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Loans (Details) - Schedule of allowance for loan losses by portfolio segment - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
One- to four-family [Member]
Residential real estate:
Beginning balance	$ 671	$ 685
Provision for loan losses	146	49
Loans charged off	(23)	(65)
Recoveries		2
Ending balance	794	671
Multi-family [Member]
Residential real estate:
Beginning balance	184	200
Provision for loan losses	107	(16)
Loans charged off
Recoveries
Ending balance	291	184
Construction [Member]
Residential real estate:
Beginning balance	6	6
Provision for loan losses	6
Loans charged off
Recoveries
Ending balance	12	6
Land [Member]
Residential real estate:
Beginning balance	1	1
Provision for loan losses	2
Loans charged off
Recoveries
Ending balance	3	1
Farm [Member]
Residential real estate:
Beginning balance	4	6
Provision for loan losses	1	(2)
Loans charged off
Recoveries
Ending balance	5	4
Nonresidential real estate [Member]
Residential real estate:
Beginning balance	405	336
Provision for loan losses	89	69
Loans charged off
Recoveries
Ending balance	494	405
Commercial and industrial [Member]
Residential real estate:
Beginning balance	3	5
Provision for loan losses	2	(2)
Loans charged off
Recoveries
Ending balance	5	3
Loans on deposits [Member]
Residential real estate:
Beginning balance	2	3
Provision for loan losses		(1)
Loans charged off
Recoveries
Ending balance	2	2
Home equity [Member]
Residential real estate:
Beginning balance	11	14
Provision for loan losses	42	(3)
Loans charged off	(45)
Recoveries	7
Ending balance	15	11
Auto [Member]
Residential real estate:
Beginning balance
Provision for loan losses		8
Loans charged off		(8)
Recoveries
Ending balance
Unsecured [Member]
Residential real estate:
Beginning balance	1
Provision for loan losses	(3)	1
Loans charged off
Recoveries	3
Ending balance	1	1
Unallocated [Member]
Residential real estate:
Beginning balance	200	200
Provision for loan losses	(200)
Loans charged off
Recoveries
Ending balance		200
Total [Member]
Residential real estate:
Beginning balance	1,488	1,456
Provision for loan losses	192	103
Loans charged off	(68)	(73)
Recoveries	10	2
Ending balance	$ 1,622	$ 1,488

X

- Definition

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

No definition available.

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- References

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X

- Definition

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(4)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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-SubTopic 10
-Section 50
-Paragraph 11B
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