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Investments and Fair Value Measurements - Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Fair Value Disclosures [Abstract]
Due within one year	$ 195,141
Due after one year through two years	235,253
Cost	430,394	$ 643,067
Due within one year	195,156
Due after one year through two years	235,241
Fair Value	$ 430,397	$ 643,410

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