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Consolidated balance sheet components - Schedule of Cash, Cash Equivalents, and Marketable Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023
--- | --- | --- | ---
Cash and Cash Equivalents [Line Items] |  |  |
Cash and cash equivalents, Amortized Costs | $ 272,364 | $ 305,564 | $ 323,227
Cash and cash equivalents, Fair Value | 272,364 | 305,564 |
Marketable securities, Unrealized Gains | 3 | 76 |
Marketable securities, Unrealized Losses | (19) | 0 |
Total cash, cash equivalents, and marketable securities, Amortized Cost | 420,939 | 476,860 |
Total cash, cash equivalents, and marketable securities, Fair Value | 420,923 | 476,936 |
Unrealized loss position, fair value | 127,651 | 0 |
Cash |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Cash and cash equivalents, Amortized Costs | 37,683 | 38,872 |
Cash and cash equivalents, Fair Value | 37,683 | 38,872 |
Money market funds |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Cash and cash equivalents, Amortized Costs | 234,681 | 266,692 |
Cash and cash equivalents, Fair Value | 234,681 | 266,692 |
U.S. government securities |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Marketable securities, Amortized Cost | 148,575 | 171,296 |
Marketable securities, Unrealized Gains | 3 | 76 |
Marketable securities, Unrealized Losses | (19) | 0 |
Marketable securities, Fair Value | 148,559 | 171,372 |
Unrealized loss position, fair value | $ 127,651 | $ 0 |

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