Premises and Equipment - Premises and Equipment Stated at Cost, Less Accumulated Depreciation (Detail) (USD $)	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Total	$ 14,063,180	$ 13,590,661
Less accumulated depreciation	6,741,942	6,590,071
Premises and equipment, net	7,321,238	7,000,590
Land [Member]
Property, Plant and Equipment [Line Items]
Total	1,983,849	1,983,849
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Total	403,846	403,846
Estimated Useful Life Years	15 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total	1,083,051	1,083,051
Estimated Useful Life Years	15 years
Buildings [Member]
Property, Plant and Equipment [Line Items]
Total	5,633,463	5,364,095
Estimated Useful Life Years	39 years
Furniture, Fixtures & Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	$ 4,958,971	$ 4,755,820
Furniture, Fixtures & Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life Years	3 years
Furniture, Fixtures & Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life Years	7 years