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OTHER ASSETS - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2021
Jun. 21, 2016
Interest and Other Income      
Other Investment Not Readily Marketable [Line Items]      
Realized gain on investment $ 27,700,000    
Minimum      
Other Investment Not Readily Marketable [Line Items]      
Potential stock received upon conversion of investment (shares)   0 0
Prepaid Expenses and Other Current Assets      
Other Investment Not Readily Marketable [Line Items]      
Assigned value of preferred shares     $ 0