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INCOME TAXES - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Tax Disclosure [Abstract]          
Release of valuation allowance         $ 3,700
Income tax expense (benefit) $ 107 $ (1,492) $ 173 $ (6,397)  
Effective income tax rate (2.70%) 24.10% (2.00%) 49.10%  
Unrecognized tax benefits $ 1,313   $ 1,313    
Accrued interest and penalties 445   445    
Interest and penalties included in income tax expense 51 $ 43 99 $ 86  
Uncertain tax positions that would impact effective tax rate $ 1,758   $ 1,758