Kolltan Acquisition (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Jul. 15, 2022	Nov. 29, 2016	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Kolltan Acquisition
Litigation settlement related loss				$ (12,500)	$ (15,000)
Kolltan
Kolltan Acquisition
Shares issued as part of consideration (in shares)		1,217,200
Execution of the settlement agreement	$ 15,000
Milestone payments made in cash upon Successful Completion of a Phase 2 Clinical Trial	12,500		$ 12,500
Milestone payment payable upon regulatory approval of a Surviving Company Product	52,500
Obligation to make applicable milestone payment			12,500	$ 12,500
Litigation settlement related loss			$ 12,500
Kolltan | Specified development, regulatory approvals or sales-based milestones
Kolltan Acquisition
Potential milestone payments		$ 172,500
Milestone payment payable upon regulatory approval of a Surviving Company Product	$ 172,500