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Loans and Allowance for Credit Losses - Gross Charge-offs by Loan Class and Year of Origination (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
2024 |  |  | $ 7 |
2023 |  |  | 778 |
2022 |  |  | 355 |
2021 |  |  | 247 |
Prior |  |  | 43 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | $ 114 | $ 113 | 1,430 | $ 453
Residential Real Estate |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
2021 |  |  | 97 |
Prior |  |  | 36 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | 1 |  | 133 | 2
Construction Real Estate |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
2023 |  |  | 100 |
2022 |  |  | 78 |
2021 |  |  | 111 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total |  |  | 289 |
Commercial Real Estate |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
2023 |  |  | 496 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total |  |  | 496 | 245
Consumer loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
2024 |  |  | 7 |
2023 |  |  | 123 |
2022 |  |  | 97 |
2021 |  |  | 29 |
Prior |  |  | 7 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | 48 | $ 113 | 263 | 189
Commercial loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
2023 |  |  | 59 |
2022 |  |  | 180 |
2021 |  |  | 10 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | $ 65 |  | $ 249 | $ 17

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