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Note 20 - Fair Value of Financial Instruments - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Jul. 31, 2024 | Oct. 31, 2023
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Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Mortgage loans held for sale | [1] | $ 148,602 | $ 130,235
[1] | The aggregate unpaid principal balance was $147.1 million and $130.4 million at July 31, 2024 and October 31, 2023, respectively.

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