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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Apr. 30, 2021
Oct. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Accumulated Amortization $ (2,609) $ (2,083)
Net Carrying Amount 7,212  
Gross Carrying Amount 13,769 13,392
Net Carrying Amount 11,160 11,309
Trade names and trademarks    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 3,771 3,771
Accumulated Amortization (1,156) (947)
Net Carrying Amount $ 2,615 $ 2,824
Weighted Average Useful Life in Years 10 years 10 years
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 5,010 $ 5,010
Accumulated Amortization (1,254) (989)
Net Carrying Amount $ 3,756 $ 4,021
Weighted Average Useful Life in Years 9 years 9 years
Non-competition agreement    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 1,040 $ 1,040
Accumulated Amortization (199) (147)
Net Carrying Amount $ 841 $ 893
Weighted Average Useful Life in Years 10 years 10 years
Acquired water and mineral rights    
Finite-Lived Intangible Assets [Line Items]    
Carrying Amount $ 3,948 $ 3,571