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ÇÖPLER INCIDENT - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Mar. 31, 2024	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Impairment charges		$ 369		$ 2,637	$ 114,599	$ 2,637
Çöpler Incident
Segment Reporting Information [Line Items]
Direct costs		16,500			41,500
Depreciation		13,300			$ 33,200
Estimated future cost	$ 250,000
Incurred remediation costs			$ 22,500
Reclamation adjustments, changes in estimates			11,200
Increase to remediation liability			261,700
Impairment charges			114,200
Contingencies related to the Çöpler incident			15,300
Gain on revision of estimate		$ 7,900
Çöpler Incident | Inventories
Segment Reporting Information [Line Items]
Impairment charges			76,000
Çöpler Incident | Mineral properties, plant and equipment, net
Segment Reporting Information [Line Items]
Impairment charges			$ 38,200
Çöpler Incident | Minimum
Segment Reporting Information [Line Items]
Estimated future cost	250,000
Çöpler Incident | Maximum
Segment Reporting Information [Line Items]
Estimated future cost	$ 300,000

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