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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