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v3.25.3

Construction Joint Ventures - Schedule of Unconsolidated Construction Joint Ventures Revenue and Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Guarantor Obligations [Line Items] |  |  |  |
Cost of revenue | $ 1,172,950 | $ 1,072,561 | $ 2,715,513 | $ 2,608,326
Changes to net income (loss) | 109,397 | 83,977 | 161,415 | 93,392
Granite’s interest in net income (loss) |  |  | (5,401) | 651
Collaborative Arrangement |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Revenue | 6,288 | 7,790 | 17,169 | 25,213
Cost of revenue | 5,091 | 9,706 | 12,776 | 27,427
Granite’s interest in gross profit (loss) | 1,197 | (1,916) | 4,393 | (2,214)
Granite’s interest in net income (loss) | 1,587 | (1,403) | 5,401 | (651)
Collaborative Arrangement | Corporate Joint Venture |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Revenue | 17,893 | 15,996 | 21,554 | 46,361
Cost of revenue | 7,754 | 23,462 | 40,574 | 69,559
Changes to net income (loss) | 11,390 | (5,667) | (15,583) | (17,766)
Collaborative Arrangement | Co-venturer | Other Partners Interest in Partnerships |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Revenue | 11,605 | 8,206 | 4,385 | 21,148
Cost of revenue | 2,663 | 13,756 | 27,798 | 42,132
Changes to net income (loss) | $ 9,803 | $ (4,264) | $ (20,984) | $ (17,115)

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