Geographic Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenue	$ 241,006	$ 146,490	$ 144,515
United States
Disaggregation of Revenue [Line Items]
Total revenue	205,186	131,571	130,184
Rest of World
Disaggregation of Revenue [Line Items]
Total revenue	$ 35,820	$ 14,919	$ 14,331