Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies - Schedule of Revenues Disaggregated by Significant Products and Services (Details)

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Summary of Significant Accounting Policies - Schedule of Revenues Disaggregated by Significant Products and Services (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation Of Revenue [Line Items]        
Total Revenues $ 8,390 $ 13,610 $ 43,264 $ 45,708
Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 7,805 13,237 41,384 44,591
Land Management and Other Operations        
Disaggregation Of Revenue [Line Items]        
Total Revenues 585 373 1,880 1,117
Early and Mid-Season | Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 0 0 15,577 14,534
Valencias | Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 7,795 12,183 24,088 26,915
Fresh Fruit and Other | Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 3 108 831 801
Grove Management Services | Alico Citrus        
Disaggregation Of Revenue [Line Items]        
Total Revenues 7 946 888 2,341
Land and Other Leasing | Land Management and Other Operations        
Disaggregation Of Revenue [Line Items]        
Total Revenues 496 302 1,649 894
Other | Land Management and Other Operations        
Disaggregation Of Revenue [Line Items]        
Total Revenues $ 89 $ 71 $ 231 $ 223