Loans Receivable (Details) - Schedule of principal balance outstanding in past due loans - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Residential real estate:
Total Past Due	$ 6,251	$ 6,542
Loans Not Past Due	291,635	280,833
Total	297,886	287,375
Farm [Member]
Residential real estate:
Total Past Due	104	416
Loans Not Past Due	2,457	1,938
Total	2,561	2,354
Nonresidential real estate [Member]
Residential real estate:
Total Past Due	249	310
Loans Not Past Due	37,794	33,193
Total	38,043	33,503
Commercial nonmortgage [Member]
Residential real estate:
Total Past Due
Loans Not Past Due	1,321	2,214
Total	1,321	2,214
Loans on deposits [Member]
Residential real estate:
Total Past Due
Loans Not Past Due	1,235	1,245
Total	1,235	1,245
Home Equity Loan [Member]
Residential real estate:
Total Past Due		345
Loans Not Past Due	7,454	7,300
Total	7,454	7,645
Automobiles [Member]
Residential real estate:
Total Past Due	1
Loans Not Past Due	89	67
Total	90	67
Unsecured [Member]
Residential real estate:
Total Past Due	9
Loans Not Past Due	585	675
Total	594	675
One-to four-family [Member]
Residential real estate:
Total Past Due	5,510	5,216
Loans Not Past Due	216,933	217,273
Total	222,443	222,489
Multi-family [Member]
Residential real estate:
Total Past Due
Loans Not Past Due	18,991	12,373
Total	18,991	12,373
Construction [Member]
Residential real estate:
Total Past Due	378	255
Loans Not Past Due	3,677	3,790
Total	4,055	4,045
Land [Member]
Residential real estate:
Total Past Due
Loans Not Past Due	1,099	765
Total	1,099	765
30-89 Days Past Due [Member]
Residential real estate:
Total Past Due	3,916	3,157
30-89 Days Past Due [Member] \| Farm [Member]
Residential real estate:
Total Past Due	104	107
30-89 Days Past Due [Member] \| Nonresidential real estate [Member]
Residential real estate:
Total Past Due		57
30-89 Days Past Due [Member] \| Commercial nonmortgage [Member]
Residential real estate:
Total Past Due
30-89 Days Past Due [Member] \| Loans on deposits [Member]
Residential real estate:
Total Past Due
30-89 Days Past Due [Member] \| Home Equity Loan [Member]
Residential real estate:
Total Past Due		255
30-89 Days Past Due [Member] \| Automobiles [Member]
Residential real estate:
Total Past Due	1
30-89 Days Past Due [Member] \| Unsecured [Member]
Residential real estate:
Total Past Due	9
30-89 Days Past Due [Member] \| One-to four-family [Member]
Residential real estate:
Total Past Due	3,424	2,546
30-89 Days Past Due [Member] \| Multi-family [Member]
Residential real estate:
Total Past Due
30-89 Days Past Due [Member] \| Construction [Member]
Residential real estate:
Total Past Due	378	192
30-89 Days Past Due [Member] \| Land [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member]
Residential real estate:
Total Past Due	2,335	3,385
90 Days or Greater Past Due [Member] \| Farm [Member]
Residential real estate:
Total Past Due		309
90 Days or Greater Past Due [Member] \| Nonresidential real estate [Member]
Residential real estate:
Total Past Due	249	253
90 Days or Greater Past Due [Member] \| Commercial nonmortgage [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member] \| Loans on deposits [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member] \| Home Equity Loan [Member]
Residential real estate:
Total Past Due		90
90 Days or Greater Past Due [Member] \| Automobiles [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member] \| Unsecured [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member] \| One-to four-family [Member]
Residential real estate:
Total Past Due	2,086	2,670
90 Days or Greater Past Due [Member] \| Multi-family [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member] \| Construction [Member]
Residential real estate:
Total Past Due		63
90 Days or Greater Past Due [Member] \| Land [Member]
Residential real estate:
Total Past Due