Balance Sheet Components - Accounts Receivable (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Jan. 31, 2025	Jul. 31, 2024	Jan. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounts receivable, gross	$ 539,700	$ 517,306
Less: allowance for credit losses	(17,987)	(17,262)	$ (18,988)	$ (25,916)
Less: allowance for returns	(4,914)	(4,816)
Accounts receivable, net	$ 516,799	$ 495,228