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OTHER INCOME (EXPENSE)
 9 Months Ended
Sep. 30, 2024
Other Income and Expenses [Abstract]  
OTHER INCOME (EXPENSE) OTHER INCOME (EXPENSE)
The following table includes the components of Other income (expense):
Three Months Ended September 30,Nine Months Ended September 30,
2024202320242023
Interest income$3,881 $6,098 $13,682 $21,015 
Gain (loss) on investments and on marketable security sales
2,866 8,437 11,098 19,839 
Change in fair value of marketable securities(330)(555)(6,749)565 
Gain (loss) on sale of mineral properties, plant, and equipment— (560)— (1,610)
Other2,158 (2,042)(721)(3,010)
Total$8,575 $11,378 $17,310 $36,799