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Equity (Details) - PEN (S/) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Equity (Details) [Line Items] |  |
Share capital authorized | 423,868,449 | 423,868,449
Total outstanding shares | 34,252,841 | 31,728,741
Nominal value per share (in Nuevos Soles per share) | S/ 1 |
Number of investment shares acquired | 36,040,497 | 36,040,497
Value of investment shares acquired (in Nuevos Soles) | S/ 121,258,000 | S/ 121,258,000
Additional paid in capitals (in Nuevos Soles) | S/ 432,779,000 | 432,779,000
Distributable earnings, percentage | 10.00% |
Percentage of capital | 20.00% |
Dividends payable (in Nuevos Soles) | S/ 9,550,000 | S/ 7,686,000
Description of dividend payable | During year 2019, in order to comply with Peruvian law requirements S/280,000, respectively corresponding to dividends payable aged greater than ten years were transferred from “Dividends payable” caption to “Legal reserve” caption in the consolidated statement of changes in equity. |
Lima Stock Exchange [Member] |  |
Equity (Details) [Line Items] |  |
Total outstanding shares | 389,615,608 | 392,139,708
Number of investment shares acquired | 928,000 |
Issuance of common shares | 111,484,000 |
Investment shares [Member] |  |
Equity (Details) [Line Items] |  |
Investment shares subscribed and fully paid | 40,278,894 | 40,278,894

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