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Note 10 - Mortgage Loans Held for Sale (Details Textual) $ in Millions | Jul. 31, 2023 USD ($) | Oct. 31, 2022 USD ($)
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Number of Loans Reserved For | 11 | 14
Asset Pledged as Collateral without Right [Member] |  |
Financing Receivable, before Allowance for Credit Loss | $ 76.2 | $ 92.5

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