Loans and Allowance for Credit Losses - Schedule of Debtor Troubled Debt Restructuring, Current Period (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021 USD ($) loan	Mar. 31, 2020 USD ($) loan	Mar. 31, 2021 USD ($) loan	Mar. 31, 2020 USD ($) loan
Total Loans
Number of modifications | loan	0	0	4	0
Recorded investment | $	$ 0	$ 0	$ 1,814	$ 0
Consumer Loan
Number of modifications | loan	0	0	0	0
Recorded investment | $	$ 0	$ 0	$ 0	$ 0
Commercial Loan
Number of modifications | loan	0	0	1	0
Recorded investment | $	$ 0	$ 0	$ 29	$ 0
Construction Real Estate
Number of modifications | loan	0	0	0	0
Recorded investment | $	$ 0	$ 0	$ 0	$ 0
Residential real estate loans
Number of modifications | loan	0	0	1	0
Recorded investment | $	$ 0	$ 0	$ 93	$ 0
Commercial Real Estate
Number of modifications | loan	0	0	2	0
Recorded investment | $	$ 0	$ 0	$ 1,692	$ 0