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EMPLOYEE BENEFIT PLANS (Details 5) - Pension Plans, Defined Benefit [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
OTHER CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OTHER COMPREHENSIVE LOSS
Net (gain) loss	$ 4,683	$ (822)	$ 6,505
Recognized loss	(1,548)	(1,454)	(1,333)
Total recognized in other comprehensive loss before tax effect	3,135	(2,276)	5,172
Total recognized in net benefit cost and other comprehensive loss before tax effect	$ 4,703	$ (553)	$ 7,128

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