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Investments in Affiliates and Other Entities (Tables) | 3 Months Ended
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Mar. 31, 2023
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of Equity Investments | The following table presents Quanta’s equity investments by type (in thousands):
|  | March 31, 2023 |  | December 31, 2022
Equity method investments - integral unconsolidated affiliates |  | $ | 98,762 |  |  | $ | 101,251 |
Equity method investments - non-integral unconsolidated affiliates |  | 29,088 |  |  | 55,833 |
Marketable equity securities |  | — |  |  | — |
Non-marketable equity securities |  | 54,152 |  |  | 54,134 |
Total equity investments |  | $ | 182,002 |  |  | $ | 211,218 |

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- Definition Tabular disclosure of investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -URI https://asc.fasb.org/topic&trid=2197064 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -URI https://asc.fasb.org/topic&trid=75115024 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -URI https://asc.fasb.org/topic&trid=2196965 + Details
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