Short-term Investments - Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 178,948	$ 267,716
Unrealized Gain	461	1,032
Unrealized Loss	0	(24)
Estimated Fair Value	179,409	268,724
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	168,504	239,297
Unrealized Gain	396	970
Unrealized Loss	0	(11)
Estimated Fair Value	168,900	240,256
U.S. agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		15,000
Unrealized Gain		0
Unrealized Loss		(7)
Estimated Fair Value		14,993
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,444	10,438
Unrealized Gain	65	62
Unrealized Loss	0	0
Estimated Fair Value	$ 10,509	10,500
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		2,981
Unrealized Gain		0
Unrealized Loss		(6)
Estimated Fair Value		$ 2,975