XML 63 R51.htm IDEA: XBRL DOCUMENT v3.22.2
Investments (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 28, 2022
Mar. 21, 2022
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Debt Securities, Available-for-sale [Abstract]                
Marketable Securities, Realized Gain (Loss)     $ 0   $ 0 $ 0 $ (769)  
Unrealized gain (loss) on equity securities     (62,810)   $ 36,575 (49,066) $ 32,007  
Equity securities                
Investment in Marketable Securities (Textual) [Abstract]                
Cost     154,118     154,118   $ 138,165
Equity Securities, FV-NI, Unrealized Gain (Loss)       $ 0   0    
Equity Securities, FV-NI, Unrealized Gain       5,968   55,034    
Current liabilities     99,084     99,084   132,197
Victoria Gold Corp | Equity securities                
Investment in Marketable Securities (Textual) [Abstract]                
Cost     128,710     128,710   128,710
Equity Securities, FV-NI, Unrealized Gain (Loss)       0   0    
Equity Securities, FV-NI, Unrealized Gain       4,499   41,171    
Current liabilities     87,539     87,539   124,211
Proceeds from sale of equity method investments $ 40,500              
Equity method investment, amount sold (in shares) 5,000,000              
Equity Method Investments, Sale of Stock, Price Per Share $ 8.34              
Integra Resources Corp. [Member] | Equity securities                
Investment in Marketable Securities (Textual) [Abstract]                
Cost     9,455     9,455   9,455
Equity Securities, FV-NI, Unrealized Gain (Loss)       0   0    
Equity Securities, FV-NI, Unrealized Gain       $ 1,469   5,691    
Current liabilities     3,764     3,764   $ 7,986
Avino Silver & Gold Mines Ltd | Equity securities                
Investment in Marketable Securities (Textual) [Abstract]                
Shares purchased during period, shares   14,000,000            
Investment owned, percent of assets   12.00%            
Cost     13,720     13,720    
Equity Securities, FV-NI, Unrealized Gain (Loss)           0    
Equity Securities, FV-NI, Unrealized Gain           6,145    
Current liabilities     7,575     7,575    
Other Investments [Member] | Equity securities                
Investment in Marketable Securities (Textual) [Abstract]                
Cost     2,233     2,233    
Equity Securities, FV-NI, Unrealized Gain (Loss)           0    
Equity Securities, FV-NI, Unrealized Gain           2,027    
Current liabilities     $ 206     $ 206