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Financial Instruments - Available-for-sale Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Investments, All Other Investments [Abstract]    
Amortized cost $ 80,250 $ 0
Unrealized gains 58 0
Unrealized losses (993) 0
Available-for-sale investments $ 79,315 $ 0