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Investments in Associates - Additional Information (Detail) - USD ($) $ in Thousands |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2022 | Jun. 28, 2022 | May 26, 2022 | Aug. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of associates [line items] |  |  |  |  |  |
Cumulative translation adjustment amount previously recorded in other comprehensive income was reclassified to profit and loss at the time of disposal of foreign operations |  |  |  |  | $ 149,473 | $ 0
Hod Maden Associate [member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  | 30.00% |
Gains losses recognized on disposal of associate |  |  |  |  | $ 24,900 |
Cumulative translation adjustment amount previously recorded in other comprehensive income was reclassified to profit and loss at the time of disposal of foreign operations |  |  |  |  | $ 149,500 |
Entree Resources Limited [member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  | 25.00% |  |
Gain recognized on disposal of investment in associate |  |  | $ 12,500 |  |  |
Entree Resources Limited [member] | Convertible Promissory Note [Member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Equity interest sold for consideration of promissory note |  |  | $ 33,800 |  |  |
Horizon Copper Corp [member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  | 34.00% | 34.00% |
Value owed to associate |  |  |  |  | $ 8,300 |
Horizon Copper Corp [member] | Convertible Promissory Note [Member] | Principal Value [Member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Convertible promissory note receivable |  |  |  | $ 95,000 |  |
Horizon Copper Corp [member] | Non Diluted Basis [member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Proportion of ownership interest in associate | 34.00% |  |  |  |  |
Horizon Copper Corp [member] | Bottom of Range [member] | Fully Diluted [member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  | 20.00% |
Sandbox Royalties Corp [member] | Non Diluted Basis [member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Proportion of ownership interest in associate | 20.10% |  |  |  |  |
Sandbox Royalties Corp [member] | Bottom of Range [member] | Fully Diluted [member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Proportion of ownership interest in associate |  | 20.00% |  |  |  |
Hod Maden [member] |  |  |  |  |  |
Disclosure of associates [line items] |  |  |  |  |  |
Cash contribution in consideration for gold stream |  |  |  |  | $ 10,000 |

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