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INTANGIBLE ASSETS AND GOODWILL - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]          
Amortization expense $ 100,000 $ 0 $ 400,000 $ 0  
Goodwill 2,677,000   2,677,000   $ 2,677,000
Goodwill impairments $ 0 $ 0 $ 0 $ 0