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Fair Value Measurements - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Fair Value Disclosures [Abstract]    
Period under consideration for valuation of real estate collateral 1 year  
Period under consideration for valuation of house or building in the process of construction 1 year  
Period under consideration for valuation of business equipment 1 year  
Period of maturity as classifies as short term borrowing 90 days  
Fair value of loan commitments and standby letters of credit $ 0 $ 0