Segment Reporting - Summary of Research and Development Expenses (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
External costs
Other clinical related expenses									$ 14,262	$ 7,320	$ 3,469
Preclinical activities related expenses									11,815	10,165	13,095
Expenses related to manufacturing of clinical and research material									7,262	13,237	12,619
Other external costs									10,948	5,528	2,693
Internal costs:
Personnel-related expenses (including stock-based compensation)									31,856	28,838	19,361
Facilities and other allocated expenses									8,104	8,680	5,506
Total research and development expenses	$ 25,240	$ 27,244	$ 31,825	$ 33,776	$ 30,866	$ 25,347	$ 21,938	$ 24,395	118,085	102,546	62,713
COVALENT - 101
External costs
Clinical research organization expenses									2,386	7,380	1,793
COVALENT - 102
External costs
Clinical research organization expenses									205	3,415	834
COVALENT - 103
External costs
Clinical research organization expenses									3,710	2,007
COVALENT - 111
External costs
Clinical research organization expenses									22,489	14,670	$ 3,343
COVALENT - 112
External costs
Clinical research organization expenses									$ 5,048	$ 1,306