Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY - 2020 Equity Incentive Plan (Details)

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STOCKHOLDERS' EQUITY - 2020 Equity Incentive Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 01, 2023
Dec. 22, 2022
Dec. 22, 2020
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting provisions       558,310  
Shares issued under the 2020 Employee Stock Purchase Plan (in shares)       46,726  
Subsequent event          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued under the 2020 Employee Stock Purchase Plan (in shares) 453,274        
2020 Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock issuable         4,200,000
Performance-based Awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting provisions       1,073,736  
Remaining vested provisions       300,647  
Share-based compensation expense       $ 14.2 $ 12.1
Vesting percentage       200.00%  
Performance-based Awards | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Remaining vested term       1 year  
Vesting percentage       100.00%  
Performance-based Awards | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Remaining vested term       3 years  
Vesting percentage       200.00%  
Stock Appreciation Rights (SARs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense     $ 1.4    
Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture     $ 1.0    
2020 Employee Stock Purchase Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock issuable       500,000  
2020 Employee Stock Purchase Plan | Performance-based Awards | Vesting on December 22, 2022          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting provisions   531,667      
Vesting percentage   200.00%