Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Income Taxes
Provision for income taxes	$ 1,121	$ 683	$ 1,943	$ 2,693
Expected income tax provision at statutory rate			26.70%
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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration