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REVENUE - Revenue by Product (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 385,839	$ 257,356	$ 1,107,912	$ 672,431
Gold doré sales | Çöpler
Disaggregation of Revenue [Line Items]
Revenue	0	11,804	0	60,031
Gold doré sales | Marigold
Disaggregation of Revenue [Line Items]
Revenue	130,650	119,888	366,544	257,381
Gold doré sales | CC&V
Disaggregation of Revenue [Line Items]
Revenue	97,896	0	282,020	0
Gold doré sales | Seabee
Disaggregation of Revenue [Line Items]
Revenue	31,528	27,886	142,331	122,360
Concentrate sales | Puna
Disaggregation of Revenue [Line Items]
Revenue	121,882	94,563	308,726	225,781
Other | Çöpler
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	345
Other | Marigold
Disaggregation of Revenue [Line Items]
Revenue	44	20	116	84
Other | CC&V
Disaggregation of Revenue [Line Items]
Revenue	352	0	1,066	0
Other | Seabee
Disaggregation of Revenue [Line Items]
Revenue	15	11	55	51
Other | Puna
Disaggregation of Revenue [Line Items]
Revenue	$ 3,472	$ 3,184	$ 7,054	$ 6,398

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