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Note 10 - Mortgage Loans Held for Sale (Details Textual) $ in Millions | Jul. 31, 2022 USD ($) | Oct. 31, 2021 USD ($) | Jul. 31, 2021
--- | --- | --- | ---
Number of Loans Reserved For | 13 |  | 16
Asset Pledged as Collateral without Right [Member] |  |  |
Financing Receivable, before Allowance for Credit Loss, Total | $ 71.9 | $ 136.5 |

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