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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) |

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