Fair Value Measurements - Financial Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Assets
Assets	$ 196,690	$ 185,168
Total	246,120	233,818
U.S. treasury securities
Assets
Assets	95,157	79,773
Commercial paper
Assets
Assets	46,450	37,065
U.S. government-sponsored agency bonds
Assets
Assets	27,366	45,962
Corporate bonds
Assets
Assets	22,582	17,413
Yankee bonds
Assets
Assets	5,135	1,970
Asset-backed securities
Assets
Assets	0	2,985
Money market funds
Assets
Money market funds	49,430	48,650
Level 1
Assets
Total	49,430	48,650
Level 1 | U.S. treasury securities
Assets
Assets	0	0
Level 1 | Commercial paper
Assets
Assets	0	0
Level 1 | U.S. government-sponsored agency bonds
Assets
Assets	0	0
Level 1 | Corporate bonds
Assets
Assets	0	0
Level 1 | Yankee bonds
Assets
Assets	0	0
Level 1 | Asset-backed securities
Assets
Assets	0	0
Level 1 | Money market funds
Assets
Money market funds	49,430	48,650
Level 2
Assets
Total	196,690	185,168
Level 2 | U.S. treasury securities
Assets
Assets	95,157	79,773
Level 2 | Commercial paper
Assets
Assets	46,450	37,065
Level 2 | U.S. government-sponsored agency bonds
Assets
Assets	27,366	45,962
Level 2 | Corporate bonds
Assets
Assets	22,582	17,413
Level 2 | Yankee bonds
Assets
Assets	5,135	1,970
Level 2 | Asset-backed securities
Assets
Assets	0	2,985
Level 2 | Money market funds
Assets
Money market funds	0	0
Level 3
Assets
Total	0	0
Level 3 | U.S. treasury securities
Assets
Assets	0	0
Level 3 | Commercial paper
Assets
Assets	0	0
Level 3 | U.S. government-sponsored agency bonds
Assets
Assets	0	0
Level 3 | Corporate bonds
Assets
Assets	0	0
Level 3 | Yankee bonds
Assets
Assets	0	0
Level 3 | Asset-backed securities
Assets
Assets	0	0
Level 3 | Money market funds
Assets
Money market funds	$ 0	$ 0