Marketable securities - Summary of marketable securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Marketable securities, current:
Fair Value	$ 168,533	$ 127,091
Marketable securities, non-current:
Fair Value	40,975	28,008
Amortized Cost	209,888	155,226
Gross Unrealized Gains	41	151
Gross Unrealized Losses	(421)	(278)
Fair Value	209,508	155,099
Corporate debt securities
Marketable securities, current:
Amortized Cost	143,110	100,903
Gross Unrealized Gains	5	16
Gross Unrealized Losses	(268)	(221)
Fair Value	142,847	100,698
Marketable securities, non-current:
Amortized Cost	40,054	27,901
Gross Unrealized Gains	31	120
Gross Unrealized Losses	(109)	(14)
Fair Value	39,976	28,007
U.S. government debt securities
Marketable securities, current:
Amortized Cost	12,954	20,457
Gross Unrealized Gains	5	14
Gross Unrealized Losses	(27)	(43)
Fair Value	12,932	20,428
Marketable securities, non-current:
Amortized Cost	1,000
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	1,000
U.S. Treasury securities
Marketable securities, current:
Amortized Cost	12,770	5,965
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(17)	0
Fair Value	$ 12,753	$ 5,966