Income Taxes (Narrative) (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Sep. 30, 2024 |
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| Income Tax Disclosure [Abstract] | ||
| Net operating loss carryforward | $ 23,600 | $ 30,500 |
| Operating loss carryforwards | $ 97,000 | |
| Operating loss carryforwards, expiration | will carry forward indefinitely | |
| Low income housing tax credit carryforward | $ 17,100 | 12,800 |
| Tax credit carryforward, expiration | Federal tax credits carry forward for 20 years. | |
| Valuation allowance | $ 33 | $ 27 |
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income. No definition available.
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- Definition Description of the limitation related to use of the tax credit carryforward. No definition available.
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