DEBT - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Long-Term Debt Instrument [Roll Forward]
Total debt	$ 445,731	$ 174,717
Less current portion of debt	683	76,808
Long-term debt	445,048	97,909
2026 Gold Prepay
Long-Term Debt Instrument [Roll Forward]
Total debt	149,549	0
Silver Purchase Agreement
Long-Term Debt Instrument [Roll Forward]
Total debt	19,031	18,775
Orion Gold Prepay
Long-Term Debt Instrument [Roll Forward]
Total debt	0	8,176
Convertible loans \| 2026 Convertible Debentures
Long-Term Debt Instrument [Roll Forward]
Total debt	275,106	0
Convertible loans \| 2023 Convertible Debentures
Long-Term Debt Instrument [Roll Forward]
Total debt	0	80,326
Convertible loans \| Orion Convertible Loan
Long-Term Debt Instrument [Roll Forward]
Total debt	0	66,085
Other
Long-Term Debt Instrument [Roll Forward]
Total debt	$ 2,045	$ 1,355

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Definition

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