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FINANCIAL RISK MANAGEMENT (Details 10) - Consolidated VaR by type of asset [Member] - PEN (S/) S/ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Disclosure Of Consolidated VaR by Type Of Asset [Line Items] |  |
Value at risk | S/ 10,416 | S/ 7,400
Interest Rate Risk [Member] |  |
Disclosure Of Consolidated VaR by Type Of Asset [Line Items] |  |
Value at risk | 9,527 | 7,836
Price risk [member] |  |
Disclosure Of Consolidated VaR by Type Of Asset [Line Items] |  |
Value at risk | 4,476 | 2,759
Volatility Risk [Member] |  |
Disclosure Of Consolidated VaR by Type Of Asset [Line Items] |  |
Value at risk | 0 | 0
Diversification effect [member] |  |
Disclosure Of Consolidated VaR by Type Of Asset [Line Items] |  |
Value at risk | S/ (3,587) | S/ (3,195)

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- Definition The measure of a potential loss exposure as a result of future market movements, based on a specified confidence interval and measurement horizon. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 41 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_41&doctype=Standard -URIDate 2018-03-16 + Details
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