Loans - Summary of aging of the past due loans (Details) - USD ($)	Sep. 30, 2022	Jun. 30, 2022
Financing Receivable, Past Due [Line Items]
Nonaccrual Balance	$ 5,762	$ 63,785
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	30,248	70,485
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	70,216
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	5,762	63,785
Residential [Member] | One-to-four-family residential | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	30,248	70,485
Residential [Member] | One-to-four-family residential | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 70,216
Residential [Member] | One-to-four-family residential | 90 Days Or Greater
Financing Receivable, Past Due [Line Items]
Total Past Due		$ 50,818