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Cash, Cash Equivalents and Marketable Securities - Summary of Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Cash and cash equivalents |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | $ 563,864 | $ 771,743
Fair Value | 563,864 | 771,743
Cash and cash equivalents | Cash |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 530,905 | 733,826
Fair Value | 530,905 | 733,826
Cash and cash equivalents | Money market funds | Level 1 |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 32,959 | 25,444
Fair Value | 32,959 | 25,444
Cash and cash equivalents | US government agency securities | Level 2 |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost |  | 12,473
Fair Value |  | 12,473
Marketable securities |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 219,565 | 62,402
Unrealized Gains | 15 | 45
Unrealized Losses | (110) |
Fair Value | 219,470 | 62,447
Marketable securities | US government securities due within one year | Level 1 |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 150,762 | 37,711
Unrealized Gains | 1 | 34
Unrealized Losses | (99) |
Fair Value | 150,664 | 37,745
Marketable securities | US government agency securities due within one year | Level 2 |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 24,641 | 24,691
Unrealized Gains |  | 11
Unrealized Losses | (7) |
Fair Value | 24,634 | $ 24,702
Marketable securities | US government securities due between one and two years | Level 1 |  |
Cash and Cash Equivalents [Line Items] |  |
Amortized Cost | 44,162 |
Unrealized Gains | 14 |
Unrealized Losses | (4) |
Fair Value | $ 44,172 |

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