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Financial Instruments - Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Cash, cash equivalents and marketable securities | $ 981,569 | $ 1,045,191
Gross Unrealized Gains |  |
Cash, cash equivalents and marketable securities | 7 | 2
Gross Unrealized Losses |  |
Cash, cash equivalents and marketable securities | (812) | (3,631)
Fair Value |  |
Cash and cash equivalents | 937,438 | 942,050
Marketable securities, fair value | 43,326 | 99,512
Cash, cash equivalents and marketable securities | 980,764 | 1,041,562
Cash |  |
Amortized Cost |  |
Cash and cash equivalents | 887,682 | 712,921
Fair Value |  |
Cash and cash equivalents | 887,682 | 712,921
Cash and cash equivalents |  |
Fair Value |  |
Cash, cash equivalents and marketable securities | 937,438 | 942,050
Cash and cash equivalents | Cash |  |
Fair Value |  |
Cash and cash equivalents | 887,682 | 712,921
Marketable securities, short-term |  |
Fair Value |  |
Cash, cash equivalents and marketable securities | 35,304 | 57,534
Marketable securities, long-term |  |
Fair Value |  |
Cash, cash equivalents and marketable securities | 8,022 | 41,978
Money market funds |  |
Amortized Cost |  |
Cash and cash equivalents | 49,756 | 229,129
Gross Unrealized Losses |  |
Cash and cash equivalents |  | 0
Fair Value |  |
Cash and cash equivalents | 49,756 | 229,129
Money market funds | Cash and cash equivalents |  |
Fair Value |  |
Cash and cash equivalents | 49,756 | 229,129
Corporate bonds |  |
Amortized Cost |  |
Marketable securities, amortized cost | 31,943 | 69,390
Gross Unrealized Gains |  |
Marketable securities | 5 | 0
Gross Unrealized Losses |  |
Marketable securities | (676) | (2,915)
Fair Value |  |
Marketable securities, fair value | 31,272 | 66,475
Corporate bonds | Marketable securities, short-term |  |
Fair Value |  |
Marketable securities, fair value | 28,704 | 36,510
Corporate bonds | Marketable securities, long-term |  |
Fair Value |  |
Marketable securities, fair value | 2,568 | 29,965
U.S. government treasury bonds |  |
Amortized Cost |  |
Marketable securities, amortized cost | 4,855 | 20,559
Gross Unrealized Gains |  |
Marketable securities | 0 | 0
Gross Unrealized Losses |  |
Marketable securities | (99) | (549)
Fair Value |  |
Marketable securities, fair value | 4,756 | 20,010
U.S. government treasury bonds | Marketable securities, short-term |  |
Fair Value |  |
Marketable securities, fair value |  | 15,404
U.S. government treasury bonds | Marketable securities, long-term |  |
Fair Value |  |
Marketable securities, fair value | 4,756 | 4,606
Asset-backed securities |  |
Amortized Cost |  |
Marketable securities, amortized cost | 1,416 | 4,514
Gross Unrealized Gains |  |
Marketable securities | 2 | 1
Gross Unrealized Losses |  |
Marketable securities | (1) | (37)
Fair Value |  |
Marketable securities, fair value | 1,417 | 4,478
Asset-backed securities | Marketable securities, short-term |  |
Fair Value |  |
Marketable securities, fair value | 719 | 2,909
Asset-backed securities | Marketable securities, long-term |  |
Fair Value |  |
Marketable securities, fair value | 698 | 1,569
Municipal bonds |  |
Amortized Cost |  |
Marketable securities, amortized cost | 702 | 3,447
Gross Unrealized Gains |  |
Marketable securities | 0 | 0
Gross Unrealized Losses |  |
Marketable securities | (2) | (61)
Fair Value |  |
Marketable securities, fair value | 700 | 3,386
Municipal bonds | Marketable securities, short-term |  |
Fair Value |  |
Marketable securities, fair value | 700 | 2,711
Municipal bonds | Marketable securities, long-term |  |
Fair Value |  |
Marketable securities, fair value |  | 675
U.S. government agency bonds |  |
Amortized Cost |  |
Marketable securities, amortized cost | 5,215 | 5,231
Gross Unrealized Gains |  |
Marketable securities | 0 | 1
Gross Unrealized Losses |  |
Marketable securities | (34) | (69)
Fair Value |  |
Marketable securities, fair value | 5,181 | 5,163
U.S. government agency bonds | Marketable securities, short-term |  |
Fair Value |  |
Marketable securities, fair value | $ 5,181 |
U.S. government agency bonds | Marketable securities, long-term |  |
Fair Value |  |
Marketable securities, fair value |  | $ 5,163

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