Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Oct. 31, 2024	Jan. 31, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,221,522	$ 958,438
Less: Accumulated depreciation and amortization	(474,955)	(338,266)
Property and equipment, net	746,567	620,172
Data center and other computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	694,817	525,890
Capitalized internal-use software and website development costs
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	248,397	183,117
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	42,083	39,168
Purchased software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	15,355	10,907
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,289	8,524
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 210,581	$ 190,832