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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Aug. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]          
Impairments $ 0        
Impairment of intangibles   $ 0 $ 153,000 $ 0 $ 153,000
Customer Lists          
Finite-Lived Intangible Assets [Line Items]          
Impairment of intangibles     $ 0 $ 0