Marketable securities - Summary of marketable securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Marketable securities, current:
Fair Value	$ 127,091	$ 246,399
Marketable securities, non-current
Fair Value	28,008	60,962
Amortized Cost	155,226	311,498
Gross Unrealized Gains	151	4
Gross Unrealized Losses	(278)	(4,141)
Fair Value	155,099	307,361
Corporate debt securities
Marketable securities, current:
Amortized Cost	100,903	183,270
Gross Unrealized Gains	16	2
Gross Unrealized Losses	(221)	(2,068)
Fair Value	100,698	181,204
Marketable securities, non-current
Amortized Cost	27,901	53,592
Gross Unrealized Gains	120	2
Gross Unrealized Losses	(14)	(471)
Fair Value	28,007	53,123
Fair Value	128,705	234,327
U.S. government debt securities
Marketable securities, current:
Amortized Cost	20,457	40,986
Gross Unrealized Gains	14	0
Gross Unrealized Losses	(43)	(1,184)
Fair Value	20,428	39,802
Marketable securities, non-current
Amortized Cost		8,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(161)
Fair Value		7,839
Fair Value	20,428	47,641
U.S. Treasury securities
Marketable securities, current:
Amortized Cost	5,965	25,650
Gross Unrealized Gains	1	0
Gross Unrealized Losses	0	(257)
Fair Value	5,966	25,393
Marketable securities, non-current
Fair Value	$ 5,966	$ 25,393