| Schedule of money market funds and marketable securities |
Cash, cash equivalents, and marketable securities included the following at March 31, 2024 and December 31, 2023: | | | | | | | | | | | | | | | | Amortized | | Unrealized | | Unrealized | | Fair | | | | Cost | | Gains | | Losses | | Value | | | | | (in thousands) | | As of March 31, 2024 | | | | | | | | | | | | | | Money market funds included in cash and cash equivalents | | $ | 49,444 | | $ | — | | $ | — | | $ | 49,444 | | Marketable securities: | | | | | | | | | | | | | | U.S. Treasury notes | | | 24,540 | | | — | | | (54) | | | 24,486 | | U.S. Government agency securities | | | 138,285 | | | 7 | | | (101) | | | 138,191 | | Corporate bonds | | | 89,207 | | | 11 | | | (235) | | | 88,983 | | Commercial paper | | | 4,829 | | | 1 | | | — | | | 4,830 | | Total money market funds and marketable securities | | $ | 306,305 | | $ | 19 | | $ | (390) | | $ | 305,934 | | As of December 31, 2023 | | | | | | | | | | | | | | Money market funds included in cash and cash equivalents | | $ | 65,589 | | | — | | | — | | $ | 65,589 | | Marketable securities: | | | | | | | | | | | | | | U.S. Treasury notes | | | 102,966 | | | 81 | | | (3) | | | 103,044 | | U.S. Government agency securities | | | 31,068 | | | 10 | | | (3) | | | 31,075 | | Corporate bonds | | | 23,975 | | | 2 | | | (7) | | | 23,970 | | Commercial paper | | | 3,985 | | | — | | | — | | | 3,985 | | Total money market funds and marketable securities | | $ | 227,583 | | $ | 93 | | $ | (13) | | $ | 227,663 | |
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| Reconciliation of cash, cash equivalents, and restricted cash |
| | | | | | | | | As of March 31, | | | 2024 | | 2023 | | | | (in thousands) | Cash and cash equivalents | | $ | 143,078 | | $ | 268,321 | Restricted cash included in deposits and other non-current assets | | | 2,875 | | | 1,515 | Total cash, cash equivalents, and restricted cash | | $ | 145,953 | | $ | 269,836 |
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