sponsored enterprise (GSE) residential mortgage-backed and other asset-backed agency securities 37,178  
Investment securities available for sale $ 109,830 $ 104,689