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INVESTMENT SECURITIES - Additional Information (Detail)
$ in Millions
Dec. 31, 2015
USD ($)
security
Dec. 31, 2014
USD ($)
Investments, Debt and Equity Securities [Abstract]    
Securities available-for-sale, pledged | $ $ 47.9 $ 27.1
Securities available-for-sale portfolio 95  
Securities in unrealized loss position 70  
Securities held-to-maturity portfolio 93  
Held-to-maturity securities in unrealized loss position 87