TAX SITUATION - tax rates (Details) - PEN (S/) S/ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Disclosure of tax situation [Line Items] | |||
| Rate | 29.50% | 29.50% | 29.50% |
| Number of Units of Tax Value | S/ 120 | ||
| Tax Vaue amount | S/ 4,200 | ||
| Up to 1 year [Member] | |||
| Disclosure of tax situation [Line Items] | |||
| Rate | 32.00% | ||
| Surcharge Rate | 4.00% | ||
| 2021 | |||
| Disclosure of tax situation [Line Items] | |||
| Rate | 31.00% | ||
| Surcharge Rate | 3.00% | ||
| 2022 | |||
| Disclosure of tax situation [Line Items] | |||
| Rate | 30.00% | ||
| Surcharge Rate | 3.00% | ||
| As of 2023 | |||
| Disclosure of tax situation [Line Items] | |||
| Rate | 30.00% | ||