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Summary of Business and Significant Accounting Policies - Additional Information (Details)
12 Months Ended
Jan. 31, 2022
USD ($)
segment
Concentration Risk [Line Items]  
Number of operating segments | segment 1
Number of reportable segments | segment 1
Highly liquid investments maturity 3 months
Impairment of goodwill | $ $ 0
Impairment recognized for long-lived assets | $ $ 0
Software Development  
Concentration Risk [Line Items]  
Finite-lived intangible asset, useful life 3 years
Minimum  
Concentration Risk [Line Items]  
Amortization period of deferred costs 1 year
Customer payment period 30 days
Minimum | 2007 Stock Plan | Restricted Stock Units (RSUs)  
Concentration Risk [Line Items]  
Share-based compensation cost recognition vesting service period 1 year
Minimum | 2007 Stock Plan | Stock Options  
Concentration Risk [Line Items]  
Share-based compensation cost recognition vesting service period 4 years
Maximum  
Concentration Risk [Line Items]  
Amortization period of deferred costs 3 years
Customer payment period 60 days
Maximum | 2007 Stock Plan | Restricted Stock Units (RSUs)  
Concentration Risk [Line Items]  
Share-based compensation cost recognition vesting service period 5 years
Maximum | 2007 Stock Plan | Stock Options  
Concentration Risk [Line Items]  
Share-based compensation cost recognition vesting service period 9 years