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Restrictions on Cash and Amounts Due from Banks (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 13, 2013
Dec. 31, 2012
Dec. 31, 2011
Restrictions on Cash and Amounts Due from Banks [Abstract]      
Required reserve balances   $ 0 $ 350
Amount deposit in financial institutions in excess of cash FDIC insured amount $ 1,700 $ 162 $ 161