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Income Taxes - Components of the Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Income Tax Disclosure [Abstract]    
Taxes currently payable $ 2,196 $ 1,654
Deferred income taxes (162) (15)
Income tax expense $ 2,034 $ 1,639