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Loans Receivable (Details) - Schedule of allowance for loan losses and the recorded investment in loans by portfolio - USD ($) $ in Thousands		Mar. 31, 2023	Jun. 30, 2022
Loans Individually Evaluated for Impairment [Member]
Residential real estate:
Loans individually evaluated		$ 5,091	$ 5,226
Loans acquired with deteriorated credit quality	[1]	366	400
Unpaid principal balance and recorded investment		5,457	5,626
Ending allowance attributed to loans
Loans Individually Evaluated for Impairment [Member] | One-to Four-Family [Member]
Residential real estate:
Loans individually evaluated		3,233	3,221
Loans acquired with deteriorated credit quality	[1]	366	400
Unpaid principal balance and recorded investment		3,599	3,621
Ending allowance attributed to loans
Loans Individually Evaluated for Impairment [Member] | Multi-Family [Member]
Residential real estate:
Loans individually evaluated		552	570
Loans acquired with deteriorated credit quality	[1]
Unpaid principal balance and recorded investment		552	570
Ending allowance attributed to loans
Loans Individually Evaluated for Impairment [Member] | Farm [Member]
Residential real estate:
Loans individually evaluated		270	270
Loans acquired with deteriorated credit quality	[1]
Unpaid principal balance and recorded investment		270	270
Ending allowance attributed to loans
Loans Individually Evaluated for Impairment [Member] | Nonresidential Real Estate [Member]
Residential real estate:
Loans individually evaluated		1,036	1,073
Loans acquired with deteriorated credit quality	[1]
Unpaid principal balance and recorded investment		1,036	1,073
Ending allowance attributed to loans
Loans Individually Evaluated for Impairment [Member] | Home Equity [Member]
Residential real estate:
Loans individually evaluated			87
Loans acquired with deteriorated credit quality	[1]
Unpaid principal balance and recorded investment			87
Ending allowance attributed to loans
Loans Individually Evaluated for Impairment [Member] | Unsecured [Member]
Residential real estate:
Loans individually evaluated			5
Loans acquired with deteriorated credit quality	[1]
Unpaid principal balance and recorded investment			5
Ending allowance attributed to loans
Loans Collectively Evaluated for Impairment [Member]
Residential real estate:
Unpaid principal balance and recorded investment		303,136	270,486
Ending allowance attributed to loans		1,633	1,529
Loans Collectively Evaluated for Impairment [Member] | One-to Four-Family [Member]
Residential real estate:
Unpaid principal balance and recorded investment		233,197	212,811
Ending allowance attributed to loans		835	800
Loans Collectively Evaluated for Impairment [Member] | Multi-Family [Member]
Residential real estate:
Unpaid principal balance and recorded investment		19,307	13,682
Ending allowance attributed to loans		327	231
Loans Collectively Evaluated for Impairment [Member] | Farm [Member]
Residential real estate:
Unpaid principal balance and recorded investment		1,020	1,068
Ending allowance attributed to loans		5	5
Loans Collectively Evaluated for Impairment [Member] | Nonresidential Real Estate [Member]
Residential real estate:
Unpaid principal balance and recorded investment		28,978	30,368
Ending allowance attributed to loans		408	461
Loans Collectively Evaluated for Impairment [Member] | Construction [Member]
Residential real estate:
Unpaid principal balance and recorded investment		9,234	1,363
Ending allowance attributed to loans		33	4
Loans Collectively Evaluated for Impairment [Member] | Land [Member]
Residential real estate:
Unpaid principal balance and recorded investment		507	1,062
Ending allowance attributed to loans		1	3
Loans Collectively Evaluated for Impairment [Member] | Commercial Nonmortgage [Member]
Residential real estate:
Unpaid principal balance and recorded investment		960
Ending allowance attributed to loans		2
Loans Collectively Evaluated for Impairment [Member] | Loans on Deposits [Member]
Residential real estate:
Unpaid principal balance and recorded investment		806	891
Ending allowance attributed to loans		1	1
Loans Collectively Evaluated for Impairment [Member] | Home Equity [Member]
Residential real estate:
Unpaid principal balance and recorded investment		8,656	7,583
Ending allowance attributed to loans		21	21
Loans Collectively Evaluated for Impairment [Member] | Automobile [Member]
Residential real estate:
Unpaid principal balance and recorded investment		112	117
Ending allowance attributed to loans
Loans Collectively Evaluated for Impairment [Member] | Unsecured [Member]
Residential real estate:
Unpaid principal balance and recorded investment		359	535
Ending allowance attributed to loans			1
Loans Collectively Evaluated for Impairment [Member] | Commercial and industrial [Member]
Residential real estate:
Unpaid principal balance and recorded investment			1,006
Ending allowance attributed to loans			2
Loans Collectively Evaluated for Impairment One [Member]
Residential real estate:
Unpaid principal balance and recorded investment		308,593	276,112
Ending allowance attributed to loans		$ 1,633	$ 1,529
[1] These loans were evaluated at acquisition date at their estimated fair value and there has been no subsequent deterioration since acquisition.

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