Alico, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Assets Held for Sale - Narrative (Details)

Assets Held for Sale - Narrative (Details)										12 Months Ended
Assets Held for Sale - Narrative (Details)	Sep. 10, 2020 USD ($) a	Mar. 27, 2020 USD ($)	Oct. 30, 2018 USD ($)	May 02, 2018 USD ($)	Feb. 12, 2018 USD ($)	Feb. 09, 2018 USD ($)	Jan. 25, 2018 USD ($)	Jan. 19, 2018 USD ($)	Oct. 30, 2017 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
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										$ 30,424,000	$ 13,166,000	$ 11,041,000
Gain (loss) on disposal of discontinued operation		$ 2,748,000
Consideration for discontinued operation		$ 2,980,000								47,000
Asset Impairment Charges										$ 0	$ 152,000	$ 150,000
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposal of discontinued operation			$ 12,000
Consideration for discontinued operation			$ 206,000
Alico Ranch
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acres Of Land Purchased \| a	10,702
Gain on sale of real estate, property and equipment and assets held for sale	$ 28,500,000
Gain (loss) on disposal of discontinued operation	$ 27,470,000
Gal Hog \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposal of discontinued operation				$ 6,709,000
Consideration for discontinued operation				$ 7,300,000
Chancey Bay \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposal of discontinued operation					$ 51,000
Consideration for discontinued operation					4,200,000
Disposal group, rent expense					$ 200,000
Nursery - Gainesville \| Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposal of discontinued operation						$ 111,000
Consideration for discontinued operation						$ 6,500,000
Discontinued Operations, Disposed of by Sale \| Breeding Herd
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposal of discontinued operation							$ 1,759,000
Consideration for discontinued operation							7,800,000
Disposal group, rent expense							100,000
Discontinued Operations, Disposed of by Sale \| Parcels On East Ranch
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, rent expense							$ 98,750,000
Discontinued Operations, Disposed of by Sale \| Trailers
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposal of discontinued operation								$ 125,000,000
Consideration for discontinued operation								$ 500,000,000
Disposal group stated percentage								5.00%
Period remaining for amount to be paid								3 years
Discontinued Operations, Disposed of by Sale \| Fort Myers Property Florida
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on disposal of discontinued operation									$ 1,751,000
Consideration for discontinued operation									$ 5,300,000
Period of portion of lease back of office space									5 years