Fair Value Measurements - Available-for-sale securities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value Measurements
Amortized Cost	$ 218,475	$ 249,636
Gross Unrealized Gains	17	192
Gross Unrealized Losses	(171)	(5)
Fair Value	218,321	249,823
Commercial paper
Fair Value Measurements
Amortized Cost	4,957	5,957
Gross Unrealized Gains		2
Gross Unrealized Losses	(5)
Fair Value	4,952	5,959
Corporate debt securities
Fair Value Measurements
Amortized Cost	54,618	45,740
Gross Unrealized Gains	5	28
Gross Unrealized Losses	(71)	(2)
Fair Value	54,552	45,766
Government securities
Fair Value Measurements
Amortized Cost	158,900	197,939
Gross Unrealized Gains	12	162
Gross Unrealized Losses	(95)	(3)
Fair Value	$ 158,817	$ 198,098

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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