Related Party Transactions - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2024	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Quarterly fee	$ 600	$ 1,300
Research and Development Expense [Member]
Related Party Transaction [Line Items]
Quarterly fee		600	$ 1,300
Adimab Assignment Agreement [Member] \| IPR&D Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transaction With Related Party		0	400
Adimab Assignment Agreement [Member] \| Research and Development Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transaction With Related Party		0	0
Adimab [Member]
Related Party Transaction [Line Items]
Due To Related Parties		700		$ 700
Due from Related Party		0		$ 0
Adimab Collaboration Agreement [Member] \| Research and Development Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transaction With Related Party		0	200
Quarterly fee		600	1,300
PHP Member
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transaction With Related Party			$ 1,500
Due from Related Party		0
Maximum [Member] \| Adimab Assignment Agreement [Member] \| Research and Development Expense [Member]
Related Party Transaction [Line Items]
Related Party Transaction Expenses From Transaction With Related Party		$ 100