Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Income Taxes
Provision for income taxes	$ 1,204,000	$ 524,000	$ 3,593,000	$ 822,000
Expected income tax provision at statutory rate	26.10%		26.10%
Effective income tax statutory rate			21.00%

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration