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v3.24.0.1

Fair Value Measurements (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) EquityInstruments | Dec. 31, 2022 USD ($)
Fair value measurements |  |
Transfer from Level 1 to 2 of financial assets | $ 0 |
Transfer from Level 2 to 1 of financial assets | 0 |
Transfer from Level 1 to 2 of financial liabilities | 0 |
Transfer from Level 2 to 1 of financial liabilities | 0 |
Transfers Into Level 3 of financial assets | 0 |
Transfers Out of Level 3 of financial assets | 0 |
Transfers Into Level 3 of financial liabilities | 0 |
Transfers Out of Level 3 of financial liabilities | $ 0 |
Number of investments with no quoted market price in an active market | EquityInstruments | 2 |
Recurring Basis |  |
Fair value measurements |  |
Financial assets, at fair value | $ 285,000,000.0 | $ 236,500,000
Recurring Basis | Level 1 |  |
Fair value measurements |  |
Financial assets, at fair value | 241,800,000 | 220,800,000
Recurring Basis | Level 2 |  |
Fair value measurements |  |
Financial assets, at fair value | 13,800,000 | 11,900,000
Recurring Basis | Level 3 |  |
Fair value measurements |  |
Financial assets, at fair value | 29,400,000 | 3,800,000
Receivables from provisional concentrate sales | Recurring Basis |  |
Fair value measurements |  |
Financial assets, at fair value | 5,700,000 | 9,300,000
Receivables from provisional concentrate sales | Recurring Basis | Level 2 |  |
Fair value measurements |  |
Financial assets, at fair value | 5,700,000 | 9,300,000
Equity investments | Recurring Basis |  |
Fair value measurements |  |
Financial assets, at fair value | 246,400,000 | 224,600,000
Equity investments | Recurring Basis | Level 1 |  |
Fair value measurements |  |
Financial assets, at fair value | 241,800,000 | 220,800,000
Equity investments | Recurring Basis | Level 3 |  |
Fair value measurements |  |
Financial assets, at fair value | 4,600,000 | 3,800,000
Loans Receivables | Recurring Basis |  |
Fair value measurements |  |
Financial assets, at fair value | 24,800,000 |
Loans Receivables | Recurring Basis | Level 3 |  |
Fair value measurements |  |
Financial assets, at fair value | 24,800,000 |
Warrants | Recurring Basis |  |
Fair value measurements |  |
Financial assets, at fair value | 8,100,000 | 2,600,000
Warrants | Recurring Basis | Level 2 |  |
Fair value measurements |  |
Financial assets, at fair value | $ 8,100,000 | $ 2,600,000

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