Balance Sheet Components - Summary of Activity of Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Capitalized Contract Cost [Abstract]
Beginning balance	$ 89,331	$ 50,245
Capitalization of contract acquisition costs	39,668	26,333
Amortization of deferred contract acquisition costs	(19,980)	(10,129)
Ending balance	109,019	66,449
Deferred contract acquisition costs, current	36,219	20,481
Deferred contract acquisition costs, non-current	72,800	45,968
Total deferred contract acquisition costs	$ 109,019	$ 66,449