Balance Sheet Components - Rollforward of Allowance For Credit Losses (Details) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 17,000	$ 20,500
Provision for credit losses	34,610	19,416
Write-offs	(27,265)	(18,816)
Ending balance	$ 24,345	$ 21,100