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Investments in debt and equity securities (Tables) | 3 Months Ended
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Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract] |
Schedule of Investments | The Company’s short-term and long-term debt and equity investments, consisting of debt instruments classified as held-to-maturity and equity investments with readily determinable fair values or redemption values, were as follows:
| March 31, 2023 |  | December 31, 2022
| Debt securities |  | Equity securities |  | Total |  | Debt securities |  | Equity securities |  | Total
Certificates of deposit and other time deposits | $ | 58,341 |  |  | $ | — |  |  | $ | 58,341 |  |  | $ | 82,879 |  |  | $ | — |  |  | $ | 82,879 |
Investments in mutual funds and common stocks | — |  |  | 36,144 |  |  | 36,144 |  |  | — |  |  | 39,143 |  |  | 39,143 |
| $ | 58,341 |  |  | $ | 36,144 |  |  | $ | 94,485 |  |  | $ | 82,879 |  |  | $ | 39,143 |  |  | $ | 122,022 |
Short-term investments | $ | 43,338 |  |  | $ | 6,627 |  |  | $ | 49,965 |  |  | $ | 67,872 |  |  | $ | 9,821 |  |  | $ | 77,693 |
Long-term investments | 15,003 |  |  | 29,517 |  |  | 44,520 |  |  | 15,007 |  |  | 29,322 |  |  | 44,329 |
| $ | 58,341 |  |  | $ | 36,144 |  |  | $ | 94,485 |  |  | $ | 82,879 |  |  | $ | 39,143 |  |  | $ | 122,022 |

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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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