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Related-Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Related Party Transaction [Line Items]    
Related party, non-cancellable agreement, renewal term 1 year  
Agreement For Purchase Of Service | Affiliated Entity    
Related Party Transaction [Line Items]    
Expenses from transactions with related party   $ 0.4