BENEFIT PLANS, Target Plan Assets Allocation (Details)	12 Months Ended
	Dec. 31, 2015
Plan Assets [Abstract]
Maximum percentage of alternative investments authorized to be purchased	15.00%
Maximum percentage of portfolio invested in company stock	10.00%
Equity Securities [Member]
Plan Assets [Abstract]
Target allocation percentage of assets	60.00%
Fixed Income Securities [Member]
Plan Assets [Abstract]
Target allocation percentage of assets	40.00%