Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020	Oct. 31, 2020
Lessee Lease Description [Line Items]
Finance lease ROU assets	$ 100		$ 100		$ 40
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net		Property, plant and equipment, net		Property, plant and equipment, net
Finance lease, liability	$ 134		$ 134		$ 38
Finance Lease, Liability, Statement of Financial Position [Extensible List]	Long-term debt and other liabilities		Long-term debt and other liabilities		Long-term debt and other liabilities
Operating lease expense	$ 400	$ 100	$ 761	$ 315
Operating lease, weighted average remaining lease term	20 years		20 years
Operating lease, weighted average discount rate	7.80%		7.80%
Operating lease, payments	$ 300	$ 200	$ 586	$ 460
Minimum [Member]
Lessee Lease Description [Line Items]
Operating and finance lease, remaining lease term			1 year
Maximum [Member]
Lessee Lease Description [Line Items]
Operating and finance lease, remaining lease term			26 years