v3.26.1
Related Party Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Metallon Corporation Limited [Member]    
Disclosure of transactions between related parties [line items]    
Related party credit losses $ 0.0  
Additional provision due to liquidity concerns   $ 1.2
Metallon Management Services [Member]    
Disclosure of transactions between related parties [line items]    
Related party credit losses   1.4
Credit loss on receivables due to liquidity concerns   0.2
Bulawayo Mining Company [Member]    
Disclosure of transactions between related parties [line items]    
Properties for sale   1.2
Directors [Member]    
Disclosure of transactions between related parties [line items]    
Amount owed to related party $ 2.4  
non-executive directors [Member]    
Disclosure of transactions between related parties [line items]    
Amount owed to related party   $ 3.0