Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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Fair value as of the balance sheet date of all interest rate derivatives designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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DERIVATIVE FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Apr. 30, 2013
DERIVATIVE FINANCIAL INSTRUMENTS
Beginning fair value of interest rate swap derivative instruments		$ (7)	$ (68)
Amount of unrealized losses recognized in OCI		(106)	(277)
Amount of gains reclassified from AOCI to earnings (effective portion)		113	338
Net change in fair value of interest rate swap derivative instruments	$ 302	$ 7	61
Ending fair value of interest rate swap derivative instruments			$ (7)
Interest Rate Swap \| Cash Flow Hedging
DERIVATIVE FINANCIAL INSTRUMENTS
Aggregate notional amount				$ 125,000