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Construction Joint Ventures - Schedule of Unconsolidated Construction Joint Ventures Revenue and Costs (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Guarantor Obligations [Line Items] |  |
Cost of revenue | $ 617,990 | $ 527,709
Changes to net income (loss) | (29,442) | (25,772)
Granite’s interest in net income (loss) | (2,290) | (911)
Collaborative Arrangement |  |
Guarantor Obligations [Line Items] |  |
Revenue | 10,230 | 14,845
Cost of revenue | 8,481 | 13,967
Granite’s interest in gross profit | 1,749 | 878
Granite’s interest in net income (loss) | 2,290 | 911
Collaborative Arrangement | Corporate Joint Venture |  |
Guarantor Obligations [Line Items] |  |
Revenue | 8,717 | 38,174
Cost of revenue | 18,751 | 44,371
Changes to net income (loss) | (8,149) | (5,654)
Collaborative Arrangement | Co-venturer | Other Partners Interest in Partnerships |  |
Guarantor Obligations [Line Items] |  |
Revenue | (1,513) | 23,329
Cost of revenue | 10,270 | 30,404
Changes to net income (loss) | $ (10,439) | $ (6,565)

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