Fair Value Measurements - Summary of Change in Estimated Fair Value of Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jul. 31, 2023	Jul. 31, 2023
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Change in fair value of convertible debentures	$ 2,941	$ 2,941
May 2023 Notes
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Notes Issued		37,044
Change in fair value of convertible debentures		2,941
Balance	$ 39,985	$ 39,985

The fair value of notes issued in noncash investing and financing activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-5

Name:	us-gaap_NotesIssued1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration