| Disclosure of regulatory capital and capital ratios [text block] |
| (thousands of Canadian dollars) | | | | | | | | |
| | | April 30 | | | October 31 | |
| | | 2026 | | | 2025 | |
| | | | | | | | | |
| | | | | | | | | |
| Common Equity Tier 1 (CET1) capital | | | | | | | | |
| Directly issued qualifying common share capital | | $ | 331,264 | | | $ | 325,910 | |
| Contributed surplus | | | 980 | | | | 2,473 | |
| Retained earnings | | | 220,721 | | | | 203,728 | |
| Accumulated other comprehensive income (loss) | | | (727 | ) | | | 562 | |
| CET1 before regulatory adjustments | | | 552,238 | | | | 532,673 | |
| Regulatory adjustments applied to CET1 | | | (24,480 | ) | | | (23,023 | ) |
| Common Equity Tier 1 capital | | $ | 527,758 | | | $ | 509,650 | |
| | | | | | | | | |
| Additional Tier 1 capital | | | | | | | | |
| Directly issued qualifying Additional Tier 1 instruments | | $ | - | | | $ | - | |
| Total Tier 1 capital | | $ | 527,758 | | | $ | 509,650 | |
| | | | | | | | | |
| Tier 2 capital | | | | | | | | |
| Directly issued Tier 2 capital instruments | | $ | 102,180 | | | $ | 105,135 | |
| Tier 2 capital before regulatory adjustments | | | 102,180 | | | | 105,135 | |
| Eligible stage 1 and stage 2 allowance | | | 1,685 | | | | 5,105 | |
| Total Tier 2 capital | | $ | 103,865 | | | $ | 110,240 | |
| Total regulatory capital | | $ | 631,623 | | | $ | 619,890 | |
| Total risk-weighted assets | | $ | 4,285,370 | | | $ | 3,943,657 | |
| Capital ratios | | | | | | | | |
| CET1 capital ratio | | | 12.32 | % | | | 12.92 | % |
| Tier 1 capital ratio | | | 12.32 | % | | | 12.92 | % |
| Total capital ratio | | | 14.74 | % | | | 15.72 | % |
| (thousands of Canadian dollars) | | | | | | | | |
| | | April 30 | | | October 31 | |
| | | 2026 | | | 2025 | |
| | | | | | | | | |
| | | | | | | | | |
| On-balance sheet assets | | $ | 6,440,700 | | | $ | 5,808,475 | |
| Assets amounts adjusted in determining the Basel III | | | | | | | | |
| Tier 1 capital | | | (24,480 | ) | | | (23,023 | ) |
| Total on-balance sheet exposures | | | 6,416,220 | | | | 5,785,452 | |
| | | | | | | | | |
| Replacement cost associated with all derivative transactions | | $ | 7,216 | | | $ | - | |
| Add-on amounts for PFE associated with all derivative transactions | | | 4,032 | | | | 3,975 | |
| Total derivative exposures | | | 11,248 | | | | 3,975 | |
| | | | | | | | | |
| Total off-balance sheet exposure at gross notional amount | | $ | 612,630 | | | $ | 635,854 | |
| Adjustments for conversion to credit equivalent amount | | | (392,992 | ) | | | (410,571 | ) |
| Total off-balance sheet exposures | | | 219,638 | | | | 225,283 | |
| | | | | | | | | |
| Tier 1 capital | | | 527,758 | | | | 509,650 | |
| Total exposures | | | 6,647,106 | | | | 6,014,710 | |
| | | | | | | | | |
| Leverage ratio | | | 7.94 | % | | | 8.47 | % |
|