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Note 6 - Loans, Net of Allowance for Credit Losses (Details Textual) - Loans [member] - CAD ($)
Oct. 31, 2023
Oct. 31, 2022
Statement Line Items [Line Items]    
Total financial assets $ 3,850,404,000 $ 2,992,678,000
Financial assets that are individually determined to be impaired, fair value of collateral held and other credit enhancements 20,000,000  
Financial assets impaired [member]    
Statement Line Items [Line Items]    
Total financial assets $ 15,300,000 $ 279,000