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Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Debt Securities, Available-for-Sale [Line Items] |  |
Marketable securities held, Amortized Cost | $ 806,220 | $ 568,094
Marketable securities held, Gross Unrealized Gains | 824 | 837
Marketable securities held, Gross Unrealized Losses | (34) | (158)
Marketable securities held, Fair Value | 807,010 | 568,773
Commercial Paper |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, Amortized Cost | 329,074 | 181,095
Available-for-sale, Gross Unrealized Gains | 118 | 210
Available-for-sale, Gross Unrealized Losses | (11) | (9)
Available-for-sale, Fair Value | 329,181 | 181,296
Corporate Notes |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, Amortized Cost | 156,651 | 100,175
Available-for-sale, Gross Unrealized Gains | 126 | 103
Available-for-sale, Gross Unrealized Losses | (13) | (113)
Available-for-sale, Fair Value | 156,764 | 100,165
U.S. Treasury Securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, Amortized Cost | 283,717 | 164,491
Available-for-sale, Gross Unrealized Gains | 569 | 289
Available-for-sale, Gross Unrealized Losses | (8) | (10)
Available-for-sale, Fair Value | 284,278 | 164,770
U.S Government Securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, Amortized Cost | 27,868 | 114,552
Available-for-sale, Gross Unrealized Gains | 11 | 235
Available-for-sale, Gross Unrealized Losses | (2) | (26)
Available-for-sale, Fair Value | 27,877 | 114,761
Corporate Equity Securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Equity securities, Amortized Cost | 8,910 | 7,781
Equity securities, Fair Value | $ 8,910 | $ 7,781

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