v3.26.1
Summary of Significant Accounting Policies - Schedule of Revenues Disaggregated by Significant Products and Services (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Disaggregation Of Revenue [Line Items]        
Total Revenues $ 5,340 $ 17,980 $ 7,227 $ 34,874
Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 3,791 17,253 4,674 33,579
Land Management and Other Operations        
Disaggregation Of Revenue [Line Items]        
Total Revenues 1,549 727 2,553 1,295
Early and Mid-Season | Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 1,633 648 1,915 15,577
Valencias | Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 2,158 16,293 2,158 16,293
Fresh Fruit and Other | Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 0 202 588 828
Grove Management Services | Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 0 110 13 881
Land and Other Leasing | Land Management and Other Operations        
Disaggregation Of Revenue [Line Items]        
Total Revenues 1,415 674 2,318 1,153
Other | Land Management and Other Operations        
Disaggregation Of Revenue [Line Items]        
Total Revenues $ 134 $ 53 $ 235 $ 142