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Cash Equivalents and Marketable Securities - Estimated Fair Value of Cash Equivalents and Marketable Securities and the Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Debt Securities, Available-for-Sale [Line Items] |  |
Cash equivalents, amortized cost | $ 46,800 | $ 87,734
Cash equivalents, gross unrealized gains | 0 | 6
Cash equivalents, gross unrealized losses | 0 | 0
Cash equivalents, estimated fair value | 46,800 | 87,740
Marketable securities, amortized cost | 515,681 | 513,507
Marketable securities, gross unrealized gains | 807 | 651
Marketable securities, gross unrealized losses | (161) | (493)
Marketable securities, estimated fair value | 516,327 | 513,665
Money market funds |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Cash equivalents, amortized cost | 46,800 | 65,902
Cash equivalents, gross unrealized gains | 0 | 0
Cash equivalents, gross unrealized losses | 0 | 0
Cash equivalents, estimated fair value | 46,800 | 65,902
Commercial paper |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Cash equivalents, amortized cost |  | 21,832
Cash equivalents, gross unrealized gains |  | 6
Cash equivalents, gross unrealized losses |  | 0
Cash equivalents, estimated fair value |  | 21,838
Marketable securities, amortized cost | 147,448 | 143,265
Marketable securities, gross unrealized gains | 26 | 104
Marketable securities, gross unrealized losses | (24) | (77)
Marketable securities, estimated fair value | 147,450 | 143,292
Corporate bonds |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Marketable securities, amortized cost | 72,618 | 56,471
Marketable securities, gross unrealized gains | 49 | 25
Marketable securities, gross unrealized losses | (20) | (48)
Marketable securities, estimated fair value | 72,647 | 56,448
U.S. government treasury securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Marketable securities, amortized cost | 222,942 | 227,155
Marketable securities, gross unrealized gains | 638 | 385
Marketable securities, gross unrealized losses | (80) | (296)
Marketable securities, estimated fair value | 223,500 | 227,244
U.S. government agency securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Marketable securities, amortized cost | 72,673 | 86,616
Marketable securities, gross unrealized gains | 94 | 137
Marketable securities, gross unrealized losses | (37) | (72)
Marketable securities, estimated fair value | $ 72,730 | $ 86,681

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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