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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK - Narrative (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Fair Value Disclosures [Abstract] |  |  |
Reserve in other liabilities | $ 784 | $ 472 |
Expensed (recovered) through noninterest expense for credit exposures | 312 | (13) | $ (44)
MPF Program |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total outstanding balance of loans sold under the MPF Program | 35,678 | 44,124 |
Limited recourse back on loans | 1,029 | 8,230 |
Charge to other expenses | $ 18 | $ 127 | $ 71

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