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Commitments And Contingencies (Narrative) (Details)
$ in Thousands, R in Millions
Jun. 30, 2023
USD ($)
Jun. 30, 2023
ZAR (R)
Jun. 30, 2022
USD ($)
Guarantor Obligations [Line Items]      
Outstanding capital commitments $ 100   $ 300
Purchase obligations 3,000   $ 11,000
Nedbank [Member] | Guarantee [Member]      
Guarantor Obligations [Line Items]      
Guarantee amount $ 100 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 $ 1,900 R 35.2  
Commission charge rate 1.84% 1.84%  
Nedbank [Member] | Ceded And Pledged Bank Accounts As Security [Member]      
Guarantor Obligations [Line Items]      
Guarantee amount $ 200 R 3.0  
RMB Member [Member] | Guarantee [Member]      
Guarantor Obligations [Line Items]      
Guarantee amount $ 1,800 R 33.1