Deposits - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Deposits [Abstract]
Certificate of deposit balances included in time certificates	$ 5,000,000	$ 5,000,000
Certificate of deposit included in time certificates	100,000	100,000
Overdrawn deposit balances classified as consumer loans	$ 1,212,000	$ 1,408,000