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Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
 12 Months Ended
Jul. 31, 2020
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Nov. 01, 2019
Oct. 31, 2017
Accounting Policies [Line Items]            
Allowance for accounts receivable   $ 812,000 $ 631,000      
Revenues   159,937,000 166,549,000 $ 124,344,000    
Capitalized interest costs   921,000 1,369,000      
Capitalized costs related to real estate projects   4,034,000 1,797,000      
Goodwill impairment $ 0 0 0 0    
Costs and expenses   157,281,000 152,372,000 98,083,000    
Agribusiness revenues from crop insurance proceeds   0 2,311,000 54,000    
Advertising costs   239,000        
Receivables/other from related parties   2,294,000 2,985,000      
Payables to related parties   6,273,000 906,000      
Accounts receivable, net   16,261,000 15,114,000      
Accrued liabilities   7,947,000 8,261,000      
Stockholders' equity   195,760,000 221,688,000 219,140,000   $ 136,793,000
Operating lease ROU assets   2,053,000        
Operating lease liabilities   $ 2,131,000        
Adjustment            
Accounting Policies [Line Items]            
Receivables/other from related parties     2,985,000      
Payables to related parties     906,000      
Accounts receivable, net     (2,985,000)      
Accrued liabilities     $ (906,000)      
Minimum            
Accounting Policies [Line Items]            
Estimated lives of definite-life intangible assets   8 years        
Maximum            
Accounting Policies [Line Items]            
Estimated lives of definite-life intangible assets   9 years        
Pension Plan            
Accounting Policies [Line Items]            
Assumed discount rate used to measure pension obligations   2.50% 3.00%      
Increase in pension liability   $ 1,236,000 $ 3,063,000      
Pension Plan | Change in Assumptions for Defined Benefit Plans            
Accounting Policies [Line Items]            
Increase in pension liability   508,000        
Accumulated Other Comprehensive Income            
Accounting Policies [Line Items]            
Stockholders' equity   (7,548,000) (7,255,000) 8,965,000   $ 7,076,000
ASU 2016-02            
Accounting Policies [Line Items]            
Operating lease ROU assets         $ 2,400,000  
Operating lease liabilities         $ 2,500,000  
Avocados            
Accounting Policies [Line Items]            
Revenues   $ 8,806,000 $ 3,080,000 $ 6,576,000    
Lemon | Revenue            
Accounting Policies [Line Items]            
Concentration risk, percentage   39.00% 40.00%      
Lemon | Supplier Concentration Risk | Revenue            
Accounting Policies [Line Items]            
Concentration risk, percentage   60.00% 60.00% 45.00%    
Agribusiness | ASU 2014-09 | Difference between Revenue Guidance in Effect before and after Topic 606            
Accounting Policies [Line Items]            
Revenues     $ 8,827,000      
Costs and expenses     8,827,000      
Chile            
Accounting Policies [Line Items]            
Long-lived assets, net of accumulated depreciation   $ 15,261,000 15,600,000      
Chile | Lemon and Orange            
Accounting Policies [Line Items]            
Revenues   3,521,000 3,204,000 $ 2,800,000    
Argentina            
Accounting Policies [Line Items]            
Long-lived assets, net of accumulated depreciation   18,576,000 18,700,000      
Argentina | Lemon and Orange            
Accounting Policies [Line Items]            
Revenues     $ 14,651,000      
Argentina | Lemon            
Accounting Policies [Line Items]            
Revenues   $ 14,150,000