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Assets Held for Sale - Narrative (Details) |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Mar. 15, 2022 USD ($) Property | Dec. 03, 2021 USD ($) Property | Jun. 03, 2021 USD ($) Property | Apr. 15, 2021 USD ($) Property | Dec. 18, 2020 USD ($) Property | Nov. 30, 2021 USD ($) Property | Jun. 30, 2022 USD ($) Property | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jun. 30, 2022 USD ($) Property | Jun. 30, 2021 USD ($) | Sep. 30, 2021 USD ($) Property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, property and equipment and assets held for sale |  |  |  |  |  |  | $ 5,755,000 | $ 30,288,000 |  | $ 40,804,000 | $ 33,635,000 |
Discontinued Operations, Disposed of by Sale | Alico Ranch |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Long lived assets acres of land sold | Property | 6,286 |  |  |  |  | 302 | 1,187 |  |  | 1,187 |  |
Gain on sale of real estate, property and equipment and assets held for sale | $ 28,288,000 | $ 5,675,000 | $ 12,219,000 | $ 14,445,000 | $ 2,630,000 | $ 1,476,000 | $ 5,997,000 |  |  |  |  | $ 8,286,000
Gain (loss) on disposal of discontinued operation | $ 26,554,000 | $ 5,570,000 | $ 11,351,000 | $ 13,921,000 | $ 2,550,000 | $ 1,404,000 | 5,616,000 |  | $ 814,000 | $ 1,800 |  | $ 7,697,000
Acres of land purchased | Property |  | 1,638 | 11,700 | 5,734 | 600 |  |  |  |  |  |  | 1,742
Discontinued Operations, Disposed of by Sale | Alico Ranch | Employee |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, property and equipment and assets held for sale |  |  |  |  |  |  | $ 651,000 |  |  |  |  |
Acres of land sold | Property |  |  |  |  |  |  | 142 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | East Ranch | Employee |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, property and equipment and assets held for sale |  |  |  |  |  |  |  |  |  |  |  | $ 392,000
Acres of land sold | Property |  |  |  |  |  |  |  |  |  |  |  | 97

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