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Long-Term Debt - Narrative (Details) - USD ($)
3 Months Ended
Mar. 11, 2020
Jan. 31, 2020
Jan. 31, 2019
Dec. 31, 2019
Jan. 29, 2018
Jan. 28, 2018
Debt Instrument [Line Items]            
Interest costs capitalized   $ 89,000 $ 267,000      
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   115,000,000        
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 $ 60,000,000
Farm Credit West Revolving and Non-Revolving Lines of Credit | Non-Revolving Credit Facility            
Debt Instrument [Line Items]            
Maximum borrowing capacity   $ 40,000,000        
Farm Credit West Loan Agreement Secured by Windfall Investors, LLC Property | Revolving Credit Facility | Subsequent Event            
Debt Instrument [Line Items]            
Maximum borrowing capacity $ 15,000,000          
Draw period 3 years          
Payment period 20 years