Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 31, 2026	Jan. 31, 2026
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	$ 686,156	$ 653,460
Less: accumulated depreciation and amortization	(431,451)	(388,935)
Property and equipment, net	254,705	264,525
Servers
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	394,574	386,702
Software
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	185,635	157,347
Computer and office equipment
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	46,464	45,944
Leasehold improvements
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	54,314	57,761
Furniture and fixtures
Property, Plant, and Equipment [Line Items]
Property and equipment, gross	$ 5,169	$ 5,706