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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]          
Reserve for off-balance sheet credit exposures $ 500   $ 500   $ 485
Amount expensed to (recovered from) calculation of reserves based on historical loss experience 83 $ 131 15 $ 61  
Mortgage Partnership Finance Program          
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]          
Sum of total loans sold under the MPF Program     47,171   51,773
Limited recourse debt 8,262   8,262   $ 8,508
Other expenses, loss estimate $ 30 $ (35) $ 70 $ 17