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CONVERTIBLE PREFERRED STOCK - Conversion And Future Tranche Right (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Apr. 06, 2021
May 07, 2020
Apr. 30, 2021
Jan. 31, 2023
Jan. 31, 2022
Jan. 31, 2021
Feb. 01, 2021
Class of Stock [Line Items]              
Shares issuable upon conversion (in shares)       9,800,000      
Common stock, trading days   30 days          
Convertible preferred stock, threshold percentage of conversion trigger   175.00%          
Preferred stock, redemption price in percentage   100.00%          
Internal rate of return   8.00%          
Preferred stock dividends, unpaid and undeclared       $ 12,100      
Future tranche right, fair value   $ 3,400          
Carrying value of preferred stock       436,321 $ 436,321    
Change in fair value of future tranche right       $ 0 $ (15,810) $ 56,146  
Apax              
Class of Stock [Line Items]              
Percentage ownership of outstanding shares       13.00%      
Series A Preferred Stock              
Class of Stock [Line Items]              
Conversion price (in dollars per share)   $ 53.50         $ 36.38
Conversion premium   17.10%          
Common stock, consecutive trading days   45 days          
Preferred stock, liquidation preference value       $ 200,000      
Preferred stock dividends, unpaid and undeclared       6,100      
Carrying value of preferred stock   $ 203,400          
Series B Preferred Stock              
Class of Stock [Line Items]              
Conversion price (in dollars per share) $ 50.25            
Conversion price, trading days 20 days            
Preferred stock, liquidation preference value       200,000      
Preferred stock dividends, unpaid and undeclared       $ 6,100      
Carrying value of preferred stock $ 237,000            
Change in fair value of future tranche right     $ 15,800        
Future tranche right $ 37,000            
Series B Preferred Stock | Series B Private Placement              
Class of Stock [Line Items]              
Sale of stock, number of shares issued (in shares) 200,000