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Income Taxes - Reconciliation of Income Tax Expense at the Statutory Rate (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Taxes Paid, Net [Abstract]
Computed at the statutory rate	$ 387	$ 318
Decrease resulting from
Tax exempt interest	(2)	(6)
Cash surrender value of life insurance	(14)	(14)
State income taxes	134	110
Other	7	7
Income tax expense	$ 512	$ 415

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

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