Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Disaggregation of Revenue by Region According to Location of Customers (Details)

v3.21.1
Revenue Recognition - Disaggregation of Revenue by Region According to Location of Customers (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Disaggregation Of Revenue [Line Items]    
Total revenue $ 186,217 $ 113,103
Revenue | Geographic Concentration Risk    
Disaggregation Of Revenue [Line Items]    
Percentage of Revenue 100.00% 100.00%
Americas    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 84,626 $ 41,353
Americas | Revenue | Geographic Concentration Risk    
Disaggregation Of Revenue [Line Items]    
Percentage of Revenue 45.00% 37.00%
Europe, Middle East, and Africa    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 50,084 $ 36,680
Europe, Middle East, and Africa | Revenue | Geographic Concentration Risk    
Disaggregation Of Revenue [Line Items]    
Percentage of Revenue 27.00% 32.00%
Asia-Pacific    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 51,507 $ 35,070
Asia-Pacific | Revenue | Geographic Concentration Risk    
Disaggregation Of Revenue [Line Items]    
Percentage of Revenue 28.00% 31.00%