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Income tax and deferred taxes - Current and Non-Current Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Major Components Of Tax Expense [Line Items] |  |
Current tax assets | $ 637,033 | $ 224,914
Non-current tax assets | 59,541 | 127,114
Monthly provisional income tax payments, Chilean companies |  |
Major Components Of Tax Expense [Line Items] |  |
Current tax assets | 584,382 | 894
Monthly provisional income tax payments, foreign companies |  |
Major Components Of Tax Expense [Line Items] |  |
Current tax assets | 26,741 | 96,906
Corporate tax credits |  |
Major Components Of Tax Expense [Line Items] |  |
Current tax assets | 1,918 | 653
1st category tax absorbed by tax losses |  |
Major Components Of Tax Expense [Line Items] |  |
Current tax assets | 1,872 | 169
Taxes in recovery process |  |
Major Components Of Tax Expense [Line Items] |  |
Current tax assets | 22,120 | 126,292
Non current tax receivable (see note 20.3) |  |
Major Components Of Tax Expense [Line Items] |  |
Non-current tax assets | $ 59,541 | $ 127,114

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