Loans and Allowance for Loan Losses - Summary of TDRs (Details)	3 Months Ended
	Sep. 30, 2020 USD ($)
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	$ 195,924
Transfer to other than category	0
Principal payments	(2,304)
Charge-offs	0
Sales	0
New restructureds	47,854
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Transfers from accrual	0
Ending balance	241,474
Accruing
Loans and Leases Receivable Disclosure [Line Items]
Transfer to other than category	0
Principal payments	(2,304)
Charge-offs	0
Sales	0
New restructureds	47,854
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Ending balance	241,474
Nonaccrual
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Principal payments	0
Charge-offs	0
Sales	0
Transfer to foreclosed properties	0
Transfers from accrual	0
Transfers to accrual	0
Ending balance	0
Construction, Land, Development
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Transfers from accrual	0
Ending balance	0
Construction, Land, Development | Accruing
Loans and Leases Receivable Disclosure [Line Items]
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Ending balance	0
Construction, Land, Development | Nonaccrual
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Principal payments	0
Charge-offs	0
Sales	0
Transfer to foreclosed properties	0
Transfers from accrual	0
Transfers to accrual	0
Ending balance	0
1-4 Family Owner Occupied
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	195,924
Transfer to other than category	0
Principal payments	(2,304)
Charge-offs	0
Sales	0
New restructureds	47,854
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Transfers from accrual	0
Ending balance	241,474
1-4 Family Owner Occupied | Accruing
Loans and Leases Receivable Disclosure [Line Items]
Transfer to other than category	0
Principal payments	(2,304)
Charge-offs	0
Sales	0
New restructureds	47,854
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Ending balance	241,474
1-4 Family Owner Occupied | Nonaccrual
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Principal payments	0
Charge-offs	0
Sales	0
Transfer to foreclosed properties	0
Transfers from accrual	0
Transfers to accrual	0
Ending balance	0
1-4 Family Non-Owner Occupied
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Transfers from accrual	0
Ending balance	0
1-4 Family Non-Owner Occupied | Accruing
Loans and Leases Receivable Disclosure [Line Items]
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Ending balance	0
1-4 Family Non-Owner Occupied | Nonaccrual
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Principal payments	0
Charge-offs	0
Sales	0
Transfer to foreclosed properties	0
Transfers from accrual	0
Transfers to accrual	0
Ending balance	0
Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Transfers from accrual	0
Ending balance	0
Multifamily | Accruing
Loans and Leases Receivable Disclosure [Line Items]
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Ending balance	0
Multifamily | Nonaccrual
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Principal payments	0
Charge-offs	0
Sales	0
Transfer to foreclosed properties	0
Transfers from accrual	0
Transfers to accrual	0
Ending balance	0
Commercial Owner Occupied
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Transfers from accrual	0
Ending balance	0
Commercial Owner Occupied | Accruing
Loans and Leases Receivable Disclosure [Line Items]
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Ending balance	0
Commercial Owner Occupied | Nonaccrual
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Principal payments	0
Charge-offs	0
Sales	0
Transfer to foreclosed properties	0
Transfers from accrual	0
Transfers to accrual	0
Ending balance	0
Commercial Non-Owner Occupied
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Transfers from accrual	0
Ending balance	0
Commercial Non-Owner Occupied | Accruing
Loans and Leases Receivable Disclosure [Line Items]
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Ending balance	0
Commercial Non-Owner Occupied | Nonaccrual
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Principal payments	0
Charge-offs	0
Sales	0
Transfer to foreclosed properties	0
Transfers from accrual	0
Transfers to accrual	0
Ending balance	0
Consumer and Installment Loan
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Transfers from accrual	0
Ending balance	0
Consumer and Installment Loan | Accruing
Loans and Leases Receivable Disclosure [Line Items]
Transfer to other than category	0
Principal payments	0
Charge-offs	0
Sales	0
New restructureds	0
Transfers out of TDR status	0
Transfer to foreclosed properties	0
Transfers to nonaccrual	0
Transfers out of nonaccrual	0
Ending balance	0
Consumer and Installment Loan | Nonaccrual
Loans and Leases Receivable Disclosure [Line Items]
Beginning balance	0
Principal payments	0
Charge-offs	0
Sales	0
Transfer to foreclosed properties	0
Transfers from accrual	0
Transfers to accrual	0
Ending balance	$ 0