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Stock-Based Compensation - Attivo Acquisition Narrative (Details) - Restricted Stock Units (RSUs)
9 Months Ended
Oct. 31, 2022
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted (in shares) 10,251,563
Attivo  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted (in shares) 539,795
Award vesting period 3 years