Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Disaggregation of revenue (Details)

v3.25.3
Summary of Significant Accounting Policies - Disaggregation of revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax $ 44,066 $ 46,643
Alico Citrus    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax 41,337 45,059
Land Management and Other Operations    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax 2,729 1,584
Early and Mid-Season | Alico Citrus    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax 15,577 14,534
Valencias | Alico Citrus    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax 24,089 26,925
Fresh Fruit and Other | Alico Citrus    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax 777 774
Grove Management Services | Alico Citrus    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax 894 2,826
Leasing and Royalties | Land Management and Other Operations    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax 2,393 1,284
Other | Land Management and Other Operations    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer, excluding assessed tax $ 336 $ 300