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Investments (Tables) | 3 Months Ended
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Mar. 31, 2026
Investments, Debt and Equity Securities [Abstract] |
Summary of Investment | Details of our investments are as follows (in thousands):
|  | March 31, 2026 |
|  | Cash and Cash |  |  | Long-Term |
|  | Equivalents |  |  | Investment |
Measured at fair value: |  |  |  |  |  |
Available-for-sale securities: |  |  |  |  |  |
Money market funds |  | $ | 360,758 |  |  | $ | — |
Failed Auction Security |  |  | — |  |  |  | 2,508 |
Total |  |  | 360,758 |  |  |  | 2,508 |
Other measurement basis: |  |  |  |  |  |
Cash on hand |  |  | 43,487 |  |  |  | — |
Total |  | $ | 404,245 |  |  | $ | 2,508 |
|  | December 31, 2025 |
|  | Cash and Cash |  |  | Long-Term |
|  | Equivalents |  |  | Investment |
Measured at fair value: |  |  |  |  |  |
Available-for-sale securities: |  |  |  |  |  |
Money market funds |  | $ | 367,340 |  |  | $ | — |
Failed Auction Security |  |  | — |  |  |  | 2,462 |
Total |  |  | 367,340 |  |  |  | 2,462 |
Other measurement basis: |  |  |  |  |  |
Cash on hand |  |  | 35,465 |  |  |  | — |
Total |  | $ | 402,805 |  |  | $ | 2,462 |
Summary of Available-for-Sale Securities | The following is a summary of the available-for-sale securities (in thousands):
|  |  |  |  | Gross |  |  | Gross |  |  | Estimated |
|  |  |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
March 31, 2026 |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
Failed Auction Security |  | $ | 3,000 |  |  |  | — |  |  |  | 492 |  |  | $ | 2,508 |
|  |  |  |  | Gross |  |  | Gross |  |  | Estimated |
|  |  |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
December 31, 2025 |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
Failed Auction Security |  | $ | 3,000 |  |  |  | — |  |  |  | 538 |  |  | $ | 2,462 |
Cost and Estimated Fair Value of Failed Auction Security by Contractual Maturities | The amortized cost and estimated fair value of the available-for-sale securities on March 31, 2026, by type and contractual maturities, are shown below (in thousands):
|  |  |  |  | Estimated |
|  | Cost |  |  | Fair Value |
Failed Auction Security: |  |  |  |  |  |
Due in sixteen years |  | $ | 3,000 |  |  | $ | 2,508 |

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