Deposits - Additional information (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Cash And Short Term Investments [Line Items]
Aggregate amount of time deposits in denominations of $100000 or more	$ 44,019,722	$ 47,952,934
Overdraft demand deposits reclassified to loans	90,870	85,418
Brokered deposits	$ 0	$ 0