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Revenues - Disaggregation of Revenue by Geographic Region (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2020
Disaggregation of Revenue [Line Items]      
Total revenue $ 252,653 $ 152,176 $ 81,227
United States      
Disaggregation of Revenue [Line Items]      
Total revenue 211,520 125,990 67,823
Europe      
Disaggregation of Revenue [Line Items]      
Total revenue 36,478 22,348 11,167
Asia Pacific      
Disaggregation of Revenue [Line Items]      
Total revenue $ 4,655 $ 3,838 $ 2,237