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CONVERTIBLE PREFERRED STOCK - Future Tranche Right (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 06, 2021
Apr. 30, 2022
Apr. 30, 2021
Jan. 31, 2022
May 07, 2020
Subsidiary, Sale of Stock [Line Items]          
Future tranche right, fair value         $ 3,400
Temporary equity   $ 436,321   $ 436,321  
Change in fair value of future tranche right   0 $ (15,810)    
Series A Preferred Stock          
Subsidiary, Sale of Stock [Line Items]          
Temporary equity   200,628   200,628 $ 203,400
Series B Preferred Stock          
Subsidiary, Sale of Stock [Line Items]          
Temporary equity $ 237,000 $ 235,693   $ 235,693  
Change in fair value of future tranche right     $ 15,800    
Future tranche right $ 37,000        
Series B Preferred Stock | Series B Private Placement          
Subsidiary, Sale of Stock [Line Items]          
Sale of stock, number of shares issued (in shares) 200,000