Loans - Summary of aging of the past due loans (Details) - USD ($)	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable, Past Due [Line Items]
Nonaccrual Balance	$ 63,785	$ 178,394
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	70,485	45,284
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due		3,635
90 Days Or Greater
Financing Receivable, Past Due [Line Items]
Total Past Due	50,818
Residential [Member] | One-to-four-family residential
Financing Receivable, Past Due [Line Items]
Nonaccrual Balance	63,785	178,394
Residential [Member] | One-to-four-family residential | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	70,485	30,165
Residential [Member] | One-to-four-family residential | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due		3,635
Residential [Member] | One-to-four-family residential | 90 Days Or Greater
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 50,818
Consumer Loans [Member] | Consumer | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due		$ 15,119