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CASH AND DUE FROM BANKS (Details textual) S/ in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 PEN (S/) | Dec. 31, 2017 PEN (S/) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Disclosure Of Cash And Cash Equivalents [Line Items] |  |  |  |
Implicit interest rate, domestic | 5.01% | 5.00% | 5.01% | 5.00%
Implicit interest rate, foreign | 35.12% | 32.40% | 35.12% | 32.40%
Overnight deposit one | S/ 1,437.8 | S/ 3,067.8 |  |
Interest rate on overnight deposits | 2.43% | 2.00% | 2.43% | 2.00%
Description of maturity of overnight deposits | maturities at 2 days | maturities at 5 days |  |
US Dollars [Member] |  |  |  |
Disclosure Of Cash And Cash Equivalents [Line Items] |  |  |  |
Overnight deposit one | $ |  |  | $ 426.3 | $ 946.6
Overnight deposit two |  | S/ 300.0 |  |
Interest rate on overnight deposits |  | 1.41% |  | 1.41%

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- Definition The description of maturity of overnight deposits. + References No definition available. + Details
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- Definition The implicit rate of interest on the mandatory reserve deposits made in domestic currency. + References No definition available. + Details
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- Definition The implicit rate of interest on the mandatory reserve deposits made in foreign currency. + References No definition available. + Details
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- Details
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