Balance Sheet Components - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Jul. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 92,330	$ 92,330
Less:
Accumulated amortization	(72,482)	(60,318)
Total intangible assets, net	19,848	32,012
Developed technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	79,300	79,300
Less:
Accumulated amortization	(60,975)	(50,764)
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	8,860	8,860
Less:
Accumulated amortization	(7,684)	(6,513)
Trade Names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	4,170	4,170
Less:
Accumulated amortization	$ (3,823)	$ (3,041)