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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RECENTLY ADOPTED AND RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS (Details) | 12 Months Ended
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Dec. 31, 2023 $ / oz
Mt. Milligan |
Cash payment for each ounce of gold (in dollars per ounce) | 435
Minimum |
Term of the contract | 10 days
Maximum |
Term of the contract | 3 months

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- Definition Maximum purchase price for each payable ounce of gold. + References No definition available. + Details
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Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |