License Agreements (Details) - USD ($) $ in Millions	1 Months Ended			6 Months Ended
	Jun. 30, 2025	Feb. 28, 2023	Aug. 31, 2017	Dec. 31, 2025
XOMA (US) LLC | Xoma License Agreement
License Agreements
Milestone Payments				$ 12.0
XOMA (US) LLC | Xoma License Agreement | After Clinical and Regulatory Milestones | Maximum
License Agreements
Maximum additional milestone payments				185.0
XOMA (US) LLC | US Clinical Trial Rz358 (ersodetug) | Xoma License Agreement | Upon Regulatory Approval
License Agreements
Milestone closing payment				25.0
XOMA (US) LLC | Phase 3 Clinical Trial RZ 402 | Xoma License Agreement
License Agreements
Milestone closing payment	$ 5.0
ActiveSite Pharmaceuticals, Inc | Clinical Trial Rz 402 | Development And License Agreement
License Agreements
Milestone Payments				4.0
ActiveSite Pharmaceuticals, Inc | Clinical Trial Rz 402 | Development And License Agreement | Maximum
License Agreements
Maximum additional milestone payments				42.5
ActiveSite Pharmaceuticals, Inc | Clinical Trial Rz 402 | Development And License Agreement | Scenario, Plan
License Agreements
Royalties percentage			2.00%
ActiveSite Pharmaceuticals, Inc | Phase 2 Clinical Trial RZ402 | Development And License Agreement
License Agreements
Milestone closing payment		$ 3.0
ActiveSite Pharmaceuticals, Inc | Phase 3 Clinical Trial RZ 402 | Development And License Agreement | Scenario, Plan
License Agreements
Milestone closing payment				$ 5.0