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Short-term Investments (Tables) | 3 Months Ended
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Mar. 31, 2024
Investments [Abstract] |
Schedule of Short-term Investments | The amortized cost, unrealized gain (loss), and estimated fair value of the Company's short-term investments consisted of the following:
| March 31, 2024
| Amortized Cost |  | Unrealized Gain |  | Unrealized Loss |  | Estimated Fair Value
Short-term Investments |  |  |  |  |  |  |
U.S. treasury securities | $ | 215,265 |  |  | $ | 17 |  |  | $ | (368) |  |  | $ | 214,914 |
Asset-backed securities | 10,440 |  |  | — |  |  | (15) |  |  | 10,425 |
Corporate debt securities | 2,989 |  |  | — |  |  | (4) |  |  | 2,985 |
Total short-term investments | $ | 228,694 |  |  | $ | 17 |  |  | $ | (387) |  |  | $ | 228,324 |
| December 31, 2023
| Amortized Cost |  | Unrealized Gain |  | Unrealized Loss |  | Estimated Fair Value
Short-term investments |  |  |  |  |  |  |
U.S. treasury securities | $ | 239,297 |  |  | $ | 970 |  |  | $ | (11) |  |  | $ | 240,256 |
U.S. agency securities | 15,000 |  |  | — |  |  | (7) |  |  | 14,993 |
Asset-backed securities | 10,438 |  |  | 62 |  |  | — |  |  | 10,500 |
Corporate debt securities | 2,981 |  |  | — |  |  | (6) |  |  | 2,975 |
Total short-term investments | $ | 267,716 |  |  | $ | 1,032 |  |  | $ | (24) |  |  | $ | 268,724 |
Schedule of Available-for-sale Securities Reconciliation | The following table summarizes the stated maturities of the Company’s short-term investments:
| March 31, 2024 |  | December 31, 2023
| Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Due within one year | $ | 72,508 |  |  | $ | 72,482 |  |  | $ | 90,438 |  |  | $ | 90,533 |
Due after one year through four years | 156,186 |  |  | 155,842 |  |  | 177,278 |  |  | 178,191 |
Total | $ | 228,694 |  |  | $ | 228,324 |  |  | $ | 267,716 |  |  | $ | 268,724 |

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