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Non-Marketable Securities - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Non-marketable Securities |  |  |
Purchase of non-marketable securities | $ 15,900 | $ 10,300 |
Proceeds from redemptions and sales of non-marketable securities | 15,700 | 27,114 |
Alternative investments measured using the equity method | 0 |  | $ 0
Purchase of convertible preferred stock | 0 | 400 |
Equity method investments | 26,200 |  | 26,200
Equity method investments without a readily determinable fair value | 1,800 |  |
Unrealized gains (losses) | (300) | (100) |
Impairment related to equity method investments | 0 |  | $ 0
Purchase of equity investment | $ 500 | $ 600 |

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