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Equity (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of share capital, reserves and other equity interest [text block] [Abstract]  
Schedule of equity distribution
   2021   2020   2019 
Approval date by Board of Directors  April 29, 2021   November 16, 2020   November 18, 2019 
Declared dividends per share to be paid in cash S/.   0.790000    0.23000    0.36000 
Declared dividends S/(000):   338,204    98,465    154,119