Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jan. 31, 2026	Jan. 31, 2025
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 653,460	$ 658,596
Less: accumulated depreciation and amortization	(388,935)	(328,121)
Property and equipment, net	264,525	330,475
Servers
Property, Plant and Equipment [Line Items]
Property and equipment, gross	386,702	427,664
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	157,347	123,259
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	45,944	47,021
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	57,761	54,885
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,706	$ 5,767