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Earnings Per Share - Additional Information (Detail)							1 Months Ended	3 Months Ended
	Jul. 29, 2025 USD ($) Director shares	Jun. 05, 2025 USD ($) Director shares	Mar. 01, 2025 USD ($) shares	Dec. 05, 2024 USD ($) Director shares	Jun. 06, 2024 USD ($) Director shares	Mar. 01, 2024 USD ($) shares	Aug. 31, 2025 USD ($) shares	Sep. 30, 2024 USD ($) shares
Earnings Per Share [Line Items]
Number of directors received shares | shares	288	762		54	716
Number of directors received shares | Director	1	10		1	12
Compensation annual basis committee award | $	$ 7,436	$ 17,496		$ 1,730	$ 15,007
Senior Management
Earnings Per Share [Line Items]
Restricted stock awards, Shares | shares			19,767			23,369
Restricted stock awards | $			$ 508,012			$ 472,054
Other Members of Management
Earnings Per Share [Line Items]
Restricted stock awards, Shares | shares							39,525	36,800
Restricted stock awards | $							$ 1,000,000	$ 979,616
One Director
Earnings Per Share [Line Items]
Number of directors received shares | shares		292			282
Number of directors received shares | Director		1			1
Compensation annual basis committee award | $		$ 6,704			$ 5,911

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-Name Accounting Standards Codification
-Section 50
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