OTHER INCOME (EXPENSE) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income and Expenses [Abstract]
Equity earnings in affiliates	$ 81	$ 1,790	$ 243	$ 2,796
Other income (expense)	1,818	1,631	766	3,622
Other components of net periodic pension (cost) income	(2,102)	775	(903)	1,541
Total Other income (expense)	$ (203)	$ 4,196	$ 106	$ 7,959