Fair value of financial instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Total Financial Assets	$ 312,986	$ 306,097
Money market funds
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash equivalents - money market funds	312,986	306,097
Level 1
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Total Financial Assets	312,986	306,097
Level 1 | Money market funds
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Cash equivalents - money market funds	$ 312,986	$ 306,097