Loans and Allowance for Credit Losses - Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 3,882	$ 5,868
Residential Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	1,255	3,235
Construction Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans		30
Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	2,373	1,914
Consumer loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	9	100
Commercial loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 245	$ 589