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INCOME TAXES - Additional Information (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Income Tax Disclosure [Abstract]        
Federal operating loss carryforwards $ 187,000 $ 182,000    
State operating loss carryforwards 221,000 221,000    
Unrecognized tax benefits 444 $ 207 $ 210 $ 0
Accrued interest and penalties $ 30