Equity Capital (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Equity Capital (Additional Textual) [Abstract]
Tier 1 Capital (to risk-weighted assets), Ratio	8.50%
Tier 1 Capital (to adjusted average assets), Ratio	12.00%
Series A Preferred Stock [Member]
Equity Abstract (Textual) [Abstract]
Preferred stock par value per share	$ 0.10	$ 0.10
Preferred stock quarterly dividends, amount	$ 625,000
Preferred stock quarterly dividends rate	5.00%
Increase in dividend after five years	9.00%
Scenario, Forecast [Member] | Series A Preferred Stock [Member]
Equity Abstract (Textual) [Abstract]
Preferred stock quarterly dividends, amount	$ 1,125,000