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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Fair Value Disclosures [Abstract]
Reserve for off-balance sheet credit exposures	$ 862		$ 862		$ 472
Amount expensed to (recovered from) calculation of reserves based on historical loss experience	91	$ (45)	390	$ (30)
Mortgage Partnership Finance Program
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Sum of total loans sold under the MPF Program	38,538		38,538		44,124
Limited recourse debt	8,199		8,199		$ 8,230
Other expenses, loss (recovery) estimate	$ 0	$ (32)	$ (112)	$ 127

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