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Income Taxes - Reconciliation of Income Tax Expense at the Statutory Rate (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Income Taxes Paid, Net [Abstract]
Computed at the statutory rate	$ 536	$ 387
Decrease resulting from
Tax exempt interest	(2)	(2)
Cash surrender value of life insurance	(50)	(14)
State income taxes	178	134
Other	1	7
Actual expense	$ 663	$ 512

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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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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.

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