Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Line Items]
FHLB stock can be sold back only at its par value	$ 100
Loans converted to OREO through foreclosure proceedings total	$ 983,000	$ 254,536	$ 1,307,203
Minimum
Accounting Policies [Line Items]
Intangible assets amortization period	3 years
Maximum
Accounting Policies [Line Items]
Intangible assets amortization period	5 years