Annual report pursuant to Section 13 and 15(d)

Description of Business and Basis of Presentation (Details)

v3.5.0.2
Description of Business and Basis of Presentation (Details)
$ / shares in Units, a in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 01, 2015
USD ($)
segment
Mar. 31, 2016
USD ($)
Sep. 30, 2016
USD ($)
a
classification
$ / shares
Jun. 30, 2016
USD ($)
$ / shares
Mar. 31, 2016
USD ($)
$ / shares
Dec. 31, 2015
USD ($)
$ / shares
Sep. 30, 2015
USD ($)
$ / shares
Jun. 30, 2015
USD ($)
$ / shares
Mar. 31, 2015
USD ($)
$ / shares
Dec. 31, 2014
USD ($)
$ / shares
Sep. 30, 2016
USD ($)
a
classification
segment
$ / shares
Sep. 30, 2015
USD ($)
segment
$ / shares
Sep. 30, 2014
USD ($)
$ / shares
Feb. 28, 2015
Nov. 19, 2013
Property, Plant and Equipment [Line Items]                              
Number of business segments | segment 3                   3 5      
Income tax expense (benefit)     $ (1,898,000) $ 3,392,000 $ 6,102,000 $ (2,075,000) $ (629,000) $ 6,644,000 $ 1,127,000 $ 3,763,000 $ 5,521,000 $ 10,905,000 $ 11,383,000    
Deferred tax liability     31,004,000       25,629,000       31,004,000 25,629,000      
Reduction in additional paid in capital     (18,155,000)       (19,795,000)       (18,155,000) (19,795,000)      
Net loss     $ 3,416,000 $ (4,670,000) $ (8,724,000) $ 3,019,000 $ 5,425,000 $ (9,176,000) $ (4,226,000) $ (5,206,000) (6,959,000) (13,183,000) $ (9,495,000)    
Net income attributable to parent                     $ 35,307 $ 32,647      
Diluted (in dollars per share) | $ / shares     $ (0.41) $ 0.56 $ 1.05 $ (0.36) $ 0.65 $ 1.11 $ 0.51 $ 0.71 $ 0.84 $ 1.64 $ 1.29    
Citree                              
Property, Plant and Equipment [Line Items]                              
Net loss attributable to noncontrolling interest                     $ 69,230 $ 64,014      
Alico Inc                              
Property, Plant and Equipment [Line Items]                              
Ownership interest (as a percent)                             51.00%
Alico Inc | Silver Nip Citrus                              
Property, Plant and Equipment [Line Items]                              
Ownership interest (as a percent)                           74.89%  
Mr. Clay Wilson | Silver Nip Citrus                              
Property, Plant and Equipment [Line Items]                              
Ownership interest (as a percent)                           5.00%  
Entity Controlled by Mr. Clay Wilson | Silver Nip Citrus                              
Property, Plant and Equipment [Line Items]                              
Ownership interest (as a percent)                           20.11%  
Subsidiaries                              
Property, Plant and Equipment [Line Items]                              
Decrease to total assets $ 492,000                            
Net loss $ 596,000                            
Land                              
Property, Plant and Equipment [Line Items]                              
Area of land owned (in acres) | a     122               122        
Number of primary classifications | classification     2               2        
Mineral Rights                              
Property, Plant and Equipment [Line Items]                              
Area of land owned (in acres) | a     90               90        
Immaterial Error Correction                              
Property, Plant and Equipment [Line Items]                              
Income tax expense (benefit)   $ 1,494,000                          
Deferred tax liability                         $ 1,494,000    
Reduction in additional paid in capital                         $ 1,494,000    
Diluted (in dollars per share) | $ / shares                         $ 0.20