NEW ACCOUNTING STANDARDS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Other – net	$ (131)	$ 43	$ 266	$ 78
ASU 2017-07
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating expense		(5,200)		(9,500)
Other – net		$ 5,200		$ 9,500