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Development Cost Reduction, Percentage

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Minority interest ownership percentage by noncontrolling owners held in third party.

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Related Party Transaction, Number Of Board Seats

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Research and Development Expense, Increase (Decrease)

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Amount of transactions with related party during the financial reporting period.

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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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Amount of noncash expense for share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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Gross number of share options (or share units) granted during the period.

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Percentage of vesting of award under share-based payment arrangement.

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Related Party Transactions - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Nov. 22, 2023 $ / shares shares	Sep. 30, 2025 USD ($) seat shares	Sep. 30, 2024 USD ($) shares	Sep. 30, 2025 USD ($) seat shares	Sep. 30, 2024 USD ($) shares	Apr. 01, 2024	Mar. 31, 2024
Related Party Transaction [Line Items]
Stock-based compensation expense			$ 13,100	$ 27,803	$ 35,617
Options granted to purchase (in shares) \| shares		213,900	425,500	2,539,617	1,857,853
Stock-based compensation expense		$ 9,566	$ 13,100	$ 27,803	$ 35,617
Parapyre Option Obligation
Related Party Transaction [Line Items]
Stock-based compensation expense			6,100		13,000
Related Party
Related Party Transaction [Line Items]
Development cost reduction (as percent)						50.00%
Development cost reimbursement (as percent)							50.00%
Stock-based compensation expense		300	6,400	800	13,800
Paragon Agreement \| Related Party
Related Party Transaction [Line Items]
Amount of related party transaction		$ 0	1,200	$ 200	30,700
Reduction in research and development expense					5,900
Common stock, shares outstanding, percentage available to purchase on a diluted basis		1.00%		1.00%
Appoint Of Board Members
Related Party Transaction [Line Items]
Number of board seats held by related party \| seat		2		2
Subsequent to Asset Acquisition \| Related Party
Related Party Transaction [Line Items]
Amount of related party transaction		$ 0	7,400	$ 100	28,300
Consulting Agreement \| Related Party
Related Party Transaction [Line Items]
Options granted to purchase (in shares) \| shares	477,000
Exercise price (in dollars per share) \| $ / shares	$ 10.39
Vest period grant date (in years)	36 months
Stock-based compensation expense		$ 300	$ 300	$ 800	$ 800
Consulting Agreement \| Related Party \| Share-Based Payment Arrangement, Tranche One
Related Party Transaction [Line Items]
Vesting percentage	25.00%
Vest period grant date (in years)	1 year
Paragon Therapeutics Inc \| Maximum \| Paragon Agreement \| Related Party
Related Party Transaction [Line Items]
Percentage of ownership by noncontrolling owner		5.00%		5.00%
Fairmount Funds Management LLC \| Minimum \| Paragon Agreement \| Related Party
Related Party Transaction [Line Items]
Percentage of ownership by noncontrolling owner		5.00%		5.00%
Percentage of ownership held in third party		5.00%		5.00%