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Marketable Securities and Fair Value Measurements - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |
Investment income | $ 3,600,000 | $ 4,800,000 | $ 7,900,000 | $ 10,200,000 |
Allowances for credit losses | 0 |  | 0 |  | $ 0
Debt Securities |  |  |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |
Investment income | 2,600,000 | 3,300,000 | 5,700,000 | 7,200,000 |
Cash and Cash Equivalents |  |  |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |
Investment income | $ 1,000,000.0 | $ 1,500,000 | $ 2,200,000 | $ 3,000,000 |

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