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GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of intangible assets $ 11,000 $ 101,000  
Goodwill impairment charges     $ 0