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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Fair Value Disclosures [Abstract] |  |  |
Reserve for off-balance sheet credit exposures | $ 689 |  | $ 784
Amount expensed to (recovered from) calculation of reserves based on historical loss experience | (95) | $ 47 |
Mortgage Partnership Finance Program |  |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |
Sum of total loans sold under the MPF Program | 34,054 |  | 35,678
Limited recourse debt | 1,029 |  | $ 1,029
Other expenses, loss (recovery) estimate | $ 9 | $ (52) |

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