Balance Sheet Components - Schedule of Accounts Receivable (Details) - USD ($) $ in Thousands	Jul. 31, 2026	Jan. 31, 2026	Jul. 31, 2025	Jan. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounts receivable, gross	$ 551,383	$ 515,687
Less: allowance for credit losses	(13,865)	(14,373)	$ (17,987)	$ (17,262)
Less: allowance for returns	(4,560)	(3,975)
Accounts receivable, net	$ 532,958	$ 497,339