Marketable securities - Summary of marketable securities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Marketable securities, current:
Fair Value	$ 174,397	$ 173,934
Marketable securities, non-current:
Fair Value	32,600	48,563
Amortized Cost	207,319	222,447
Gross Unrealized Gains	16	109
Gross Unrealized Losses	(338)	(59)
Fair Value	206,997	222,497
Corporate debt securities
Marketable securities, current:
Amortized Cost	135,528	131,038
Gross Unrealized Gains	9	50
Gross Unrealized Losses	(189)	(37)
Fair Value	135,348	131,051
Marketable securities, non-current:
Amortized Cost	31,752	45,544
Gross Unrealized Gains	1	33
Gross Unrealized Losses	(125)	(14)
Fair Value	31,628	45,563
U.S. government debt securities
Marketable securities, current:
Amortized Cost	20,090	14,756
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(20)	(4)
Fair Value	20,070	14,752
Marketable securities, non-current:
Amortized Cost	975	2,002
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(3)	(1)
Fair Value	972	2,001
U.S. Treasury securities
Marketable securities, current:
Amortized Cost	18,974	28,107
Gross Unrealized Gains	6	26
Gross Unrealized Losses	(1)	(2)
Fair Value	$ 18,979	28,131
Marketable securities, non-current:
Amortized Cost		1,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(1)
Fair Value		$ 999