Fair Value of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Narrative) (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Oct. 31, 2019
Carrying and Estimated Fair Value [Line Items]
Loan to affiliate	$ 5,000	$ 5,000

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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-Publisher FASB
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-Section S99
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant