INCOME TAXES - Schedule of Pretax Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
United States	$ 6,758	$ 23,349	$ 30,095
International	(20,289)	(22,318)	6,050
Income (loss) from continuing operations before provision (benefit) for income taxes	(13,531)	1,031	36,145
Continuing Operations	761	(957)	7,544
Discontinued Operations	0	0	0
Total	$ 761	$ (957)	$ 7,544

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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