INCOME TAXES (Provision for Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
Federal									$ 16,943	$ 10,814	$ 65,571
State									3,610	4,123	(204)
Foreign									25,680	42,580	23,617
Deferred
Federal									(9,425)	(37,785)	7,235
State									(358)	(3,548)	(90)
Foreign									2,019	(6,667)	5,416
Total	$ 10,273	$ 12,967	$ 11,733	$ 3,496	$ 18,803	$ 369	$ 6,864	$ (16,519)	$ 38,469	$ 9,517	$ 101,545