Accrued Expenses and Other Current Liabilities - Components of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Accrued Expenses and Other Current Liabilities [Line Items]
Total accrued expenses and other current liabilities	$ 7,125	$ 10,443
External Research and Development Expenses
Accrued Expenses and Other Current Liabilities [Line Items]
Total accrued expenses and other current liabilities	3,893	6,164
Personnel-related Expenses
Accrued Expenses and Other Current Liabilities [Line Items]
Total accrued expenses and other current liabilities	2,520	2,822
Professional Fees
Accrued Expenses and Other Current Liabilities [Line Items]
Total accrued expenses and other current liabilities	581	341
Deferred Offering Costs
Accrued Expenses and Other Current Liabilities [Line Items]
Total accrued expenses and other current liabilities		1,017
Other
Accrued Expenses and Other Current Liabilities [Line Items]
Total accrued expenses and other current liabilities	$ 131	$ 99