MAJOR SOURCES OF REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Centerra
Major sources of revenue
Revenue	$ 223,713	$ 186,039	$ 158,167
Centerra | Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Major sources of revenue
Percentage of total revenue	21.70%	25.90%	26.10%
Barrick
Major sources of revenue
Revenue	$ 132,623	$ 84,961	$ 75,259
Barrick | Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Major sources of revenue
Percentage of total revenue	12.90%	11.80%	12.40%
Nevada Gold Mines
Major sources of revenue
Revenue	$ 79,121	$ 79,473	$ 101,870
Nevada Gold Mines | Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Major sources of revenue
Percentage of total revenue	7.70%	11.00%	16.80%