Balance Sheet Components - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Jul. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 92,330	$ 92,330
Less:
Accumulated amortization	(64,445)	(60,318)
Total intangible assets, net	27,885	32,012
Developed technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	79,300	79,300
Less:
Accumulated amortization	(54,241)	(50,764)
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	8,860	8,860
Less:
Accumulated amortization	(6,903)	(6,513)
Trade Names
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	4,170	4,170
Less:
Accumulated amortization	$ (3,301)	$ (3,041)