Related Party Transactions (Narrative) (Details) $ in Thousands, R in Millions	Mar. 16, 2023 USD ($)	Mar. 22, 2022 USD ($)	Mar. 22, 2022 ZAR (R)
Related Party Transaction [Line Items]
Commitment fee amount | $	$ 8,900
VCP Agreement [Member]
Related Party Transaction [Line Items]
Market capitalization benchmark amount | R			R 2,600.0
Commitment fee amount | $		$ 5,250
VCP Agreement [Member] | Common Stock [Member]
Related Party Transaction [Line Items]
Value of shares obligated to issue from agreement | R			R 350.0
VCP [Member]
Related Party Transaction [Line Items]
Percent calculated per annum of support provided over period of extension			1.00%