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CONVERTIBLE PREFERRED STOCK - Voting Rights, Dividends and Liquidation Rights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
May 07, 2020
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Dec. 04, 2019
Subsidiary, Sale of Stock [Line Items]          
Holders of preferred stock voting rights, as percentage of voting power of common stock outstanding         19.90%
Payments of preferred stock dividends   $ 20,800 $ 20,800 $ 12,856  
Accrued dividends on preferred stock     10,400    
Preferred stock dividends, unpaid and undeclared   12,100      
Dividends declared and recorded   10,400      
Dividends on preferred stock   $ 20,800 $ 20,800 $ 18,922  
Preferred Stock          
Subsidiary, Sale of Stock [Line Items]          
Preferred stock, liquidation preference (in dollars per share) $ 1,000        
Preferred Stock | Minimum          
Subsidiary, Sale of Stock [Line Items]          
Preferred stock, dividend rate, increase percentage each year 1.00%        
Preferred Stock | Maximum          
Subsidiary, Sale of Stock [Line Items]          
Preferred stock, dividend rate, increase percentage each year 10.00%        
Preferred Stock | Dividend for the first 48-month anniversary of closing date          
Subsidiary, Sale of Stock [Line Items]          
Preferred stock, dividend rate 5.20%        
Preferred Stock | Dividend after the first 48-month anniversary of closing date          
Subsidiary, Sale of Stock [Line Items]          
Preferred stock, dividend rate 4.00%        
Preferred Stock | Dividend increase term in event          
Subsidiary, Sale of Stock [Line Items]          
Preferred stock, dividend rate 6.00%