v3.26.1
Segment Information - Schedule of Information by Operating Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
Revenues:          
Total operating revenues $ 5,340 $ 17,980 $ 7,227 $ 34,874  
Segment expenses:          
Total operating expenses 9,928 167,677 17,369 192,809  
Gross segment (loss) profit          
Total gross loss (4,588) (149,697) (10,142) (157,935)  
Depreciation, depletion and amortization:          
Depreciation, depletion and amortization 4,715 122,437 10,628 126,261  
Assets:          
Total Assets 199,857   199,857   $ 201,527
Alico Citrus          
Revenues:          
Total operating revenues 3,791 17,253 4,674 33,579  
Segment expenses:          
Cost of Sales 8,752 167,106 15,991 187,614  
Total operating expenses 8,894 167,607 16,286 192,718  
Alico Citrus | Harvesting and Hauling          
Segment expenses:          
Total operating expenses 142 4,410 295 8,505  
Alico Citrus | Fresh Fruit and other          
Segment expenses:          
Total operating expenses 0 (3,902) 0 (3,852)  
Alico Citrus | Grove Management Services          
Revenues:          
Total operating revenues 0 110 13 881  
Segment expenses:          
Total operating expenses 0 (7) 0 451  
Land Management and Other Operations          
Revenues:          
Total operating revenues 1,549 727 2,553 1,295  
Segment expenses:          
Total operating expenses 1,034 70 1,083 91  
Land Management and Other Operations | Land and other leasing          
Revenues:          
Total operating revenues 1,415 674 2,318 1,153  
Segment expenses:          
Total operating expenses 1,030 70 1,079 87  
Land Management and Other Operations | Other          
Revenues:          
Total operating revenues 134 53 235 142  
Segment expenses:          
Total operating expenses 4 0 4 4  
Operating Segments          
Gross segment (loss) profit          
Total gross loss (4,588) (149,697) (10,142) (157,935)  
Operating Segments | Alico Citrus          
Gross segment (loss) profit          
Total gross loss (5,103) (150,354) (11,612) (159,139)  
Depreciation, depletion and amortization:          
Depreciation, depletion and amortization 4,466 121,941 10,336 125,702  
Assets:          
Total Assets 97,886   97,886   173,573
Operating Segments | Land Management and Other Operations          
Gross segment (loss) profit          
Total gross loss 515 657 1,470 1,204  
Depreciation, depletion and amortization:          
Depreciation, depletion and amortization 235 22 263 44  
Assets:          
Total Assets 100,065   100,065   26,263
Other Corporate Assets          
Depreciation, depletion and amortization:          
Depreciation, depletion and amortization 14 $ 474 29 $ 515  
Assets:          
Total Assets $ 1,906   $ 1,906   $ 1,691