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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK - Schedule of Net Amount Expensed (Recovered) Through Noninterest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Fair Value Disclosures [Abstract]
Off-balance sheet credit exposures expense (recovery)	$ 32	$ 312	$ (13)

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- Definition

Concentration risk credit risk financial instrument maximum exposure charged to (recovered from) noninterest expense.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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