Fair Value Measurements (Details 2) (Discounted appraised value [Member], Fair Value, Inputs, Level 3 [Member], USD $)	3 Months Ended
	Mar. 31, 2013
Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value Disclosure	3,858,941
Impaired Loans [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Selling Cost	20.00%
Unobservable Input, Lack of Marketability	100.00%
Impaired Loans [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Selling Cost	10.00%
Unobservable Input, Lack of Marketability	0.00%
Impaired Loans [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Selling Cost	11.00%
Unobservable Input, Lack of Marketability	32.00%
Other real estate owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value Disclosure	3,662,561
Other real estate owned [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Selling Cost	13.00%
Unobservable Input, Lack of Marketability	20.00%
Other real estate owned [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Selling Cost	4.00%
Unobservable Input, Lack of Marketability	10.00%
Other real estate owned [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input, Selling Cost	6.00%
Unobservable Input, Lack of Marketability	15.00%