Subsequent events (Details) - Investment in Van Lanschot Kempen |
Jul. 24, 2025 |
Mar. 01, 2025 |
Feb. 28, 2025 |
|---|---|---|---|
| Disclosure of non-adjusting events after reporting period [line items] | |||
| Percentage of ownership interest acquired | 7.20% | ||
| Ownership interest held in equity based investments | 9.90% | 2.70% | |
| Acquisition of investments | |||
| Disclosure of non-adjusting events after reporting period [line items] | |||
| Ownership interest held in equity based investments | 20.30% |