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Investments in debt and equity securities (Tables) | 9 Months Ended
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Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract] |
Schedule of Investments | The Company’s short-term and long-term investments, consisting of debt instruments classified as held-to-maturity and equity investments with readily determinable fair values or redemption values, were as follows:
| September 30, 2024 |  | December 31, 2023
| Debt securities |  | Equity securities |  | Total |  | Debt securities |  | Equity securities |  | Total
Certificates of deposit and other time deposits | $ | 15,296 |  |  | $ | — |  |  | $ | 15,296 |  |  | $ | 22,109 |  |  | $ | — |  |  | $ | 22,109 |
Investments in mutual funds and common stocks | — |  |  | 39,544 |  |  | 39,544 |  |  | — |  |  | 37,391 |  |  | 37,391 |
| $ | 15,296 |  |  | $ | 39,544 |  |  | $ | 54,840 |  |  | $ | 22,109 |  |  | $ | 37,391 |  |  | $ | 59,500 |
Short-term investments | $ | 15,296 |  |  | $ | 5,700 |  |  | $ | 20,996 |  |  | $ | 7,110 |  |  | $ | 4,500 |  |  | $ | 11,610 |
Long-term investments | — |  |  | 33,844 |  |  | 33,844 |  |  | 14,999 |  |  | 32,891 |  |  | 47,890 |
| $ | 15,296 |  |  | $ | 39,544 |  |  | $ | 54,840 |  |  | $ | 22,109 |  |  | $ | 37,391 |  |  | $ | 59,500 |

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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