Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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+ Details

- Definition

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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+ Details

Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2026	Sep. 30, 2025	Mar. 31, 2026
Intangible Asset, Finite-Lived [Line Items]
Intangible assets, finite-lived, net	$ 34,500		$ 34,500	$ 34,500
Intangible asset amortization	750	$ 0		1,500	$ 0
Intangible asset accumulated amortization	$ 1,500		1,500	1,500
Collaborative Arrangement With F-Star And Acquisition Of F-Star Gamma
Intangible Asset, Finite-Lived [Line Items]
Intangible assets, finite-lived, net						$ 36,000
Asset acquisition, milestone payment			$ 36,000
Contingent payments upon achievement of milestones				174,000
Collaborative Arrangement With F-Star And Acquisition Of F-Star Gamma \| Regulatory
Intangible Asset, Finite-Lived [Line Items]
Contingent payments upon achievement of milestones				24,000
Collaborative Arrangement With F-Star And Acquisition Of F-Star Gamma \| Commercial
Intangible Asset, Finite-Lived [Line Items]
Contingent payments upon achievement of milestones				$ 150,000