Additional trust expenses paid by sponsor.

No definition available.

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- Definition

Common stock held in employee trust under authorization.

+ References

No definition available.

+ Details

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- Definition

Common stock value shares authorized.

+ References

No definition available.

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- Definition

Number of incidental rights distributed in payment of sponsors fee.

+ References

No definition available.

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- Definition

Number of incidental rights held.

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(5))
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- Definition

Value of common stock issued to a trust (for example, but not limited to, rabbi trust) set up specifically to accumulate stock for the sole purpose of distribution to participating employees.

+ References

No definition available.

+ Details

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- Definition

Number of common stock held in a trust that has been set up specifically to accumulate stock for the sole purpose of distribution to participating employees but not yet earned.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 25
-Paragraph 12
-Publisher FASB
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- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

+ References

No definition available.

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-3

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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Topic 946
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

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- Definition

Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

+ References

No definition available.

+ Details

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Related Parties - Additional Information (Detail)	3 Months Ended		9 Months Ended		36 Months Ended
Related Parties - Additional Information (Detail)	Jun. 30, 2025 USD ($) Right shares	Jun. 30, 2024 USD ($) Right	Jun. 30, 2025 USD ($) Right shares	Jun. 30, 2024 USD ($) Right	Jun. 30, 2025 USD ($) Right shares	Sep. 30, 2024 USD ($) Right shares	Jun. 30, 2022 USD ($)	Mar. 02, 2022 USD ($)
Related Party Transaction [Line Items]
Shares of the Trust, held by related parties \| shares	3,135,386		3,135,386		3,135,386	3,372,214
Related party sponsor fee percentage			2.50%
Number of incidental rights held \| Right	0		0		0	0
Number of Incidental Rights distributed \| Right	0	0	0	0
Additional trust expenses paid by sponsor	$ 0	$ 0	$ 0	$ 0
Maximum
Related Party Transaction [Line Items]
Common stock value, shares authorized								$ 10,000,000
Sponsor
Related Party Transaction [Line Items]
Related party maximum transaction in a fiscal year			600,000
Sponsor's Fees	53,516	$ 32,553	198,816	$ 107,521
Sponsor's Fee payable, related party	$ 0		0		$ 0	$ 0
Non Sponsor
Related Party Transaction [Line Items]
Related party maximum transaction in a fiscal year			$ 600,000
DCG
Related Party Transaction [Line Items]
Number of shares purchased under authorization \| shares					0
DCG \| Maximum
Related Party Transaction [Line Items]
Amount of the Trust, held by related parties							$ 10,000.00