Balance Sheet Components - Accounts Receivable (Details) - USD ($) $ in Thousands	Oct. 31, 2025	Jan. 31, 2025	Oct. 31, 2024	Jan. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounts receivable, gross	$ 435,821	$ 517,306
Less: allowance for credit losses	(14,159)	(17,262)	$ (20,171)	$ (25,916)
Less: allowance for returns	(3,969)	(4,816)
Accounts receivable, net	$ 417,693	$ 495,228