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v3.23.2

Investments (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
May 31, 2023 | Jan. 31, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Debt Securities, Available-for-sale [Abstract] |  |  |  |  |  |  |
Marketable Securities, Realized Gain (Loss) |  |  | $ 3,700 | $ 62,800 | $ 500 | $ 49,100 |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |  |  |  |
Current liabilities |  |  | 0 |  | 0 |  | $ 12,120
Marketable Securities, Current |  |  | 9,240 |  | 9,240 |  | 32,032
Equity securities |  |  |  |  |  |  | 44,152
Equity securities |  |  |  |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |  |  |  |
Cost |  |  | 15,953 |  | 15,953 |  | 95,968
Equity Securities, FV-NI, Unrealized Gain (Loss) |  |  |  |  | 0 | 0 |
Equity Securities, FV-NI, Unrealized Gain |  |  |  |  | 6,713 | 51,816 |
Marketable Securities, Current |  |  | 9,240 |  | 9,240 |  |
Victoria Gold Corp | Equity securities |  |  |  |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |  |  |  |
Cost |  |  |  |  |  |  | 70,560
Equity Securities, FV-NI, Unrealized Gain (Loss) |  |  |  |  |  | 0 |
Equity Securities, FV-NI, Unrealized Gain |  |  |  |  |  | 38,528 |
Marketable Securities, Current |  |  |  |  |  |  | 32,032
Equity method investment, amount sold (in shares) |  | 6,000,000 |  |  |  |  |
Equity Method Investments, Sale of Stock, Price Per Share |  | $ 6.70 |  |  |  |  |
Proceeds from sale of equity method investments |  | $ 39,800 |  |  |  |  |
Integra Resources Corp. [Member] | Equity securities |  |  |  |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |  |  |  |
Cost |  |  |  |  |  |  | 9,455
Equity Securities, FV-NI, Unrealized Gain (Loss) |  |  |  |  |  | 0 |
Equity Securities, FV-NI, Unrealized Gain |  |  |  |  |  | 7,115 |
Current liabilities |  |  |  |  |  |  | 2,340
Equity method investment, amount sold (in shares) | 3,700,000 |  |  |  |  |  |
Equity Method Investments, Sale of Stock, Price Per Share | $ 0.48 |  |  |  |  |  |
Proceeds from sale of equity method investments | $ 1,800 |  |  |  |  |  |
Avino Silver & Gold Mines Ltd | Equity securities |  |  |  |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |  |  |  |
Cost |  |  | 13,720 |  | 13,720 |  | 13,720
Equity Securities, FV-NI, Unrealized Gain (Loss) |  |  |  |  | 0 | 0 |
Equity Securities, FV-NI, Unrealized Gain |  |  |  |  | 4,483 | 4,199 |
Current liabilities |  |  |  |  |  |  | 9,521
Marketable Securities, Current |  |  | 9,237 |  | 9,237 |  |
Other Investments [Member] | Equity securities |  |  |  |  |  |  |
Investment in Marketable Securities (Textual) [Abstract] |  |  |  |  |  |  |
Cost |  |  | 2,233 |  | 2,233 |  | 2,233
Equity Securities, FV-NI, Unrealized Gain (Loss) |  |  |  |  | 0 | 0 |
Equity Securities, FV-NI, Unrealized Gain |  |  |  |  | 2,230 | $ 1,974 |
Current liabilities |  |  |  |  |  |  | $ 259
Marketable Securities, Current |  |  | $ 3 |  | $ 3 |  |

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