Consolidated balance sheet components - Summary of Cash, Cash Equivalents, and Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Cash and Cash Equivalents [Line Items]
Amortized Cost	$ 465,525	$ 465,584
Unrealized Gains	21	34
Unrealized Losses	(32)	(246)
Fair Value	465,514	465,372
Unrealized loss position, fair value	38,765	84,017
Cash and Cash Equivalents
Cash and Cash Equivalents [Line Items]
Amortized Cost	323,227	313,684
Unrealized Gains	0	4
Unrealized Losses	0	(3)
Fair Value	323,227	313,685
Unrealized loss position, fair value	0	24,960
Cash and Cash Equivalents | Cash
Cash and Cash Equivalents [Line Items]
Amortized Cost	41,508	134,408
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	41,508	134,408
Cash and Cash Equivalents | Money market funds
Cash and Cash Equivalents [Line Items]
Amortized Cost	281,719	130,377
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	281,719	130,377
Cash and Cash Equivalents | U.S. government securities
Cash and Cash Equivalents [Line Items]
Amortized Cost		48,899
Unrealized Gains		4
Unrealized Losses		(3)
Fair Value		48,900
Marketable Securities | U.S. government securities
Cash and Cash Equivalents [Line Items]
Amortized Cost	142,298	151,900
Unrealized Gains	21	30
Unrealized Losses	(32)	(243)
Fair Value	142,287	151,687
Unrealized loss position, fair value	$ 38,765	$ 59,057