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v3.26.1

Equity and Debt Securities (Tables) | 6 Months Ended
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Jun. 30, 2026
Investments, Debt and Equity Securities [Abstract] |
Summary of Equity and Debt Securities | The Company’s equity and debt securities consisted of the following:
| June 30, 2026 |
| Amortized Cost Basis |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Aggregate Fair Value |
| (in thousands) |
Equity securities |  |  |  |  |  |  |  |  |  |  |
Long-term |  |  |  |  |  |  |  |  |  |  |
Preferred stock of privately-held companies | $ | 15,001 |  |  | $ | — |  |  | $ | — |  |  | $ | 15,001 |
Total equity securities |  | 15,001 |  |  |  | — |  |  |  | — |  |  |  | 15,001 |
Available-for-sale debt securities |  |  |  |  |  |  |  |  |  |  |
Short-term |  |  |  |  |  |  |  |  |  |  |
U.S. government debt securities |  | 156,278 |  |  |  | 220 |  |  |  | — |  |  |  | 156,498 |
Corporate debt securities |  | 40,855 |  |  |  | 35 |  |  |  | (3 | ) |  |  | 40,887 |
U.S. agency debt securities |  | 32,960 |  |  |  | 11 |  |  |  | (4 | ) |  |  | 32,967 |
Municipal bonds |  | 375 |  |  |  | — |  |  |  | — |  |  |  | 375 |
Money market accounts |  | 5,108 |  |  |  | — |  |  |  | — |  |  |  | 5,108 |
Less: Cash equivalents |  | (5,108 | ) |  |  | — |  |  |  | — |  |  |  | (5,108 | )
Total debt securities due within 1 year |  | 230,468 |  |  |  | 266 |  |  |  | (7 | ) |  |  | 230,727 |
After 1 year through 5 years |  |  |  |  |  |  |  |  |  |  |
U.S. government debt securities |  | 246,904 |  |  |  | 195 |  |  |  | (1,688 | ) |  |  | 245,411 |
U.S. agency debt securities |  | 48,617 |  |  |  | — |  |  |  | (630 | ) |  |  | 47,987 |
Municipal bonds |  | 920 |  |  |  | 1 |  |  |  | (3 | ) |  |  | 918 |
Total debt securities due after 1 year through 5 years |  | 296,441 |  |  |  | 196 |  |  |  | (2,321 | ) |  |  | 294,316 |
Total available-for-sale debt securities |  | 526,909 |  |  |  | 462 |  |  |  | (2,328 | ) |  |  | 525,043 |
Total equity and debt securities | $ | 541,910 |  |  | $ | 462 |  |  | $ | (2,328 | ) |  | $ | 540,044 |
| December 31, 2025 |
| Amortized Cost Basis |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Aggregate Fair Value |
| (in thousands) |
Equity securities |  |  |  |  |  |  |  |  |  |  |
Long-term |  |  |  |  |  |  |  |  |  |  |
Preferred stock of privately-held companies | $ | 15,001 |  |  | $ | — |  |  | $ | — |  |  | $ | 15,001 |
Total equity securities |  | 15,001 |  |  |  | — |  |  |  | — |  |  |  | 15,001 |
Available-for-sale debt securities |  |  |  |  |  |  |  |  |  |  |
Short-term |  |  |  |  |  |  |  |  |  |  |
U.S. government debt securities |  | 159,875 |  |  |  | 748 |  |  |  | (1 | ) |  |  | 160,622 |
U.S. agency debt securities |  | 86,786 |  |  |  | 133 |  |  |  | (1 | ) |  |  | 86,918 |
Corporate debt securities |  | 37,333 |  |  |  | 157 |  |  |  | (16 | ) |  |  | 37,474 |
Yankee debt securities |  | 500 |  |  |  | — |  |  |  | (5 | ) |  |  | 495 |
Municipal bonds |  | 375 |  |  |  | — |  |  |  | — |  |  |  | 375 |
Money market accounts |  | 18,398 |  |  |  | — |  |  |  | — |  |  |  | 18,398 |
Less: Cash equivalents |  | (18,398 | ) |  |  | — |  |  |  | — |  |  |  | (18,398 | )
Total debt securities due within 1 year |  | 284,869 |  |  |  | 1,038 |  |  |  | (23 | ) |  |  | 285,884 |
After 1 year through 5 years |  |  |  |  |  |  |  |  |  |  |
U.S. government debt securities |  | 284,857 |  |  |  | 2,821 |  |  |  | (67 | ) |  |  | 287,611 |
U.S. agency debt securities |  | 70,567 |  |  |  | 123 |  |  |  | (51 | ) |  |  | 70,639 |
Corporate debt securities |  | 9,922 |  |  |  | 85 |  |  |  | — |  |  |  | 10,007 |
Municipal bonds |  | 1,015 |  |  |  | 1 |  |  |  | (4 | ) |  |  | 1,012 |
Total debt securities due after 1 year through 5 years |  | 366,361 |  |  |  | 3,030 |  |  |  | (122 | ) |  |  | 369,269 |
Total available-for-sale debt securities |  | 651,230 |  |  |  | 4,068 |  |  |  | (145 | ) |  |  | 655,153 |
Total equity and debt securities | $ | 666,231 |  |  | $ | 4,068 |  |  | $ | (145 | ) |  | $ | 670,154 |

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