Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Oct. 31, 2020
Other Assets
Long-term stack residual value	$ 263	$ 890
Long-term unbilled receivables	11,581	8,856
Other	5,154	5,593
Other assets	$ 16,998	$ 15,339

Amount of noncurrent assets classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_OtherAssetsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant