BUSINESS TRANSACTIONS - Acquisition of Monarch Gold - Fair Value Measurement (Details) - Monarch Gold Corporation	Jan. 21, 2021 USD ($) ha
Disclosure of detailed information about business combination [line items]
Assets acquired, exploration properties	$ 105,800,000
Market Comparison Technique, Observed Transaction Multiples, Per Hectare Range, Minimum	6,080
Market Comparison Technique, Observed Transaction Multiples, Per Hectare Range, Maximum	$ 9,425
Market Comparison Technique, Land Package Comparrisions, Maximum Threshold \| ha	2,000
Market Comparison Technique, Acquisition Price, Minimum Threshold	$ 5,000,000

Market Comparison Technique, Acquisition Price, Minimum Threshold

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Market Comparison Technique, Land Package Comparisons, Maximum Threshold

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Business combinations [member]]

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