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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]      
Reserve for off-balance sheet credit exposures $ 472 $ 485  
Charged to other noninterest expense (13) (44) $ (54)
Mortgage Partnership Finance Program      
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]      
Sum of total loans sold under the MPF Program 44,124 51,773  
Limited recourse debt 8,230 8,508  
Other expenses estimating losses $ 127 $ 71 $ 20