Fair Value (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Recorded Investment	$ 4,000,000		$ 4,100,000
Related Allowance	1,400,000		1,400,000
Other Real Estate and Foreclosed Assets	44,000		45,000
Real Estate, Gross	68,000		50,000
Write-down of foreclosed real estate	24,000		5,000
Commercial Real Estate Loan Discounting Rate	10.00%
Provision for loan losses	143,000	113,000
Percentage Of Weighted Average Discount On Impaired Commercial Real Estate Loans	11.00%		11.00%
Loans Held-for-sale, Commercial, Real Estate	353,000		354,000
Impaired Loans [Member]
Provision for loan losses	$ 5,000	$ 64,000
United States Department Of Agriculture [Member]
Percentage Of Commercial Real Estate Loan Principal Balance Outstanding Guarantee By Third Party	90.00%