Composition of Certain Financial Statement Items - Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 125,341	$ 65,034	$ 315,267	$ 161,665
United States
Disaggregation of Revenue [Line Items]
Total revenue	101,559	54,561	248,485	139,321
Rest of World
Disaggregation of Revenue [Line Items]
Total revenue	$ 23,782	$ 10,473	$ 66,782	$ 22,344