Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Costs Not Yet Recognized (Details)

v3.21.2
Stock-Based Compensation - Costs Not Yet Recognized (Details)
$ in Thousands
6 Months Ended
Jul. 31, 2021
USD ($)
Stock options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized expense $ 54,312
Weighted average expense recognition period 3 years 1 month 6 days
Performance share units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized expense $ 3,190
Weighted average expense recognition period 3 years 7 months 6 days
Restricted stock units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized expense $ 2,961
Weighted average expense recognition period 1 year 10 months 24 days
ESPP  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized expense $ 11,870
Weighted average expense recognition period 10 months 24 days