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Investments in Affiliates and Other Entities (Tables) | 3 Months Ended
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Mar. 31, 2024
Investments [Abstract] |
Schedule of Equity Investments | The following table presents Quanta’s equity investments by type (in thousands):
|  | March 31, 2024 |  | December 31, 2023
Equity method investments - integral unconsolidated affiliates |  | $ | 96,948 |  |  | $ | 96,124 |
Equity method investments - non-integral unconsolidated affiliates |  | 9,480 |  |  | 28,105 |
Non-marketable equity securities |  | 53,388 |  |  | 53,868 |
Total equity investments |  | $ | 159,816 |  |  | $ | 178,097 |

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