Fair Value Measurements - Schedule of Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Assets:
Total	$ 935,648	$ 1,143,472
U.S. government treasuries
Assets:
Short-term marketable securities, fair value	600,084	629,400
Long-term marketable securities, fair value	58,545	334,892
Corporate debt securities
Assets:
Short-term marketable securities, fair value	62,469	21,399
Long-term marketable securities, fair value	39,777	24,481
Commercial paper
Assets:
Short-term marketable securities, fair value		6,572
Level 1
Assets:
Total	808,503	1,091,020
Level 1 \| U.S. government treasuries
Assets:
Short-term marketable securities, fair value	600,084	629,400
Long-term marketable securities, fair value	58,545	334,892
Level 1 \| Corporate debt securities
Assets:
Short-term marketable securities, fair value	0	0
Long-term marketable securities, fair value	0	0
Level 1 \| Commercial paper
Assets:
Short-term marketable securities, fair value		0
Level 2
Assets:
Total	127,145	52,452
Level 2 \| U.S. government treasuries
Assets:
Short-term marketable securities, fair value	0	0
Long-term marketable securities, fair value	0	0
Level 2 \| Corporate debt securities
Assets:
Short-term marketable securities, fair value	62,469	21,399
Long-term marketable securities, fair value	39,777	24,481
Level 2 \| Commercial paper
Assets:
Short-term marketable securities, fair value		6,572
Level 3
Assets:
Total	0	0
Level 3 \| U.S. government treasuries
Assets:
Short-term marketable securities, fair value	0	0
Long-term marketable securities, fair value	0	0
Level 3 \| Corporate debt securities
Assets:
Short-term marketable securities, fair value	0	0
Long-term marketable securities, fair value	0	0
Level 3 \| Commercial paper
Assets:
Short-term marketable securities, fair value		0
Money market funds
Assets:
Cash equivalents	149,874	126,728
Money market funds \| Level 1
Assets:
Cash equivalents	149,874	126,728
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

Fair value portion of asset recognized for present right to economic benefit.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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