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Loans and Allowance for Loan Losses - Categories of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Real estate loans
Total loans	$ 515,887	$ 493,753
Unearned fees and discounts, net	(164)	(349)
Allowance for loan losses	6,234	6,328	$ 5,945
Loans, net	509,817	487,774
One- to four-family [Member]
Real estate loans
Total loans	128,876	129,290
Allowance for loan losses	1,044	1,031	997
Multi-family [Member]
Real estate loans
Total loans	96,195	104,663
Allowance for loan losses	1,514	1,642	1,650
Home equity lines of credit [Member]
Real estate loans
Total loans	8,551	8,938
Allowance for loan losses	87	89	91
Construction [Member]
Real estate loans
Total loans	22,042	16,113
Allowance for loan losses	240	213	168
Commercial [Member]
Real estate loans
Total loans	145,113	143,367
Allowance for loan losses	1,706	1,623	1,604
Commercial [Member]
Real estate loans
Total loans	107,581	84,246
Allowance for loan losses	1,583	1,659	1,373
Consumer [Member]
Real estate loans
Total loans	7,529	7,136
Allowance for loan losses	$ 60	$ 71	$ 62

X

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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