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RISK MANAGEMENT (Details 21) - Market Risk [Member] $ in Thousands, $ in Millions | Dec. 31, 2018 CLP ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 CLP ($) | Dec. 31, 2017 USD ($)
--- | --- | --- | --- | ---
Local Currency Investments [Member] | Loss Limit [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income | $ 48,000 |  | $ 48,000 |
Effect on capital | 192,001 |  | 175,000 |
Local Currency Investments [Member] | Top of Range [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income | 43,742 |  | (37,148) |
Effect on capital | 189,725 |  | (141,287) |
Local Currency Investments [Member] | Bottom of Range [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income | 27,854 |  | (22,958) |
Effect on capital | 170,450 |  | (112,818) |
Local Currency Investments [Member] | Weighted Average [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income | 37,569 |  | (29,110) |
Effect on capital | 180,972 |  | (128,506) |
Foreign Currency Investments [Member] | Loss Limit [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income |  | $ 30,000 |  | $ 30,000
Effect on capital |  | 75,000 |  | 75,000
Foreign Currency Investments [Member] | Top of Range [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income |  | 12,000 |  | 16,000
Effect on capital |  | 38,000 |  | 42,000
Foreign Currency Investments [Member] | Bottom of Range [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income |  | 4,000 |  | 4,000
Effect on capital |  | (10,000) |  | 15,000
Foreign Currency Investments [Member] | Weighted Average [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income |  | 9,000 |  | 10,000
Effect on capital |  | $ 22,000 |  | $ 23,000
Consolidated [Member] | Loss Limit [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income | 48,000 |  | 48,000 |
Effect on capital | 192,002 |  | 175,000 |
Consolidated [Member] | Top of Range [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income | 45,492 |  | (38,249) |
Effect on capital | 192,848 |  | (142,442) |
Consolidated [Member] | Bottom of Range [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income | 29,167 |  | (23,571) |
Effect on capital | 168,766 |  | (112,277) |
Consolidated [Member] | Weighted Average [Member] |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |
Effect on financial income | 38,908 |  | (29,948) |
Effect on capital | $ 182,557 |  | $ (128,360) |

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