Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES (Details)

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INCOME TAXES (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2020
Jun. 25, 2020
Sep. 30, 2021
Dec. 31, 2020
Income Tax Contingency [Line Items]            
(Benefit) provision for income taxes $ (445) $ 1,684 $ 1,694 $ (3,482) $ (8,294)  
Discrete income tax expense (benefit) $ (300) $ 400     $ (4,800)  
Effective tax rate (as a percent) (5.30%) (146.30%) (102.90%) 9.30% 106.10%  
Pretax income (loss) $ 8,361 $ (1,151) $ (1,646) $ (37,618) $ (7,818)  
Discrete tax benefit related to receipt of beneficial tax ruling         4,000  
Discrete tax benefit related to reversal of uncertain tax position liabilities as result of lapse of applicable statute of limitations         1,000  
Discrete tax benefit related to finalization of federal and state tax returns         200  
Deferred tax provision related to tax law change         500  
Uncertain tax position liability 200       $ 200 $ 1,200
Finalization of Federal and State Tax Returns            
Income Tax Contingency [Line Items]            
Discrete income tax expense (benefit) $ (200)