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INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Income Tax Disclosure [Abstract]        
Effective income tax rate reconciliation, percent (0.60%) 21.60% (0.10%) (1.00%)
Provision for income taxes $ 1 $ 11 $ 18 $ 22
Pretax income (loss) $ (175) $ 51 $ (13,630) $ (2,171)