Subordinated Debt Securities (Details Textual) (USD $) In Millions, unless otherwise specified		1 Months Ended		1 Months Ended
Dec. 31, 2012 Subordinated Debt Due In 2035 [Member]	Jun. 21, 2005 Subordinated Debt Due In 2035 [Member] Trust 1 [Member]	Dec. 31, 2012 Subordinated Debt Due In 2037 [Member]	Aug. 23, 2007 Subordinated Debt Due In 2037 [Member] Trust 2 [Member]
Long-term Debt, Gross	$ 30.9	$ 30.9	$ 25.8	$ 25.8
Proceeds from Issuance of Trust Preferred Securities		30.0		25.0
Proceeds from Issuance of Common Stock		$ 0.9		$ 0.8
Subordinated Borrowing, Interest Rate		7.725%		8.28%
Debt Instrument, Maturity Date		Jun. 15, 2015		Sep. 15, 2017
Debt Instrument, Description of Variable Rate Basis		LIBOR rate plus 3.25 percentage		LIBOR rate plus 2.90 percentage
Debt Instrument, Basis Spread on Variable Rate		3.25%		2.90%

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The cash inflow from the additional capital contribution to the entity.

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- Definition

The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures.

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