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Loans and Allowance for Credit Losses - Nonaccrual Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 30, 2020
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | $ 5,868 | $ 8,657
Residential Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 3,235 | 4,010
Construction Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 30 |
Commercial Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 1,914 | 3,106
Consumer loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | 100 | 196
Commercial loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual loans | $ 589 | $ 1,345

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