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Securities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Summary of amortized costs and fair values of securities available for sale
Amortized Cost	$ 93,837	$ 88,470
Gross Unrealized Gains	2,315	3,211
Gross Unrealized (Losses)	(313)	(16)
Fair Value	95,839	91,665
U.S. agency and mortgage-backed securities [Member]
Summary of amortized costs and fair values of securities available for sale
Amortized Cost	78,251	76,549
Gross Unrealized Gains	1,559	2,343
Gross Unrealized (Losses)	(230)	(16)
Fair Value	79,580	78,876
Obligations of states and political subdivisions [Member]
Summary of amortized costs and fair values of securities available for sale
Amortized Cost	15,585	11,895
Gross Unrealized Gains	753	781
Gross Unrealized (Losses)	(83)
Fair Value	16,255	12,676
Corporate equity securities [Member]
Summary of amortized costs and fair values of securities available for sale
Amortized Cost	1	26
Gross Unrealized Gains	3	87
Gross Unrealized (Losses)
Fair Value	$ 4	$ 113

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

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