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Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) - customer	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Revenue benchmark
Revenue, Major Customer [Line Items]
Concentration risk, benchmark description	more than 10	more than 10	more than 10
Concentration risk, customer	No single customer accounted for more than 10	No single customer accounted for more than 10	No single customer accounted for more than 10
Number of customers exceeding threshold	0	0	0
Accounts receivables
Revenue, Major Customer [Line Items]
Concentration risk, benchmark description	more than 10	more than 10
Number of customers exceeding threshold	0	0

X

- Definition

Number of Customers Exceeding Threshold

+ References

No definition available.

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- Definition

Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-21

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
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-Section 50
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
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-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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