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Cash And Due From Banks	12 Months Ended
Cash And Due From Banks	Dec. 31, 2011
Cash And Due From Banks [Abstract]
Cash And Due From Banks	NOTE 3. CASH AND DUE FROM BANKS The Bank is required to maintain an average reserve balance with the Federal Reserve Bank or maintain such reserve balance in the form of cash. The amount of required reserve balance at December 31, 2011 and 2010 was approximately $33.6 million and $31.8 million, respectively, and was met by holding cash and maintaining an average balance with the Federal Reserve Bank.