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STOCK-BASED COMPENSTION PLANS - Stock Option Plans Narrative (Details) - shares
Jun. 01, 2021
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Reverse recapitalization, options converted (in shares) 29,257,576  
Minimum exercise price, percentage of common share grant date fair value 100.00%  
First Anniversary    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting rights, percentage 25.00%  
One Thirty-Sixth on a Monthly Basis    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting rights, percentage 75.00%  
Stock option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expiration period 10 years  
2021 Equity Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized (in shares) 16,929,505  
Number of shares available for grant (in shares)   16,929,505
Maximum annual increase in shares , percentage of shares issued and outstanding 5.00%  
2011 Stock Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Reverse recapitalization, options converted (in shares) 29,390,344  
Number of shares available for grant (in shares)   0