Earnings per Share - Additional information (Details) - shares	3 Months Ended
Nov. 30, 2023	Nov. 30, 2022
Earnings per Share
Antidilutive potential common shares	40,000	40,000
Convertible preferred stock (in shares)	36,000	36,000
Series A cumulative convertible preferred stock
Earnings per Share
Convertible preferred stock (in shares)	36,000	36,000

Number of shares issued for each share of convertible preferred stock that is converted.

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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant