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Securities (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012 Contract
Securities (Textual) [Abstract]
Number of U.S. agency and mortgage-backed securities	13
Number of obligation of state and political subdivisions in an unrealized loss position	10
Percentage of investment portfolio	100.00%
Weighted-average period of re-pricing of portfolio	3 years 9 months 18 days
Investment in Federal Home Loan Bank stock	$ 1.1

X

- Definition

Investment in federal home loan bank stock.

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Balance Type:	debit
Period Type:	instant

X

- Definition

Number obligation of state and political subdivisions in an unrealized loss position.

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No definition available.

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X

- Definition

Number of securities in unrealized loss position.

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X

- Definition

Percentage of investment portfolio.

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X

- Details

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- Definition

Weighted average period of pricing of portfolio.

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