Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financial assets:
Fair Value	$ 304,654	$ 358,553
SPA put/call	3,745
Marketable equity security	1	30
Total financial assets	308,400	358,583
Financial liabilities:
Contingent consideration payable		7,600
Success payment liabilities	632	411
Total financial liabilities	632	8,011
U.S. Treasury securities
Financial assets:
Fair Value	208,634	226,271
U.S. government agency securities
Financial assets:
Fair Value	5,591	36,815
Corporate debt securities
Financial assets:
Fair Value	7,780	21,492
Money market funds
Financial assets:
Money market funds	82,649	73,975
Level 1
Financial assets:
SPA put/call	0
Marketable equity security	1	30
Total financial assets	82,650	74,005
Financial liabilities:
Contingent consideration payable		0
Success payment liabilities	0	0
Total financial liabilities	0	0
Level 1 | U.S. Treasury securities
Financial assets:
Fair Value	0	0
Level 1 | U.S. government agency securities
Financial assets:
Fair Value	0	0
Level 1 | Corporate debt securities
Financial assets:
Fair Value	0	0
Level 1 | Money market funds
Financial assets:
Money market funds	82,649	73,975
Level 2
Financial assets:
SPA put/call	0
Marketable equity security	0	0
Total financial assets	222,005	284,578
Financial liabilities:
Contingent consideration payable		0
Success payment liabilities	0	0
Total financial liabilities	0	0
Level 2 | U.S. Treasury securities
Financial assets:
Fair Value	208,634	226,271
Level 2 | U.S. government agency securities
Financial assets:
Fair Value	5,591	36,815
Level 2 | Corporate debt securities
Financial assets:
Fair Value	7,780	21,492
Level 2 | Money market funds
Financial assets:
Money market funds	0	0
Level 3
Financial assets:
SPA put/call	3,745
Marketable equity security	0	0
Total financial assets	3,745	0
Financial liabilities:
Contingent consideration payable		7,600
Success payment liabilities	632	411
Total financial liabilities	632	8,011
Level 3 | U.S. Treasury securities
Financial assets:
Fair Value	0	0
Level 3 | U.S. government agency securities
Financial assets:
Fair Value	0	0
Level 3 | Corporate debt securities
Financial assets:
Fair Value	0	0
Level 3 | Money market funds
Financial assets:
Money market funds	$ 0	$ 0