In-License and Collaboration Agreements (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended
		Sep. 30, 2016	Apr. 30, 2025	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Description of Organization and Business Operations [Line Items]
Research and development	[1]			$ 39,802	$ 20,635
Redeemable convertible preferred stock purchase price				$ 0.0001		$ 0.0001
Series B Preferred Stock
Description of Organization and Business Operations [Line Items]
Shares issuable under the participation right			2,509,446
Leidos Biomedical Research, Inc. [Member]
Description of Organization and Business Operations [Line Items]
Contract With Customer Liability						$ 1,500
Upfront Fees				$ 1,800
Lawrence Livermore National Security, LLC [Member]
Description of Organization and Business Operations [Line Items]
License Maintenance Fees				100
Cash fees				200
Sublicensing Income				2,000
Maximum [Member]
Description of Organization and Business Operations [Line Items]
Royalty commitments amount				500
Minimum [Member]
Description of Organization and Business Operations [Line Items]
Royalty commitments amount				100
UCSF License [Member]
Description of Organization and Business Operations [Line Items]
Shares Purchase Percentage		10.00%
UCSF License [Member] | Series B Preferred Stock
Description of Organization and Business Operations [Line Items]
Shares issuable under the participation right		2,509,446
Redeemable convertible preferred stock purchase price		$ 8.8554
Leidos CRADA [Member]
Description of Organization and Business Operations [Line Items]
License Maintenance Fees				500
Leidos CRADA [Member] | Leidos Biomedical Research, Inc. [Member]
Description of Organization and Business Operations [Line Items]
Research and development				700	$ 1,000
Milestone Payment				500
Contract With Customer Liability				25,900
LLNS CRADA [Member]
Description of Organization and Business Operations [Line Items]
Fund Contribution				5,000
LLNS CRADA [Member] | Lawrence Livermore National Security, LLC [Member]
Description of Organization and Business Operations [Line Items]
Research and development				300
Contract With Customer Liability				$ 21,800

[1] Research and development expenses include related party amounts of $142 and $264 for the three months ended March 31, 2026 and 2025, respectively.