Balance Sheet Components - Schedule of Allowance for Credit Loss (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2026	Jul. 31, 2025
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 14,373	$ 17,262
Provision for credit losses	4,960	9,637
Write-offs	(5,468)	(8,912)
Ending balance	$ 13,865	$ 17,987