Loans - Summary of Balances of Loans (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Summary of balances of loans
Total loans	$ 258,864	$ 250,331
Net unamortized deferred loans costs	454	506
Allowance for loan losses	(2,973)	(2,925)	[1]
Loans, net	256,345	247,912	[1]
Construction, Land and Land Development
Summary of balances of loans
Total loans	33,805	31,839
Farmland
Summary of balances of loans
Total loans	1,174	1,262
Commercial Mortgages (Non-Owner Occupied)
Summary of balances of loans
Total loans	15,717	14,626
Commercial Mortgages (Owner Occupied)
Summary of balances of loans
Total loans	32,234	34,177
Residential First Mortgages
Summary of balances of loans
Total loans	121,641	114,458
Residential Revolving and Junior Mortgages
Summary of balances of loans
Total loans	25,816	24,045
Commercial and Industrial loans
Summary of balances of loans
Total loans	22,678	23,938
Consumer Loans
Summary of balances of loans
Total loans	$ 5,799	$ 5,986

[1] Derived from the audited consolidated financial statements.