Securities (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Securities (Additional Textual) [Abstract]
Tax benefit (provision) related to net realized gains and losses	$ 0	$ 0	$ (380,000)
Securities available for sale in an unrealized loss		0
Other than temporary impairment (OTTI) charge on equity investments	13,000	89,000	58,000
VISA stock [Member]
Securities (Textual) [Abstract]
Securities pledged for Company's participation in the VISA payment processing program	5,800,000	5,700,000
Ohio linked deposit program [Member]
Securities (Textual) [Abstract]
Securities pledged for investment in Ohio Linked Deposit Program	$ 417,000	$ 418,000

The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

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The fair value, as of the date of each statement of financial position presented, of other securities, classified as available for sale or held for investment, which are owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

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