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Investments and Fair Value of Financial Instruments - Gains and Losses of Marketable Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 149,470	$ 15,744
Gross Unrealized Gains	1	3
Gross Unrealized Losses	(204)	(20)
Allowance for Credit Loss	0	0
Fair Value	149,267	15,727
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	23,427
Gross Unrealized Gains	0
Gross Unrealized Losses	(6)
Allowance for Credit Loss	0
Fair Value	23,421
Certificate of Deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	1,002
Gross Unrealized Gains	0
Gross Unrealized Losses	(1)
Allowance for Credit Loss	0
Fair Value	1,001
U.S. treasury
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,802	15,744
Gross Unrealized Gains	0	3
Gross Unrealized Losses	(2)	(20)
Allowance for Credit Loss	0	0
Fair Value	2,800	15,727
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	122,239
Gross Unrealized Gains	1
Gross Unrealized Losses	(195)
Allowance for Credit Loss	0
Fair Value	122,045
Non-marketable investment
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,000	10,000
Gross Unrealized Gains	2,850	2,850
Gross Unrealized Losses	0	0
Allowance for Credit Loss	0	0
Fair Value	12,850	12,850
Marketable And Non-Marketable Investments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	159,470	25,744
Gross Unrealized Gains	2,851	2,853
Gross Unrealized Losses	(204)	(20)
Allowance for Credit Loss	0	0
Fair Value	$ 162,117	$ 28,577

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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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