v3.26.1
Note 17 - Fair Value of Financial Instruments - Fair Value of Financial Instruments (Details) - CAD ($)
$ in Thousands
Jul. 31, 2026
Oct. 31, 2025
Deposits from banks [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities $ 5,909,865 $ 4,860,863
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Subordinated notes [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 103,793 103,516
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Derivative liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 416
Other financial liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 293,441 310,874
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
At fair value [member] | Deposits from banks [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 5,887,993 4,918,431
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
At fair value [member] | Subordinated notes [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 99,957 99,878
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
At fair value [member] | Derivative liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 416
At fair value [member] | Other financial liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 293,441 310,874
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 1 of fair value hierarchy [member] | Deposits from banks [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 1 of fair value hierarchy [member] | Subordinated notes [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 1 of fair value hierarchy [member] | Derivative liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 1 of fair value hierarchy [member] | Other financial liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 2 of fair value hierarchy [member] | Deposits from banks [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 2 of fair value hierarchy [member] | Subordinated notes [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 99,957 99,878
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 2 of fair value hierarchy [member] | Derivative liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 416
Level 2 of fair value hierarchy [member] | Other financial liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 3 of fair value hierarchy [member] | Deposits from banks [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 5,887,993 4,918,431
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 3 of fair value hierarchy [member] | Subordinated notes [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 3 of fair value hierarchy [member] | Derivative liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 0 0
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Level 3 of fair value hierarchy [member] | Other financial liabilities [member]    
Statement Line Items [Line Items]    
Amortized cost, liabilities 293,441 310,874
FVOCI, liabilities 0 0
FVTPL, liabilities 0 0
Cash and cash equivalents [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 490,049 581,710
Cash and cash equivalents [member] | At fair value [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 490,049 581,710
Cash and cash equivalents [member] | Level 1 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 490,049 581,710
Cash and cash equivalents [member] | Level 2 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Cash and cash equivalents [member] | Level 3 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Securities [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 134,178 80,923
FVTPL, assets 0 0
Securities [member] | At fair value [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 134,178 80,923
FVTPL, assets 0 0
Securities [member] | Level 1 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 134,178 80,923
FVTPL, assets 0 0
Securities [member] | Level 2 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Securities [member] | Level 3 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Loans, net [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 6,161,542 5,066,378
FVOCI, assets 0 0
FVTPL, assets 0 0
Loans, net [member] | At fair value [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 6,171,345 5,050,931
FVOCI, assets 0 0
FVTPL, assets 0 0
Loans, net [member] | Level 1 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Loans, net [member] | Level 2 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Loans, net [member] | Level 3 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 6,171,345 5,050,931
FVOCI, assets 0 0
FVTPL, assets 0 0
Derivatives [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 2,265 0
Derivatives [member] | At fair value [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 2,265 0
Derivatives [member] | Level 1 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Derivatives [member] | Level 2 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 2,265 0
Derivatives [member] | Level 3 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Other financial assets [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 953
FVTPL, assets 0 0
Other financial assets [member] | At fair value [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 953
FVTPL, assets 0 0
Other financial assets [member] | Level 1 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Other financial assets [member] | Level 2 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 0
FVTPL, assets 0 0
Other financial assets [member] | Level 3 of fair value hierarchy [member]    
Statement Line Items [Line Items]    
Amortized cost, assets 0 0
FVOCI, assets 0 953
FVTPL, assets $ 0 $ 0