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Long-Term Debt - Narrative (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2020
Feb. 29, 2020
USD ($)
Apr. 30, 2020
USD ($)
Apr. 30, 2019
USD ($)
Apr. 30, 2020
USD ($)
Apr. 30, 2019
USD ($)
May 29, 2020
Dec. 31, 2019
Oct. 31, 2019
Feb. 01, 2018
USD ($)
Jan. 31, 2018
USD ($)
Debt Instrument [Line Items]                      
Interest costs capitalized     $ 355,000 $ 344,000 $ 444,000 $ 611,000          
Farm Credit West                      
Debt Instrument [Line Items]                      
Annual patronage dividend rate               1.00%      
Dividends receivable   $ 966,000                  
Farm Credit West Revolving and Non-Revolving Lines of Credit                      
Debt Instrument [Line Items]                      
Maximum borrowing capacity     130,000,000   130,000,000            
Farm Credit West Revolving and Non-Revolving Lines of Credit | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Maximum borrowing capacity     75,000,000   75,000,000         $ 75,000,000 $ 60,000,000
Farm Credit West Revolving and Non-Revolving Lines of Credit | Revolving Equity Line of Credit                      
Debt Instrument [Line Items]                      
Maximum borrowing capacity     15,000,000   15,000,000            
Farm Credit West Revolving and Non-Revolving Lines of Credit | Non-Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Maximum borrowing capacity     $ 40,000,000   $ 40,000,000            
Farm Credit West Loan Agreement Secured by Windfall Investors, LLC Property                      
Debt Instrument [Line Items]                      
Minimum debt service coverage ratio                 1.25    
Farm Credit West Loan Agreement Secured by Windfall Investors, LLC Property | Subsequent Event                      
Debt Instrument [Line Items]                      
Minimum debt service coverage ratio             1.00        
Farm Credit West Loan Agreement Secured by Windfall Investors, LLC Property | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Draw period 3 years                    
Payment period 20 years