Leases - Summary of Undiscounted Maturities of Operating Lease and Finance Lease Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Nov. 01, 2019
Operating Leases
Due Year 1	$ 1,198
Due Year 2	1,339
Due Year 3	1,292
Due Year 4	768
Due Year 5	693
Thereafter	14,413
Total undiscounted lease payments	19,703
Less imputed interest	(9,217)
Total discounted lease payments	10,486	$ 10,300
Finance Leases
Due Year 1	69
Due Year 2	18
Total undiscounted lease payments	87
Less imputed interest	(4)
Total discounted lease payments	$ 83