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REVENUE - Revenue by Product (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 1,474,199	$ 853,089	$ 606,850
Gold doré sales | Çöpler
Disaggregation of Revenue [Line Items]
Revenue	600,790	205,535	0
Gold doré sales | Marigold
Disaggregation of Revenue [Line Items]
Revenue	426,288	409,746	315,350
Gold doré sales | Seabee
Disaggregation of Revenue [Line Items]
Revenue	213,766	135,177	146,016
Concentrate sales | Puna
Disaggregation of Revenue [Line Items]
Revenue	229,959	105,350	144,839
Other | Çöpler
Disaggregation of Revenue [Line Items]
Revenue	7,097	0	0
Other | Marigold
Disaggregation of Revenue [Line Items]
Revenue	103	53	69
Other | Seabee
Disaggregation of Revenue [Line Items]
Revenue	94	53	49
Other | Puna
Disaggregation of Revenue [Line Items]
Revenue	$ (3,898)	$ (2,825)	$ 527

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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