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Fair Value Measurements - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jul. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Inventories $ 24,463 $ 14,125 $ 51,266 $ 22,473  
Fair value adjustments, net, pretax 0 $ 4 $ 0 (342)  
Mining Concessions Purchase Agreement Member          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Cash payment 24 months after closing         $ 5,000
SilverCrest          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Transaction advisory fees and other acquisition costs $ 72,300        
Inventories       $ 72,000