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Earnings Per Share - Additional Information (Detail)					3 Months Ended
	Jun. 06, 2024 USD ($) Director shares	Mar. 01, 2024 USD ($) shares	Jun. 02, 2023 USD ($) Director shares	Mar. 01, 2023 USD ($) shares	Sep. 30, 2024 USD ($) shares	Sep. 30, 2023 USD ($) shares
Earnings Per Share [Line Items]
Number of directors received shares | shares	716		754
Number of directors received shares | Director	12		12
Compensation annual basis committee award | $	$ 15,007		$ 14,997
Senior Management
Earnings Per Share [Line Items]
Restricted stock awards, Shares | shares		23,369		21,700
Restricted stock awards | $		$ 472,054		$ 562,030
Other Members of Management
Earnings Per Share [Line Items]
Restricted stock awards, Shares | shares					36,800	41,225
Restricted stock awards | $					$ 979,616	$ 844,018
One Director
Earnings Per Share [Line Items]
Number of directors received shares | shares	282
Number of directors received shares | Director	1
Compensation annual basis committee award | $	$ 5,911

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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