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Financial Instruments - Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Investments, All Other Investments [Abstract]    
Cash and cash equivalents $ 118,764 $ 173,857
Available-for-sale investments 29,216 55,538
Equity investments 10,000 10,000
Total $ 157,980 $ 239,395