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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 |

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