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Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Disclosure of Shareholders' equity, net [Line Items] |
Schedule of dividends declared and paid | During years 2021 and 2020 no distribution of dividends was made. The table below presents the dividends declared and paid in 2022:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Dividends | ​ | ​
​ | ​ | ​ |  | declared and |  | Dividend
Meetings |  | Date |  | paid |  | per share
​ | ​ | ​ |  | US$(000) |  | US$
​ | ​ | ​ | ​ | ​ | ​ | ​
2022 Dividends | ​ | ​ | ​ | ​ | ​ | ​
Mandatory Annual Shareholders’ Meeting |  | March 31 |  | 20,067 |  | 0.073
Less - Dividends of treasury shares | ​ | ​ |  | (1,525) | ​ | ​
​ | ​ | ​ |  | 18,542 | ​ | ​
​
Schedule Of Earning Per Share | Profit (loss) per share is calculated by dividing net profit (loss) for the period by the weighted average number of shares outstanding during the year. The calculation of profit (loss) per share attributable to the equity holders of the parent is presented below:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​
Profit (loss) for the year (numerator) - US$ |  | 602,550,000 |  | (264,075,000) |  | (135,718,000)
Total common and investment shares (denominator) |  | 253,986,867 |  | 253,986,867 |  | 253,986,867
Profit (loss) per basic share and diluted - US$ |  | 2.37 |  | (1.04) |  | (0.53)
​ The calculation of profit (loss) per share from continuing operations attributable to the equity holders of the parent is presented below: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​
Profit (loss) for the year (numerator) - US$ |  | 124,003,000 |  | 123,529,000 |  | (68,916,000)
Total common and investment shares (denominator) |  | 253,986,867 |  | 253,986,867 |  | 253,986,867
Profit (loss) per basic share and diluted - US$ |  | 0.49 |  | 0.49 |  | (0.27)
​ The calculation of profit (loss) per share from discontinuing operations attributable to the equity holders of the parent is presented below: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​
Profit (loss) for the year (numerator) - US$ |  | 478,547,000 |  | (387,604,000) |  | (66,802,000)
Total common and investment shares (denominator) |  | 253,986,867 |  | 253,986,867 |  | 253,986,867
Profit (loss) per basic share and diluted - US$ |  | 1.88 |  | (1.53) |  | (0.26)
​ Common and investment shares outstanding at the close of the years 2022, 2021 and 2020 was 253,986,867.
Sociedad Minera El Brocal S.A.A |
Disclosure of Shareholders' equity, net [Line Items] |
Schedule of capital stock structure | As of December 31, 2022, the Company’s capital stock structure is as follows: ​
​ | ​ | ​ | ​ | ​
Percentage of individual interest in capital |  | Number of shareholders |  | Total percentage interest
​ | ​ | ​ | ​ | ​
Up to 1.00 |  | 2,220 |  | 5.86
From 1.01 to 20.00 |  | 1 |  | 19.58
From 20.01 to 30.00 |  | 1 |  | 21.00
From 30.01 to 60.00 |  | 1 |  | 53.56
​ | ​ | ​ | ​ | ​
​ |  | 2,223 |  | 100.00
​
Capital stock [Member] |
Disclosure of Shareholders' equity, net [Line Items] |
Schedule of classes of share capital | The Group’s share capital is stated in soles and consisted of authorized, fully paid and voting common shares with a nominal amount of S/ 10.00 per share. The table below presents the composition of the capital stock as of December 31, 2022 and 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Number of |  | Capital |  | Capital
​ | ​ | shares | ​ | stock | ​ | stock
​ | ​ | ​ | ​ | S/(000) | ​ | US$(000)
​ | ​ | ​ | ​ | ​ | ​ | ​
Common shares |  | 274,889,924 |  | 2,748,899 |  | 813,162
Treasury shares |  | (21,174,734) |  | (211,747) |  | (62,665)
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 253,715,190 |  | 2,537,152 |  | 750,497
​
Investment shares [Member] |
Disclosure of Shareholders' equity, net [Line Items] |
Schedule of classes of share capital | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Number of |  | Investment |  | Investment
​ | ​ | shares | ​ | shares | ​ | shares
​ | ​ | ​ | ​ | S/(000) | ​ | US$(000)
​ | ​ | ​ | ​ | ​ | ​ | ​
Investment shares |  | 744,640 |  | 7,447 |  | 2,161
Treasury investment shares |  | (472,963) |  | (4,730) |  | (1,370)
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 271,677 |  | 2,717 |  | 791

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