Marketable securities - Summary of marketable securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Marketable securities, current:
Fair Value	$ 190,984	$ 127,091
Marketable securities, non-current:
Fair Value	31,637	28,008
Amortized Cost	223,061	155,226
Gross Unrealized Gains	8	151
Gross Unrealized Losses	(448)	(278)
Fair Value	222,621	155,099
Corporate debt securities
Marketable securities, current:
Amortized Cost	151,683	100,903
Gross Unrealized Gains	1	16
Gross Unrealized Losses	(330)	(221)
Fair Value	151,354	100,698
Marketable securities, non-current:
Amortized Cost	29,360	27,901
Gross Unrealized Gains	7	120
Gross Unrealized Losses	(77)	(14)
Fair Value	29,290	28,007
U.S. Treasury securities
Marketable securities, current:
Amortized Cost	27,739	5,965
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(15)	0
Fair Value	27,724	5,966
U.S. government debt securities
Marketable securities, current:
Amortized Cost	11,929	20,457
Gross Unrealized Gains	0	14
Gross Unrealized Losses	(23)	(43)
Fair Value	11,906	$ 20,428
Marketable securities, non-current:
Amortized Cost	2,350
Gross Unrealized Gains	0
Gross Unrealized Losses	(3)
Fair Value	$ 2,347