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Non-Marketable Securities - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Non-marketable Securities          
Proceeds from non-marketable securities     $ 73,418 $ 62  
Purchase of non-marketable securities     77,100 9,400  
Alternative investments measured using the equity method $ 0   0    
Impairments on equity securities 4,000   4,000   $ 0
Unrealized loss $ (100) $ (100) $ (400) $ (100)