Short-term Investments - Stated Maturities of Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Amortized Cost
Due within one year	$ 134,285	$ 90,438
Due after one year through four years	82,080	177,278
Amortized Cost	216,365	267,716
Estimated Fair Value
Due within one year	134,685	90,533
Due after one year through four years	82,884	178,191
Total	$ 217,569	$ 268,724