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FAIR VALUE MEASUREMENTS - Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets | $ 45,286,000 |  | $ 45,965,000
Lagunas Norte [Member] |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Contingent Consideration reclassed to Accounts Receivable | 15,000 |  |
Massawa |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Consideration paid (received) |  | $ 46,250 |
Carrying amount |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Financial assets | 519,000 |  | 1,529,000
Financial liabilities | 5,406,000 |  | 6,344,000
Carrying amount | Derivatives |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Financial assets | 0 |  | 59,000
Carrying amount | Debt |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Financial liabilities | 4,774,000 |  | 4,782,000
Carrying amount | Other liabilities |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Financial liabilities | 632,000 |  | 1,562,000
At fair value [member] |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Financial assets | 519,000 |  | 1,529,000
Financial liabilities | 5,572,000 |  | 6,484,000
At fair value [member] | Derivatives |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Financial assets | 0 |  | 59,000
At fair value [member] | Debt |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Financial liabilities | 4,940,000 |  | 4,922,000
At fair value [member] | Other liabilities |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Financial liabilities | 632,000 |  | $ 1,562,000
Recurring fair value measurement |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets (liabilities) | 318,000 |  |
Recurring fair value measurement | Level 1 of fair value hierarchy [member] |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets (liabilities) | 102,000 |  |
Recurring fair value measurement | Level 2 of fair value hierarchy [member] |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets (liabilities) | 216,000 |  |
Recurring fair value measurement | Significant Unobservable Inputs (Level 3) |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets (liabilities) | 0 |  |
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets | 216,000 |  |
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] | Level 1 of fair value hierarchy [member] |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets | 0 |  |
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] | Level 2 of fair value hierarchy [member] |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets | 216,000 |  |
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] | Significant Unobservable Inputs (Level 3) |  |  |
Disclosure of fair value measurement of assets and liabilities [Line Items] |  |  |
Assets | $ 0 |  |

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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35H -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35H&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35M -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35M&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35N -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35N&doctype=Standard -URIDate 2022-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35I -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35I&doctype=Standard -URIDate 2022-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard -URIDate 2022-03-24 + Details
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