Balance Sheet Components - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands		12 Months Ended
		Jul. 31, 2022	Jul. 31, 2021
Finite-lived intangible assets:
Total intangible assets, gross		$ 92,330	$ 92,330
Less:
Accumulated amortization		(76,501)	(60,318)
Intangible assets, net		15,829	32,012
Intangible assets, net—beginning balance		32,012	49,392
Amortization of intangible assets	[1]	(16,183)	(17,380)
Intangible assets, net—ending balance		15,829	32,012
Developed technology
Finite-lived intangible assets:
Finite-lived intangible assets, gross		79,300	79,300
Less:
Accumulated amortization		(64,344)	(50,764)
Customer relationships
Finite-lived intangible assets:
Finite-lived intangible assets, gross		8,860	8,860
Less:
Accumulated amortization		(8,074)	(6,513)
Trade Names
Finite-lived intangible assets:
Finite-lived intangible assets, gross		4,170	4,170
Less:
Accumulated amortization		$ (4,083)	$ (3,041)

[1] Represents amortization expense related to intangible assets recognized during the year in our consolidated statements of operations, within product cost of revenue and sales and marketing expense.