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Basis of Presentation and Significant Accounting Policies - Infrastructure Advances (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Oct. 31, 2020
Aug. 31, 2020
Aug. 31, 2018
Oct. 31, 2019
Oct. 31, 2018
Jul. 31, 2018
Significant Accounting Policies [Line Items]            
Amount loaned       $ 23,800 $ 11,500  
Infrastructure loan noncurrent $ 1,215     1,800    
Agricola Belher            
Significant Accounting Policies [Line Items]            
Loan receivable fixed interest rate (as a percent)   7.25%        
Amount loaned     $ 3,000      
Infrastructure advance 1,800   3,000 2,600 $ 3,400  
Annual repayment of advances   $ 900 $ 600      
Repayment term   2 years        
Agricola Belher | Prepaid expenses and other current assets            
Significant Accounting Policies [Line Items]            
Infrastructure advance, current 900     800    
Agricola Belher | Other long-term assets            
Significant Accounting Policies [Line Items]            
Infrastructure loan noncurrent 900     $ 1,800    
Agricola Belher | LIBOR            
Significant Accounting Policies [Line Items]            
Advances variable interest rate (as a percent)     10.00%     3.00%
Don Memo            
Significant Accounting Policies [Line Items]            
Payment amount $ 2,400          
Loan receivable fixed interest rate (as a percent) 7.25%          
Amount loaned $ 700          
Remaining amount 1,700          
Infrastructure advance 700          
Don Memo | Prepaid expenses and other current assets            
Significant Accounting Policies [Line Items]            
Infrastructure advance, current 400          
Don Memo | Other long-term assets            
Significant Accounting Policies [Line Items]            
Infrastructure loan noncurrent $ 300