Description of Business and Basis of Presentation (Details) a in Thousands |
3 Months Ended | 12 Months Ended | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Oct. 01, 2019
USD ($)
|
Oct. 01, 2018
USD ($)
|
Sep. 30, 2019
USD ($)
a
classification
|
Jun. 30, 2019
USD ($)
|
Mar. 31, 2019
USD ($)
|
Dec. 31, 2018
USD ($)
|
Sep. 30, 2018
USD ($)
|
Jun. 30, 2018
USD ($)
|
Mar. 31, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
|
Sep. 30, 2019
USD ($)
a
classification
segment
|
Sep. 30, 2018
USD ($)
|
Sep. 30, 2017
USD ($)
|
|
Property, Plant and Equipment [Line Items] | |||||||||||||
Number of business segments | segment | 2 | ||||||||||||
Net loss attributable to subsidiary | $ (232,000) | $ (28,000) | $ (87,000) | $ (36,000) | $ (218,000) | $ (8,000) | $ (16,000) | $ (8,000) | $ (383,000) | $ (250,000) | $ (45,000) | ||
Net income (loss) attributable to Alico Inc. common stockholders | $ 16,509,000 | $ 16,244,000 | $ 7,547,000 | $ (2,467,000) | $ 718,000 | $ 9,100,000 | $ (5,514,000) | $ 8,746,000 | 37,833,000 | 13,050,000 | (9,451,000) | ||
Citree | |||||||||||||
Property, Plant and Equipment [Line Items] | |||||||||||||
Net loss attributable to subsidiary | 781,783 | 511,854 | 91,432 | ||||||||||
Net income (loss) attributable to Alico Inc. common stockholders | $ 398,709 | $ 261,046 | $ 46,630 | ||||||||||
Land | |||||||||||||
Property, Plant and Equipment [Line Items] | |||||||||||||
Area of land owned (in acres) | a | 111 | 111 | |||||||||||
Number of primary classifications | classification | 2 | 2 | |||||||||||
Mineral Rights | |||||||||||||
Property, Plant and Equipment [Line Items] | |||||||||||||
Area of land owned (in acres) | a | 90 | 90 | |||||||||||
ASU 2016-02 | Forecast | |||||||||||||
Property, Plant and Equipment [Line Items] | |||||||||||||
Right-of-use asset | $ 511,000 | ||||||||||||
Lease liability | 511,000 | ||||||||||||
Impairment to right of use asset | $ 87,000 | ||||||||||||
ASC 610-20 | Discontinued Operations, Disposed of by Sale | |||||||||||||
Property, Plant and Equipment [Line Items] | |||||||||||||
Net adjustment to retained earnings | $ 10,897,000 |