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Cash Equivalents and Marketable Securities (Tables) | 6 Months Ended
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Jun. 30, 2023
Cash and Cash Equivalents [Abstract] |
Schedule of Fair Value and Amortized Cost of Cash Equivalents | The fair value and amortized cost of cash equivalents and marketable securities by major security type are as follows (in thousands):
| June 30, 2023
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Money market funds | $ | 116,970 |  |  | $ | — |  |  | $ | — |  |  | $ | 116,970 |
U.S. Treasury securities | 292,610 |  |  | 31 |  |  | (1,352) |  |  | 291,289 |
U.S. government agency securities | 95,331 |  |  | — |  |  | (820) |  |  | 94,511 |
Corporate debt securities | 106,706 |  |  | — |  |  | (238) |  |  | 106,468 |
Total cash equivalents and marketable securities | $ | 611,617 |  |  | $ | 31 |  |  | $ | (2,410) |  |  | $ | 609,238 |
Classified as: | Fair Value
Cash equivalents | $ | 200,910 |
Marketable securities | 371,376 |
Marketable securities, non-current | 36,952 |
Total cash equivalents and marketable securities | $ | 609,238 |
| December 31, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Money market funds | $ | 67,970 |  |  | $ | — |  |  | $ | — |  |  | $ | 67,970 |
U.S. Treasury securities | 277,056 |  |  | — |  |  | (5,257) |  |  | 271,799 |
U.S. government agency securities | 135,460 |  |  | 1 |  |  | (1,416) |  |  | 134,045 |
Corporate debt securities | 221,608 |  |  | 3 |  |  | (930) |  |  | 220,681 |
Total cash equivalents and marketable securities | $ | 702,094 |  |  | $ | 4 |  |  | $ | (7,603) |  |  | $ | 694,495 |
Classified as: | Fair Value
Cash equivalents | $ | 107,780 |
Marketable securities | 516,598 |
Marketable securities, non-current | 70,117 |
Total cash equivalents and marketable securities | $ | 694,495 |
Schedule of Fair Value and Amortized Cost of Marketable Securities | The fair value and amortized cost of cash equivalents and marketable securities by major security type are as follows (in thousands):
| June 30, 2023
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Money market funds | $ | 116,970 |  |  | $ | — |  |  | $ | — |  |  | $ | 116,970 |
U.S. Treasury securities | 292,610 |  |  | 31 |  |  | (1,352) |  |  | 291,289 |
U.S. government agency securities | 95,331 |  |  | — |  |  | (820) |  |  | 94,511 |
Corporate debt securities | 106,706 |  |  | — |  |  | (238) |  |  | 106,468 |
Total cash equivalents and marketable securities | $ | 611,617 |  |  | $ | 31 |  |  | $ | (2,410) |  |  | $ | 609,238 |
Classified as: | Fair Value
Cash equivalents | $ | 200,910 |
Marketable securities | 371,376 |
Marketable securities, non-current | 36,952 |
Total cash equivalents and marketable securities | $ | 609,238 |
| December 31, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Money market funds | $ | 67,970 |  |  | $ | — |  |  | $ | — |  |  | $ | 67,970 |
U.S. Treasury securities | 277,056 |  |  | — |  |  | (5,257) |  |  | 271,799 |
U.S. government agency securities | 135,460 |  |  | 1 |  |  | (1,416) |  |  | 134,045 |
Corporate debt securities | 221,608 |  |  | 3 |  |  | (930) |  |  | 220,681 |
Total cash equivalents and marketable securities | $ | 702,094 |  |  | $ | 4 |  |  | $ | (7,603) |  |  | $ | 694,495 |
Classified as: | Fair Value
Cash equivalents | $ | 107,780 |
Marketable securities | 516,598 |
Marketable securities, non-current | 70,117 |
Total cash equivalents and marketable securities | $ | 694,495 |

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