INCOME TAXES (Schedule of Uncertain Tax Positions) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Balance at January 1,	$ 8,499	$ 579
Increases related to current year tax positions	1,371	8,499
Decreases related to prior year tax positions		(579)
Closing balance	$ 9,870	$ 8,499