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Restrictions on Cash and Due from Banks	12 Months Ended
Dec. 31, 2012
Restricted Cash and Cash Equivalents [Abstract]
Restrictions on Cash and Due from Banks	Note 2. Restrictions on Cash and Due from Banks The Federal Reserve requires the Bank to maintain noninterest-bearing cash reserves against certain categories of average deposit liabilities. Such reserves averaged approximately $4,713,000, $4,573,000, and $4,700,000 during the years ended December 31, 2012, 2011, and 2010, respectively.

Restrictions on Cash and Due from Banks

12 Months Ended

Dec. 31, 2012

Restricted Cash and Cash Equivalents [Abstract]

Note 2. Restrictions on Cash and Due from Banks

The Federal Reserve requires the Bank to maintain noninterest-bearing cash reserves against certain categories of average deposit liabilities. Such reserves averaged approximately $4,713,000, $4,573,000, and $4,700,000 during the years ended December 31, 2012, 2011, and 2010, respectively.