Fair Values (Narrative) (Details) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Fair Values [Abstract]
Investment securities, available for sale	$ 48,559,000	$ 32,434,000
Aggregate carrying amounts of impaired loans	67,900,000	85,800,000
Aggregate carrying amount of foreclosed assets	$ 11,400,000	$ 15,100,000

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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