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Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Commitments And Contingencies Disclosure [Abstract]      
Capitalized lease obligations $ 141 $ 341  
Lease Payment Terms 36 months    
Operating Leases, Rent Expense, Net $ 1,000 $ 1,200 $ 1,600
Recorded Unconditional Purchase Obligation $ 34,600