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Financial Instruments - Investments (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Investments, All Other Investments [Abstract]    
Cash and cash equivalents $ 538,296 $ 165,493
Available-for-sale investments 9,869 17,431
Equity investments 10,000 10,000
Total $ 558,165 $ 192,924