Note 13 - Commitments and Contingencies - Credit Related Commitments (Details) - CAD ($) $ in Thousands |
Apr. 30, 2026 |
Oct. 31, 2025 |
Apr. 30, 2025 |
|---|---|---|---|
| Statement Line Items [Line Items] | |||
| Credit asset commitments | $ 612,630 | $ 635,854 | $ 694,300 |
| Loan commitments [member] | |||
| Statement Line Items [Line Items] | |||
| Credit asset commitments | 569,094 | 589,005 | 638,708 |
| Letters of credit [member] | |||
| Statement Line Items [Line Items] | |||
| Credit asset commitments | $ 43,536 | $ 46,849 | $ 55,592 |