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Changes in Accumulated Other Comprehensive Income (AOCI) by Component - Amounts Reclassified from Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gains on available-for-sale securities	$ 267	$ 11
Tax expense	1,639	1,293
Net Income	4,245	3,558
Amounts Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassified amount before tax	626	115
Tax expense	199	11
Net Income	427	104
Accumulated Net Realized Investment Gains (Losses) [Member] | Amounts Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gains on available-for-sale securities	267	11
Amortization of Defined Benefit Pension Items [Member] | Amounts Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Actuarial losses	$ 359	$ 104

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This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.

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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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