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NET GAIN ON SECURITIES (Details) - PEN (S/)
S/ in Thousands
1 Months Ended 12 Months Ended
Apr. 22, 2016
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Net gain on financial assets at fair value through profit or loss   S/ 15,552 S/ 40,314 S/ 20,117
Credit loss on investments at fair value through other comprehensive income   1,909 0 0
Credit loss on investments available-for-sale   0 (766) (14,459)
Others   80 (244) (751)
Total S/ 124,700 242,829 760,772 339,930
Associates [member]        
Gains (losses) on disposals of investments [1]   72,254 49,268 41,444
Trading securities [member]        
Gains (losses) on disposals of investments   S/ 153,034 S/ 672,200 S/ 293,579
[1] It mainly includes the profit of its associated Entidad Prestadora de Salud for approximately S/50.4 million during the year 2018 (S/37.2 million in 2017).