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Basis of Presentation and Significant Accounting Policies - Comprehensive Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Nov. 01, 2018
Significant Accounting Policies [Line Items]        
Capitalized implementation costs $ 100      
Capitalized implementation costs amortization 0      
Retained earnings 57,364 $ 89,512    
Comprehensive income $ 0 0 $ 0  
Cumulative effect adjustment        
Significant Accounting Policies [Line Items]        
Retained earnings   $ 923   $ 12,100