Short-term Investments - Stated Maturities of Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Amortized Cost
Due within one year	$ 139,649	$ 90,438
Due after one year through four years	89,890	177,278
Amortized Cost	229,539	267,716
Estimated Fair Value
Due within one year	139,436	90,533
Due after one year through four years	89,397	178,191
Total	$ 228,833	$ 268,724