Fair Value Measurements (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value Measurements
Total financial assets	$ 603,980	$ 638,189
Money market funds
Fair Value Measurements
Total financial assets	91,204	40,774
Certificates of deposit
Fair Value Measurements
Total financial assets	12,863	11,391
U.S. Treasury and agency securities
Fair Value Measurements
Total financial assets	309,426	348,948
Commercial paper
Fair Value Measurements
Total financial assets	111,330	77,865
Corporate debt securities
Fair Value Measurements
Total financial assets	79,157	159,211
Level 1
Fair Value Measurements
Total financial assets	91,204	40,774
Level 1 \| Money market funds
Fair Value Measurements
Total financial assets	91,204	40,774
Level 2
Fair Value Measurements
Total financial assets	512,776	597,415
Level 2 \| Certificates of deposit
Fair Value Measurements
Total financial assets	12,863	11,391
Level 2 \| U.S. Treasury and agency securities
Fair Value Measurements
Total financial assets	309,426	348,948
Level 2 \| Commercial paper
Fair Value Measurements
Total financial assets	111,330	77,865
Level 2 \| Corporate debt securities
Fair Value Measurements
Total financial assets	$ 79,157	$ 159,211