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v3.23.3

Marketable Securities - (Tables) | 9 Months Ended
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Sep. 30, 2023
Marketable Securities [Abstract] |
Schedule of Marketable Securities by Category | At September 30, 2023 and December 31, 2022, marketable securities are categorized as follows:
|  | Amortized Cost |  |  | Gross Unrealized Holding Gains |  |  | Gross Unrealized Holding Losses |  |  | Fair Value |
September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |
Government notes and bonds |  | $ | 181,618 |  |  | $ | — |  |  | $ | 1,180 |  |  | $ | 180,438 |
Asset-backed securities |  |  | 309 |  |  |  | — |  |  |  | 1 |  |  |  | 308 |
Certificates of deposit |  |  | 58,175 |  |  |  | 15 |  |  |  | 24 |  |  |  | 58,166 |
Commercial paper |  |  | 110,163 |  |  |  | 3 |  |  |  | 47 |  |  |  | 110,119 |
Corporate bonds |  |  | 74,544 |  |  |  | 3 |  |  |  | 499 |  |  |  | 74,048 |
Total marketable securities |  | $ | 424,809 |  |  | $ | 21 |  |  | $ | 1,751 |  |  | $ | 423,079 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |
Government notes and bonds |  | $ | 181,196 |  |  | $ | 27 |  |  | $ | 2,355 |  |  | $ | 178,868 |
Asset-backed securities |  |  | 1,555 |  |  |  | — |  |  |  | 21 |  |  |  | 1,534 |
Certificates of deposit |  |  | 52,190 |  |  |  | 24 |  |  |  | 118 |  |  |  | 52,095 |
Commercial paper |  |  | 80,199 |  |  |  | 16 |  |  |  | 136 |  |  |  | 80,079 |
Corporate bonds |  |  | 60,334 |  |  |  | 4 |  |  |  | 1,003 |  |  |  | 59,335 |
Total marketable securities |  | $ | 375,474 |  |  | $ | 71 |  |  | $ | 3,633 |  |  | $ | 371,912 |
Schedule of Amortized Cost and Estimated Fair Value of Marketable Securities Classified by Maturity Date | The amortized cost and estimated fair value of marketable securities classified by the maturity date listed on the security, regardless of the Condensed Consolidated Balance Sheets classification, is as follows at September 30, 2023 and December 31, 2022:
|  | September 30, 2023 |  |  | December 31, 2022 |
|  | Amortized Cost |  |  | Fair Value |  |  | Amortized Cost |  |  | Fair Value |
Due within one year |  | $ | 308,493 |  |  | $ | 307,462 |  |  | $ | 311,934 |  |  | $ | 309,385 |
Due after one through five years |  |  | 116,316 |  |  |  | 115,617 |  |  |  | 63,540 |  |  |  | 62,527 |
Due after five years |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total marketable securities |  | $ | 424,809 |  |  | $ | 423,079 |  |  | $ | 375,474 |  |  | $ | 371,912 |
Summary of Estimated Fair Value and Gross Unrealized Holding Losses of Marketable Securities in Unrealized Loss Position | The following table summarizes the estimated fair value and gross unrealized holding losses of marketable securities, aggregated by investment instrument and period of time in an unrealized loss position, at September 30, 2023 and December 31, 2022:
|  | In Unrealized Loss Position For Less Than 12 Months |  |  | In Unrealized Loss Position For Greater Than 12 Months |
|  | Fair Value |  |  | Gross Unrealized Losses |  |  | Fair Value |  |  | Gross Unrealized Losses |
September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |
Government notes and bonds |  | $ | 125,253 |  |  | $ | 685 |  |  | $ | 43,661 |  |  | $ | 495 |
Asset-backed securities |  |  | — |  |  |  | — |  |  |  | 309 |  |  |  | 1 |
Certificates of deposit |  |  | 24,269 |  |  |  | 24 |  |  |  | — |  |  |  | — |
Commercial paper |  |  | 95,424 |  |  |  | 47 |  |  |  | — |  |  |  | — |
Corporate bonds |  |  | 47,047 |  |  |  | 224 |  |  |  | 19,482 |  |  |  | 275 |
Total |  | $ | 291,993 |  |  | $ | 980 |  |  | $ | 63,452 |  |  | $ | 771 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |
Government notes and bonds |  | $ | 96,301 |  |  | $ | 1,273 |  |  | $ | 69,159 |  |  | $ | 1,082 |
Asset-backed securities |  |  | 1,555 |  |  |  | 21 |  |  |  | — |  |  |  | — |
Certificates of deposit |  |  | 22,400 |  |  |  | 118 |  |  |  | — |  |  |  | — |
Commercial paper |  |  | 50,550 |  |  |  | 136 |  |  |  | — |  |  |  | — |
Corporate bonds |  |  | 28,975 |  |  |  | 637 |  |  |  | 28,769 |  |  |  | 366 |
Total |  | $ | 199,781 |  |  | $ | 2,185 |  |  | $ | 97,928 |  |  | $ | 1,448 |

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