Revenues - Disaggregation of Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 87,407	$ 49,930
United States
Disaggregation of Revenue [Line Items]
Total revenue	72,274	41,687
Europe
Disaggregation of Revenue [Line Items]
Total revenue	12,988	7,113
Asia Pacific
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,145	$ 1,130