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Deferred Income Tax Assets and Liabilities (Details) - PEN (S/)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Deferred Income Tax Assets and Liabilities (Details) [Line Items]      
Income tax relating to components of other comprehensive income S/ 5,557,000 S/ 5,659,000 S/ 3,308,000
Tax loss carryforward 24,085,000 22,230,000  
Other temporary differences [member]      
Deferred Income Tax Assets and Liabilities (Details) [Line Items]      
Increase (decrease) in deferred tax liability (asset) S/ 83,079,000 S/ 80,357,000