Note 8. Commitments and Contingent Liabilities - Guarantees Textuals (Details) - USD ($) |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Guarantee Obligations | ||
| Contingent Liabilities | ||
| Loss Contingency Accrual, at Carrying Value | $ 0 | $ 0 |
| Financial Standby Letter of Credit | ||
| Contingent Liabilities | ||
| Loss Contingency Accrual, at Carrying Value | 0 | 0 |
| Unused standby letters of credit | $ 400,000 | $ 400,000 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of loss contingency liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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