INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Income Taxes Uncertain Tax Positions and Tax Reform [Abstract]
Liability for uncertain tax positions	$ 29,400		$ 28,900
Liability for uncertain tax positions - current	1,100		1,400
Liability for uncertain tax positions - lapse of statute of limitations	(1,100)
Interest and penalties uncertain tax positions recognized	200	$ 200
(Benefit) on reversal of interest and penalties	(300)	$ 0
Accrued interest and penalties uncertain tax positions	$ 4,800		$ 3,800