INCOME TAXES (Schedule of Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ 6,184	$ 14,597	$ (3,880)
State	5,029	3,447	1,609
Foreign	12,553	10,905	7,057
Total current	23,766	28,949	4,786
Deferred:
Federal	(5,079)	(10,889)	(7,202)
State	(1,760)	(666)	(3,048)
Foreign	(57,299)	(7,491)	2,066
Total deferred	(64,138)	(19,046)	(8,184)
Provision for income taxes	$ (40,372)	$ 9,903	$ (3,398)