Related Party Transactions - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended
	Nov. 22, 2023 installment $ / shares shares	Mar. 31, 2026 USD ($) seat shares	Mar. 31, 2025 USD ($) shares
Related Party Transaction [Line Items]
Options granted to purchase (in shares) | shares		2,578,605	1,897,917
Stock-based compensation expense		$ 12,806	$ 8,859
Paragon Agreement | Related Party
Related Party Transaction [Line Items]
Amount of related party transaction		$ 100	100
Appoint Of Board Members
Related Party Transaction [Line Items]
Number of board seats held by related party | seat		2
Subsequent to Asset Acquisition | Related Party
Related Party Transaction [Line Items]
Amount of related party transaction		$ 100
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
Number of monthly installments | installment	36
Stock-based compensation expense		$ 300	$ 300
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%
Fairmount Funds Management LLC | Minimum | Paragon Agreement | Related Party
Related Party Transaction [Line Items]
Percentage of ownership by noncontrolling owner		5.00%
Percentage of ownership held in third party		5.00%