Stock-based Compensation - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Sep. 30, 2024 |
Jan. 27, 2015 |
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| Class Of Stock [Line Items] | ||||
| Unrecognized stock compensation | $ 0 | $ 0 | ||
| Board Of Directors Fees | ||||
| Class Of Stock [Line Items] | ||||
| Stock compensation expense | 119 | $ 138 | ||
| Restricted Stock | ||||
| Class Of Stock [Line Items] | ||||
| Stock compensation expense | 60 | |||
| Unrecognized expense | 94 | 150 | ||
| Market Based Restricted Stock Units | ||||
| Class Of Stock [Line Items] | ||||
| Stock compensation expense | 179 | $ 194 | ||
| Unrecognized stock compensation | $ 0 | |||
| Share-based payment arrangement, nonvested award, excluding option, cost not yet recognized, amount | $ 464 | |||
| 2015 Option Grants | ||||
| Class Of Stock [Line Items] | ||||
| Number of shares authorized to be repurchased (up to) (in shares) | 1,250,000 | |||
| 2015 Option Grants | Minimum | ||||
| Class Of Stock [Line Items] | ||||
| Award vesting period | 1 year | |||
| 2015 Option Grants | Maximum | ||||
| Class Of Stock [Line Items] | ||||
| Award vesting period | 6 years | |||
| X | ||||||||||
- Definition Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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/exampleRef
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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