Balance Sheet Components - Rollforward of Allowance For Credit Losses (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 25,916	$ 24,900
Provision for credit losses	13,052	30,250
Write-offs	(19,980)	(17,057)
Ending balance	$ 18,988	$ 38,093