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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The Company calculates the effect of the potentially dilutive RSUs and stock options using the treasury stock method.
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands, except per common share data) |  | 2025 |  | 2024 |  | 2025 |  | 2024
Net income (loss) attributable to Tutor Perini Corporation |  | $ | 3,631 |  |  | $ | (100,862) |  |  | $ | 51,603 |  |  | $ | (84,290) |
Weighted-average common shares outstanding, basic |  | 52,743 |  |  | 52,408 |  |  | 52,669 |  |  | 52,276 |
Effect of dilutive RSUs and stock options |  | 921 |  |  | — |  |  | 621 |  |  | — |
Weighted-average common shares outstanding, diluted |  | 53,664 |  |  | 52,408 |  |  | 53,290 |  |  | 52,276 |
Net income (loss) attributable to Tutor Perini Corporation per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.07 |  |  | $ | (1.92) |  |  | $ | 0.98 |  |  | $ | (1.61) |
Diluted |  | $ | 0.07 |  |  | $ | (1.92) |  |  | $ | 0.97 |  |  | $ | (1.61) |
Anti-dilutive securities not included above |  | — |  |  | 1,817 |  |  | 167 |  |  | 1,388 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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