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Securities Sold Under Repurchase Agreements (Details Textual) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended
	Sep. 30, 2005	Dec. 31, 2013	Dec. 31, 2013 Retail Repurchase Agreements [Member]	Dec. 31, 2012 Retail Repurchase Agreements [Member]
Short-Term Borrowings (Textual)
Securities sold under repurchase agreements			$ 14.7
Maximum amount of outstanding agreements at any month-end			15.0	15.0
Monthly average of such agreements totaled			$ 12.0	$ 12.6
Short-term borrowings mature	September 7, 2030, at the option of the Company: on or after September 7, 2020 at par; or on or after September 7, 2010 at a premium;	Between 2014 and 2020.	Within one month.	Within one month.

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, maximum month-end borrowings during the period.

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