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Reimbursable research costs.

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Related Party Transaction, Number Of Board Seats

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Research initiation fees.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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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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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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

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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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Related Party Transactions - Narrative (Details) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Nov. 22, 2023 installment $ / shares shares	Jun. 22, 2023 USD ($)	May 31, 2023 USD ($)	Dec. 31, 2024 USD ($) seat shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2024
Related Party Transaction [Line Items]
Stock-based compensation				$ 44,833	$ 25,675	$ 7,111
Options granted (in shares) \| shares				2,521,853
Private Placement
Related Party Transaction [Line Items]
Proceeds from issuance of private placement, net				$ 180,000
Related Party
Related Party Transaction [Line Items]
Development cost reduction percentage							50.00%
Related party transaction amount				41,200	48,500	0
Stock-based compensation				$ 15,600	11,400	0
Appoint Of Board Members
Related Party Transaction [Line Items]
Number of board seats held by related party \| seat				2
Paragon Agreement
Related Party Transaction [Line Items]
Related party expenses incurred prior to asset acquisition		$ 19,000
Related party expenses unpaid prior to asset acquisition		19,000
Paragon Agreement \| Related Party
Related Party Transaction [Line Items]
Research initiation fees		3,000	$ 3,000
Reimbursable research costs		$ 16,000
Related party transaction amount				$ 31,800	39,500	0
Stock-based compensation				14,500	11,400
Reduction in research and development expense				$ 5,900
Common stock, shares outstanding, percentage available to purchase on a diluted basis				1.00%
Paragon Agreement, Subsequent to Asset Acquisition \| Related Party
Related Party Transaction [Line Items]
Related party transaction amount				$ 29,800	48,500
Sale Of Stock, December 2023 PIPE \| Related Party
Related Party Transaction [Line Items]
Proceeds from issuance of private placement, net				10,000
Consulting Agreement \| Related Party
Related Party Transaction [Line Items]
Options granted (in shares) \| shares	477,000
Exercise price (in dollars per share) \| $ / shares	$ 10.39
Number of monthly installments \| installment	48
Stock-based compensation expense				$ 1,100	$ 100	$ 0
Consulting Agreement \| Related Party \| Share-Based Payment Arrangement, Tranche One
Related Party Transaction [Line Items]
Vesting percentage	25.00%
Awards granted, vesting period	1 year
Paragon Therapeutics Inc \| Maximum \| Ownership Interest \| Related Party
Related Party Transaction [Line Items]
Percentage of ownership by noncontrolling owner				5.00%
Fairmount Funds Management LLC \| Minimum \| Ownership Interest \| Related Party
Related Party Transaction [Line Items]
Percentage of ownership by noncontrolling owner				5.00%
Percentage of ownership held in third party				5.00%