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Investments in Affiliates and Other Entities (Tables) | 3 Months Ended
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Mar. 31, 2025
Investments [Abstract] |
Schedule of Equity Investments | The following table presents Quanta’s equity investments by type (in thousands):
|  | March 31, 2025 |  | December 31, 2024
Equity method investments - integral unconsolidated affiliates |  | $ | 102,991 |  |  | $ | 101,460 |
Equity method investments - non-integral unconsolidated affiliates |  | 78,101 |  |  | 77,617 |
Non-marketable equity securities |  | 66,122 |  |  | 62,539 |
Total equity investments |  | $ | 247,214 |  |  | $ | 241,616 |

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