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OTHER INCOME (EXPENSE) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Other Income and Expenses [Abstract]    
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Gain (Loss) Due to Settlement and Curtailment $ (758) $ (758)
Equity earnings in affiliates 1,006 1,200
Other income 1,991 1,243
Other components of net periodic pension (cost) income (1) [1] 766 1,008
Total Other income (expense) $ 3,763 $ 3,451
[1] (1) Includes pension settlement charges in the three months ended March 31, 2018 of $758. Refer to Note 13 to the consolidated financial statements for details.