Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
Property Plant And Equipment [Line Items]
Total property and equipment, gross	$ 470,622	$ 471,448
Less: accumulated depreciation	(392,064)	(365,693)
Total property and equipment, net	78,558	105,755
Servers and related equipment
Property Plant And Equipment [Line Items]
Total property and equipment, gross	354,542	353,787
Leasehold improvements
Property Plant And Equipment [Line Items]
Total property and equipment, gross	78,984	75,981
Computer hardware
Property Plant And Equipment [Line Items]
Total property and equipment, gross	21,293	20,935
Furniture and fixtures
Property Plant And Equipment [Line Items]
Total property and equipment, gross	15,228	14,421
Construction in progress
Property Plant And Equipment [Line Items]
Total property and equipment, gross	$ 575	$ 6,324