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Marketable Securities - Additional Information (Details) $ in Thousands, shares in Millions |  |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 01, 2023 USD ($) $ / shares shares | May 15, 2023 shares | Mar. 31, 2023 USD ($) | Dec. 05, 2022 USD ($) shares | Apr. 20, 2022 USD ($) shares | Mar. 31, 2023 USD ($) shares | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Change in fair value |  |  |  |  |  |  | $ (44,611) | $ (135,191)
Fair Value |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Change in fair value |  |  |  |  |  |  | (44,600) | (135,200)
Other comprehensive income, before tax, gains (losses) on hedging instruments that hedge investments in equity instruments |  |  |  |  |  |  | (44,100) | (134,200)
Other comprehensive losses on hedging instruments in marketable securities |  |  |  |  |  |  | $ (500) | $ (1,000)
Solaris warrant liability |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Cumulative loss on disposition of marketable securities |  |  |  | $ 28,800 |  |  |  |
Solaris warrant liability | Share Purchase Warrants |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Marketable securities carrying amount |  |  | $ 53,400 | 51,900 | $ 56,400 | $ 53,400 |  |
Proceeds from exercise of warrants |  |  |  | $ 51,900 | 40,100 | $ 53,400 |  |
Cumulative on marketable securities transferred, net of tax |  |  |  |  | $ 15,800 |  |  |
i-80 Gold |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  | 19.95% |  |  |  | 0.00% | 25.30%
Number of units acquired in private placement financing (in shares) | shares | 1.0 |  |  |  |  |  |  |
Price per unit acquired in private placement financing (in dollars per share) | $ / shares | $ 2.70 |  |  |  |  |  |  |
Consideration transferred, acquisition-date fair value | $ 2,100 |  |  |  |  |  |  |
Percentage of voting interest threshold for significant influence | 20.00% |  |  |  |  |  |  |
Escrow deposits shares in connection with sale (in shares) | shares |  | 5.8 |  |  |  |  |  |
Marketable securities carrying amount |  |  |  |  |  |  | $ 5,800 |
Escrow carrying amount |  |  |  |  |  |  | $ 10,200 |
Solaris Resources Inc |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |
Sale of equity interests (in units) | shares |  |  |  | 11.0 | 5.0 | 12.0 |  |
Cumulative loss on disposition of marketable securities |  |  |  |  |  | $ 6,600 |  |

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