Share-based compensation - Summary of the activity for stock options issued under the Company's Plans (Details) - Stock Option Plan - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Shares
Outstanding at beginning of period	2,390,150	2,604,023	5,329,515
-Cancelled	(48,268)	(11,781)	(133,257)
-Exercised	(296,973)	(583,273)	(3,076,489)
-Granted	602,526	381,181	484,254
Outstanding at end of period	2,647,435	2,390,150	2,604,023
Weighted Average Exercise Price
Outstanding at beginning of period	$ 1.51	$ 1.03	$ 1.06
-Cancelled	5.67	3.75	2.02
-Exercised	2.68	1.15	1.16
-Granted	10.02	4.33	1.82
Outstanding at end of period	$ 3.31	$ 1.51	$ 1.03