Commitments and Contingencies (Details) - USD ($)	Sep. 30, 2020	Jun. 30, 2020
Commitments to extend credit to borrowers
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 18,446,051	$ 15,853,034
Sold loan commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	115,010,561	105,961,238
Credit card commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 566,757	$ 567,763