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Stock-Based Compensation - Employee Stock Purchase Plan And Performance-based Restricted Stock Units (Details) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2022
Sep. 15, 2022
Mar. 15, 2022
Jan. 31, 2023
Jan. 31, 2022
Jan. 31, 2021
Feb. 01, 2022
Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Issuance of common stock under employee stock purchase plan       $ 3,815,000 $ 6,485,000 $ 7,000,000    
Stock-based compensation expense       $ 63,078,000 73,480,000 72,294,000    
Shares estimated to be purchased under ESPP                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized, annual increase (in shares)             1,311,569 2,500,000
Number of shares authorized, annual increase, percentage of outstanding shares at the end of prior fiscal year               1.00%
Number of shares authorized (in shares)       4,058,651        
Maximum payroll deduction (as a percent of eligible compensation)       15.00%        
Purchase price of common stock (as a percent)       85.00%        
Issuance of common stock under employee stock purchase plan (in shares)   339,019 457,595 517,140        
Shares purchased under plan (in dollars per share)   $ 4.31 $ 5.14          
Issuance of common stock under employee stock purchase plan   $ 1,500,000 $ 2,400,000          
Employee withholdings for future purchases under the ESPP       $ 1,700,000        
Dividend yield assumption       0        
Stock-based compensation expense       1,500,000 2,200,000 2,800,000    
Unrecognized compensation cost       $ 200,000        
Unrecognized compensation cost, period for recognition (in years)       1 month 13 days        
Performance-based restricted stock units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock-based compensation expense       $ 2,900,000 $ 0 $ 0    
Unrecognized compensation cost       $ 8,500,000        
Unrecognized compensation cost, period for recognition (in years)       3 years 1 month 20 days        
Granted - restricted stock and restricted stock units (in shares) 2,000,000