Related Parties - Loans Outstanding to Directors and Executive Officers at Beginning of Period and End of Period, Including Activity During Period (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Related Party Transactions [Abstract]
Beginning balance	$ 1,418,000	$ 1,242,000
New loans	6,309,000	324,000
Repayments	(252,000)	(110,000)
Adjustments	(591,000)	(38,000)
Ending balance	$ 6,884,000	$ 1,418,000