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Transactions in Foreign Currency (Details)
 12 Months Ended
Dec. 31, 2021
PEN (S/)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
PEN (S/)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
PEN (S/)
Disclosure About The Transactions In Foreign Currency [Abstract]          
Transactions in foreign currency, description As of December 31, 2021 the exchange rates for transactions in United States dollars, published by this institution, were S/3.975 for purchase and S/3.998 for sale (S/3.618 for purchase and S/3.624 for sale as of December 31, 2020). As of December 31, 2021 the exchange rates for transactions in United States dollars, published by this institution, were S/3.975 for purchase and S/3.998 for sale (S/3.618 for purchase and S/3.624 for sale as of December 31, 2020).      
Amount of underlying liabilities   $ 131,612,000   $ 131,612,000  
Amount of swap position   132,000,000   150,000,000  
Derivative financial instruments   $ 388,000   $ 18,388,000  
Net loss exchange difference amount (in Nuevos Soles) | S/ S/ 7,086,000   S/ 9,831,000    
Net gain exchange difference amount (in Nuevos Soles) | S/         S/ 729,000