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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
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | $ 6 |
2023 | 45 |
2022 | 26 |
2021 | 218 |
Prior | 40 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | 335 | $ 37
Residential Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 97 |
Prior | 35 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | 132 | 2
Construction Real Estate |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 111 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | 111 |
Consumer loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 6 |
2023 | 41 |
2022 | 26 |
2021 | 10 |
Prior | 5 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | 88 | $ 35
Commercial loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 4 |
Financing Receivable, Allowance for Credit Loss, Writeoff, Total | $ 4 |

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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
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- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
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- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
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- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
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