Leases - Summary of Undiscounted Maturities of Operating Lease and Finance Lease Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2023	Oct. 31, 2022
Operating Leases
Due Year 1	$ 1,094
Due Year 2	1,224
Due Year 3	1,266
Due Year 4	1,312
Due Year 5	1,332
Thereafter	13,006
Total undiscounted lease payments	19,234
Less imputed interest	(9,289)
Total discounted lease payments	9,945
Finance Leases
Due Year 1	29
Total undiscounted lease payments	29
Less imputed interest	(5)
Total discounted lease payments	$ 24	$ 57
Finance Lease Liability Statement Of Financial Position Extensible List	Other Liabilities Noncurrent	Other Liabilities Noncurrent