Fair Value Measurements - Available-for-sale securities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Fair Value Measurements
Amortized Cost	$ 249,636	$ 30,993
Gross Unrealized Gains	192	33
Gross Unrealized Losses	(5)	(2)
Fair Value	249,823	31,024
Commercial paper
Fair Value Measurements
Amortized Cost	5,957	3,311
Gross Unrealized Gains	2	4
Fair Value	5,959	3,315
Corporate debt securities
Fair Value Measurements
Amortized Cost	45,740	8,589
Gross Unrealized Gains	28	12
Gross Unrealized Losses	(2)
Fair Value	45,766	8,601
Government securities
Fair Value Measurements
Amortized Cost	197,939	19,093
Gross Unrealized Gains	162	17
Gross Unrealized Losses	(3)	(2)
Fair Value	$ 198,098	$ 19,108

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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Amortized cost of 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 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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