Commitments And Contingencies (Narrative) (Details) R in Millions, $ in Millions |
Mar. 31, 2026
USD ($)
|
Mar. 31, 2026
ZAR (R)
|
|---|---|---|
| Nedbank [Member] | Guarantee [Member] | ||
| Guarantor Obligations [Line Items] | ||
| Guarantee amount | $ 0.1 | R 2.1 |
| Nedbank [Member] | Guarantee [Member] | Minimum [Member] | ||
| Guarantor Obligations [Line Items] | ||
| Commission charge rate | 0.47% | 0.47% |
| Nedbank [Member] | Guarantee [Member] | Maximum [Member] | ||
| Guarantor Obligations [Line Items] | ||
| Guarantee amount | $ 2.0 | R 35.1 |
| Commission charge rate | 1.84% | 1.84% |
| Nedbank [Member] | Ceded And Pledged Bank Accounts As Security [Member] | ||
| Guarantor Obligations [Line Items] | ||
| Guarantee amount | $ 0.1 | R 2.1 |
| RMB [Member] | Guarantee [Member] | ||
| Guarantor Obligations [Line Items] | ||
| Guarantee amount | $ 1.9 | R 31.8 |