Income taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Beginning Balance	$ 1,968	$ 1,011
Gross increases - tax positions in prior period	161	11
Gross increase - current-period tax positions	1,473	946
Ending Balance	$ 3,602	$ 1,968