v3.22.2.2
Note 21 - Capital Management (Details Textual)
$ / shares in Units, $ / shares in Units, $ in Thousands, $ in Millions
 12 Months Ended
Aug. 05, 2022
shares
Sep. 29, 2021
CAD ($)
$ / shares
Sep. 29, 2021
USD ($)
shares
Sep. 21, 2021
USD ($)
shares
Apr. 30, 2021
CAD ($)
$ / shares
shares
Oct. 31, 2022
CAD ($)
Oct. 31, 2021
CAD ($)
Sep. 29, 2021
$ / shares
Sep. 21, 2021
$ / shares
Sep. 21, 2021
$ / shares
Apr. 30, 2021
USD ($)
Statement Line Items [Line Items]                      
Maximum percentage of credit risk-weighted assets for allowance           1.25%          
Shares redeemed during period (in shares) | shares         1,681,320            
Shares redeemed, price per share (in CAD per share) | (per share)         $ 10.00       $ 12.68 $ 10.00  
Payments for redemption of preference shares         $ 16,800            
Payments for share issue costs   $ 5,400     1,100            
Number of shares issued for offering (in shares) | shares 1,700,000   825,000 5,500,000              
Proceeds from issue of ordinary shares   $ 73,200 $ 8.3 $ 55.0   $ 0 $ 73,226        
Overallotment shares, percent of shares issued in offering   15.00%           15.00%      
Shares issued, price per share (in dollars per share) | (per share)   $ 12.74           $ 10.00 $ 12.68 $ 10.00  
Issue of equity   $ 75,100                  
Required minimum capital ratio, common equity tier 1           7.00%          
Required minimum capital ratio, tier 1 capital           8.50%          
Required minimum capital ratio, total capital           10.50%          
Capital conservation buffer           2.50%          
Minimum leverage ratio           3.00%          
Subordinated notes payable [member]                      
Statement Line Items [Line Items]                      
Total borrowings         $ 92,100 $ 104,951 $ 95,272       $ 75.0
Borrowings, interest rate         5.00%           5.00%
Subordinated notes payable [member] | Three month Bankers' Acceptance Rate [member]                      
Statement Line Items [Line Items]                      
Borrowings, adjustment to interest rate basis         3.61%           3.61%