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Supplementary Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Supplementary Cash Flow Information
Unrealized gain on gold and silver rounds			$ (61)	$ (35)
Unrealized foreign currency exchange loss	$ 363	$ 889	1,334	2,220
Unrealized loss on investments				1,168
Increase in reserve for inventory			422
Other, net			1,232	1,093
Total other operating adjustments, net			$ 2,927	$ 4,446

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