Securities - Sales of Securities Available for Sale (Detail) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Investments Debt And Equity Securities [Abstract]
Proceeds from sales of securities	$ 100,336	$ 98,084	$ 164,299
Gross realized gains	0	1,196	2,363
Gross realized losses	(565)	(470)	(145)
Net gain (loss) on sales of securities	$ (565)	$ 726	$ 2,218

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
-Paragraph 9
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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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-Publisher FASB
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