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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Reserve for off-balance sheet credit exposures	$ 829	$ 784
Mortgage Partnership Finance Program
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Sum of total loans sold under the MPF Program	32,554	35,678
Limited recourse debt	$ 1,029	$ 1,029

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Concentration risk credit risk financial instrument maximum exposure liability.

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Limited recourse debt.

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Sum total of loans sold under the mortgage partnership finance program.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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