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Investments (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 12 Months Ended
May 31, 2023
Jan. 31, 2023
Nov. 30, 2023
Dec. 31, 2022
Dec. 31, 2023
Investment in Marketable Securities (Textual) [Abstract]          
Current liabilities       $ 12,120 $ 0
Marketable Securities, Current       32,032 0
Equity securities       44,152 0
Equity securities          
Investment in Marketable Securities (Textual) [Abstract]          
Cost       95,968 0
Equity Securities, FV-NI, Unrealized Gain (Loss)       0  
Equity Securities, FV-NI, Unrealized Gain       51,816  
Victoria Gold Corp | Equity securities          
Investment in Marketable Securities (Textual) [Abstract]          
Cost       70,560 0
Equity Securities, FV-NI, Unrealized Gain (Loss)       0  
Equity Securities, FV-NI, Unrealized Gain       38,528  
Marketable Securities, Current       32,032 0
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 0
Equity Securities, FV-NI, Unrealized Gain (Loss)       0  
Equity Securities, FV-NI, Unrealized Gain       7,115  
Current liabilities       2,340 0
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 0
Equity Securities, FV-NI, Unrealized Gain (Loss)       0  
Equity Securities, FV-NI, Unrealized Gain       4,199  
Current liabilities       9,521 0
Equity method investment, amount sold (in shares)     14,000,000    
Equity Method Investments, Sale of Stock, Price Per Share     $ 0.43    
Proceeds from sale of equity method investments     $ 6,100    
Other Investments [Member] | Equity securities          
Investment in Marketable Securities (Textual) [Abstract]          
Cost       2,233 0
Equity Securities, FV-NI, Unrealized Gain (Loss)       0  
Equity Securities, FV-NI, Unrealized Gain       1,974  
Current liabilities       $ 259 $ 0