XML 308 R81.htm IDEA: XBRL DOCUMENT v3.24.0.1
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