INCOME TAXES - Major Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 50	$ 8,217
State	(33)	(176)
Foreign	(160)	(7)
Total current	(143)	8,034
Deferred:
Federal	0	0
State	0	0
Foreign	0	(20)
Total deferred	0	(20)
Total income tax (expense) benefit	$ (143)	$ 8,014