Segment Information - Schedule of Significant Expense Categories Included within Net Loss Presented on the Company's Consolidated Statements of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Schedule of Significant Expense Categories Included within Net Loss Presented on the Company's Consolidated Statements of Operations and Comprehensive Loss [Line Items]
Personnel-related costs	$ 8,431	$ 5,880
Facilities and overhead costs	3,611	3,082
Program costs
Total program costs	9,760	6,110
Total operating expense	21,802	15,072
Other income, net	561	1,344
Net loss	(21,241)	(13,728)
Briquilimab platform [Member]
Program costs
Total program costs	1,957	1,438
CMO [Member]
Program costs
Total program costs	2,138	1,133
CSU [Member]
Program costs
Total program costs	2,746	2,135
Asthma [Member]
Program costs
Total program costs	1,393
CIndU [Member]
Program costs
Total program costs	885	425
SCID [Member]
Program costs
Total program costs	523	404
MDS/AML [Member]
Program costs
Total program costs	$ 118	$ 575