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Marketable Securities (Tables) | 9 Months Ended
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Sep. 30, 2025
Debt Securities, Available-for-Sale [Abstract] |
Schedule of Cash Equivalents and Marketable Securities Classified as Available-For-Sale | Total cash, cash equivalents and marketable securities are summarized as follows:
|  | As of September 30, 2025 |
(In thousands) |  | Fair Value |  |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |
Cash |  | $ | 64,003 |  |  | $ | 64,003 |  |  | $ | — |  |  | $ | — |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  | 9,175 |  |  |  | 9,175 |  |  |  | — |  |  |  | — |
Corporate bonds, commercial paper and notes |  |  | 6,022 |  |  |  | 6,022 |  |  |  | — |  |  |  | — |
Total cash equivalents |  |  | 15,197 |  |  |  | 15,197 |  |  |  | — |  |  |  | — |
Total cash and cash equivalents |  |  | 79,200 |  |  |  | 79,200 |  |  |  | — |  |  |  | — |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
Time deposits |  |  | 15,820 |  |  |  | 15,820 |  |  |  | — |  |  |  | — |
U.S. Government bonds and notes |  |  | 203,729 |  |  |  | 203,611 |  |  |  | 185 |  |  |  | (67 | )
Non-U.S. Government bonds and notes |  |  | 3,968 |  |  |  | 3,963 |  |  |  | 5 |  |  |  | — |
Corporate bonds, commercial paper and notes |  |  | 370,586 |  |  |  | 370,258 |  |  |  | 358 |  |  |  | (30 | )
Total marketable securities |  |  | 594,103 |  |  |  | 593,652 |  |  |  | 548 |  |  |  | (97 | )
Total cash, cash equivalents and marketable securities |  | $ | 673,303 |  |  | $ | 672,852 |  |  | $ | 548 |  |  | $ | (97 | )
|  | As of December 31, 2024 |
(In thousands) |  | Fair Value |  |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |
Cash |  | $ | 87,415 |  |  | $ | 87,415 |  |  | $ | — |  |  | $ | — |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  | 6,025 |  |  |  | 6,025 |  |  |  | — |  |  |  | — |
Corporate bonds, commercial paper and notes |  |  | 6,335 |  |  |  | 6,334 |  |  |  | 1 |  |  |  | — |
Total cash equivalents |  |  | 12,360 |  |  |  | 12,359 |  |  |  | 1 |  |  |  | — |
Total cash and cash equivalents |  |  | 99,775 |  |  |  | 99,774 |  |  |  | 1 |  |  |  | — |
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |
Time deposits |  |  | 12,870 |  |  |  | 12,870 |  |  |  | — |  |  |  | — |
U.S. Government bonds and notes |  |  | 220,056 |  |  |  | 220,034 |  |  |  | 184 |  |  |  | (162 | )
Corporate bonds, commercial paper and notes |  |  | 149,097 |  |  |  | 149,085 |  |  |  | 121 |  |  |  | (109 | )
Total marketable securities |  |  | 382,023 |  |  |  | 381,989 |  |  |  | 305 |  |  |  | (271 | )
Total cash, cash equivalents and marketable securities |  | $ | 481,798 |  |  | $ | 481,763 |  |  | $ | 306 |  |  | $ | (271 | )
Schedule of Available-For-Sale Securities Reported at Fair Value | Available-for-sale securities are reported at fair value on the balance sheets and classified along with cash as follows:
|  | As of |
(In thousands) |  | September 30, 2025 |  |  | December 31, 2024 |
Cash |  | $ | 64,003 |  |  | $ | 87,415 |
Cash equivalents |  |  | 15,197 |  |  |  | 12,360 |
Total cash and cash equivalents |  |  | 79,200 |  |  |  | 99,775 |
Marketable securities |  |  | 594,103 |  |  |  | 382,023 |
Total cash, cash equivalents and marketable securities |  | $ | 673,303 |  |  | $ | 481,798 |
Schedule of Estimated Fair Value and Gross Unrealized Losses of Cash Equivalents and Marketable Securities, Classified by Length of Time in Continuous Unrealized Loss Position | The estimated fair value and gross unrealized losses of cash equivalents and marketable securities classified by the length of time that the securities have been in a continuous unrealized loss position as of September 30, 2025 and December 31, 2024 were as follows:
|  | Fair Value |  |  | Gross Unrealized Losses |
(In thousands) |  | September 30, 2025 |  |  | December 31, 2024 |  |  | September 30, 2025 |  |  | December 31, 2024 |
Less than 12 months |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government bonds and notes |  | $ | 65,396 |  |  | $ | 83,162 |  |  | $ | (64 | ) |  | $ | (162 | )
Corporate bonds, commercial paper and notes |  |  | 74,776 |  |  |  | 48,360 |  |  |  | (26 | ) |  |  | (109 | )
Total cash equivalents and marketable securities in a continuous unrealized loss position for less than 12 months |  |  | 140,172 |  |  |  | 131,522 |  |  |  | (90 | ) |  |  | (271 | )
12 months or greater |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government bonds and notes |  |  | 1,689 |  |  |  | — |  |  |  | (3 | ) |  |  | — |
Corporate bonds, commercial paper and notes |  |  | 1,654 |  |  |  | — |  |  |  | (4 | ) |  |  | — |
Total marketable securities in a continuous unrealized loss position for 12 months or greater |  |  | 3,343 |  |  |  | — |  |  |  | (7 | ) |  |  | — |
Total cash equivalents and marketable securities in a continuous unrealized loss position |  | $ | 143,515 |  |  | $ | 131,522 |  |  | $ | (97 | ) |  | $ | (271 | )
Schedule of Contractual Maturities of Cash Equivalents and Marketable Securities | The contractual maturities of cash equivalents (excluding money market funds which have no maturity) and marketable securities are summarized as follows:
(In thousands) |  | September 30, 2025 |
Due in less than one year |  | $ | 470,313 |
Due from one year through three years |  |  | 129,812 |
Total |  | $ | 600,125 |

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