Fair Value Measurements and Fair Value of Financial Instruments - Fair value (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Fair value on a recurring basis
Cash equivalents fair value	$ 165,400	$ 34,700
Marketable securities	91,700	78,100
Unrealized Gains	25	126
Unrealized Losses	$ (102)	(6)
Minimum
Fair value on a recurring basis
Expected maturity term	15 days
Maximum
Fair value on a recurring basis
Expected maturity term	19 months 9 days
Amortized cost
Fair value on a recurring basis
Cash equivalents fair value	$ 165,383	34,718
Total assets fair value	257,128	112,701
Amortized cost \| Level 1 \| Money market funds
Fair value on a recurring basis
Cash equivalents fair value	165,383	33,219
Amortized cost \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Cash equivalents fair value		1,499
Short-term
Fair value on a recurring basis
Unrealized Gains	25	126
Unrealized Losses	(69)	(6)
Short-term \| Level 2 \| Commercial paper
Fair value on a recurring basis
Unrealized Gains		14
Unrealized Losses	(20)	(4)
Short-term \| Level 2 \| Corporate debt securities
Fair value on a recurring basis
Unrealized Gains		3
Unrealized Losses	(2)
Short-term \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Unrealized Gains	6	92
Unrealized Losses	(30)
Short-term \| Level 2 \| Agency securities
Fair value on a recurring basis
Unrealized Gains		1
Unrealized Losses	(5)
Short-term \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Unrealized Gains	19	16
Unrealized Losses	(12)	(2)
Short-term \| Amortized cost
Fair value on a recurring basis
Marketable securities	74,276	77,983
Short-term \| Amortized cost \| Level 2 \| Commercial paper
Fair value on a recurring basis
Marketable securities	20,481	18,061
Short-term \| Amortized cost \| Level 2 \| Corporate debt securities
Fair value on a recurring basis
Marketable securities	2,980	1,500
Short-term \| Amortized cost \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Marketable securities	40,963	50,340
Short-term \| Amortized cost \| Level 2 \| Agency securities
Fair value on a recurring basis
Marketable securities	3,797	2,033
Short-term \| Amortized cost \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Marketable securities	6,055	6,049
Long-term
Fair value on a recurring basis
Unrealized Losses	(33)
Long-term \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Unrealized Losses	(33)
Long-term \| Amortized cost
Fair value on a recurring basis
Marketable securities	17,469
Long-term \| Amortized cost \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Marketable securities	17,469
Recurring \| Estimated Fair Value
Fair value on a recurring basis
Cash equivalents fair value	165,383	34,718
Total assets fair value	257,051	112,821
Recurring \| Estimated Fair Value \| Level 1 \| Money market funds
Fair value on a recurring basis
Cash equivalents fair value	165,383	33,219
Recurring \| Estimated Fair Value \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Cash equivalents fair value		1,499
Recurring \| Short-term \| Estimated Fair Value
Fair value on a recurring basis
Marketable securities	74,232	78,103
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| Commercial paper
Fair value on a recurring basis
Marketable securities	20,461	18,071
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| Corporate debt securities
Fair value on a recurring basis
Marketable securities	2,978	1,503
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Marketable securities	40,939	50,432
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| Agency securities
Fair value on a recurring basis
Marketable securities	3,792	2,034
Recurring \| Short-term \| Estimated Fair Value \| Level 2 \| Asset-backed securities
Fair value on a recurring basis
Marketable securities	6,062	$ 6,063
Recurring \| Long-term \| Estimated Fair Value
Fair value on a recurring basis
Marketable securities	17,436
Recurring \| Long-term \| Estimated Fair Value \| Level 2 \| U.S. Treasury securities
Fair value on a recurring basis
Marketable securities	$ 17,436

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

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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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Period between issuance and maturity of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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