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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Income Taxes
Income tax expense (benefit)	$ 819	$ 2	$ 46
Franchise tax expense	1,000	$ 500	$ 300
Federal operating loss carryforwards	393,700
State operating loss carryforwards	556,500
State tax credits	$ 11,200

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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