Accrued expenses and other current liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accrued expenses and other current liabilities [Abstract]
Rebates, chargebacks, other customer fees and returns	$ 66,726	$ 29,128
Clinical accruals	22,459	25,371
Contract manufacturing	4,356	2,535
Commercial services	6,900	5,761
Employee related expenses	11,598	9,150
Other taxation and social security	1,807	1,122
Other Accrued Liabilities, Current	5,989	3,680
Total accrued expenses and other current liabilities	$ 119,835	$ 76,747