Stock-based Compensation - Narrative (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Jan. 27, 2015 |
Sep. 30, 2024 |
Sep. 30, 2023 |
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| Class Of Stock [Line Items] | |||
| Unrecognized expense | $ 0 | $ 0 | |
| Stock-based compensation | 719,000 | 935,000 | |
| Total Alico, Inc. Equity | |||
| Class Of Stock [Line Items] | |||
| Stock-based compensation | 719,000 | 935,000 | |
| Restricted Stock | |||
| Class Of Stock [Line Items] | |||
| Stock-based compensation | 226,000 | 329,000 | |
| Options | |||
| Class Of Stock [Line Items] | |||
| Unrecognized expense | 150,000 | 150,000 | |
| Stock-based compensation | 0 | 18,000 | |
| Board of Directors Fees | |||
| Class Of Stock [Line Items] | |||
| Stock-based compensation | $ 493,000 | $ 588,000 | |
| 2015 Option Grants | |||
| Class Of Stock [Line Items] | |||
| Number of shares authorized to be repurchased (up to) (in shares) | 1,250,000 | ||
| Number of shares available for grant (in shares) | 1,127,000 | ||
| 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 | ||
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- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment arrangement. No definition available.
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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 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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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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