Accrued expenses and other current liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Payables and Accruals [Abstract]
Accrued CMO and CRO costs	$ 19,665	$ 24,824
Accrued employee compensation	16,669	19,972
Accrued rebates	12,942	5,365
Accrued goods and services	4,295	8,392
Accrued professional fees	3,733	2,531
Accrued refund liability	0	5,600
Other	8,585	6,504
Total accrued expenses and other current liabilities	$ 65,889	$ 73,188