BENEFIT PLANS, Costs That Will Be Amortized from AOCI in Next Fiscal Year (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Pension Benefits [Member]
Costs that will be amortized from accumulated other comprehensive income (loss) in net periodic (income) cost in next fiscal year [Abstract]
Prior service cost/(credit)	$ 55
Net loss	1,010
Total	1,065
Post-retirement Benefits [Member]
Costs that will be amortized from accumulated other comprehensive income (loss) in net periodic (income) cost in next fiscal year [Abstract]
Prior service cost/(credit)	(179)
Net loss	6
Total	$ (173)