| Disclosure of regulatory capital and capital ratios [text block] |
| (thousands of Canadian dollars) | | | | | | | | |
| | | July 31 | | | October 31 | |
| | | 2026 | | | 2025 | |
| | | | | | | | | |
| | | | | | | | | |
| Common Equity Tier 1 (CET1) capital | | | | | | | | |
| Directly issued qualifying common share capital | | $ | 334,898 | | | $ | 325,910 | |
| Contributed surplus | | | 1,025 | | | | 2,473 | |
| Retained earnings | | | 229,972 | | | | 203,728 | |
| Accumulated other comprehensive income (loss) | | | (330 | ) | | | 562 | |
| CET1 before regulatory adjustments | | | 565,565 | | | | 532,673 | |
| Regulatory adjustments applied to CET1 | | | (24,631 | ) | | | (23,023 | ) |
| Common Equity Tier 1 capital | | $ | 540,934 | | | $ | 509,650 | |
| | | | | | | | | |
| Additional Tier 1 capital | | | | | | | | |
| Directly issued qualifying Additional Tier 1 instruments | | $ | - | | | $ | - | |
| Total Tier 1 capital | | $ | 540,934 | | | $ | 509,650 | |
| | | | | | | | | |
| Tier 2 capital | | | | | | | | |
| Directly issued Tier 2 capital instruments | | $ | 83,034 | | | $ | 105,135 | |
| Tier 2 Capital, net of accumulated amortization and before regulatory adjustments | | | 83,034 | | | | 105,135 | |
| Eligible stage 1 and stage 2 allowance | | | 4,315 | | | | 5,105 | |
| Total Tier 2 capital | | $ | 87,349 | | | $ | 110,240 | |
| Total regulatory capital | | $ | 628,283 | | | $ | 619,890 | |
| Total risk-weighted assets | | $ | 4,717,516 | | | $ | 3,943,657 | |
| Capital ratios | | | | | | | | |
| CET1 capital ratio | | | 11.47 | % | | | 12.92 | % |
| Tier 1 capital ratio | | | 11.47 | % | | | 12.92 | % |
| Total capital ratio | | | 13.32 | % | | | 15.72 | % |
| (thousands of Canadian dollars) | | | | | | | | |
| | | July 31 | | | October 31 | |
| | | 2026 | | | 2025 | |
| | | | | | | | | |
| | | | | | | | | |
| On-balance sheet assets | | $ | 6,875,238 | | | $ | 5,808,475 | |
| Assets amounts adjusted in determining the Basel III | | | | | | | | |
| Tier 1 capital | | | (24,631 | ) | | | (23,023 | ) |
| Total on-balance sheet exposures | | | 6,850,607 | | | | 5,785,452 | |
| | | | | | | | | |
| Replacement cost associated with all derivative transactions | | $ | 3,172 | | | $ | - | |
| Add-on amounts for PFE associated with all derivative transactions | | | 4,131 | | | | 3,975 | |
| Total derivative exposures | | | 7,303 | | | | 3,975 | |
| | | | | | | | | |
| Total off-balance sheet exposure at gross notional amount | | $ | 643,746 | | | $ | 635,854 | |
| Adjustments for conversion to credit equivalent amount | | | (422,354 | ) | | | (410,571 | ) |
| Total off-balance sheet exposures | | | 221,392 | | | | 225,283 | |
| | | | | | | | | |
| Tier 1 capital | | | 540,934 | | | | 509,650 | |
| Total exposures | | | 7,079,302 | | | | 6,014,710 | |
| | | | | | | | | |
| Leverage ratio | | | 7.64 | % | | | 8.47 | % |
|