| Investments |
Investments Marketable debt securities held by the Company are classified as available-for-sale pursuant to ASC 320, Investments – Debt and Equity Securities, and carried at fair value in the accompanying condensed consolidated balance sheets on a settlement date basis. The following tables summarize the gross unrealized gains and losses of the Company’s marketable securities:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2026 | | | | | Gross Unrealized | | | | Estimated Fair Value | | (In thousands) | | Amortized Cost | | Gains | | Losses | | Credit Losses | | | Commercial paper | | $ | 5,440 | | | $ | — | | | $ | (3) | | | $ | — | | | $ | 5,437 | | | Corporate notes | | 86,392 | | | 95 | | | (239) | | | — | | | 86,248 | | | | | | | | | | | | | | U.S. government agency bonds | | 9,665 | | | 2 | | | (23) | | | — | | | 9,644 | | | | $ | 101,497 | | | $ | 97 | | | $ | (265) | | | $ | — | | | $ | 101,329 | | | Classified as: | | | | | | | | | | | | Short-term investments | | | | | | | | | | $ | 36,045 | | | Long-term investments | | | | | | | | | | 65,284 | | | | | | | | | | $ | 101,329 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | | | | Gross Unrealized | | | | Estimated Fair Value | | (In thousands) | | Amortized Cost | | Gains | | Losses | | Credit Losses | | | Commercial paper | | $ | 5,117 | | | $ | 1 | | | $ | (1) | | | $ | — | | | $ | 5,117 | | | Corporate notes | | 82,754 | | | 308 | | | (28) | | | — | | | 83,034 | | | | | | | | | | | | | | U.S. government agency bonds | | 10,656 | | | 6 | | | (11) | | | — | | | 10,651 | | | | $ | 98,527 | | | $ | 315 | | | $ | (40) | | | $ | — | | | $ | 98,802 | | | Classified as: | | | | | | | | | | | | Short-term investments | | | | | | | | | | $ | 37,407 | | | Long-term investments | | | | | | | | | | 61,395 | | | | | | | | | | $ | 98,802 | |
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