Loans and Allowance for Credit Losses - Categories of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Real estate loans
Total loans	$ 639,886	$ 646,389
Unearned fees and discounts, net	(344)	(407)
Allowance for credit losses	6,627	7,499	$ 7,139
Loans, net	633,603	639,297
One- to four-family [Member]
Real estate loans
Total loans	178,979	177,263
Allowance for credit losses	1,475	1,774	1,898
Multi-family [Member]
Real estate loans
Total loans	126,127	126,031
Allowance for credit losses	1,513	1,764	1,121
Home equity lines of credit [Member]
Real estate loans
Total loans	10,487	9,859
Allowance for credit losses	144	148	121
Construction [Member]
Real estate loans
Total loans	22,927	33,708
Allowance for credit losses	206	337	765
Commercial Business [Member]
Real estate loans
Total loans	201,550	200,017
Allowance for credit losses	2,252	2,358	2,369
Commercial [Member]
Real estate loans
Total loans	93,961	91,784
Allowance for credit losses	985	1,053	794
Consumer [Member]
Real estate loans
Total loans	5,855	7,727
Allowance for credit losses	$ 52	$ 65	$ 71

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

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