Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY - 2020 Plan and ESPP (Details)

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STOCKHOLDERS' EQUITY - 2020 Plan and ESPP (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
2020 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock issuable 6,200,000   6,200,000  
Performance-based Awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting provisions     1,073,736  
Share-based compensation expense $ 2.0 $ 3.6 $ 6.0 $ 10.6
Vesting percentage     200.00%  
Performance-based Awards | Maximum level of 200% Vesting on December 22, 2022        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage     33.33%  
Performance-based Awards | Maximum level of 200% Vesting on December 22, 2023        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage     66.66%  
Performance-based Awards | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage     100.00%  
Performance-based Awards | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage     200.00%  
2020 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting provisions     121,737 23,643,000
ESPP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common stock issuable 500,000   500,000  
Shares issued     21,551 30,099