Note 7 - Mortgage Loans Held for Sale (Details Textual) - Collateralized Debt Obligations [Member] $ in Millions	Oct. 31, 2025 USD ($) NUMBER	Oct. 31, 2024 USD ($) NUMBER
Mortgage Loans Held for Sale
Mortgages held for sale, pledged \| $	$ 107.6	$ 145.7
Number of Loans Reserved For \| NUMBER	9	10

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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