GOODWILL AND INTANGIBLE ASSETS (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) segment	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
GOODWILL AND INTANGIBLE ASSETS [Abstract]
Goodwill impairment charges	$ 0	$ 0	$ 0
Number of Reportable Segments | segment	4
Impairment of Intangible Assets, Finite-lived	$ 8,180	$ 2,858	$ 0