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Employee Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2025
Postemployment Benefits [Abstract] |
Schedule of Changes in Fair Market Value of COLI Assets and Deferred Compensation Liabilities | Changes in the fair market value of Quanta’s COLI assets and deferred compensation liabilities largely offset and are recorded in the accompanying statements of operations as follows (in thousands):
|  |  | Three Months Ended |  | Nine Months Ended
|  |  | September 30, |  | September 30,
Classification | Change in fair market value of |  | 2025 |  | 2024 |  | 2025 |  | 2024
Loss included in Selling, general and administrative expenses | Deferred compensation liabilities |  | $ | (6,899) |  |  | $ | (5,539) |  |  | $ | (14,266) |  |  | $ | (14,087) |
Other income, net | COLI assets |  | $ | 5,707 |  |  | $ | 5,175 |  |  | $ | 12,133 |  |  | $ | 13,026 |

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