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Loans and Allowance for Credit Losses - Categories of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Real estate loans
Total loans	$ 646,389	$ 594,324
Unearned fees and discounts, net	(407)	(272)
Allowance for credit losses	7,499	7,139	$ 7,052
Loans, net	639,297	587,457
One- to four-family [Member]
Real estate loans
Total loans	177,263	163,854
Allowance for credit losses	1,774	1,898	1,028
Multi-family [Member]
Real estate loans
Total loans	126,031	89,649
Allowance for credit losses	1,764	1,121	1,375
Home equity lines of credit [Member]
Real estate loans
Total loans	9,859	8,066
Allowance for credit losses	148	121	70
Construction [Member]
Real estate loans
Total loans	33,708	50,973
Allowance for credit losses	337	765	489
Commercial Business [Member]
Real estate loans
Total loans	200,017	193,707
Allowance for credit losses	2,358	2,369	1,985
Commercial [Member]
Real estate loans
Total loans	91,784	79,693
Allowance for credit losses	1,053	794	2,025
Consumer [Member]
Real estate loans
Total loans	7,727	8,382
Allowance for credit losses	$ 65	$ 71	$ 80

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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