FINANCIAL RISK MANAGEMENT - VAR by Risk Type (Details) - Price Risk [Member] - PEN (S/) S/ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Disclosure Of Consolidated VaR by Type Of Asset [Line Items] | ||
| Value at risk | S/ 11,301 | S/ 10,426 |
| Interest Rate Risk [Member] | ||
| Disclosure Of Consolidated VaR by Type Of Asset [Line Items] | ||
| Value at risk | 9,274 | 9,527 |
| Price Risk [Member] | ||
| Disclosure Of Consolidated VaR by Type Of Asset [Line Items] | ||
| Value at risk | 7,809 | 4,476 |
| Volatility Risk [Member] | ||
| Disclosure Of Consolidated VaR by Type Of Asset [Line Items] | ||
| Value at risk | 463 | 10 |
| Diversification effect [member] | ||
| Disclosure Of Consolidated VaR by Type Of Asset [Line Items] | ||
| Value at risk | S/ (6,245) | S/ (3,587) |