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Construction Joint Ventures - Schedule of Unconsolidated Construction Joint Ventures Revenue and Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Guarantor Obligations [Line Items] |  |  |  |
Cost of revenue | $ 917,775 | $ 795,466 | $ 1,535,765 | $ 1,323,175
Changes to net income (loss) | 38,857 | (23,846) | 9,415 | (49,618)
Granite’s interest in net income (loss) |  |  | (752) | 4,005
Collaborative Arrangement |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Revenue | 7,193 | 9,520 | 17,423 | 24,365
Cost of revenue | 9,240 | 14,652 | 17,721 | 28,619
Granite’s interest in gross loss | (2,047) | (5,132) | (298) | (4,254)
Granite’s interest in net income (loss) | (1,538) | (4,916) | 752 | (4,005)
Collaborative Arrangement | Corporate Joint Venture |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Revenue | 21,648 | 25,211 | 30,365 | 63,385
Cost of revenue | 27,346 | 40,564 | 46,097 | 84,935
Changes to net income (loss) | (3,950) | (14,574) | (12,099) | (20,228)
Collaborative Arrangement | Co-venturer | Other Partners Interest in Partnerships |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |
Revenue | 14,455 | 15,691 | 12,942 | 39,020
Cost of revenue | 18,106 | 25,912 | 28,376 | 56,316
Changes to net income (loss) | $ (2,412) | $ (9,658) | $ (12,851) | $ (16,223)

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