Quarterly report pursuant to Section 13 or 15(d)

Commitment and Contingencies - Additional Information (Details)

v3.21.2
Commitment and Contingencies - Additional Information (Details)
 3 Months Ended 9 Months Ended
Sep. 07, 2017
USD ($)
verdict_question
Oct. 31, 2021
USD ($)
Oct. 31, 2020
USD ($)
Oct. 31, 2021
USD ($)
Oct. 31, 2020
USD ($)
Jan. 31, 2021
USD ($)
Loss Contingencies [Line Items]            
Deferred rent   $ 2,400,000   $ 2,400,000   $ 2,200,000
Rent expense   2,200,000 $ 1,700,000 5,500,000 $ 5,200,000  
Letters of credit   1,300,000   1,300,000   0
Number of verdict questions | verdict_question 15          
Pending litigation            
Loss Contingencies [Line Items]            
Loss contingency, damages sought $ 22,000,000          
Accrued expenses and other current liabilities            
Loss Contingencies [Line Items]            
Deferred rent   1,300,000   1,300,000   1,300,000
Other liabilities            
Loss Contingencies [Line Items]            
Deferred rent   $ 1,100,000   $ 1,100,000   $ 900,000