Investments in Unconsolidated Entities (Details) - USD ($) $ in Thousands	9 Months Ended
May 31, 2021	Aug. 31, 2020
Schedule Of Investments [Line Items]
Equity investment without readily determinable fair value	$ 1,015	$ 952
Total investments in unconsolidated entities	1,015	$ 952
Unconsolidated Entities
Schedule Of Investments [Line Items]
Dividend received from unconsolidated entities	$ 0

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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