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Securities (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Amortized cost and fair value of the available-for-sale securities portfolio    
Amortized Cost $ 16,981 $ 18,130
Gross Unrealized Gains 331 402
Gross Unrealized Losses    16
Fair Value 17,312 18,516
Mortgage-backed securities - residential [Member]
   
Amortized cost and fair value of the available-for-sale securities portfolio    
Amortized Cost 1,655 1,475
Gross Unrealized Gains 100 198
Gross Unrealized Losses     
Fair Value 1,755 1,673
Collateralized mortgage obligations [Member]
   
Amortized cost and fair value of the available-for-sale securities portfolio    
Amortized Cost 15,326 16,655
Gross Unrealized Gains 231 204
Gross Unrealized Losses    16
Fair Value $ 15,557 $ 16,843