Investments and Fair Value of Financial Instruments - Financial Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financial Assets
Non-marketable investment	$ 13,761	$ 13,761
Total	532,362	468,361
Commercial paper
Financial Assets
Marketable investments	179,709	178,612
Certificate of Deposit
Financial Assets
Marketable investments	16,717	8,378
U.S. treasury
Financial Assets
Marketable investments	1,399	2,800
Corporate bonds
Financial Assets
Marketable investments	176,546	168,129
Commercial paper
Financial Assets
Cash equivalents	68,433
Money market funds
Financial Assets
Cash equivalents	75,797	96,681
Level 1
Financial Assets
Non-marketable investment	0	0
Total	77,196	99,481
Level 1 \| Commercial paper
Financial Assets
Marketable investments	0	0
Level 1 \| Certificate of Deposit
Financial Assets
Marketable investments	0	0
Level 1 \| U.S. treasury
Financial Assets
Marketable investments	1,399	2,800
Level 1 \| Corporate bonds
Financial Assets
Marketable investments	0	0
Level 1 \| Commercial paper
Financial Assets
Cash equivalents	0
Level 1 \| Money market funds
Financial Assets
Cash equivalents	75,797	96,681
Level 2
Financial Assets
Non-marketable investment	0	0
Total	441,405	355,119
Level 2 \| Commercial paper
Financial Assets
Marketable investments	179,709	178,612
Level 2 \| Certificate of Deposit
Financial Assets
Marketable investments	16,717	8,378
Level 2 \| U.S. treasury
Financial Assets
Marketable investments	0	0
Level 2 \| Corporate bonds
Financial Assets
Marketable investments	176,546	168,129
Level 2 \| Commercial paper
Financial Assets
Cash equivalents	68,433
Level 2 \| Money market funds
Financial Assets
Cash equivalents	0	0
Level 3
Financial Assets
Non-marketable investment	13,761	13,761
Total	13,761	13,761
Level 3 \| Commercial paper
Financial Assets
Marketable investments	0	0
Level 3 \| Certificate of Deposit
Financial Assets
Marketable investments	0	0
Level 3 \| U.S. treasury
Financial Assets
Marketable investments	0	0
Level 3 \| Corporate bonds
Financial Assets
Marketable investments	0	0
Level 3 \| Commercial paper
Financial Assets
Cash equivalents	0
Level 3 \| Money market funds
Financial Assets
Cash equivalents	$ 0	$ 0