Balance Sheet Components - Rollforward of Allowance For Credit Losses (Details) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 25,916	$ 24,900
Provision for credit losses	19,505	39,397
Write-offs	(25,250)	(30,968)
Ending balance	$ 20,171	$ 33,329