Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current accrued expenses
Accrued payroll and other employee benefits	$ 16,554	$ 18,358
Accrued clinical trial related costs	11,684	12,344
Accrued other	12,286	11,710
Total current accrued expenses	$ 40,524	$ 42,412