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Investments Securities (Details 1) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Individual securities, Less than 12 months, Fair Value $ 12,999 $ 9,722
Individual securities, Less than 12 months, Gross Unrealized Losses 2 2
Individual securities, 12 months or more, Fair Value 0 0
Individual securities, 12 months or more, Gross Unrealized Losses 0 0
Individual securities, Total, Fair Value 12,999 9,722
Individual securities, Total, Gross Unrealized Losses 2 2
US Federal Agencies [Member]
   
Individual securities, Less than 12 months, Fair Value 12,999 9,722
Individual securities, Less than 12 months, Gross Unrealized Losses 2 2
Individual securities, 12 months or more, Fair Value 0 0
Individual securities, 12 months or more, Gross Unrealized Losses 0 0
Individual securities, Total, Fair Value 12,999 9,722
Individual securities, Total, Gross Unrealized Losses 2 2
Collateralized Mortgage Backed Securities [Member]
   
Individual securities, Less than 12 months, Fair Value 0 0
Individual securities, Less than 12 months, Gross Unrealized Losses 0 0
Individual securities, 12 months or more, Fair Value 0 0
Individual securities, 12 months or more, Gross Unrealized Losses 0 0
Individual securities, Total, Fair Value 0 0
Individual securities, Total, Gross Unrealized Losses $ 0 $ 0