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Fair Value Measurements - Schedule of Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Assets:
Total	$ 744,989	$ 935,648
U.S. government treasuries
Assets:
Short-term marketable securities:	522,391	600,084
Long-term marketable securities:	40,308	58,545
Corporate debt securities
Assets:
Short-term marketable securities:	77,667	62,469
Long-term marketable securities:	23,477	39,777
Level 1
Assets:
Total	643,845	808,503
Level 1 | U.S. government treasuries
Assets:
Short-term marketable securities:	522,391	600,084
Long-term marketable securities:	40,308	58,545
Level 1 | Corporate debt securities
Assets:
Short-term marketable securities:	0	0
Long-term marketable securities:	0	0
Level 2
Assets:
Total	101,144	127,145
Level 2 | U.S. government treasuries
Assets:
Short-term marketable securities:	0	0
Long-term marketable securities:	0	0
Level 2 | Corporate debt securities
Assets:
Short-term marketable securities:	77,667	62,469
Long-term marketable securities:	23,477	39,777
Level 3
Assets:
Total	0	0
Level 3 | U.S. government treasuries
Assets:
Short-term marketable securities:	0	0
Long-term marketable securities:	0	0
Level 3 | Corporate debt securities
Assets:
Short-term marketable securities:	0	0
Long-term marketable securities:	0	0
Money market funds
Assets:
Cash equivalents:	81,146	149,874
Money market funds | Level 1
Assets:
Cash equivalents:	81,146	149,874
Money market funds | Level 2
Assets:
Cash equivalents:	0	0
Money market funds | Level 3
Assets:
Cash equivalents:	$ 0	0
Commercial paper
Assets:
Cash equivalents:		24,899
Commercial paper | Level 1
Assets:
Cash equivalents:		0
Commercial paper | Level 2
Assets:
Cash equivalents:		24,899
Commercial paper | Level 3
Assets:
Cash equivalents:		$ 0

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