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Investments and Fair Value Measurements - Maturities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Fair Value Disclosures [Abstract] |  |
Due within one year | $ 456,826 |
Due after one year through two years | 117,285 |
Due within one year | 456,282 |
Due after one year through two years | 116,180 |
Fair Value | $ 572,462 | $ 434,628

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