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Income Taxes - Reconciliation of Income Tax Expense at the Statutory Rate (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Income Taxes Paid, Net [Abstract]
Computed at the statutory rate	$ 427	$ 281	$ 814	$ 599
Decrease resulting from
Tax exempt interest	(2)	(5)	(4)	(11)
Cash surrender value of life insurance	(14)	(14)	(29)	(29)
State income taxes	153	103	288	213
Other	7	7	14	15
Income tax expense	$ 571	$ 372	$ 1,083	$ 787

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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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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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