Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Basis of Presentation - (Details)

v3.23.1
Description of Business and Basis of Presentation - (Details)
 3 Months Ended 6 Months Ended
Mar. 31, 2023
USD ($)
a
Property
Mar. 31, 2022
USD ($)
Mar. 31, 2023
USD ($)
a
Segment
Property
Mar. 31, 2022
USD ($)
Sep. 30, 2022
USD ($)
Property Plant And Equipment [Line Items]          
Number of business segments | Segment     2    
Revenue, description of timing     Receivables under contracts, whereby pricing is based on contractual and market prices, are primarily paid at the floor amount and are collected within seven days after the harvest week. Any adjustments to pricing as a result of changes in market prices are generally collected or paid thirty to sixty days after final market pricing is published.    
Accounts receivable, net $ 8,970,000   $ 8,970,000   $ 324,000
Net Income (loss) attributable to subsidiary (344,000) $ (85,000) (380,000) $ (136,000)  
Impact of accounting error, Cumulative increase in retained earnings 231,793,000   231,793,000   243,490,000
Citree          
Property Plant And Equipment [Line Items]          
Net Income (loss) attributable to subsidiary $ 703,000 $ 174,000 $ 776,000 278,000  
Ownership interest (as a percent) 51.00%   51.00%    
Citrus          
Property Plant And Equipment [Line Items]          
Accounts receivable, net $ 8,738,000   $ 8,738,000   124,000
Grove Management Services          
Property Plant And Equipment [Line Items]          
Operating Revenue     0 7,200,000  
Operating expenses     $ 0 $ 6,700,000  
Land          
Property Plant And Equipment [Line Items]          
Area of land owned (in acres) | a 73,000   73,000    
Number of primary classifications | Property 2   2    
Mineral Rights          
Property Plant And Equipment [Line Items]          
Area of land owned (in acres) | a 90,000   90,000    
Revision of Prior Period, Error Correction, Adjustment          
Property Plant And Equipment [Line Items]          
Impact of accounting error, Cumulative increase in retained earnings         $ 2,512,000