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DEPOSITS AND OBLIGATIONS (Details Textual) - Fondo de Seguro de Depositos [Member] - PEN (S/)
S/ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Deposits and Obligations [Line Items]    
Balance Of Deposits And Obligations S/ 33,571,800 S/ 30,064,800
Maximum Coverage Recognized S/ 100,864 S/ 97,529