Marketable securities - Summary of marketable securities in unrealized loss position (Details) $ in Thousands	Dec. 31, 2025 USD ($) security	Dec. 31, 2024 USD ($) security
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Number of Positions [Abstract]
Total marketable securities in unrealized loss position, Number of securities | security	68	44
Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract]
Total marketable securities in unrealized loss position	$ 111,930	$ 67,414
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Total marketable securities in unrealized loss position	$ (59)	$ (164)
Corporate debt securities
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Number of Positions [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months, Number of securities | security	46	41
Marketable securities in continuous unrealized loss position for greater than 12 months, Number of securities | security	3
Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months	$ 80,929	$ 62,447
Marketable securities in continuous unrealized loss position for greater than 12 months	3,746
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months	(50)	$ (163)
Marketable securities in continuous unrealized loss position for greater than 12 months	$ (1)
U.S. government debt securities
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Number of Positions [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months, Number of securities | security	14	1
Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months	$ 19,753	$ 1,986
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months	$ (5)	$ 0
U.S. Treasury securities
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Number of Positions [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months, Number of securities | security	5	2
Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months	$ 7,502	$ 2,981
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Marketable securities in continuous unrealized loss position for less than 12 months	$ (3)	$ (1)