Loans and Allowance for Credit Losses - Schedule of Debtor Troubled Debt Restructuring, Current Period (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Total Loans
Number of modifications	0	0	4	0
Recorded investment	$ 0	$ 0	$ 1,927	$ 0
Consumer Loan
Number of modifications	0	0	0	0
Recorded investment	$ 0	$ 0	$ 0	$ 0
Commercial Loan
Number of modifications	0	0	1	0
Recorded investment	$ 0	$ 0	$ 33	$ 0
Construction Real Estate
Number of modifications	0	0	0	0
Recorded investment	$ 0	$ 0	$ 0	$ 0
Residential real estate loans
Number of modifications	0	0	1	0
Recorded investment	$ 0	$ 0	$ 96	$ 0
Commercial Real Estate
Number of modifications	0	0	2	0
Recorded investment	$ 0	$ 0	$ 1,798	$ 0