INCOME TAXES - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
U.S. federal	$ (1,893)	$ (237)	$ 2
State	(536)	(339)	(122)
Foreign	(11,425)	(5,391)	(1,542)
Total Current	(13,854)	(5,967)	(1,662)
Deferred
U.S. federal	(6,288)	8,355	465
State	(1,623)	325	17
Foreign	(2,007)	(3,027)	(11,278)
Total Deferred	(9,918)	5,653	(10,796)
Changes in valuation allowance	9,111	(6,695)	(482)
Total	$ (14,661)	$ (7,009)	$ (12,940)