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v3.25.1

Investments (Tables) | 3 Months Ended
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Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Investments | Investments consist of the following (in thousands):
|  |  |  |  | Gross Unrealized |  |  |  |
|  |  |  |  |  |  |  | Losses |  |  |  |
|  | Amortized |  |  |  |  |  | Less than |  |  | Greater than |  |  | Estimated |
March 31, 2025 |  | Cost |  |  | Gains |  |  | One Year |  |  | One Year |  |  | Fair Value |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agency debt securities |  | $ | 253,700 |  |  | $ | 969 |  |  | $ | (22 | ) |  | $ | (2 | ) |  | $ | 254,645 |
Corporate debt securities |  |  | 228,654 |  |  |  | 934 |  |  |  | (19 | ) |  |  | (3 | ) |  |  | 229,566 |
Total short-term investments |  |  | 482,354 |  |  |  | 1,903 |  |  |  | (41 | ) |  |  | (5 | ) |  |  | 484,211 |
Long-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agency debt securities |  |  | 23,540 |  |  |  | — |  |  |  | — |  |  |  | (59 | ) |  |  | 23,481 |
Corporate debt securities |  |  | 8,620 |  |  |  | — |  |  |  | — |  |  |  | (57 | ) |  |  | 8,563 |
|  |  | 32,160 |  |  |  | — |  |  |  | — |  |  |  | (116 | ) |  |  | 32,044 |
Held-to-maturity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  |  | 145 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 145 |
Total long-term investments |  |  | 32,305 |  |  |  | — |  |  |  | — |  |  |  | (116 | ) |  |  | 32,189 |
Total investments |  | $ | 514,659 |  |  | $ | 1,903 |  |  | $ | (41 | ) |  | $ | (121 | ) |  | $ | 516,400 |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agency debt securities |  | $ | 266,506 |  |  | $ | 763 |  |  | $ | (58 | ) |  | $ | (6 | ) |  | $ | 267,205 |
Corporate debt securities |  |  | 192,617 |  |  |  | 762 |  |  |  | (58 | ) |  |  | (4 | ) |  |  | 193,317 |
Total short-term investments |  |  | 459,123 |  |  |  | 1,525 |  |  |  | (116 | ) |  |  | (10 | ) |  |  | 460,522 |
Long-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agency debt securities |  |  | 48,856 |  |  |  | — |  |  |  | — |  |  |  | (179 | ) |  |  | 48,677 |
Corporate debt securities |  |  | 24,484 |  |  |  | — |  |  |  | — |  |  |  | (158 | ) |  |  | 24,326 |
|  |  | 73,340 |  |  |  | — |  |  |  | — |  |  |  | (337 | ) |  |  | 73,003 |
Held-to-maturity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  |  | 145 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 145 |
Total long-term investments |  |  | 73,485 |  |  |  | — |  |  |  | — |  |  |  | (337 | ) |  |  | 73,148 |
Total investments |  | $ | 532,608 |  |  | $ | 1,525 |  |  | $ | (116 | ) |  | $ | (347 | ) |  | $ | 533,670 |
Schedule of Proceeds from Sales and Maturities of Marketable Securities Plus Resulting Realized Gains and Losses | Realized gains and losses on the sales and maturities of investments, which were identified using the specific identification method, were as follows:
|  | Three Months Ended March 31, |
(In thousands) |  | 2025 |  |  | 2024 |
Proceeds from the sales and maturities of investments |  | $ | 113,487 |  |  | $ | 82,488 |
Realized gains |  | $ | 1 |  |  | $ | — |
Realized losses |  | $ | — |  |  | $ | — |
Schedule of Contractual Maturities of Available-for-Sale and Held-to-Maturity Securities | The Company’s available-for-sale and held-to-maturity securities at March 31, 2025 had contractual maturities in the following periods:
|  | Available-for-sale |  |  | Held-to-maturity |
|  | Amortized |  |  | Estimated |  |  | Amortized |  |  | Estimated |
(In thousands) |  | Cost |  |  | Fair Value |  |  | Cost |  |  | Fair Value |
Within 1 year |  | $ | 278,722 |  |  | $ | 279,375 |  |  | $ | 145 |  |  | $ | 145 |
After 1 year through 5 years |  |  | 235,792 |  |  |  | 236,880 |  |  |  | — |  |  |  | — |
Total |  | $ | 514,514 |  |  | $ | 516,255 |  |  | $ | 145 |  |  | $ | 145 |

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