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Investments and Fair Value Measurements - Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Fair Value Disclosures [Abstract]
Due within one year	$ 442,427
Due after one year through two years	228,611
Cost	671,038	$ 643,067
Due within one year	442,667
Due after one year through two years	228,727
Fair Value	$ 671,394	$ 643,410

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