Investments and Fair Value Measurements - Fair Value to Amortized Cost - Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss
Amortized cost	$ 131,539	$ 239,987
Gross unrealized gains	2	66
Gross unrealized losses	(64)	(5)
Estimated fair value	131,477	240,048
US Treasury and Government
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss
Amortized cost	12,838	130,602
Gross unrealized gains	1	43
Gross unrealized losses	(5)	(1)
Estimated fair value	$ 12,834	$ 130,644
Fair Value by Fair Value Hierarchy Level, Extensible Enumeration
Debt Securities, Available-for-Sale, Fair Value by Fair Value Hierarchy Level	us-gaap:FairValueInputsLevel1Member	us-gaap:FairValueInputsLevel1Member
Corporate Note Securities
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss
Amortized cost	$ 37,757	$ 37,690
Gross unrealized gains		15
Gross unrealized losses	(40)	(1)
Estimated fair value	$ 37,717	$ 37,704
Fair Value by Fair Value Hierarchy Level, Extensible Enumeration
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Commercial Paper
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss
Amortized cost	$ 80,944	$ 71,695
Gross unrealized gains	1	8
Gross unrealized losses	(19)	(3)
Estimated fair value	$ 80,926	$ 71,700
Fair Value by Fair Value Hierarchy Level, Extensible Enumeration
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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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