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Other Expense, net - Other expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Other Expense, net
Unrealized currency exchange loss	$ 363	$ 889	$ 1,334	$ 2,220
Realized currency exchange loss (gain)	175	75	472	(82)
Realized and unrealized gain from gold and silver rounds, net	(28)	(19)	(61)	(35)
Realized and unrealized losses from sale of investments	1	1,723	1	1,723
Interest on streaming liabilities	4,222	3,457	12,059	9,612
Severance		277	459	953
Interest on note payable	170		181
Loss on loan payoff	479		479
Other expense (income)	1,955	(1,227)	2,028	(145)
Total	$ 7,337	$ 5,175	$ 16,952	$ 14,246

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