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Property, Plant and Equipment (Details) - PEN (S/)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment (Details) [Line Items]    
Impairment charge on total book value   S/ 42,859,000
Group maintains accounts payable S/ 7,615,000 S/ 4,830,000
Mining assets [member]    
Property, Plant and Equipment (Details) [Line Items]    
Net acquisition costs related to coal concessions S/ 15,488,000