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Loans Receivable (Details) - Schedule of allowance for loan losses by portfolio segment - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Loans on deposits [Member]
Residential real estate:
Beginning balance	$ 1	$ 1	$ 1	$ 2
Provision for loan losses				(1)
Loans charged off
Recoveries
Ending balance	1	1	1	1
Home Equity [Member]
Residential real estate:
Beginning balance	21	17	21
Provision for loan losses		5
Loans charged off
Recoveries
Ending balance	21	22	21	22
Automobiles [Member]
Residential real estate:
Beginning balance
Provision for loan losses
Loans charged off
Recoveries
Ending balance
Unsecured [Member]
Residential real estate:
Beginning balance	1	1	1	1
Provision for loan losses	(1)	(1)	(1)	1
Loans charged off				(3)
Recoveries		1		2
Ending balance		1		1
Loans Receivable [Member]
Residential real estate:
Beginning balance	1,655	1,603	1,529	1,622
Provision for loan losses		(106)	113	(106)
Loans charged off	(22)	(14)	(22)	(34)
Recoveries		1	13	2
Ending balance	1,633	1,484	1,633	1,484
Home Equity Loan [Member]
Residential real estate:
Beginning balance				15
Provision for loan losses				7
Loans charged off
Recoveries
Ending balance		22		22
One-to Four-Family [Member]
Residential real estate:
Beginning balance	778	831	800	794
Provision for loan losses	79	(58)	44	(4)
Loans charged off	(22)	(14)	(22)	(31)
Recoveries			13
Ending balance	835	759	835	759
Multi-Family [Member]
Residential real estate:
Beginning balance	363	212	231	291
Provision for loan losses	(36)	11	96	(68)
Loans charged off
Recoveries
Ending balance	327	223	327	223
Construction [Member]
Residential real estate:
Beginning balance	26	6	4	12
Provision for loan losses	7	(1)	29	(7)
Loans charged off
Recoveries
Ending balance	33	5	33	5
Land [Member]
Residential real estate:
Beginning balance	1		3	3
Provision for loan losses		4	(2)	1
Loans charged off
Recoveries
Ending balance	1	4	1	4
Farm [Member]
Residential real estate:
Beginning balance	5	6	5	5
Provision for loan losses				1
Loans charged off
Recoveries
Ending balance	5	6	5	6
Nonresidential real estate [Member]
Residential real estate:
Beginning balance	457	526	461	494
Provision for loan losses	(49)	(65)	(53)	(33)
Loans charged off
Recoveries
Ending balance	408	461	408	461
Commercial nonmortgage [Member]
Residential real estate:
Beginning balance	2	3	2	5
Provision for loan losses		(1)		(3)
Loans charged off
Recoveries
Ending balance	$ 2	$ 2	$ 2	$ 2

X

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)(4)
-SubTopic 10
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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-Section 50
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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.

+ References

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Amount of expense related to estimated loss from loan and lease transactions.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
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