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Note 37 - Group Entities - Subsidiaries of the Company (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 20, 2020
Dec. 31, 2023
Dec. 31, 2022
Statement Line Items [Line Items]      
Percentage of ownership 64.00%    
Caledonia Holdings Zimbabwe (Private) Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)   $ (6,179) $ (6,683)
Caledonia Mining Services Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)   $ 10,559
Fintona Investments Proprietary Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)   $ 14,860 $ 14,859
Caledonia Mining South Africa Proprietary Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)   $ (8,700) $ (5,329)
Greenstone Management Services Holdings Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)   $ (48,149) $ (36,597)
Blanket Mine (1983) (Private) Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership [1]   64.00% 64.00%
Net assets of Blanket Mine (100%) [1]   $ (217) $ 561
Blanket Employee Trust Services (Private) Limited (BETS) [member]      
Statement Line Items [Line Items]      
Percentage of ownership [2]  
Net assets of Blanket Mine (100%) [2]  
Motapa Mining Company UK Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)  
Arraskar Investments (Private) Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)  
Bilboes Gold Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00%
Net assets of Blanket Mine (100%)  
Bilboes Holdings (Private) Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00%
Net assets of Blanket Mine (100%)   $ 805
Caledonia Mining FZCO [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00%
Net assets of Blanket Mine (100%)   $ 61
Caledonia Connemara Private Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)  
Caledonia Maligreen Private Limited [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00% 100.00%
Net assets of Blanket Mine (100%)  
Caledonia Bilboes and Motapa Private [member]      
Statement Line Items [Line Items]      
Percentage of ownership   100.00%
Net assets of Blanket Mine (100%)  
[1] Refer to note 6 for the effective shareholding. NCI has a 13.2% (2022: 13.2%, 2021: 13.2%) interest in cash flows of Blanket only.
[2] BETS and the Community Trust are consolidated as structured entities.