Leases - Schedule of Weighted Average Remaining Lease Terms and Discount Rate of Operating Leases (Detail)	Sep. 30, 2024	Sep. 30, 2023
Office and warehouse space
Leases
Weighted average remaining lease term	4 years	4 years 5 months 1 day
Weighted average discount rate	5.59%	5.16%
Vehicles
Leases
Weighted average remaining lease term	25 days	4 months 9 days
Weighted average discount rate	0.98%	1.19%
Office equipment
Leases
Weighted average remaining lease term		7 days
Weighted average discount rate	0.04%	0.09%

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.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
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-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

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