XML 223 R155.htm IDEA: XBRL DOCUMENT v3.22.1
OTHER FINANCIAL LIABILITIES (Details) - Schedule of hedging instruments - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Interest rate swaps [Member]    
OTHER FINANCIAL LIABILITIES (Details) - Schedule of hedging instruments [Line Items]    
Fair values of net assets/ (liabilities) [1] $ (2,734) $ (2,734)
Currency options CLP/US$    
OTHER FINANCIAL LIABILITIES (Details) - Schedule of hedging instruments [Line Items]    
Fair values of net assets/ (liabilities) $ 17,641 $ 1,296
[1] Hedge significant variations in cash flows associated with market risk implicit in the changes in the price of future fuel purchases. These contracts are recorded as cash flow hedges.